diff options
| -rw-r--r-- | llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp | 10 | ||||
| -rw-r--r-- | llvm/test/Transforms/GCOVProfiling/modules.ll | 12 |
2 files changed, 22 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp b/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp index d6fdf26ab76..e2968c8480d 100644 --- a/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp +++ b/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp @@ -494,6 +494,11 @@ void GCOVProfiler::emitProfileNotes() { // LTO, we'll generate the same .gcno files. auto *CU = cast<DICompileUnit>(CU_Nodes->getOperand(i)); + + // Skip module skeleton (and module) CUs. + if (CU->getDWOId()) + continue; + std::error_code EC; raw_fd_ostream out(mangleName(CU, "gcno"), EC, sys::fs::F_None); std::string EdgeDestinations; @@ -853,6 +858,11 @@ Function *GCOVProfiler::insertCounterWriteout( if (CU_Nodes) { for (unsigned i = 0, e = CU_Nodes->getNumOperands(); i != e; ++i) { auto *CU = cast<DICompileUnit>(CU_Nodes->getOperand(i)); + + // Skip module skeleton (and module) CUs. + if (CU->getDWOId()) + continue; + std::string FilenameGcda = mangleName(CU, "gcda"); uint32_t CfgChecksum = FileChecksums.empty() ? 0 : FileChecksums[i]; Builder.CreateCall(StartFile, diff --git a/llvm/test/Transforms/GCOVProfiling/modules.ll b/llvm/test/Transforms/GCOVProfiling/modules.ll new file mode 100644 index 00000000000..1a8edfeedd4 --- /dev/null +++ b/llvm/test/Transforms/GCOVProfiling/modules.ll @@ -0,0 +1,12 @@ +; RUN: opt -insert-gcov-profiling -o - < %s | llvm-dis | FileCheck -check-prefix=EMIT-ARCS %s + +; EMIT-ARCS-NOT: call void @llvm_gcda_start_file + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!3, !4} + +!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "LLVM", isOptimized: false, runtimeVersion: 2, splitDebugFilename: "my.dwo", emissionKind: 1, enums: !2, retainedTypes: !2, subprograms: !2, globals: !2, imports: !2, dwoId: 43981) +!1 = !DIFile(filename: "<stdin>", directory: "/") +!2 = !{} +!3 = !{i32 2, !"Dwarf Version", i32 4} +!4 = !{i32 2, !"Debug Info Version", i32 3} |
