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Move all intrinsic handling code in codegen_call_terminators together

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This commit is contained in:
bjorn3 2024-03-30 13:58:06 +00:00
parent e32eb4c9e9
commit 22b32432ca
1 changed files with 19 additions and 25 deletions
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44
compiler/rustc_codegen_ssa/src/mir/block.rs
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@ -751,7 +751,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
&mut self,
helper: &TerminatorCodegenHelper<'tcx>,
bx: &mut Bx,
intrinsic: Option<ty::IntrinsicDef>,
intrinsic: ty::IntrinsicDef,
instance: Option<Instance<'tcx>>,
source_info: mir::SourceInfo,
target: Option<mir::BasicBlock>,
@ -761,8 +761,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
// Emit a panic or a no-op for `assert_*` intrinsics.
// These are intrinsics that compile to panics so that we can get a message
// which mentions the offending type, even from a const context.
let panic_intrinsic = intrinsic.and_then(|i| ValidityRequirement::from_intrinsic(i.name));
if let Some(requirement) = panic_intrinsic {
if let Some(requirement) = ValidityRequirement::from_intrinsic(intrinsic.name) {
let ty = instance.unwrap().args.type_at(0);
let do_panic = !bx
@ -869,12 +868,6 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
let sig = callee.layout.ty.fn_sig(bx.tcx());
let abi = sig.abi();
// Handle intrinsics old codegen wants Expr's for, ourselves.
let intrinsic = match def {
Some(ty::InstanceKind::Intrinsic(def_id)) => Some(bx.tcx().intrinsic(def_id).unwrap()),
_ => None,
};
let extra_args = &args[sig.inputs().skip_binder().len()..];
let extra_args = bx.tcx().mk_type_list_from_iter(extra_args.iter().map(|op_arg| {
let op_ty = op_arg.node.ty(self.mir, bx.tcx());
@ -886,25 +879,25 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
None => bx.fn_abi_of_fn_ptr(sig, extra_args),
};
if let Some(merging_succ) = self.codegen_panic_intrinsic(
&helper,
bx,
intrinsic,
instance,
source_info,
target,
unwind,
mergeable_succ,
) {
return merging_succ;
}
// The arguments we'll be passing. Plus one to account for outptr, if used.
let arg_count = fn_abi.args.len() + fn_abi.ret.is_indirect() as usize;
let instance = match intrinsic {
None => instance,
Some(intrinsic) => {
let instance = match def {
Some(ty::InstanceKind::Intrinsic(def_id)) => {
let intrinsic = bx.tcx().intrinsic(def_id).unwrap();
if let Some(merging_succ) = self.codegen_panic_intrinsic(
&helper,
bx,
intrinsic,
instance,
source_info,
target,
unwind,
mergeable_succ,
) {
return merging_succ;
}
let mut llargs = Vec::with_capacity(1);
let ret_dest = self.make_return_dest(
bx,
@ -984,6 +977,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
}
}
}
_ => instance,
};
let mut llargs = Vec::with_capacity(arg_count);