mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-25 16:24:46 +00:00
Remove common::Block.
This commit is contained in:
parent
3dbd141b8c
commit
8f3d824cc7
@ -575,8 +575,8 @@ pub fn with_cond<'blk, 'tcx, F>(
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}
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let fcx = bcx.fcx();
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let next_cx = fcx.new_block("next").build();
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let cond_cx = fcx.new_block("cond").build();
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let next_cx = fcx.build_new_block("next");
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let cond_cx = fcx.build_new_block("cond");
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bcx.cond_br(val, cond_cx.llbb(), next_cx.llbb());
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let after_cx = f(cond_cx);
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after_cx.br(next_cx.llbb());
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@ -619,17 +619,6 @@ impl Lifetime {
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}
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}
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// Generates code for resumption of unwind at the end of a landing pad.
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pub fn trans_unwind_resume(bcx: &BlockAndBuilder, lpval: ValueRef) {
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if !bcx.sess().target.target.options.custom_unwind_resume {
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bcx.resume(lpval);
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} else {
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let exc_ptr = bcx.extract_value(lpval, 0);
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bcx.call(bcx.fcx().eh_unwind_resume().reify(bcx.ccx()), &[exc_ptr],
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bcx.lpad().and_then(|b| b.bundle()));
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}
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}
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pub fn call_memcpy<'bcx, 'tcx>(b: &Builder<'bcx, 'tcx>,
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dst: ValueRef,
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src: ValueRef,
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@ -727,8 +716,8 @@ impl<'blk, 'tcx> FunctionContext<'blk, 'tcx> {
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pub fn new(ccx: &'blk CrateContext<'blk, 'tcx>,
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llfndecl: ValueRef,
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fn_ty: FnType,
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definition: Option<(Instance<'tcx>, &ty::FnSig<'tcx>, Abi)>,
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block_arena: &'blk TypedArena<common::BlockS<'blk, 'tcx>>)
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definition: Option<(Instance<'tcx>, &ty::FnSig<'tcx>, Abi)>)
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//block_arena: &'blk TypedArena<common::BlockS<'blk, 'tcx>>)
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-> FunctionContext<'blk, 'tcx> {
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let (param_substs, def_id) = match definition {
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Some((instance, ..)) => {
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@ -772,7 +761,7 @@ impl<'blk, 'tcx> FunctionContext<'blk, 'tcx> {
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fn_ty: fn_ty,
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param_substs: param_substs,
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span: None,
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block_arena: block_arena,
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//block_arena: block_arena,
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lpad_arena: TypedArena::new(),
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ccx: ccx,
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debug_context: debug_context,
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@ -783,7 +772,7 @@ impl<'blk, 'tcx> FunctionContext<'blk, 'tcx> {
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/// Performs setup on a newly created function, creating the entry
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/// scope block and allocating space for the return pointer.
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pub fn init(&'blk self, skip_retptr: bool) -> BlockAndBuilder<'blk, 'tcx> {
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let entry_bcx = self.new_block("entry-block").build();
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let entry_bcx = self.build_new_block("entry-block");
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// Use a dummy instruction as the insertion point for all allocas.
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// This is later removed in FunctionContext::cleanup.
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@ -924,13 +913,7 @@ pub fn trans_instance<'a, 'tcx>(ccx: &CrateContext<'a, 'tcx>, instance: Instance
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let fn_ty = FnType::new(ccx, abi, &sig, &[]);
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let (arena, fcx): (TypedArena<_>, FunctionContext);
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arena = TypedArena::new();
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fcx = FunctionContext::new(ccx,
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lldecl,
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fn_ty,
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Some((instance, &sig, abi)),
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&arena);
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let fcx = FunctionContext::new(ccx, lldecl, fn_ty, Some((instance, &sig, abi)));
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if fcx.mir.is_none() {
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bug!("attempted translation of `{}` w/o MIR", instance);
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@ -953,9 +936,7 @@ pub fn trans_ctor_shim<'a, 'tcx>(ccx: &CrateContext<'a, 'tcx>,
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let sig = ccx.tcx().erase_late_bound_regions_and_normalize(&ctor_ty.fn_sig());
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let fn_ty = FnType::new(ccx, Abi::Rust, &sig, &[]);
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let (arena, fcx): (TypedArena<_>, FunctionContext);
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arena = TypedArena::new();
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fcx = FunctionContext::new(ccx, llfndecl, fn_ty, None, &arena);
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let fcx = FunctionContext::new(ccx, llfndecl, fn_ty, None);
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let bcx = fcx.init(false);
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if !fcx.fn_ty.ret.is_ignore() {
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@ -16,7 +16,6 @@
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pub use self::CalleeData::*;
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use arena::TypedArena;
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use llvm::{self, ValueRef, get_params};
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use rustc::hir::def_id::DefId;
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use rustc::ty::subst::Substs;
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@ -26,7 +25,7 @@ use attributes;
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use base;
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use base::*;
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use common::{
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self, Block, BlockAndBuilder, CrateContext, FunctionContext, SharedCrateContext
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self, BlockAndBuilder, CrateContext, FunctionContext, SharedCrateContext
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};
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use consts;
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use declare;
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@ -71,25 +70,8 @@ impl<'tcx> Callee<'tcx> {
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}
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}
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/// Trait or impl method call.
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pub fn method_call<'blk>(bcx: Block<'blk, 'tcx>,
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method_call: ty::MethodCall)
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-> Callee<'tcx> {
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let method = bcx.tcx().tables().method_map[&method_call];
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Callee::method(bcx, method)
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}
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/// Trait or impl method.
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pub fn method<'blk>(bcx: Block<'blk, 'tcx>,
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method: ty::MethodCallee<'tcx>) -> Callee<'tcx> {
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let substs = bcx.fcx.monomorphize(&method.substs);
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Callee::def(bcx.ccx(), method.def_id, substs)
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}
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/// Function or method definition.
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pub fn def<'a>(ccx: &CrateContext<'a, 'tcx>,
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def_id: DefId,
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substs: &'tcx Substs<'tcx>)
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pub fn def<'a>(ccx: &CrateContext<'a, 'tcx>, def_id: DefId, substs: &'tcx Substs<'tcx>)
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-> Callee<'tcx> {
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let tcx = ccx.tcx();
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@ -367,9 +349,7 @@ fn trans_fn_once_adapter_shim<'a, 'tcx>(
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let lloncefn = declare::define_internal_fn(ccx, &function_name, llonce_fn_ty);
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attributes::set_frame_pointer_elimination(ccx, lloncefn);
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let (block_arena, fcx): (TypedArena<_>, FunctionContext);
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block_arena = TypedArena::new();
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fcx = FunctionContext::new(ccx, lloncefn, fn_ty, None, &block_arena);
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let fcx = FunctionContext::new(ccx, lloncefn, fn_ty, None);
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let bcx = fcx.init(false);
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// the first argument (`self`) will be the (by value) closure env.
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@ -518,9 +498,7 @@ fn trans_fn_pointer_shim<'a, 'tcx>(
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let llfn = declare::define_internal_fn(ccx, &function_name, tuple_fn_ty);
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attributes::set_frame_pointer_elimination(ccx, llfn);
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//
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let (block_arena, fcx): (TypedArena<_>, FunctionContext);
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block_arena = TypedArena::new();
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fcx = FunctionContext::new(ccx, llfn, fn_ty, None, &block_arena);
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let fcx = FunctionContext::new(ccx, llfn, fn_ty, None);
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let bcx = fcx.init(false);
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let llargs = get_params(fcx.llfn);
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@ -723,17 +701,11 @@ fn trans_call_inner<'a, 'blk, 'tcx>(bcx: BlockAndBuilder<'blk, 'tcx>,
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for &llarg in &llargs {
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debug!("arg: {:?}", Value(llarg));
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}
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let normal_bcx = bcx.fcx().new_block("normal-return");
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let normal_bcx = bcx.fcx().build_new_block("normal-return");
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let landing_pad = bcx.fcx().get_landing_pad();
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let llresult = bcx.invoke(
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llfn,
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&llargs[..],
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normal_bcx.llbb,
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landing_pad,
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lpad,
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);
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(llresult, normal_bcx.build())
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let llresult = bcx.invoke(llfn, &llargs[..], normal_bcx.llbb(), landing_pad, lpad);
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(llresult, normal_bcx)
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} else {
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debug!("calling {:?} at {:?}", Value(llfn), bcx.llbb());
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for &llarg in &llargs {
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@ -416,14 +416,22 @@ impl<'blk, 'tcx> FunctionContext<'blk, 'tcx> {
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UnwindExit(val) => {
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// Generate a block that will resume unwinding to the
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// calling function
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let bcx = self.new_block("resume").build();
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let bcx = self.build_new_block("resume");
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match val {
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UnwindKind::LandingPad => {
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let addr = self.landingpad_alloca.get()
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.unwrap();
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let lp = bcx.load(addr);
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Lifetime::End.call(&bcx, addr);
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base::trans_unwind_resume(&bcx, lp);
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if !bcx.sess().target.target.options.custom_unwind_resume {
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bcx.resume(lp);
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} else {
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let exc_ptr = bcx.extract_value(lp, 0);
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bcx.call(
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bcx.fcx().eh_unwind_resume().reify(bcx.ccx()),
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&[exc_ptr],
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bcx.lpad().and_then(|b| b.bundle()));
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}
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}
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UnwindKind::CleanupPad(_) => {
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let pad = bcx.cleanup_pad(None, &[]);
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@ -481,7 +489,7 @@ impl<'blk, 'tcx> FunctionContext<'blk, 'tcx> {
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let name = scope.block_name("clean");
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debug!("generating cleanups for {}", name);
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let bcx_in = self.new_block(&name[..]).build();
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let bcx_in = self.build_new_block(&name[..]);
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let exit_label = label.start(&bcx_in);
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let next_llbb = bcx_in.llbb();
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let mut bcx_out = bcx_in;
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@ -525,7 +533,7 @@ impl<'blk, 'tcx> FunctionContext<'blk, 'tcx> {
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Some(llbb) => return llbb,
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None => {
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let name = last_scope.block_name("unwind");
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pad_bcx = self.new_block(&name[..]).build();
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pad_bcx = self.build_new_block(&name[..]);
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last_scope.cached_landing_pad = Some(pad_bcx.llbb());
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}
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}
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@ -682,16 +690,17 @@ pub struct DropValue<'tcx> {
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impl<'tcx> DropValue<'tcx> {
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fn trans<'blk>(&self, bcx: BlockAndBuilder<'blk, 'tcx>) -> BlockAndBuilder<'blk, 'tcx> {
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let skip_dtor = self.skip_dtor;
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let _icx = if skip_dtor {
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base::push_ctxt("<DropValue as Cleanup>::trans skip_dtor=true")
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} else {
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base::push_ctxt("<DropValue as Cleanup>::trans skip_dtor=false")
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};
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if self.is_immediate {
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glue::drop_ty_immediate(bcx, self.val, self.ty, self.skip_dtor)
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let vp = base::alloc_ty(&bcx, self.ty, "");
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Lifetime::Start.call(&bcx, vp);
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base::store_ty(&bcx, self.val, vp, self.ty);
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let lpad = bcx.lpad();
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let bcx = glue::call_drop_glue(bcx, vp, self.ty, self.skip_dtor, lpad);
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Lifetime::End.call(&bcx, vp);
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bcx
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} else {
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glue::drop_ty_core(bcx, self.val, self.ty, self.skip_dtor)
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let lpad = bcx.lpad();
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glue::call_drop_glue(bcx, self.val, self.ty, self.skip_dtor, lpad)
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}
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}
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}
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@ -305,7 +305,7 @@ pub struct FunctionContext<'a, 'tcx: 'a> {
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pub span: Option<Span>,
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// The arena that blocks are allocated from.
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pub block_arena: &'a TypedArena<BlockS<'a, 'tcx>>,
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//pub block_arena: &'a TypedArena<BlockS<'a, 'tcx>>,
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// The arena that landing pads are allocated from.
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pub lpad_arena: TypedArena<LandingPad>,
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@ -333,18 +333,21 @@ impl<'a, 'tcx> FunctionContext<'a, 'tcx> {
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}
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}
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pub fn new_block(&'a self,
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name: &str)
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-> Block<'a, 'tcx> {
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pub fn new_block(&'a self, name: &str) -> BasicBlockRef {
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unsafe {
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let name = CString::new(name).unwrap();
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let llbb = llvm::LLVMAppendBasicBlockInContext(self.ccx.llcx(),
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self.llfn,
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name.as_ptr());
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BlockS::new(llbb, self)
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llvm::LLVMAppendBasicBlockInContext(
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self.ccx.llcx(),
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self.llfn,
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name.as_ptr()
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)
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}
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}
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pub fn build_new_block(&'a self, name: &str) -> BlockAndBuilder<'a, 'tcx> {
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BlockAndBuilder::new(self.new_block(name), self)
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}
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pub fn monomorphize<T>(&self, value: &T) -> T
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where T: TransNormalize<'tcx>
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{
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@ -441,94 +444,6 @@ impl<'a, 'tcx> FunctionContext<'a, 'tcx> {
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}
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}
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// Basic block context. We create a block context for each basic block
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// (single-entry, single-exit sequence of instructions) we generate from Rust
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// code. Each basic block we generate is attached to a function, typically
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// with many basic blocks per function. All the basic blocks attached to a
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// function are organized as a directed graph.
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#[must_use]
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pub struct BlockS<'blk, 'tcx: 'blk> {
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// The BasicBlockRef returned from a call to
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// llvm::LLVMAppendBasicBlock(llfn, name), which adds a basic
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// block to the function pointed to by llfn. We insert
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// instructions into that block by way of this block context.
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// The block pointing to this one in the function's digraph.
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pub llbb: BasicBlockRef,
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// If this block part of a landing pad, then this is `Some` indicating what
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// kind of landing pad its in, otherwise this is none.
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pub lpad: Cell<Option<&'blk LandingPad>>,
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// The function context for the function to which this block is
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// attached.
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pub fcx: &'blk FunctionContext<'blk, 'tcx>,
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}
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pub type Block<'blk, 'tcx> = &'blk BlockS<'blk, 'tcx>;
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impl<'blk, 'tcx> BlockS<'blk, 'tcx> {
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pub fn new(llbb: BasicBlockRef,
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fcx: &'blk FunctionContext<'blk, 'tcx>)
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-> Block<'blk, 'tcx> {
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fcx.block_arena.alloc(BlockS {
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llbb: llbb,
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lpad: Cell::new(None),
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fcx: fcx
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})
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}
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pub fn ccx(&self) -> &'blk CrateContext<'blk, 'tcx> {
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self.fcx.ccx
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}
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pub fn fcx(&self) -> &'blk FunctionContext<'blk, 'tcx> {
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self.fcx
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}
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pub fn tcx(&self) -> TyCtxt<'blk, 'tcx, 'tcx> {
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self.fcx.ccx.tcx()
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}
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pub fn sess(&self) -> &'blk Session { self.fcx.ccx.sess() }
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pub fn lpad(&self) -> Option<&'blk LandingPad> {
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self.lpad.get()
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}
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pub fn set_lpad_ref(&self, lpad: Option<&'blk LandingPad>) {
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// FIXME: use an IVar?
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self.lpad.set(lpad);
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}
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pub fn set_lpad(&self, lpad: Option<LandingPad>) {
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self.set_lpad_ref(lpad.map(|p| &*self.fcx().lpad_arena.alloc(p)))
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}
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pub fn mir(&self) -> Ref<'tcx, Mir<'tcx>> {
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self.fcx.mir()
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}
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pub fn name(&self, name: ast::Name) -> String {
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name.to_string()
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}
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pub fn node_id_to_string(&self, id: ast::NodeId) -> String {
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self.tcx().map.node_to_string(id).to_string()
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}
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pub fn to_str(&self) -> String {
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format!("[block {:p}]", self)
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}
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pub fn monomorphize<T>(&self, value: &T) -> T
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where T: TransNormalize<'tcx>
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{
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monomorphize::apply_param_substs(self.fcx.ccx.shared(),
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self.fcx.param_substs,
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value)
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}
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pub fn build(&'blk self) -> BlockAndBuilder<'blk, 'tcx> {
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BlockAndBuilder::new(self, OwnedBuilder::new_with_ccx(self.ccx()))
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}
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}
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pub struct OwnedBuilder<'blk, 'tcx: 'blk> {
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builder: Builder<'blk, 'tcx>
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@ -559,77 +474,78 @@ impl<'blk, 'tcx> Drop for OwnedBuilder<'blk, 'tcx> {
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#[must_use]
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pub struct BlockAndBuilder<'blk, 'tcx: 'blk> {
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bcx: Block<'blk, 'tcx>,
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// The BasicBlockRef returned from a call to
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// llvm::LLVMAppendBasicBlock(llfn, name), which adds a basic
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// block to the function pointed to by llfn. We insert
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// instructions into that block by way of this block context.
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// The block pointing to this one in the function's digraph.
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llbb: BasicBlockRef,
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// If this block part of a landing pad, then this is `Some` indicating what
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// kind of landing pad its in, otherwise this is none.
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lpad: Cell<Option<&'blk LandingPad>>,
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// The function context for the function to which this block is
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// attached.
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fcx: &'blk FunctionContext<'blk, 'tcx>,
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owned_builder: OwnedBuilder<'blk, 'tcx>,
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}
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|
||||
impl<'blk, 'tcx> BlockAndBuilder<'blk, 'tcx> {
|
||||
pub fn new(bcx: Block<'blk, 'tcx>, owned_builder: OwnedBuilder<'blk, 'tcx>) -> Self {
|
||||
pub fn new(llbb: BasicBlockRef, fcx: &'blk FunctionContext<'blk, 'tcx>) -> Self {
|
||||
let owned_builder = OwnedBuilder::new_with_ccx(fcx.ccx);
|
||||
// Set the builder's position to this block's end.
|
||||
owned_builder.builder.position_at_end(bcx.llbb);
|
||||
owned_builder.builder.position_at_end(llbb);
|
||||
BlockAndBuilder {
|
||||
bcx: bcx,
|
||||
llbb: llbb,
|
||||
lpad: Cell::new(None),
|
||||
fcx: fcx,
|
||||
owned_builder: owned_builder,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn with_block<F, R>(&self, f: F) -> R
|
||||
where F: FnOnce(Block<'blk, 'tcx>) -> R
|
||||
{
|
||||
let result = f(self.bcx);
|
||||
self.position_at_end(self.bcx.llbb);
|
||||
result
|
||||
}
|
||||
|
||||
pub fn at_start<F, R>(&self, f: F) -> R
|
||||
where F: FnOnce(&BlockAndBuilder<'blk, 'tcx>) -> R
|
||||
{
|
||||
self.position_at_start(self.bcx.llbb);
|
||||
self.position_at_start(self.llbb);
|
||||
let r = f(self);
|
||||
self.position_at_end(self.bcx.llbb);
|
||||
self.position_at_end(self.llbb);
|
||||
r
|
||||
}
|
||||
|
||||
// Methods delegated to bcx
|
||||
|
||||
pub fn ccx(&self) -> &'blk CrateContext<'blk, 'tcx> {
|
||||
self.bcx.ccx()
|
||||
self.fcx.ccx
|
||||
}
|
||||
pub fn fcx(&self) -> &'blk FunctionContext<'blk, 'tcx> {
|
||||
self.bcx.fcx()
|
||||
self.fcx
|
||||
}
|
||||
pub fn tcx(&self) -> TyCtxt<'blk, 'tcx, 'tcx> {
|
||||
self.bcx.tcx()
|
||||
self.fcx.ccx.tcx()
|
||||
}
|
||||
pub fn sess(&self) -> &'blk Session {
|
||||
self.bcx.sess()
|
||||
self.fcx.ccx.sess()
|
||||
}
|
||||
|
||||
pub fn llbb(&self) -> BasicBlockRef {
|
||||
self.bcx.llbb
|
||||
self.llbb
|
||||
}
|
||||
|
||||
pub fn mir(&self) -> Ref<'tcx, Mir<'tcx>> {
|
||||
self.bcx.mir()
|
||||
}
|
||||
|
||||
pub fn monomorphize<T>(&self, value: &T) -> T
|
||||
where T: TransNormalize<'tcx>
|
||||
{
|
||||
self.bcx.monomorphize(value)
|
||||
self.fcx.mir()
|
||||
}
|
||||
|
||||
pub fn set_lpad(&self, lpad: Option<LandingPad>) {
|
||||
self.bcx.set_lpad(lpad)
|
||||
self.set_lpad_ref(lpad.map(|p| &*self.fcx().lpad_arena.alloc(p)))
|
||||
}
|
||||
|
||||
pub fn set_lpad_ref(&self, lpad: Option<&'blk LandingPad>) {
|
||||
// FIXME: use an IVar?
|
||||
self.bcx.set_lpad_ref(lpad);
|
||||
self.lpad.set(lpad);
|
||||
}
|
||||
|
||||
pub fn lpad(&self) -> Option<&'blk LandingPad> {
|
||||
self.bcx.lpad()
|
||||
self.lpad.get()
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -33,7 +33,6 @@ use type_::Type;
|
||||
use value::Value;
|
||||
use Disr;
|
||||
|
||||
use arena::TypedArena;
|
||||
use syntax_pos::DUMMY_SP;
|
||||
|
||||
pub fn trans_exchange_free_dyn<'blk, 'tcx>(bcx: BlockAndBuilder<'blk, 'tcx>,
|
||||
@ -121,19 +120,23 @@ pub fn get_drop_glue_type<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn drop_ty<'blk, 'tcx>(bcx: BlockAndBuilder<'blk, 'tcx>,
|
||||
v: ValueRef,
|
||||
t: Ty<'tcx>) -> BlockAndBuilder<'blk, 'tcx> {
|
||||
drop_ty_core(bcx, v, t, false)
|
||||
fn drop_ty<'blk, 'tcx>(
|
||||
bcx: BlockAndBuilder<'blk, 'tcx>,
|
||||
v: ValueRef,
|
||||
t: Ty<'tcx>,
|
||||
) -> BlockAndBuilder<'blk, 'tcx> {
|
||||
call_drop_glue(bcx, v, t, false, None)
|
||||
}
|
||||
|
||||
pub fn drop_ty_core<'blk, 'tcx>(bcx: BlockAndBuilder<'blk, 'tcx>,
|
||||
v: ValueRef,
|
||||
t: Ty<'tcx>,
|
||||
skip_dtor: bool)
|
||||
-> BlockAndBuilder<'blk, 'tcx> {
|
||||
pub fn call_drop_glue<'blk, 'tcx>(
|
||||
bcx: BlockAndBuilder<'blk, 'tcx>,
|
||||
v: ValueRef,
|
||||
t: Ty<'tcx>,
|
||||
skip_dtor: bool,
|
||||
lpad: Option<&'blk LandingPad>,
|
||||
) -> BlockAndBuilder<'blk, 'tcx> {
|
||||
// NB: v is an *alias* of type t here, not a direct value.
|
||||
debug!("drop_ty_core(t={:?}, skip_dtor={})", t, skip_dtor);
|
||||
debug!("call_drop_glue(t={:?}, skip_dtor={})", t, skip_dtor);
|
||||
let _icx = push_ctxt("drop_ty");
|
||||
if bcx.fcx().type_needs_drop(t) {
|
||||
let ccx = bcx.ccx();
|
||||
@ -151,25 +154,11 @@ pub fn drop_ty_core<'blk, 'tcx>(bcx: BlockAndBuilder<'blk, 'tcx>,
|
||||
};
|
||||
|
||||
// No drop-hint ==> call standard drop glue
|
||||
bcx.call(glue, &[ptr], bcx.lpad().and_then(|b| b.bundle()));
|
||||
bcx.call(glue, &[ptr], lpad.and_then(|b| b.bundle()));
|
||||
}
|
||||
bcx
|
||||
}
|
||||
|
||||
pub fn drop_ty_immediate<'blk, 'tcx>(bcx: BlockAndBuilder<'blk, 'tcx>,
|
||||
v: ValueRef,
|
||||
t: Ty<'tcx>,
|
||||
skip_dtor: bool)
|
||||
-> BlockAndBuilder<'blk, 'tcx> {
|
||||
let _icx = push_ctxt("drop_ty_immediate");
|
||||
let vp = alloc_ty(&bcx, t, "");
|
||||
Lifetime::Start.call(&bcx, vp);
|
||||
store_ty(&bcx, v, vp, t);
|
||||
let bcx = drop_ty_core(bcx, vp, t, skip_dtor);
|
||||
Lifetime::End.call(&bcx, vp);
|
||||
bcx
|
||||
}
|
||||
|
||||
pub fn get_drop_glue<'a, 'tcx>(ccx: &CrateContext<'a, 'tcx>, t: Ty<'tcx>) -> ValueRef {
|
||||
get_drop_glue_core(ccx, DropGlueKind::Ty(t))
|
||||
}
|
||||
@ -221,9 +210,7 @@ pub fn implement_drop_glue<'a, 'tcx>(ccx: &CrateContext<'a, 'tcx>,
|
||||
assert_eq!(g.ty(), get_drop_glue_type(tcx, g.ty()));
|
||||
let (llfn, fn_ty) = ccx.drop_glues().borrow().get(&g).unwrap().clone();
|
||||
|
||||
let (arena, fcx): (TypedArena<_>, FunctionContext);
|
||||
arena = TypedArena::new();
|
||||
fcx = FunctionContext::new(ccx, llfn, fn_ty, None, &arena);
|
||||
let fcx = FunctionContext::new(ccx, llfn, fn_ty, None);
|
||||
|
||||
let bcx = fcx.init(false);
|
||||
|
||||
@ -588,15 +575,15 @@ fn drop_structural_ty<'blk, 'tcx>(cx: BlockAndBuilder<'blk, 'tcx>,
|
||||
// from the outer function, and any other use case will only
|
||||
// call this for an already-valid enum in which case the `ret
|
||||
// void` will never be hit.
|
||||
let ret_void_cx = fcx.new_block("enum-iter-ret-void").build();
|
||||
let ret_void_cx = fcx.build_new_block("enum-iter-ret-void");
|
||||
ret_void_cx.ret_void();
|
||||
let llswitch = cx.switch(lldiscrim_a, ret_void_cx.llbb(), n_variants);
|
||||
let next_cx = fcx.new_block("enum-iter-next").build();
|
||||
let next_cx = fcx.build_new_block("enum-iter-next");
|
||||
|
||||
for variant in &adt.variants {
|
||||
let variant_cx_name = format!("enum-iter-variant-{}",
|
||||
&variant.disr_val.to_string());
|
||||
let variant_cx = fcx.new_block(&variant_cx_name).build();
|
||||
let variant_cx = fcx.build_new_block(&variant_cx_name);
|
||||
let case_val = adt::trans_case(&cx, t, Disr::from(variant.disr_val));
|
||||
variant_cx.add_case(llswitch, case_val, variant_cx.llbb());
|
||||
let variant_cx = iter_variant(variant_cx, t, value, variant, substs);
|
||||
|
@ -10,7 +10,6 @@
|
||||
|
||||
#![allow(non_upper_case_globals)]
|
||||
|
||||
use arena::TypedArena;
|
||||
use intrinsics::{self, Intrinsic};
|
||||
use libc;
|
||||
use llvm;
|
||||
@ -812,10 +811,10 @@ fn trans_msvc_try<'blk, 'tcx>(bcx: &BlockAndBuilder<'blk, 'tcx>,
|
||||
|
||||
bcx.set_personality_fn(bcx.fcx().eh_personality());
|
||||
|
||||
let normal = bcx.fcx().new_block("normal").build();
|
||||
let catchswitch = bcx.fcx().new_block("catchswitch").build();
|
||||
let catchpad = bcx.fcx().new_block("catchpad").build();
|
||||
let caught = bcx.fcx().new_block("caught").build();
|
||||
let normal = bcx.fcx().build_new_block("normal");
|
||||
let catchswitch = bcx.fcx().build_new_block("catchswitch");
|
||||
let catchpad = bcx.fcx().build_new_block("catchpad");
|
||||
let caught = bcx.fcx().build_new_block("caught");
|
||||
|
||||
let func = llvm::get_param(bcx.fcx().llfn, 0);
|
||||
let data = llvm::get_param(bcx.fcx().llfn, 1);
|
||||
@ -930,8 +929,8 @@ fn trans_gnu_try<'blk, 'tcx>(bcx: &BlockAndBuilder<'blk, 'tcx>,
|
||||
// expected to be `*mut *mut u8` for this to actually work, but that's
|
||||
// managed by the standard library.
|
||||
|
||||
let then = bcx.fcx().new_block("then").build();
|
||||
let catch = bcx.fcx().new_block("catch").build();
|
||||
let then = bcx.fcx().build_new_block("then");
|
||||
let catch = bcx.fcx().build_new_block("catch");
|
||||
|
||||
let func = llvm::get_param(bcx.fcx().llfn, 0);
|
||||
let data = llvm::get_param(bcx.fcx().llfn, 1);
|
||||
@ -978,9 +977,7 @@ fn gen_fn<'a, 'tcx>(fcx: &FunctionContext<'a, 'tcx>,
|
||||
sig: ty::Binder(sig)
|
||||
}));
|
||||
let llfn = declare::define_internal_fn(ccx, name, rust_fn_ty);
|
||||
let (fcx, block_arena);
|
||||
block_arena = TypedArena::new();
|
||||
fcx = FunctionContext::new(ccx, llfn, fn_ty, None, &block_arena);
|
||||
let fcx = FunctionContext::new(ccx, llfn, fn_ty, None);
|
||||
trans(fcx.init(true));
|
||||
fcx.cleanup();
|
||||
llfn
|
||||
|
@ -9,7 +9,6 @@
|
||||
// except according to those terms.
|
||||
|
||||
use attributes;
|
||||
use arena::TypedArena;
|
||||
use llvm::{ValueRef, get_params};
|
||||
use rustc::traits;
|
||||
use abi::FnType;
|
||||
@ -84,9 +83,7 @@ pub fn trans_object_shim<'a, 'tcx>(ccx: &'a CrateContext<'a, 'tcx>,
|
||||
let llfn = declare::define_internal_fn(ccx, &function_name, callee.ty);
|
||||
attributes::set_frame_pointer_elimination(ccx, llfn);
|
||||
|
||||
let (block_arena, fcx): (TypedArena<_>, FunctionContext);
|
||||
block_arena = TypedArena::new();
|
||||
fcx = FunctionContext::new(ccx, llfn, fn_ty, None, &block_arena);
|
||||
let fcx = FunctionContext::new(ccx, llfn, fn_ty, None);
|
||||
let mut bcx = fcx.init(false);
|
||||
|
||||
let dest = fcx.llretslotptr.get();
|
||||
|
@ -16,19 +16,18 @@ use rustc_data_structures::indexed_vec::{Idx, IndexVec};
|
||||
use rustc::mir::{self, Location, TerminatorKind};
|
||||
use rustc::mir::visit::{Visitor, LvalueContext};
|
||||
use rustc::mir::traversal;
|
||||
use common::{self, Block, BlockAndBuilder};
|
||||
use common::{self, BlockAndBuilder};
|
||||
use glue;
|
||||
use super::rvalue;
|
||||
|
||||
pub fn lvalue_locals<'bcx, 'tcx>(bcx: Block<'bcx,'tcx>,
|
||||
pub fn lvalue_locals<'bcx, 'tcx>(bcx: &BlockAndBuilder<'bcx,'tcx>,
|
||||
mir: &mir::Mir<'tcx>) -> BitVector {
|
||||
let bcx = bcx.build();
|
||||
let mut analyzer = LocalAnalyzer::new(mir, &bcx);
|
||||
|
||||
analyzer.visit_mir(mir);
|
||||
|
||||
for (index, ty) in mir.local_decls.iter().map(|l| l.ty).enumerate() {
|
||||
let ty = bcx.monomorphize(&ty);
|
||||
let ty = bcx.fcx().monomorphize(&ty);
|
||||
debug!("local {} has type {:?}", index, ty);
|
||||
if ty.is_scalar() ||
|
||||
ty.is_unique() ||
|
||||
@ -142,7 +141,7 @@ impl<'mir, 'bcx, 'tcx> Visitor<'tcx> for LocalAnalyzer<'mir, 'bcx, 'tcx> {
|
||||
if let mir::Lvalue::Local(_) = proj.base {
|
||||
let ty = proj.base.ty(self.mir, self.bcx.tcx());
|
||||
|
||||
let ty = self.bcx.monomorphize(&ty.to_ty(self.bcx.tcx()));
|
||||
let ty = self.bcx.fcx().monomorphize(&ty.to_ty(self.bcx.tcx()));
|
||||
if common::type_is_imm_pair(self.bcx.ccx(), ty) {
|
||||
if let mir::ProjectionElem::Field(..) = proj.elem {
|
||||
if let LvalueContext::Consume = context {
|
||||
@ -172,7 +171,7 @@ impl<'mir, 'bcx, 'tcx> Visitor<'tcx> for LocalAnalyzer<'mir, 'bcx, 'tcx> {
|
||||
|
||||
LvalueContext::Drop => {
|
||||
let ty = lvalue.ty(self.mir, self.bcx.tcx());
|
||||
let ty = self.bcx.monomorphize(&ty.to_ty(self.bcx.tcx()));
|
||||
let ty = self.bcx.fcx().monomorphize(&ty.to_ty(self.bcx.tcx()));
|
||||
|
||||
// Only need the lvalue if we're actually dropping it.
|
||||
if glue::type_needs_drop(self.bcx.tcx(), ty) {
|
||||
@ -200,10 +199,7 @@ pub enum CleanupKind {
|
||||
Internal { funclet: mir::BasicBlock }
|
||||
}
|
||||
|
||||
pub fn cleanup_kinds<'bcx,'tcx>(_bcx: Block<'bcx,'tcx>,
|
||||
mir: &mir::Mir<'tcx>)
|
||||
-> IndexVec<mir::BasicBlock, CleanupKind>
|
||||
{
|
||||
pub fn cleanup_kinds<'bcx,'tcx>(mir: &mir::Mir<'tcx>) -> IndexVec<mir::BasicBlock, CleanupKind> {
|
||||
fn discover_masters<'tcx>(result: &mut IndexVec<mir::BasicBlock, CleanupKind>,
|
||||
mir: &mir::Mir<'tcx>) {
|
||||
for (bb, data) in mir.basic_blocks().iter_enumerated() {
|
||||
|
@ -8,7 +8,7 @@
|
||||
// option. This file may not be copied, modified, or distributed
|
||||
// except according to those terms.
|
||||
|
||||
use llvm::{self, ValueRef};
|
||||
use llvm::{self, ValueRef, BasicBlockRef};
|
||||
use rustc_const_eval::{ErrKind, ConstEvalErr, note_const_eval_err};
|
||||
use rustc::middle::lang_items;
|
||||
use rustc::ty::{self, layout};
|
||||
@ -17,7 +17,7 @@ use abi::{Abi, FnType, ArgType};
|
||||
use adt;
|
||||
use base::{self, Lifetime};
|
||||
use callee::{Callee, CalleeData, Fn, Intrinsic, NamedTupleConstructor, Virtual};
|
||||
use common::{self, Block, BlockAndBuilder, LandingPad};
|
||||
use common::{self, BlockAndBuilder, LandingPad};
|
||||
use common::{C_bool, C_str_slice, C_struct, C_u32, C_undef};
|
||||
use consts;
|
||||
use debuginfo::DebugLoc;
|
||||
@ -28,6 +28,7 @@ use type_of;
|
||||
use glue;
|
||||
use type_::Type;
|
||||
|
||||
use rustc_data_structures::indexed_vec::IndexVec;
|
||||
use rustc_data_structures::fx::FxHashMap;
|
||||
use syntax::symbol::Symbol;
|
||||
|
||||
@ -42,18 +43,24 @@ use std::cell::Ref as CellRef;
|
||||
use std::ptr;
|
||||
|
||||
impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
pub fn trans_block(&mut self, bb: mir::BasicBlock) {
|
||||
let mut bcx = self.bcx(bb);
|
||||
pub fn trans_block(&mut self, bb: mir::BasicBlock,
|
||||
lpads: &IndexVec<mir::BasicBlock, Option<LandingPad>>) {
|
||||
let mut bcx = self.build_block(bb);
|
||||
let data = &CellRef::clone(&self.mir)[bb];
|
||||
|
||||
debug!("trans_block({:?}={:?})", bb, data);
|
||||
|
||||
let lpad = match self.cleanup_kinds[bb] {
|
||||
CleanupKind::Internal { funclet } => lpads[funclet].as_ref(),
|
||||
_ => lpads[bb].as_ref(),
|
||||
};
|
||||
|
||||
// Create the cleanup bundle, if needed.
|
||||
let cleanup_pad = bcx.lpad().and_then(|lp| lp.cleanuppad());
|
||||
let cleanup_bundle = bcx.lpad().and_then(|l| l.bundle());
|
||||
let cleanup_pad = lpad.and_then(|lp| lp.cleanuppad());
|
||||
let cleanup_bundle = lpad.and_then(|l| l.bundle());
|
||||
|
||||
let funclet_br = |this: &Self, bcx: BlockAndBuilder, bb: mir::BasicBlock| {
|
||||
let lltarget = this.blocks[bb].llbb;
|
||||
let lltarget = this.blocks[bb];
|
||||
if let Some(cp) = cleanup_pad {
|
||||
match this.cleanup_kinds[bb] {
|
||||
CleanupKind::Funclet => {
|
||||
@ -70,7 +77,7 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
};
|
||||
|
||||
let llblock = |this: &mut Self, target: mir::BasicBlock| {
|
||||
let lltarget = this.blocks[target].llbb;
|
||||
let lltarget = this.blocks[target];
|
||||
|
||||
if let Some(cp) = cleanup_pad {
|
||||
match this.cleanup_kinds[target] {
|
||||
@ -79,7 +86,7 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
|
||||
debug!("llblock: creating cleanup trampoline for {:?}", target);
|
||||
let name = &format!("{:?}_cleanup_trampoline_{:?}", bb, target);
|
||||
let trampoline = this.fcx.new_block(name).build();
|
||||
let trampoline = this.fcx.build_new_block(name);
|
||||
trampoline.set_personality_fn(this.fcx.eh_personality());
|
||||
trampoline.cleanup_ret(cp, Some(lltarget));
|
||||
trampoline.llbb()
|
||||
@ -93,7 +100,7 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
(this.cleanup_kinds[bb], this.cleanup_kinds[target])
|
||||
{
|
||||
// jump *into* cleanup - need a landing pad if GNU
|
||||
this.landing_pad_to(target).llbb
|
||||
this.landing_pad_to(target)
|
||||
} else {
|
||||
lltarget
|
||||
}
|
||||
@ -122,7 +129,16 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
let ps = self.get_personality_slot(&bcx);
|
||||
let lp = bcx.load(ps);
|
||||
Lifetime::End.call(&bcx, ps);
|
||||
base::trans_unwind_resume(&bcx, lp);
|
||||
if !bcx.sess().target.target.options.custom_unwind_resume {
|
||||
bcx.resume(lp);
|
||||
} else {
|
||||
let exc_ptr = bcx.extract_value(lp, 0);
|
||||
bcx.call(
|
||||
bcx.fcx().eh_unwind_resume().reify(bcx.ccx()),
|
||||
&[exc_ptr],
|
||||
cleanup_bundle,
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -158,7 +174,7 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
// We're generating an exhaustive switch, so the else branch
|
||||
// can't be hit. Branching to an unreachable instruction
|
||||
// lets LLVM know this
|
||||
_ => (None, self.unreachable_block().llbb)
|
||||
_ => (None, self.unreachable_block())
|
||||
};
|
||||
let switch = bcx.switch(discr, default_blk, targets.len());
|
||||
assert_eq!(adt_def.variants.len(), targets.len());
|
||||
@ -228,7 +244,7 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
|
||||
mir::TerminatorKind::Drop { ref location, target, unwind } => {
|
||||
let ty = location.ty(&self.mir, bcx.tcx()).to_ty(bcx.tcx());
|
||||
let ty = bcx.monomorphize(&ty);
|
||||
let ty = bcx.fcx().monomorphize(&ty);
|
||||
|
||||
// Double check for necessity to drop
|
||||
if !glue::type_needs_drop(bcx.tcx(), ty) {
|
||||
@ -263,7 +279,7 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
if let Some(unwind) = unwind {
|
||||
bcx.invoke(drop_fn,
|
||||
&[llvalue],
|
||||
self.blocks[target].llbb,
|
||||
self.blocks[target],
|
||||
llblock(self, unwind),
|
||||
cleanup_bundle);
|
||||
} else {
|
||||
@ -304,15 +320,15 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
|
||||
// Create the failure block and the conditional branch to it.
|
||||
let lltarget = llblock(self, target);
|
||||
let panic_block = self.fcx.new_block("panic");
|
||||
let panic_block = self.fcx.build_new_block("panic");
|
||||
if expected {
|
||||
bcx.cond_br(cond, lltarget, panic_block.llbb);
|
||||
bcx.cond_br(cond, lltarget, panic_block.llbb());
|
||||
} else {
|
||||
bcx.cond_br(cond, panic_block.llbb, lltarget);
|
||||
bcx.cond_br(cond, panic_block.llbb(), lltarget);
|
||||
}
|
||||
|
||||
// After this point, bcx is the block for the call to panic.
|
||||
bcx = panic_block.build();
|
||||
bcx = panic_block;
|
||||
debug_loc.apply_to_bcx(&bcx);
|
||||
|
||||
// Get the location information.
|
||||
@ -385,7 +401,7 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
if let Some(unwind) = cleanup {
|
||||
bcx.invoke(llfn,
|
||||
&args,
|
||||
self.unreachable_block().llbb,
|
||||
self.unreachable_block(),
|
||||
llblock(self, unwind),
|
||||
cleanup_bundle);
|
||||
} else {
|
||||
@ -485,7 +501,7 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
if let Some(unwind) = *cleanup {
|
||||
bcx.invoke(drop_fn,
|
||||
&[llvalue],
|
||||
self.blocks[target].llbb,
|
||||
self.blocks[target],
|
||||
llblock(self, unwind),
|
||||
cleanup_bundle);
|
||||
} else {
|
||||
@ -508,7 +524,7 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
let extra_args = &args[sig.inputs().len()..];
|
||||
let extra_args = extra_args.iter().map(|op_arg| {
|
||||
let op_ty = op_arg.ty(&self.mir, bcx.tcx());
|
||||
bcx.monomorphize(&op_ty)
|
||||
bcx.fcx().monomorphize(&op_ty)
|
||||
}).collect::<Vec<_>>();
|
||||
let fn_ty = callee.direct_fn_type(bcx.ccx(), &extra_args);
|
||||
|
||||
@ -621,13 +637,13 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
};
|
||||
let invokeret = bcx.invoke(fn_ptr,
|
||||
&llargs,
|
||||
ret_bcx.llbb,
|
||||
ret_bcx,
|
||||
llblock(self, cleanup),
|
||||
cleanup_bundle);
|
||||
fn_ty.apply_attrs_callsite(invokeret);
|
||||
|
||||
if destination.is_some() {
|
||||
let ret_bcx = ret_bcx.build();
|
||||
if let Some((_, target)) = *destination {
|
||||
let ret_bcx = self.build_block(target);
|
||||
ret_bcx.at_start(|ret_bcx| {
|
||||
debug_loc.apply_to_bcx(ret_bcx);
|
||||
let op = OperandRef {
|
||||
@ -824,8 +840,7 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
/// Return the landingpad wrapper around the given basic block
|
||||
///
|
||||
/// No-op in MSVC SEH scheme.
|
||||
fn landing_pad_to(&mut self, target_bb: mir::BasicBlock) -> Block<'bcx, 'tcx>
|
||||
{
|
||||
fn landing_pad_to(&mut self, target_bb: mir::BasicBlock) -> BasicBlockRef {
|
||||
if let Some(block) = self.landing_pads[target_bb] {
|
||||
return block;
|
||||
}
|
||||
@ -834,12 +849,11 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
return self.blocks[target_bb];
|
||||
}
|
||||
|
||||
let target = self.bcx(target_bb);
|
||||
let target = self.build_block(target_bb);
|
||||
|
||||
let block = self.fcx.new_block("cleanup");
|
||||
self.landing_pads[target_bb] = Some(block);
|
||||
let bcx = self.fcx.build_new_block("cleanup");
|
||||
self.landing_pads[target_bb] = Some(bcx.llbb());
|
||||
|
||||
let bcx = block.build();
|
||||
let ccx = bcx.ccx();
|
||||
let llpersonality = self.fcx.eh_personality();
|
||||
let llretty = Type::struct_(ccx, &[Type::i8p(ccx), Type::i32(ccx)], false);
|
||||
@ -848,46 +862,47 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
let slot = self.get_personality_slot(&bcx);
|
||||
bcx.store(llretval, slot);
|
||||
bcx.br(target.llbb());
|
||||
block
|
||||
bcx.llbb()
|
||||
}
|
||||
|
||||
pub fn init_cpad(&mut self, bb: mir::BasicBlock) {
|
||||
let bcx = self.bcx(bb);
|
||||
pub fn init_cpad(&mut self, bb: mir::BasicBlock,
|
||||
lpads: &mut IndexVec<mir::BasicBlock, Option<LandingPad>>) {
|
||||
let bcx = self.build_block(bb);
|
||||
let data = &self.mir[bb];
|
||||
debug!("init_cpad({:?})", data);
|
||||
|
||||
match self.cleanup_kinds[bb] {
|
||||
CleanupKind::NotCleanup => {
|
||||
bcx.set_lpad(None)
|
||||
lpads[bb] = None;
|
||||
}
|
||||
_ if !base::wants_msvc_seh(bcx.sess()) => {
|
||||
bcx.set_lpad(Some(LandingPad::gnu()))
|
||||
lpads[bb] = Some(LandingPad::gnu());
|
||||
}
|
||||
CleanupKind::Internal { funclet } => {
|
||||
CleanupKind::Internal { funclet: _ } => {
|
||||
// FIXME: is this needed?
|
||||
bcx.set_personality_fn(self.fcx.eh_personality());
|
||||
bcx.set_lpad_ref(self.bcx(funclet).lpad());
|
||||
lpads[bb] = None;
|
||||
}
|
||||
CleanupKind::Funclet => {
|
||||
bcx.set_personality_fn(self.fcx.eh_personality());
|
||||
DebugLoc::None.apply_to_bcx(&bcx);
|
||||
let cleanup_pad = bcx.cleanup_pad(None, &[]);
|
||||
bcx.set_lpad(Some(LandingPad::msvc(cleanup_pad)));
|
||||
lpads[bb] = Some(LandingPad::msvc(cleanup_pad));
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
fn unreachable_block(&mut self) -> Block<'bcx, 'tcx> {
|
||||
fn unreachable_block(&mut self) -> BasicBlockRef {
|
||||
self.unreachable_block.unwrap_or_else(|| {
|
||||
let bl = self.fcx.new_block("unreachable");
|
||||
bl.build().unreachable();
|
||||
self.unreachable_block = Some(bl);
|
||||
bl
|
||||
let bl = self.fcx.build_new_block("unreachable");
|
||||
bl.unreachable();
|
||||
self.unreachable_block = Some(bl.llbb());
|
||||
bl.llbb()
|
||||
})
|
||||
}
|
||||
|
||||
fn bcx(&self, bb: mir::BasicBlock) -> BlockAndBuilder<'bcx, 'tcx> {
|
||||
self.blocks[bb].build()
|
||||
fn build_block(&self, bb: mir::BasicBlock) -> BlockAndBuilder<'bcx, 'tcx> {
|
||||
BlockAndBuilder::new(self.blocks[bb], self.fcx)
|
||||
}
|
||||
|
||||
fn make_return_dest(&mut self, bcx: &BlockAndBuilder<'bcx, 'tcx>,
|
||||
|
@ -952,7 +952,7 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
-> Const<'tcx>
|
||||
{
|
||||
debug!("trans_constant({:?})", constant);
|
||||
let ty = bcx.monomorphize(&constant.ty);
|
||||
let ty = bcx.fcx().monomorphize(&constant.ty);
|
||||
let result = match constant.literal.clone() {
|
||||
mir::Literal::Item { def_id, substs } => {
|
||||
// Shortcut for zero-sized types, including function item
|
||||
@ -962,7 +962,7 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
return Const::new(C_null(llty), ty);
|
||||
}
|
||||
|
||||
let substs = bcx.monomorphize(&substs);
|
||||
let substs = bcx.fcx().monomorphize(&substs);
|
||||
let instance = Instance::new(def_id, substs);
|
||||
MirConstContext::trans_def(bcx.ccx(), instance, IndexVec::new())
|
||||
}
|
||||
|
@ -103,7 +103,7 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
let ptr = self.trans_consume(bcx, base);
|
||||
let projected_ty = LvalueTy::from_ty(ptr.ty)
|
||||
.projection_ty(tcx, &mir::ProjectionElem::Deref);
|
||||
let projected_ty = bcx.monomorphize(&projected_ty);
|
||||
let projected_ty = bcx.fcx().monomorphize(&projected_ty);
|
||||
let (llptr, llextra) = match ptr.val {
|
||||
OperandValue::Immediate(llptr) => (llptr, ptr::null_mut()),
|
||||
OperandValue::Pair(llptr, llextra) => (llptr, llextra),
|
||||
@ -118,7 +118,7 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
mir::Lvalue::Projection(ref projection) => {
|
||||
let tr_base = self.trans_lvalue(bcx, &projection.base);
|
||||
let projected_ty = tr_base.ty.projection_ty(tcx, &projection.elem);
|
||||
let projected_ty = bcx.monomorphize(&projected_ty);
|
||||
let projected_ty = bcx.fcx().monomorphize(&projected_ty);
|
||||
|
||||
let project_index = |llindex| {
|
||||
let element = if let ty::TySlice(_) = tr_base.ty.to_ty(tcx).sty {
|
||||
|
@ -9,13 +9,13 @@
|
||||
// except according to those terms.
|
||||
|
||||
use libc::c_uint;
|
||||
use llvm::{self, ValueRef};
|
||||
use rustc::ty::{self, layout};
|
||||
use llvm::{self, ValueRef, BasicBlockRef};
|
||||
use rustc::ty;
|
||||
use rustc::mir;
|
||||
use rustc::mir::tcx::LvalueTy;
|
||||
use session::config::FullDebugInfo;
|
||||
use base;
|
||||
use common::{self, Block, BlockAndBuilder, CrateContext, FunctionContext, C_null};
|
||||
use common::{self, BlockAndBuilder, CrateContext, FunctionContext, C_null, LandingPad};
|
||||
use debuginfo::{self, declare_local, DebugLoc, VariableAccess, VariableKind, FunctionDebugContext};
|
||||
use type_of;
|
||||
|
||||
@ -54,17 +54,17 @@ pub struct MirContext<'bcx, 'tcx:'bcx> {
|
||||
llpersonalityslot: Option<ValueRef>,
|
||||
|
||||
/// A `Block` for each MIR `BasicBlock`
|
||||
blocks: IndexVec<mir::BasicBlock, Block<'bcx, 'tcx>>,
|
||||
blocks: IndexVec<mir::BasicBlock, BasicBlockRef>,
|
||||
|
||||
/// The funclet status of each basic block
|
||||
cleanup_kinds: IndexVec<mir::BasicBlock, analyze::CleanupKind>,
|
||||
|
||||
/// This stores the landing-pad block for a given BB, computed lazily on GNU
|
||||
/// and eagerly on MSVC.
|
||||
landing_pads: IndexVec<mir::BasicBlock, Option<Block<'bcx, 'tcx>>>,
|
||||
landing_pads: IndexVec<mir::BasicBlock, Option<BasicBlockRef>>,
|
||||
|
||||
/// Cached unreachable block
|
||||
unreachable_block: Option<Block<'bcx, 'tcx>>,
|
||||
unreachable_block: Option<BasicBlockRef>,
|
||||
|
||||
/// The location where each MIR arg/var/tmp/ret is stored. This is
|
||||
/// usually an `LvalueRef` representing an alloca, but not always:
|
||||
@ -186,13 +186,11 @@ pub fn trans_mir<'blk, 'tcx: 'blk>(fcx: &'blk FunctionContext<'blk, 'tcx>) {
|
||||
|
||||
// Analyze the temps to determine which must be lvalues
|
||||
// FIXME
|
||||
let (lvalue_locals, cleanup_kinds) = bcx.with_block(|bcx| {
|
||||
(analyze::lvalue_locals(bcx, &mir),
|
||||
analyze::cleanup_kinds(bcx, &mir))
|
||||
});
|
||||
let lvalue_locals = analyze::lvalue_locals(&bcx, &mir);
|
||||
let cleanup_kinds = analyze::cleanup_kinds(&mir);
|
||||
|
||||
// Allocate a `Block` for every basic block
|
||||
let block_bcxs: IndexVec<mir::BasicBlock, Block<'blk,'tcx>> =
|
||||
let block_bcxs: IndexVec<mir::BasicBlock, BasicBlockRef> =
|
||||
mir.basic_blocks().indices().map(|bb| {
|
||||
if bb == mir::START_BLOCK {
|
||||
fcx.new_block("start")
|
||||
@ -222,7 +220,7 @@ pub fn trans_mir<'blk, 'tcx: 'blk>(fcx: &'blk FunctionContext<'blk, 'tcx>) {
|
||||
|
||||
let mut allocate_local = |local| {
|
||||
let decl = &mir.local_decls[local];
|
||||
let ty = bcx.monomorphize(&decl.ty);
|
||||
let ty = bcx.fcx().monomorphize(&decl.ty);
|
||||
|
||||
if let Some(name) = decl.name {
|
||||
// User variable
|
||||
@ -276,7 +274,7 @@ pub fn trans_mir<'blk, 'tcx: 'blk>(fcx: &'blk FunctionContext<'blk, 'tcx>) {
|
||||
|
||||
// Branch to the START block
|
||||
let start_bcx = mircx.blocks[mir::START_BLOCK];
|
||||
bcx.br(start_bcx.llbb);
|
||||
bcx.br(start_bcx);
|
||||
|
||||
// Up until here, IR instructions for this function have explicitly not been annotated with
|
||||
// source code location, so we don't step into call setup code. From here on, source location
|
||||
@ -287,23 +285,26 @@ pub fn trans_mir<'blk, 'tcx: 'blk>(fcx: &'blk FunctionContext<'blk, 'tcx>) {
|
||||
|
||||
let mut rpo = traversal::reverse_postorder(&mir);
|
||||
|
||||
let mut lpads: IndexVec<mir::BasicBlock, Option<LandingPad>> =
|
||||
IndexVec::from_elem(None, mir.basic_blocks());
|
||||
|
||||
// Prepare each block for translation.
|
||||
for (bb, _) in rpo.by_ref() {
|
||||
mircx.init_cpad(bb);
|
||||
mircx.init_cpad(bb, &mut lpads);
|
||||
}
|
||||
rpo.reset();
|
||||
|
||||
// Translate the body of each block using reverse postorder
|
||||
for (bb, _) in rpo {
|
||||
visited.insert(bb.index());
|
||||
mircx.trans_block(bb);
|
||||
mircx.trans_block(bb, &lpads);
|
||||
}
|
||||
|
||||
// Remove blocks that haven't been visited, or have no
|
||||
// predecessors.
|
||||
for bb in mir.basic_blocks().indices() {
|
||||
let block = mircx.blocks[bb];
|
||||
let block = BasicBlock(block.llbb);
|
||||
let block = BasicBlock(block);
|
||||
// Unreachable block
|
||||
if !visited.contains(bb.index()) {
|
||||
debug!("trans_mir: block {:?} was not visited", bb);
|
||||
@ -338,7 +339,7 @@ fn arg_local_refs<'bcx, 'tcx>(bcx: &BlockAndBuilder<'bcx, 'tcx>,
|
||||
|
||||
mir.args_iter().enumerate().map(|(arg_index, local)| {
|
||||
let arg_decl = &mir.local_decls[local];
|
||||
let arg_ty = bcx.monomorphize(&arg_decl.ty);
|
||||
let arg_ty = bcx.fcx().monomorphize(&arg_decl.ty);
|
||||
|
||||
if Some(local) == mir.spread_arg {
|
||||
// This argument (e.g. the last argument in the "rust-call" ABI)
|
||||
|
@ -197,7 +197,7 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
let llval = [a, b][f.index()];
|
||||
let op = OperandRef {
|
||||
val: OperandValue::Immediate(llval),
|
||||
ty: bcx.monomorphize(&ty)
|
||||
ty: bcx.fcx().monomorphize(&ty)
|
||||
};
|
||||
|
||||
// Handle nested pairs.
|
||||
|
@ -52,7 +52,7 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
}
|
||||
|
||||
mir::Rvalue::Cast(mir::CastKind::Unsize, ref source, cast_ty) => {
|
||||
let cast_ty = bcx.monomorphize(&cast_ty);
|
||||
let cast_ty = bcx.fcx().monomorphize(&cast_ty);
|
||||
|
||||
if common::type_is_fat_ptr(bcx.tcx(), cast_ty) {
|
||||
// into-coerce of a thin pointer to a fat pointer - just
|
||||
@ -187,7 +187,7 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
mir::Rvalue::Cast(ref kind, ref source, cast_ty) => {
|
||||
let operand = self.trans_operand(&bcx, source);
|
||||
debug!("cast operand is {:?}", operand);
|
||||
let cast_ty = bcx.monomorphize(&cast_ty);
|
||||
let cast_ty = bcx.fcx().monomorphize(&cast_ty);
|
||||
|
||||
let val = match *kind {
|
||||
mir::CastKind::ReifyFnPointer => {
|
||||
@ -444,7 +444,7 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
|
||||
}
|
||||
|
||||
mir::Rvalue::Box(content_ty) => {
|
||||
let content_ty: Ty<'tcx> = bcx.monomorphize(&content_ty);
|
||||
let content_ty: Ty<'tcx> = bcx.fcx().monomorphize(&content_ty);
|
||||
let llty = type_of::type_of(bcx.ccx(), content_ty);
|
||||
let llsize = machine::llsize_of(bcx.ccx(), llty);
|
||||
let align = type_of::align_of(bcx.ccx(), content_ty);
|
||||
|
@ -35,9 +35,9 @@ pub fn slice_for_each<'blk, 'tcx, F>(bcx: BlockAndBuilder<'blk, 'tcx>,
|
||||
bcx.inbounds_gep(a, &[b])
|
||||
};
|
||||
|
||||
let body_bcx = fcx.new_block("slice_loop_body").build();
|
||||
let next_bcx = fcx.new_block("slice_loop_next").build();
|
||||
let header_bcx = fcx.new_block("slice_loop_header").build();
|
||||
let body_bcx = fcx.build_new_block("slice_loop_body");
|
||||
let next_bcx = fcx.build_new_block("slice_loop_next");
|
||||
let header_bcx = fcx.build_new_block("slice_loop_header");
|
||||
|
||||
let start = if zst {
|
||||
C_uint(bcx.ccx(), 0usize)
|
||||
|
Loading…
Reference in New Issue
Block a user