mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-30 20:44:34 +00:00
107 lines
3.6 KiB
C++
107 lines
3.6 KiB
C++
#include "LLVMWrapper.h"
|
|
#include "llvm/ProfileData/Coverage/CoverageMapping.h"
|
|
#include "llvm/ProfileData/Coverage/CoverageMappingWriter.h"
|
|
#include "llvm/ProfileData/InstrProf.h"
|
|
#include "llvm/ADT/ArrayRef.h"
|
|
|
|
#include <iostream>
|
|
|
|
using namespace llvm;
|
|
|
|
struct LLVMRustCounterMappingRegion {
|
|
coverage::Counter Count;
|
|
coverage::Counter FalseCount;
|
|
uint32_t FileID;
|
|
uint32_t ExpandedFileID;
|
|
uint32_t LineStart;
|
|
uint32_t ColumnStart;
|
|
uint32_t LineEnd;
|
|
uint32_t ColumnEnd;
|
|
coverage::CounterMappingRegion::RegionKind Kind;
|
|
};
|
|
|
|
extern "C" void LLVMRustCoverageWriteFilenamesSectionToBuffer(
|
|
const char* const Filenames[],
|
|
size_t FilenamesLen,
|
|
RustStringRef BufferOut) {
|
|
SmallVector<std::string,32> FilenameRefs;
|
|
for (size_t i = 0; i < FilenamesLen; i++) {
|
|
FilenameRefs.push_back(std::string(Filenames[i]));
|
|
}
|
|
auto FilenamesWriter = coverage::CoverageFilenamesSectionWriter(
|
|
makeArrayRef(FilenameRefs));
|
|
RawRustStringOstream OS(BufferOut);
|
|
FilenamesWriter.write(OS);
|
|
}
|
|
|
|
extern "C" void LLVMRustCoverageWriteMappingToBuffer(
|
|
const unsigned *VirtualFileMappingIDs,
|
|
unsigned NumVirtualFileMappingIDs,
|
|
const coverage::CounterExpression *Expressions,
|
|
unsigned NumExpressions,
|
|
LLVMRustCounterMappingRegion *RustMappingRegions,
|
|
unsigned NumMappingRegions,
|
|
RustStringRef BufferOut) {
|
|
// Convert from FFI representation to LLVM representation.
|
|
SmallVector<coverage::CounterMappingRegion, 0> MappingRegions;
|
|
MappingRegions.reserve(NumMappingRegions);
|
|
for (const auto &Region : makeArrayRef(RustMappingRegions, NumMappingRegions)) {
|
|
MappingRegions.emplace_back(
|
|
Region.Count, Region.FalseCount, Region.FileID, Region.ExpandedFileID,
|
|
Region.LineStart, Region.ColumnStart, Region.LineEnd, Region.ColumnEnd,
|
|
Region.Kind);
|
|
}
|
|
auto CoverageMappingWriter = coverage::CoverageMappingWriter(
|
|
makeArrayRef(VirtualFileMappingIDs, NumVirtualFileMappingIDs),
|
|
makeArrayRef(Expressions, NumExpressions),
|
|
MappingRegions);
|
|
RawRustStringOstream OS(BufferOut);
|
|
CoverageMappingWriter.write(OS);
|
|
}
|
|
|
|
extern "C" LLVMValueRef LLVMRustCoverageCreatePGOFuncNameVar(LLVMValueRef F, const char *FuncName) {
|
|
StringRef FuncNameRef(FuncName);
|
|
return wrap(createPGOFuncNameVar(*cast<Function>(unwrap(F)), FuncNameRef));
|
|
}
|
|
|
|
extern "C" uint64_t LLVMRustCoverageHashCString(const char *StrVal) {
|
|
StringRef StrRef(StrVal);
|
|
return IndexedInstrProf::ComputeHash(StrRef);
|
|
}
|
|
|
|
extern "C" uint64_t LLVMRustCoverageHashByteArray(
|
|
const char *Bytes,
|
|
unsigned NumBytes) {
|
|
StringRef StrRef(Bytes, NumBytes);
|
|
return IndexedInstrProf::ComputeHash(StrRef);
|
|
}
|
|
|
|
static void WriteSectionNameToString(LLVMModuleRef M,
|
|
InstrProfSectKind SK,
|
|
RustStringRef Str) {
|
|
Triple TargetTriple(unwrap(M)->getTargetTriple());
|
|
auto name = getInstrProfSectionName(SK, TargetTriple.getObjectFormat());
|
|
RawRustStringOstream OS(Str);
|
|
OS << name;
|
|
}
|
|
|
|
extern "C" void LLVMRustCoverageWriteMapSectionNameToString(LLVMModuleRef M,
|
|
RustStringRef Str) {
|
|
WriteSectionNameToString(M, IPSK_covmap, Str);
|
|
}
|
|
|
|
extern "C" void LLVMRustCoverageWriteFuncSectionNameToString(LLVMModuleRef M,
|
|
RustStringRef Str) {
|
|
WriteSectionNameToString(M, IPSK_covfun, Str);
|
|
}
|
|
|
|
extern "C" void LLVMRustCoverageWriteMappingVarNameToString(RustStringRef Str) {
|
|
auto name = getCoverageMappingVarName();
|
|
RawRustStringOstream OS(Str);
|
|
OS << name;
|
|
}
|
|
|
|
extern "C" uint32_t LLVMRustCoverageMappingVersion() {
|
|
return coverage::CovMapVersion::Version6;
|
|
}
|