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