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-rw-r--r--clang/lib/Driver/Tools.cpp18
1 files changed, 16 insertions, 2 deletions
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 043d9958b3c..759e91752a5 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -3678,6 +3678,9 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
}
}
+ // Forward -gcodeview.
+ Args.AddLastArg(CmdArgs, options::OPT_gcodeview);
+
// We ignore flags -gstrict-dwarf and -grecord-gcc-switches for now.
Args.ClaimAllArgs(options::OPT_g_flags_Group);
if (Args.hasFlag(options::OPT_gcolumn_info, options::OPT_gno_column_info,
@@ -5270,6 +5273,16 @@ void Clang::AddClangCLArgs(const ArgList &Args, ArgStringList &CmdArgs) const {
/*default=*/false))
CmdArgs.push_back("-fno-rtti-data");
+ // Emit CodeView if -Z7 is present.
+ bool EmitCodeView = Args.hasArg(options::OPT__SLASH_Z7);
+ bool EmitDwarf = Args.hasArg(options::OPT_gdwarf);
+ // If we are emitting CV but not DWARF, don't build information that LLVM
+ // can't yet process.
+ if (EmitCodeView && !EmitDwarf)
+ CmdArgs.push_back("-gline-tables-only");
+ if (EmitCodeView)
+ CmdArgs.push_back("-gcodeview");
+
const Driver &D = getToolChain().getDriver();
EHFlags EH = parseClangCLEHFlags(D, Args);
// FIXME: Do something with NoExceptC.
@@ -8820,7 +8833,7 @@ void visualstudio::Linker::ConstructJob(Compilation &C, const JobAction &JA,
CmdArgs.push_back("-nologo");
- if (Args.hasArg(options::OPT_g_Group))
+ if (Args.hasArg(options::OPT_g_Group, options::OPT__SLASH_Z7))
CmdArgs.push_back("-debug");
bool DLL = Args.hasArg(options::OPT__SLASH_LD, options::OPT__SLASH_LDd,
@@ -8976,7 +8989,8 @@ std::unique_ptr<Command> visualstudio::Compiler::GetCommand(
A->getOption().getID() == options::OPT_fdata_sections ? "/Gw" : "/Gw-");
if (Args.hasArg(options::OPT_fsyntax_only))
CmdArgs.push_back("/Zs");
- if (Args.hasArg(options::OPT_g_Flag, options::OPT_gline_tables_only))
+ if (Args.hasArg(options::OPT_g_Flag, options::OPT_gline_tables_only,
+ options::OPT__SLASH_Z7))
CmdArgs.push_back("/Z7");
std::vector<std::string> Includes =
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