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Adjust getMCSubtargetInfo signature for LLVM 23+

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This commit is contained in:
Devon Loehr
2026-05-04 17:41:27 +00:00
parent cb40c25f6a
commit 596d9853bb
1 changed files with 21 additions and 0 deletions
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compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp
+21
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@@ -91,8 +91,13 @@ extern "C" void LLVMRustTimeTraceProfilerFinish(const char *FileName) {
extern "C" bool LLVMRustHasFeature(LLVMTargetMachineRef TM,
const char *Feature) {
TargetMachine *Target = unwrap(TM);
#if LLVM_VERSION_GE(23, 0)
const MCSubtargetInfo &MCInfo = Target->getMCSubtargetInfo();
return MCInfo.checkFeatures(std::string("+") + Feature);
#else
const MCSubtargetInfo *MCInfo = Target->getMCSubtargetInfo();
return MCInfo->checkFeatures(std::string("+") + Feature);
#endif
}
/// Check whether the target has a specific assembly mnemonic like `ret` or
@@ -274,7 +279,11 @@ static llvm::DebugCompressionType fromRust(LLVMRustCompressionKind Kind) {
extern "C" void LLVMRustPrintTargetCPUs(LLVMTargetMachineRef TM,
RustStringRef OutStr) {
ArrayRef<SubtargetSubTypeKV> CPUTable =
#if LLVM_VERSION_GE(23, 0)
unwrap(TM)->getMCSubtargetInfo().getAllProcessorDescriptions();
#else
unwrap(TM)->getMCSubtargetInfo()->getAllProcessorDescriptions();
#endif
auto OS = RawRustStringOstream(OutStr);
// Just print a bare list of target CPU names, and let Rust-side code handle
@@ -286,9 +295,15 @@ extern "C" void LLVMRustPrintTargetCPUs(LLVMTargetMachineRef TM,
extern "C" size_t LLVMRustGetTargetFeaturesCount(LLVMTargetMachineRef TM) {
const TargetMachine *Target = unwrap(TM);
#if LLVM_VERSION_GE(23, 0)
const MCSubtargetInfo &MCInfo = Target->getMCSubtargetInfo();
const ArrayRef<SubtargetFeatureKV> FeatTable =
MCInfo.getAllProcessorFeatures();
#else
const MCSubtargetInfo *MCInfo = Target->getMCSubtargetInfo();
const ArrayRef<SubtargetFeatureKV> FeatTable =
MCInfo->getAllProcessorFeatures();
#endif
return FeatTable.size();
}
@@ -296,9 +311,15 @@ extern "C" void LLVMRustGetTargetFeature(LLVMTargetMachineRef TM, size_t Index,
const char **Feature,
const char **Desc) {
const TargetMachine *Target = unwrap(TM);
#if LLVM_VERSION_GE(23, 0)
const MCSubtargetInfo &MCInfo = Target->getMCSubtargetInfo();
const ArrayRef<SubtargetFeatureKV> FeatTable =
MCInfo.getAllProcessorFeatures();
#else
const MCSubtargetInfo *MCInfo = Target->getMCSubtargetInfo();
const ArrayRef<SubtargetFeatureKV> FeatTable =
MCInfo->getAllProcessorFeatures();
#endif
const SubtargetFeatureKV Feat = FeatTable[Index];
*Feature = Feat.Key;
*Desc = Feat.Desc;