Update the minimum external LLVM to 13

This commit is contained in:
Josh Stone 2022-08-12 10:22:38 -07:00
parent 801821d156
commit 2970ad8aee
34 changed files with 46 additions and 289 deletions

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@ -43,7 +43,7 @@ jobs:
- name: mingw-check
os: ubuntu-20.04-xl
env: {}
- name: x86_64-gnu-llvm-12
- name: x86_64-gnu-llvm-13
os: ubuntu-20.04-xl
env: {}
- name: x86_64-gnu-tools
@ -274,11 +274,11 @@ jobs:
- name: x86_64-gnu-distcheck
os: ubuntu-20.04-xl
env: {}
- name: x86_64-gnu-llvm-12
- name: x86_64-gnu-llvm-13
env:
RUST_BACKTRACE: 1
os: ubuntu-20.04-xl
- name: x86_64-gnu-llvm-12-stage1
- name: x86_64-gnu-llvm-13-stage1
env:
RUST_BACKTRACE: 1
os: ubuntu-20.04-xl

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@ -3,7 +3,6 @@ use crate::builder::Builder;
use crate::common::Funclet;
use crate::context::CodegenCx;
use crate::llvm;
use crate::llvm_util;
use crate::type_::Type;
use crate::type_of::LayoutLlvmExt;
use crate::value::Value;
@ -419,13 +418,6 @@ pub(crate) fn inline_asm_call<'ll>(
let constraints_ok = llvm::LLVMRustInlineAsmVerify(fty, cons.as_ptr().cast(), cons.len());
debug!("constraint verification result: {:?}", constraints_ok);
if constraints_ok {
if unwind && llvm_util::get_version() < (13, 0, 0) {
bx.cx.sess().span_fatal(
line_spans[0],
"unwinding from inline assembly is only supported on llvm >= 13.",
);
}
let v = llvm::LLVMRustInlineAsm(
fty,
asm.as_ptr().cast(),

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@ -5,7 +5,7 @@ use crate::back::profiling::{
use crate::base;
use crate::common;
use crate::consts;
use crate::llvm::{self, DiagnosticInfo, PassManager, SMDiagnostic};
use crate::llvm::{self, DiagnosticInfo, PassManager};
use crate::llvm_util;
use crate::type_::Type;
use crate::LlvmCodegenBackend;
@ -304,7 +304,6 @@ impl<'a> DiagnosticHandlers<'a> {
remark_passes.as_ptr(),
remark_passes.len(),
);
llvm::LLVMRustSetInlineAsmDiagnosticHandler(llcx, inline_asm_handler, data.cast());
DiagnosticHandlers { data, llcx, old_handler }
}
}
@ -312,9 +311,7 @@ impl<'a> DiagnosticHandlers<'a> {
impl<'a> Drop for DiagnosticHandlers<'a> {
fn drop(&mut self) {
use std::ptr::null_mut;
unsafe {
llvm::LLVMRustSetInlineAsmDiagnosticHandler(self.llcx, inline_asm_handler, null_mut());
llvm::LLVMRustContextSetDiagnosticHandler(self.llcx, self.old_handler);
drop(Box::from_raw(self.data));
}
@ -342,16 +339,6 @@ fn report_inline_asm(
cgcx.diag_emitter.inline_asm_error(cookie as u32, msg, level, source);
}
unsafe extern "C" fn inline_asm_handler(diag: &SMDiagnostic, user: *const c_void, cookie: c_uint) {
if user.is_null() {
return;
}
let (cgcx, _) = *(user as *const (&CodegenContext<LlvmCodegenBackend>, &Handler));
let smdiag = llvm::diagnostic::SrcMgrDiagnostic::unpack(diag);
report_inline_asm(cgcx, smdiag.message, smdiag.level, cookie, smdiag.source);
}
unsafe extern "C" fn diagnostic_handler(info: &DiagnosticInfo, user: *mut c_void) {
if user.is_null() {
return;

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@ -3,7 +3,6 @@ use crate::common::Funclet;
use crate::context::CodegenCx;
use crate::llvm::{self, BasicBlock, False};
use crate::llvm::{AtomicOrdering, AtomicRmwBinOp, SynchronizationScope};
use crate::llvm_util;
use crate::type_::Type;
use crate::type_of::LayoutLlvmExt;
use crate::value::Value;
@ -1038,25 +1037,11 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
dst: &'ll Value,
cmp: &'ll Value,
src: &'ll Value,
mut order: rustc_codegen_ssa::common::AtomicOrdering,
order: rustc_codegen_ssa::common::AtomicOrdering,
failure_order: rustc_codegen_ssa::common::AtomicOrdering,
weak: bool,
) -> &'ll Value {
let weak = if weak { llvm::True } else { llvm::False };
if llvm_util::get_version() < (13, 0, 0) {
use rustc_codegen_ssa::common::AtomicOrdering::*;
// Older llvm has the pre-C++17 restriction on
// success and failure memory ordering,
// requiring the former to be at least as strong as the latter.
// So, for llvm 12, we upgrade the success ordering to a stronger
// one if necessary.
match (order, failure_order) {
(Relaxed, Acquire) => order = Acquire,
(Release, Acquire) => order = AcquireRelease,
(_, SequentiallyConsistent) => order = SequentiallyConsistent,
_ => {}
}
}
unsafe {
llvm::LLVMRustBuildAtomicCmpXchg(
self.llbuilder,
@ -1444,51 +1429,37 @@ impl<'a, 'll, 'tcx> Builder<'a, 'll, 'tcx> {
}
}
fn fptoint_sat_broken_in_llvm(&self) -> bool {
match self.tcx.sess.target.arch.as_ref() {
// FIXME - https://bugs.llvm.org/show_bug.cgi?id=50083
"riscv64" => llvm_util::get_version() < (13, 0, 0),
_ => false,
}
}
fn fptoint_sat(
&mut self,
signed: bool,
val: &'ll Value,
dest_ty: &'ll Type,
) -> Option<&'ll Value> {
if !self.fptoint_sat_broken_in_llvm() {
let src_ty = self.cx.val_ty(val);
let (float_ty, int_ty, vector_length) = if self.cx.type_kind(src_ty) == TypeKind::Vector
{
assert_eq!(self.cx.vector_length(src_ty), self.cx.vector_length(dest_ty));
(
self.cx.element_type(src_ty),
self.cx.element_type(dest_ty),
Some(self.cx.vector_length(src_ty)),
)
} else {
(src_ty, dest_ty, None)
};
let float_width = self.cx.float_width(float_ty);
let int_width = self.cx.int_width(int_ty);
let instr = if signed { "fptosi" } else { "fptoui" };
let name = if let Some(vector_length) = vector_length {
format!(
"llvm.{}.sat.v{}i{}.v{}f{}",
instr, vector_length, int_width, vector_length, float_width
)
} else {
format!("llvm.{}.sat.i{}.f{}", instr, int_width, float_width)
};
let f =
self.declare_cfn(&name, llvm::UnnamedAddr::No, self.type_func(&[src_ty], dest_ty));
Some(self.call(self.type_func(&[src_ty], dest_ty), f, &[val], None))
let src_ty = self.cx.val_ty(val);
let (float_ty, int_ty, vector_length) = if self.cx.type_kind(src_ty) == TypeKind::Vector {
assert_eq!(self.cx.vector_length(src_ty), self.cx.vector_length(dest_ty));
(
self.cx.element_type(src_ty),
self.cx.element_type(dest_ty),
Some(self.cx.vector_length(src_ty)),
)
} else {
None
}
(src_ty, dest_ty, None)
};
let float_width = self.cx.float_width(float_ty);
let int_width = self.cx.int_width(int_ty);
let instr = if signed { "fptosi" } else { "fptoui" };
let name = if let Some(vector_length) = vector_length {
format!(
"llvm.{}.sat.v{}i{}.v{}f{}",
instr, vector_length, int_width, vector_length, float_width
)
} else {
format!("llvm.{}.sat.i{}.f{}", instr, int_width, float_width)
};
let f = self.declare_cfn(&name, llvm::UnnamedAddr::No, self.type_func(&[src_ty], dest_ty));
Some(self.call(self.type_func(&[src_ty], dest_ty), f, &[val], None))
}
pub(crate) fn landing_pad(

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@ -142,17 +142,6 @@ pub unsafe fn create_module<'ll>(
let mut target_data_layout = sess.target.data_layout.to_string();
let llvm_version = llvm_util::get_version();
if llvm_version < (13, 0, 0) {
if sess.target.arch == "powerpc64" {
target_data_layout = target_data_layout.replace("-S128", "");
}
if sess.target.arch == "wasm32" {
target_data_layout = "e-m:e-p:32:32-i64:64-n32:64-S128".to_string();
}
if sess.target.arch == "wasm64" {
target_data_layout = "e-m:e-p:64:64-i64:64-n32:64-S128".to_string();
}
}
if llvm_version < (14, 0, 0) {
if sess.target.llvm_target == "i686-pc-windows-msvc"
|| sess.target.llvm_target == "i586-pc-windows-msvc"

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@ -2410,12 +2410,6 @@ extern "C" {
cookie_out: &mut c_uint,
) -> &'a SMDiagnostic;
pub fn LLVMRustSetInlineAsmDiagnosticHandler(
C: &Context,
H: InlineAsmDiagHandlerTy,
CX: *mut c_void,
);
#[allow(improper_ctypes)]
pub fn LLVMRustUnpackSMDiagnostic(
d: &SMDiagnostic,

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@ -92,16 +92,6 @@ unsafe fn configure_llvm(sess: &Session) {
add("-generate-arange-section", false);
}
// Disable the machine outliner by default in LLVM versions 11 and LLVM
// version 12, where it leads to miscompilation.
//
// Ref:
// - https://github.com/rust-lang/rust/issues/85351
// - https://reviews.llvm.org/D103167
if llvm_util::get_version() < (13, 0, 0) {
add("-enable-machine-outliner=never", false);
}
match sess.opts.unstable_opts.merge_functions.unwrap_or(sess.target.merge_functions) {
MergeFunctions::Disabled | MergeFunctions::Trampolines => {}
MergeFunctions::Aliases => {

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@ -24,17 +24,10 @@ extern "C" void LLVMRustCoverageWriteFilenamesSectionToBuffer(
const char* const Filenames[],
size_t FilenamesLen,
RustStringRef BufferOut) {
#if LLVM_VERSION_GE(13,0)
SmallVector<std::string,32> FilenameRefs;
for (size_t i = 0; i < FilenamesLen; i++) {
FilenameRefs.push_back(std::string(Filenames[i]));
}
#else
SmallVector<StringRef,32> FilenameRefs;
for (size_t i = 0; i < FilenamesLen; i++) {
FilenameRefs.push_back(StringRef(Filenames[i]));
}
#endif
auto FilenamesWriter = coverage::CoverageFilenamesSectionWriter(
makeArrayRef(FilenameRefs));
RawRustStringOstream OS(BufferOut);
@ -109,9 +102,5 @@ extern "C" void LLVMRustCoverageWriteMappingVarNameToString(RustStringRef Str) {
}
extern "C" uint32_t LLVMRustCoverageMappingVersion() {
#if LLVM_VERSION_GE(13, 0)
return coverage::CovMapVersion::Version6;
#else
return coverage::CovMapVersion::Version5;
#endif
}

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@ -869,19 +869,11 @@ LLVMRustOptimizeWithNewPassManager(
PGOOptions::NoCSAction, DebugInfoForProfiling);
}
#if LLVM_VERSION_GE(13, 0)
PassBuilder PB(TM, PTO, PGOOpt, &PIC);
LoopAnalysisManager LAM;
FunctionAnalysisManager FAM;
CGSCCAnalysisManager CGAM;
ModuleAnalysisManager MAM;
#else
PassBuilder PB(DebugPassManager, TM, PTO, PGOOpt, &PIC);
LoopAnalysisManager LAM(DebugPassManager);
FunctionAnalysisManager FAM(DebugPassManager);
CGSCCAnalysisManager CGAM(DebugPassManager);
ModuleAnalysisManager MAM(DebugPassManager);
#endif
FAM.registerPass([&] { return PB.buildDefaultAAPipeline(); });
@ -1015,11 +1007,7 @@ LLVMRustOptimizeWithNewPassManager(
}
}
#if LLVM_VERSION_GE(13, 0)
ModulePassManager MPM;
#else
ModulePassManager MPM(DebugPassManager);
#endif
bool NeedThinLTOBufferPasses = UseThinLTOBuffers;
if (!NoPrepopulatePasses) {
// The pre-link pipelines don't support O0 and require using budilO0DefaultPipeline() instead.
@ -1434,17 +1422,13 @@ LLVMRustCreateThinLTOData(LLVMRustThinLTOModule *modules,
Ret->ResolvedODR[ModuleIdentifier][GUID] = NewLinkage;
};
#if LLVM_VERSION_GE(13,0)
// Uses FromPrevailing visibility scheme which works for many binary
// formats. We probably could and should use ELF visibility scheme for many of
// our targets, however.
lto::Config conf;
thinLTOResolvePrevailingInIndex(conf, Ret->Index, isPrevailing, recordNewLinkage,
Ret->GUIDPreservedSymbols);
#else
thinLTOResolvePrevailingInIndex(Ret->Index, isPrevailing, recordNewLinkage,
Ret->GUIDPreservedSymbols);
#endif
// Here we calculate an `ExportedGUIDs` set for use in the `isExported`
// callback below. This callback below will dictate the linkage for all
// summaries in the index, and we basically just only want to ensure that dead

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@ -413,18 +413,12 @@ LLVMRustBuildAtomicCmpXchg(LLVMBuilderRef B, LLVMValueRef Target,
LLVMValueRef Old, LLVMValueRef Source,
LLVMAtomicOrdering Order,
LLVMAtomicOrdering FailureOrder, LLVMBool Weak) {
#if LLVM_VERSION_GE(13,0)
// Rust probably knows the alignment of the target value and should be able to
// specify something more precise than MaybeAlign here. See also
// https://reviews.llvm.org/D97224 which may be a useful reference.
AtomicCmpXchgInst *ACXI = unwrap(B)->CreateAtomicCmpXchg(
unwrap(Target), unwrap(Old), unwrap(Source), llvm::MaybeAlign(), fromRust(Order),
fromRust(FailureOrder));
#else
AtomicCmpXchgInst *ACXI = unwrap(B)->CreateAtomicCmpXchg(
unwrap(Target), unwrap(Old), unwrap(Source), fromRust(Order),
fromRust(FailureOrder));
#endif
ACXI->setWeak(Weak);
return wrap(ACXI);
}
@ -472,19 +466,11 @@ LLVMRustInlineAsm(LLVMTypeRef Ty, char *AsmString, size_t AsmStringLen,
char *Constraints, size_t ConstraintsLen,
LLVMBool HasSideEffects, LLVMBool IsAlignStack,
LLVMRustAsmDialect Dialect, LLVMBool CanThrow) {
#if LLVM_VERSION_GE(13, 0)
return wrap(InlineAsm::get(unwrap<FunctionType>(Ty),
StringRef(AsmString, AsmStringLen),
StringRef(Constraints, ConstraintsLen),
HasSideEffects, IsAlignStack,
fromRust(Dialect), CanThrow));
#else
return wrap(InlineAsm::get(unwrap<FunctionType>(Ty),
StringRef(AsmString, AsmStringLen),
StringRef(Constraints, ConstraintsLen),
HasSideEffects, IsAlignStack,
fromRust(Dialect)));
#endif
}
extern "C" bool LLVMRustInlineAsmVerify(LLVMTypeRef Ty, char *Constraints,
@ -1250,10 +1236,8 @@ static LLVMRustDiagnosticKind toRust(DiagnosticKind Kind) {
return LLVMRustDiagnosticKind::Linker;
case DK_Unsupported:
return LLVMRustDiagnosticKind::Unsupported;
#if LLVM_VERSION_GE(13, 0)
case DK_SrcMgr:
return LLVMRustDiagnosticKind::SrcMgr;
#endif
default:
return (Kind >= DK_FirstRemark && Kind <= DK_LastRemark)
? LLVMRustDiagnosticKind::OptimizationRemarkOther
@ -1327,30 +1311,11 @@ extern "C" LLVMTypeKind LLVMRustGetTypeKind(LLVMTypeRef Ty) {
DEFINE_SIMPLE_CONVERSION_FUNCTIONS(SMDiagnostic, LLVMSMDiagnosticRef)
#if LLVM_VERSION_LT(13, 0)
using LLVMInlineAsmDiagHandlerTy = LLVMContext::InlineAsmDiagHandlerTy;
#else
using LLVMInlineAsmDiagHandlerTy = void*;
#endif
extern "C" void LLVMRustSetInlineAsmDiagnosticHandler(
LLVMContextRef C, LLVMInlineAsmDiagHandlerTy H, void *CX) {
// Diagnostic handlers were unified in LLVM change 5de2d189e6ad, so starting
// with LLVM 13 this function is gone.
#if LLVM_VERSION_LT(13, 0)
unwrap(C)->setInlineAsmDiagnosticHandler(H, CX);
#endif
}
extern "C" LLVMSMDiagnosticRef LLVMRustGetSMDiagnostic(
LLVMDiagnosticInfoRef DI, unsigned *Cookie) {
#if LLVM_VERSION_GE(13, 0)
llvm::DiagnosticInfoSrcMgr *SM = static_cast<llvm::DiagnosticInfoSrcMgr *>(unwrap(DI));
*Cookie = SM->getLocCookie();
return wrap(&SM->getSMDiag());
#else
report_fatal_error("Shouldn't get called on older versions");
#endif
}
extern "C" bool LLVMRustUnpackSMDiagnostic(LLVMSMDiagnosticRef DRef,

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@ -1139,11 +1139,7 @@ pub trait PartialOrd<Rhs: ?Sized = Self>: PartialEq<Rhs> {
#[must_use]
#[stable(feature = "rust1", since = "1.0.0")]
fn le(&self, other: &Rhs) -> bool {
// Pattern `Some(Less | Eq)` optimizes worse than negating `None | Some(Greater)`.
// FIXME: The root cause was fixed upstream in LLVM with:
// https://github.com/llvm/llvm-project/commit/9bad7de9a3fb844f1ca2965f35d0c2a3d1e11775
// Revert this workaround once support for LLVM 12 gets dropped.
!matches!(self.partial_cmp(other), None | Some(Greater))
matches!(self.partial_cmp(other), Some(Less | Equal))
}
/// This method tests greater than (for `self` and `other`) and is used by the `>` operator.

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@ -515,11 +515,11 @@ fn check_llvm_version(builder: &Builder<'_>, llvm_config: &Path) {
let version = output(cmd.arg("--version"));
let mut parts = version.split('.').take(2).filter_map(|s| s.parse::<u32>().ok());
if let (Some(major), Some(_minor)) = (parts.next(), parts.next()) {
if major >= 12 {
if major >= 13 {
return;
}
}
panic!("\n\nbad LLVM version: {}, need >=12.0\n\n", version)
panic!("\n\nbad LLVM version: {}, need >=13.0\n\n", version)
}
fn configure_cmake(

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@ -1,4 +1,4 @@
FROM ubuntu:20.04
FROM ubuntu:22.04
ARG DEBIAN_FRONTEND=noninteractive
RUN apt-get update && apt-get install -y --no-install-recommends \
@ -14,8 +14,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
cmake \
sudo \
gdb \
llvm-12-tools \
llvm-12-dev \
llvm-13-tools \
llvm-13-dev \
libedit-dev \
libssl-dev \
pkg-config \
@ -29,7 +29,7 @@ RUN sh /scripts/sccache.sh
# using llvm-link-shared due to libffi issues -- see #34486
ENV RUST_CONFIGURE_ARGS \
--build=x86_64-unknown-linux-gnu \
--llvm-root=/usr/lib/llvm-12 \
--llvm-root=/usr/lib/llvm-13 \
--enable-llvm-link-shared \
--set rust.thin-lto-import-instr-limit=10
@ -41,4 +41,4 @@ ENV SCRIPT python2.7 ../x.py --stage 1 test --exclude src/tools/tidy && \
# It will also detect tests lacking `// EMIT_MIR_FOR_EACH_BIT_WIDTH`,
# despite having different output on 32-bit vs 64-bit targets.
python2.7 ../x.py --stage 1 test src/test/mir-opt \
--host='' --target=i686-unknown-linux-gnu
--host='' --target=i686-unknown-linux-gnu

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@ -1,4 +1,4 @@
FROM ubuntu:20.04
FROM ubuntu:22.04
ARG DEBIAN_FRONTEND=noninteractive
@ -17,8 +17,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
cmake \
sudo \
gdb \
llvm-12-tools \
llvm-12-dev \
llvm-13-tools \
llvm-13-dev \
libedit-dev \
libssl-dev \
pkg-config \
@ -40,7 +40,7 @@ RUN sh /scripts/sccache.sh
# using llvm-link-shared due to libffi issues -- see #34486
ENV RUST_CONFIGURE_ARGS \
--build=x86_64-unknown-linux-gnu \
--llvm-root=/usr/lib/llvm-12 \
--llvm-root=/usr/lib/llvm-13 \
--enable-llvm-link-shared \
--set rust.thin-lto-import-instr-limit=10

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@ -284,7 +284,7 @@ jobs:
- name: mingw-check
<<: *job-linux-xl
- name: x86_64-gnu-llvm-12
- name: x86_64-gnu-llvm-13
<<: *job-linux-xl
- name: x86_64-gnu-tools
@ -431,12 +431,12 @@ jobs:
- name: x86_64-gnu-distcheck
<<: *job-linux-xl
- name: x86_64-gnu-llvm-12
- name: x86_64-gnu-llvm-13
env:
RUST_BACKTRACE: 1
<<: *job-linux-xl
- name: x86_64-gnu-llvm-12-stage1
- name: x86_64-gnu-llvm-13-stage1
env:
RUST_BACKTRACE: 1
<<: *job-linux-xl

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@ -1,6 +1,5 @@
// Test that PAC instructions are emitted when branch-protection is specified.
// min-llvm-version: 10.0.1
// assembly-output: emit-asm
// compile-flags: --target aarch64-unknown-linux-gnu
// compile-flags: -Z branch-protection=pac-ret,leaf

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@ -1,4 +1,3 @@
// min-llvm-version: 13.0
// assembly-output: emit-asm
// compile-flags: --target avr-unknown-gnu-atmega328
// needs-llvm-components: avr

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@ -1,4 +1,3 @@
// min-llvm-version: 13.0
// assembly-output: emit-asm
// compile-flags: --target avr-unknown-gnu-atmega328
// needs-llvm-components: avr

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@ -1,4 +1,3 @@
// min-llvm-version: 13.0
// assembly-output: emit-asm
// compile-flags: --target bpfel-unknown-none -C target_feature=+alu32
// needs-llvm-components: bpf

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@ -1,4 +1,3 @@
// min-llvm-version: 13.0
// assembly-output: emit-asm
// compile-flags: --target msp430-none-elf
// needs-llvm-components: msp430

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@ -1,4 +1,3 @@
// min-llvm-version: 12.0.1
// revisions: powerpc powerpc64
// assembly-output: emit-asm
//[powerpc] compile-flags: --target powerpc-unknown-linux-gnu

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@ -156,7 +156,6 @@
// [r74] needs-llvm-components: x86
// [r75] compile-flags:--target x86_64-fortanix-unknown-sgx
// [r75] needs-llvm-components: x86
// [r75] min-llvm-version: 11.0.0
// [r76] compile-flags:--target x86_64-fuchsia
// [r76] needs-llvm-components: x86
// [r77] compile-flags:--target x86_64-linux-android

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@ -1,4 +1,3 @@
// min-llvm-version: 13.0.0
// compile-flags: -O
// only-x86_64

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@ -1,84 +0,0 @@
// Code generation of atomic operations for LLVM 12
// ignore-llvm-version: 13 - 99
// compile-flags: -O
#![crate_type = "lib"]
use std::sync::atomic::{AtomicI32, Ordering::*};
// CHECK-LABEL: @compare_exchange
#[no_mangle]
pub fn compare_exchange(a: &AtomicI32) {
// CHECK: cmpxchg i32* %{{.*}}, i32 0, i32 10 monotonic monotonic
// CHECK: cmpxchg i32* %{{.*}}, i32 0, i32 11 acquire acquire
// CHECK: cmpxchg i32* %{{.*}}, i32 0, i32 12 seq_cst seq_cst
let _ = a.compare_exchange(0, 10, Relaxed, Relaxed);
let _ = a.compare_exchange(0, 11, Relaxed, Acquire);
let _ = a.compare_exchange(0, 12, Relaxed, SeqCst);
// CHECK: cmpxchg i32* %{{.*}}, i32 0, i32 20 release monotonic
// CHECK: cmpxchg i32* %{{.*}}, i32 0, i32 21 acq_rel acquire
// CHECK: cmpxchg i32* %{{.*}}, i32 0, i32 22 seq_cst seq_cst
let _ = a.compare_exchange(0, 20, Release, Relaxed);
let _ = a.compare_exchange(0, 21, Release, Acquire);
let _ = a.compare_exchange(0, 22, Release, SeqCst);
// CHECK: cmpxchg i32* %{{.*}}, i32 0, i32 30 acquire monotonic
// CHECK: cmpxchg i32* %{{.*}}, i32 0, i32 31 acquire acquire
// CHECK: cmpxchg i32* %{{.*}}, i32 0, i32 32 seq_cst seq_cst
let _ = a.compare_exchange(0, 30, Acquire, Relaxed);
let _ = a.compare_exchange(0, 31, Acquire, Acquire);
let _ = a.compare_exchange(0, 32, Acquire, SeqCst);
// CHECK: cmpxchg i32* %{{.*}}, i32 0, i32 40 acq_rel monotonic
// CHECK: cmpxchg i32* %{{.*}}, i32 0, i32 41 acq_rel acquire
// CHECK: cmpxchg i32* %{{.*}}, i32 0, i32 42 seq_cst seq_cst
let _ = a.compare_exchange(0, 40, AcqRel, Relaxed);
let _ = a.compare_exchange(0, 41, AcqRel, Acquire);
let _ = a.compare_exchange(0, 42, AcqRel, SeqCst);
// CHECK: cmpxchg i32* %{{.*}}, i32 0, i32 50 seq_cst monotonic
// CHECK: cmpxchg i32* %{{.*}}, i32 0, i32 51 seq_cst acquire
// CHECK: cmpxchg i32* %{{.*}}, i32 0, i32 52 seq_cst seq_cst
let _ = a.compare_exchange(0, 50, SeqCst, Relaxed);
let _ = a.compare_exchange(0, 51, SeqCst, Acquire);
let _ = a.compare_exchange(0, 52, SeqCst, SeqCst);
}
// CHECK-LABEL: @compare_exchange_weak
#[no_mangle]
pub fn compare_exchange_weak(w: &AtomicI32) {
// CHECK: cmpxchg weak i32* %{{.*}}, i32 1, i32 10 monotonic monotonic
// CHECK: cmpxchg weak i32* %{{.*}}, i32 1, i32 11 acquire acquire
// CHECK: cmpxchg weak i32* %{{.*}}, i32 1, i32 12 seq_cst seq_cst
let _ = w.compare_exchange_weak(1, 10, Relaxed, Relaxed);
let _ = w.compare_exchange_weak(1, 11, Relaxed, Acquire);
let _ = w.compare_exchange_weak(1, 12, Relaxed, SeqCst);
// CHECK: cmpxchg weak i32* %{{.*}}, i32 1, i32 20 release monotonic
// CHECK: cmpxchg weak i32* %{{.*}}, i32 1, i32 21 acq_rel acquire
// CHECK: cmpxchg weak i32* %{{.*}}, i32 1, i32 22 seq_cst seq_cst
let _ = w.compare_exchange_weak(1, 20, Release, Relaxed);
let _ = w.compare_exchange_weak(1, 21, Release, Acquire);
let _ = w.compare_exchange_weak(1, 22, Release, SeqCst);
// CHECK: cmpxchg weak i32* %{{.*}}, i32 1, i32 30 acquire monotonic
// CHECK: cmpxchg weak i32* %{{.*}}, i32 1, i32 31 acquire acquire
// CHECK: cmpxchg weak i32* %{{.*}}, i32 1, i32 32 seq_cst seq_cst
let _ = w.compare_exchange_weak(1, 30, Acquire, Relaxed);
let _ = w.compare_exchange_weak(1, 31, Acquire, Acquire);
let _ = w.compare_exchange_weak(1, 32, Acquire, SeqCst);
// CHECK: cmpxchg weak i32* %{{.*}}, i32 1, i32 40 acq_rel monotonic
// CHECK: cmpxchg weak i32* %{{.*}}, i32 1, i32 41 acq_rel acquire
// CHECK: cmpxchg weak i32* %{{.*}}, i32 1, i32 42 seq_cst seq_cst
let _ = w.compare_exchange_weak(1, 40, AcqRel, Relaxed);
let _ = w.compare_exchange_weak(1, 41, AcqRel, Acquire);
let _ = w.compare_exchange_weak(1, 42, AcqRel, SeqCst);
// CHECK: cmpxchg weak i32* %{{.*}}, i32 1, i32 50 seq_cst monotonic
// CHECK: cmpxchg weak i32* %{{.*}}, i32 1, i32 51 seq_cst acquire
// CHECK: cmpxchg weak i32* %{{.*}}, i32 1, i32 52 seq_cst seq_cst
let _ = w.compare_exchange_weak(1, 50, SeqCst, Relaxed);
let _ = w.compare_exchange_weak(1, 51, SeqCst, Acquire);
let _ = w.compare_exchange_weak(1, 52, SeqCst, SeqCst);
}

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// Code generation of atomic operations.
// min-llvm-version: 13.0
// compile-flags: -O
#![crate_type = "lib"]

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// Test that the correct module flags are emitted with different branch protection flags.
// revisions: BTI PACRET LEAF BKEY NONE
// min-llvm-version: 12.0.0
// needs-llvm-components: aarch64
// [BTI] compile-flags: -Z branch-protection=bti
// [PACRET] compile-flags: -Z branch-protection=pac-ret

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// min-llvm-version: 14.0
// revisions: O Os
//[Os] compile-flags: -Copt-level=s
//[O] compile-flags: -O

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@ -1,7 +1,6 @@
//! Tests that unwinding from an asm block is caught and forced to abort
//! when `-C panic=abort`.
// min-llvm-version: 13.0.0
// only-x86_64
// compile-flags: -C panic=abort
// no-prefer-dynamic

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// min-llvm-version: 13.0.0
// only-aarch64
// run-pass
// needs-asm-support

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@ -1,4 +1,3 @@
// min-llvm-version: 13.0.0
// run-pass
// needs-asm-support

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@ -1,4 +1,3 @@
// min-llvm-version: 13.0.0
// only-x86_64
// run-pass
// needs-asm-support

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// min-llvm-version: 12.0.1
// only-x86_64
// only-linux
// needs-asm-support

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// run-pass
// min-llvm-version: 13.0
// compile-flags: -O
// Regression test for issue #80309

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// run-pass
// min-llvm-version: 13.0
// compile-flags: -O
// Regression test for issue #80309