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Add -gcodeview and -gdwarf to control which type Clang emits

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Summary:
By default, 'clang' emits dwarf and 'clang-cl' emits codeview.  You can
force emission of one or both by passing -gcodeview and -gdwarf to
either driver.

Reviewers: dblaikie, hans

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D11742

llvm-svn: 244097
This commit is contained in:
Reid Kleckner
2015-08-05 18:51:13 +00:00
parent b2fda0d95c
commit 124955aade
8 changed files with 68 additions and 10 deletions
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10
clang/lib/Frontend/CompilerInvocation.cpp
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@@ -410,6 +410,13 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
Opts.setDebugInfo(CodeGenOptions::LimitedDebugInfo);
}
Opts.DebugColumnInfo = Args.hasArg(OPT_dwarf_column_info);
if (Args.hasArg(OPT_gcodeview)) {
Opts.EmitCodeView = true;
Opts.DwarfVersion = 0;
} else if (Opts.getDebugInfo() != CodeGenOptions::NoDebugInfo) {
// Default Dwarf version is 4 if we are generating debug information.
Opts.DwarfVersion = 4;
}
Opts.SplitDwarfFile = Args.getLastArgValue(OPT_split_dwarf_file);
if (Args.hasArg(OPT_gdwarf_2))
Opts.DwarfVersion = 2;
@@ -417,9 +424,6 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
Opts.DwarfVersion = 3;
else if (Args.hasArg(OPT_gdwarf_4))
Opts.DwarfVersion = 4;
else if (Opts.getDebugInfo() != CodeGenOptions::NoDebugInfo)
// Default Dwarf version is 4 if we are generating debug information.
Opts.DwarfVersion = 4;
if (const Arg *A =
Args.getLastArg(OPT_emit_llvm_uselists, OPT_no_emit_llvm_uselists))