bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

coverage. Disable supporting mcdc on llvm-18

Browse source
This commit is contained in:
zhuyunxing 2024-06-19 17:49:10 +08:00
parent 3ae715c8c6
commit 911ac56e95
13 changed files with 38 additions and 54 deletions
Download patch file Download diff file Expand all files Collapse all files

45
compiler/rustc_llvm/llvm-wrapper/CoverageMappingWrapper.cpp
View file

@ -88,38 +88,7 @@ struct LLVMRustMCDCParameters {
LLVMRustMCDCBranchParameters BranchParameters;
};
// LLVM representations for `MCDCParameters` evolved from LLVM 18 to 19.
// Look at representations in 18
// https://github.com/rust-lang/llvm-project/blob/66a2881a/llvm/include/llvm/ProfileData/Coverage/CoverageMapping.h#L253-L263
// and representations in 19
// https://github.com/llvm/llvm-project/blob/843cc474faefad1d639f4c44c1cf3ad7dbda76c8/llvm/include/llvm/ProfileData/Coverage/MCDCTypes.h
#if LLVM_VERSION_LT(19, 0)
static coverage::CounterMappingRegion::MCDCParameters
fromRust(LLVMRustMCDCParameters Params) {
auto parameter = coverage::CounterMappingRegion::MCDCParameters{};
switch (Params.Tag) {
case LLVMRustMCDCParametersTag::None:
return parameter;
case LLVMRustMCDCParametersTag::Decision:
parameter.BitmapIdx =
static_cast<unsigned>(Params.DecisionParameters.BitmapIdx),
parameter.NumConditions =
static_cast<unsigned>(Params.DecisionParameters.NumConditions);
return parameter;
case LLVMRustMCDCParametersTag::Branch:
parameter.ID = static_cast<coverage::CounterMappingRegion::MCDCConditionID>(
Params.BranchParameters.ConditionID),
parameter.FalseID =
static_cast<coverage::CounterMappingRegion::MCDCConditionID>(
Params.BranchParameters.ConditionIDs[0]),
parameter.TrueID =
static_cast<coverage::CounterMappingRegion::MCDCConditionID>(
Params.BranchParameters.ConditionIDs[1]);
return parameter;
}
report_fatal_error("Bad LLVMRustMCDCParametersTag!");
}
#else
#if LLVM_VERSION_GE(19, 0)
static coverage::mcdc::Parameters fromRust(LLVMRustMCDCParameters Params) {
switch (Params.Tag) {
case LLVMRustMCDCParametersTag::None:
@ -214,13 +183,17 @@ extern "C" void LLVMRustCoverageWriteMappingToBuffer(
RustMappingRegions, NumMappingRegions)) {
MappingRegions.emplace_back(
fromRust(Region.Count), fromRust(Region.FalseCount),
#if LLVM_VERSION_LT(19, 0)
// LLVM 19 may move this argument to last.
fromRust(Region.MCDCParameters),
#if LLVM_VERSION_GE(18, 0) && LLVM_VERSION_LT(19, 0)
coverage::CounterMappingRegion::MCDCParameters{},
#endif
Region.FileID, Region.ExpandedFileID, // File IDs, then region info.
Region.LineStart, Region.ColumnStart, Region.LineEnd, Region.ColumnEnd,
fromRust(Region.Kind));
fromRust(Region.Kind)
#if LLVM_VERSION_GE(19, 0)
,
fromRust(Region.MCDCParameters)
#endif
);
}
std::vector<coverage::CounterExpression> Expressions;

14
compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
View file

@ -1539,23 +1539,21 @@ LLVMRustGetInstrProfIncrementIntrinsic(LLVMModuleRef M) {
extern "C" LLVMValueRef
LLVMRustGetInstrProfMCDCParametersIntrinsic(LLVMModuleRef M) {
#if LLVM_VERSION_GE(19, 0)
return wrap(llvm::Intrinsic::getDeclaration(
unwrap(M), llvm::Intrinsic::instrprof_mcdc_parameters));
#else
report_fatal_error("LLVM 19.0 is required for mcdc intrinsic functions");
#endif
}
extern "C" LLVMValueRef
LLVMRustGetInstrProfMCDCTVBitmapUpdateIntrinsic(LLVMModuleRef M) {
#if LLVM_VERSION_GE(19, 0)
return wrap(llvm::Intrinsic::getDeclaration(
unwrap(M), llvm::Intrinsic::instrprof_mcdc_tvbitmap_update));
}
extern "C" LLVMValueRef
LLVMRustGetInstrProfMCDCCondBitmapIntrinsic(LLVMModuleRef M) {
#if LLVM_VERSION_LT(19, 0)
return wrap(llvm::Intrinsic::getDeclaration(
unwrap(M), llvm::Intrinsic::instrprof_mcdc_condbitmap_update));
#else
report_fatal_error("LLVM 18.0 is required for mcdc intrinsic functions");
report_fatal_error("LLVM 19.0 is required for mcdc intrinsic functions");
#endif
}