diff --git a/clang/test/CodeGen/debug-info-codeview-buildinfo.c b/clang/test/CodeGen/debug-info-codeview-buildinfo.c --- a/clang/test/CodeGen/debug-info-codeview-buildinfo.c +++ b/clang/test/CodeGen/debug-info-codeview-buildinfo.c @@ -8,6 +8,10 @@ // RUN: %clang_cl -gno-codeview-command-line --target=i686-windows-msvc /c /Z7 /Fo%t.obj -- %s // RUN: llvm-pdbutil dump --types %t.obj | FileCheck %s --check-prefix DISABLE +// -fmessage length shouldn't be included in the command line since it breaks reproducibility +// RUN: %clang_cl -gcodeview-command-line --target=i686-windows-msvc -Xclang -fmessage-length=100 /c /Z7 /Fo%t.obj -- %s +// RUN: llvm-pdbutil dump --types %t.obj | FileCheck %s --check-prefix MESSAGELEN + int main(void) { return 42; } // CHECK: Types (.debug$T) @@ -36,3 +40,8 @@ // DISABLE-NEXT: 0x{{.+}}: `{{.*}}` // DISABLE-NEXT: 0x{{.+}}: `` // DISABLE-NEXT: : `` + +// MESSAGELEN: Types (.debug$T) +// MESSAGELEN: ============================================================ +// MESSAGELEN: 0x{{.+}} | LF_BUILDINFO [size = {{.+}}] +// MESSAGELEN-NOT: 0x{{.+}}: `"{{.+}}-fmessage-length= diff --git a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp --- a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp @@ -908,6 +908,9 @@ } if (Arg.startswith("-object-file-name") || Arg == MainFilename) continue; + // Skip fmessage-length for reproduciability + if (Arg.startswith("-fmessage-length")) + continue; if (PrintedOneArg) OS << " "; llvm::sys::printArg(OS, Arg, /*Quote=*/true);