1 #include "LLVMWrapper.h"
2 #include "llvm/ProfileData/Coverage/CoverageMapping.h"
3 #include "llvm/ProfileData/Coverage/CoverageMappingWriter.h"
4 #include "llvm/ProfileData/InstrProf.h"
5 #include "llvm/ADT/ArrayRef.h"
11 struct LLVMRustCounterMappingRegion {
12 coverage::Counter Count;
13 coverage::Counter FalseCount;
15 uint32_t ExpandedFileID;
20 coverage::CounterMappingRegion::RegionKind Kind;
23 extern "C" void LLVMRustCoverageWriteFilenamesSectionToBuffer(
24 const char* const Filenames[],
26 RustStringRef BufferOut) {
27 SmallVector<std::string,32> FilenameRefs;
28 for (size_t i = 0; i < FilenamesLen; i++) {
29 FilenameRefs.push_back(std::string(Filenames[i]));
31 auto FilenamesWriter = coverage::CoverageFilenamesSectionWriter(
32 makeArrayRef(FilenameRefs));
33 RawRustStringOstream OS(BufferOut);
34 FilenamesWriter.write(OS);
37 extern "C" void LLVMRustCoverageWriteMappingToBuffer(
38 const unsigned *VirtualFileMappingIDs,
39 unsigned NumVirtualFileMappingIDs,
40 const coverage::CounterExpression *Expressions,
41 unsigned NumExpressions,
42 LLVMRustCounterMappingRegion *RustMappingRegions,
43 unsigned NumMappingRegions,
44 RustStringRef BufferOut) {
45 // Convert from FFI representation to LLVM representation.
46 SmallVector<coverage::CounterMappingRegion, 0> MappingRegions;
47 MappingRegions.reserve(NumMappingRegions);
48 for (const auto &Region : makeArrayRef(RustMappingRegions, NumMappingRegions)) {
49 MappingRegions.emplace_back(
50 Region.Count, Region.FalseCount, Region.FileID, Region.ExpandedFileID,
51 Region.LineStart, Region.ColumnStart, Region.LineEnd, Region.ColumnEnd,
54 auto CoverageMappingWriter = coverage::CoverageMappingWriter(
55 makeArrayRef(VirtualFileMappingIDs, NumVirtualFileMappingIDs),
56 makeArrayRef(Expressions, NumExpressions),
58 RawRustStringOstream OS(BufferOut);
59 CoverageMappingWriter.write(OS);
62 extern "C" LLVMValueRef LLVMRustCoverageCreatePGOFuncNameVar(LLVMValueRef F, const char *FuncName) {
63 StringRef FuncNameRef(FuncName);
64 return wrap(createPGOFuncNameVar(*cast<Function>(unwrap(F)), FuncNameRef));
67 extern "C" uint64_t LLVMRustCoverageHashCString(const char *StrVal) {
68 StringRef StrRef(StrVal);
69 return IndexedInstrProf::ComputeHash(StrRef);
72 extern "C" uint64_t LLVMRustCoverageHashByteArray(
75 StringRef StrRef(Bytes, NumBytes);
76 return IndexedInstrProf::ComputeHash(StrRef);
79 static void WriteSectionNameToString(LLVMModuleRef M,
82 Triple TargetTriple(unwrap(M)->getTargetTriple());
83 auto name = getInstrProfSectionName(SK, TargetTriple.getObjectFormat());
84 RawRustStringOstream OS(Str);
88 extern "C" void LLVMRustCoverageWriteMapSectionNameToString(LLVMModuleRef M,
90 WriteSectionNameToString(M, IPSK_covmap, Str);
93 extern "C" void LLVMRustCoverageWriteFuncSectionNameToString(LLVMModuleRef M,
95 WriteSectionNameToString(M, IPSK_covfun, Str);
98 extern "C" void LLVMRustCoverageWriteMappingVarNameToString(RustStringRef Str) {
99 auto name = getCoverageMappingVarName();
100 RawRustStringOstream OS(Str);
104 extern "C" uint32_t LLVMRustCoverageMappingVersion() {
105 return coverage::CovMapVersion::Version6;