diff options
Diffstat (limited to 'llvm/tools/llvm-mca/CodeRegionGenerator.cpp')
| -rw-r--r-- | llvm/tools/llvm-mca/CodeRegionGenerator.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/llvm/tools/llvm-mca/CodeRegionGenerator.cpp b/llvm/tools/llvm-mca/CodeRegionGenerator.cpp index 831b76ab80cf..6ad2a65592b9 100644 --- a/llvm/tools/llvm-mca/CodeRegionGenerator.cpp +++ b/llvm/tools/llvm-mca/CodeRegionGenerator.cpp @@ -106,11 +106,21 @@ void MCACommentConsumer::HandleComment(SMLoc Loc, StringRef CommentText) { Regions.beginRegion(Comment, Loc); } -Expected<const CodeRegions &> AsmCodeRegionGenerator::parseCodeRegions() { +Expected<const CodeRegions &> AsmCodeRegionGenerator::parseCodeRegions( + const std::unique_ptr<MCInstPrinter> &IP) { MCTargetOptions Opts; Opts.PreserveAsmComments = false; MCStreamerWrapper Str(Ctx, Regions); + // Need to initialize an MCTargetStreamer otherwise + // certain asm directives will cause a segfault. + // Using nulls() so that anything emitted by the MCTagetStreamer + // doesn't show up in the llvm-mca output. + raw_ostream &OSRef = nulls(); + formatted_raw_ostream FOSRef(OSRef); + TheTarget.createAsmTargetStreamer(Str, FOSRef, IP.get(), + /*IsVerboseAsm=*/true); + // Create a MCAsmParser and setup the lexer to recognize llvm-mca ASM // comments. std::unique_ptr<MCAsmParser> Parser( |