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Make DWARF debug flag behavior match Clang.

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Only write the compilation flags to debug info for Mach-O targets, and only
if the RC_DEBUG_OPTIONS environment variable is set.
This commit is contained in:
Tony Allevato
2018-06-09 20:05:06 -07:00
parent db75a6742d
commit 22ac700154
10 changed files with 52 additions and 13 deletions
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14
lib/Frontend/CompilerInvocation.cpp
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@@ -769,12 +769,14 @@ static bool ParseIRGenArgs(IRGenOptions &Opts, ArgList &Args,
"unknown -g<kind> option");
if (Opts.DebugInfoKind > IRGenDebugInfoKind::LineTables) {
ArgStringList RenderedArgs;
for (auto A : Args)
A->render(Args, RenderedArgs);
CompilerInvocation::buildDWARFDebugFlags(Opts.DWARFDebugFlags,
RenderedArgs, SDKPath,
ResourceDir);
if (Args.hasArg(options::OPT_use_dwarf_debug_flags)) {
ArgStringList RenderedArgs;
for (auto A : Args)
A->render(Args, RenderedArgs);
CompilerInvocation::buildDWARFDebugFlags(Opts.DWARFDebugFlags,
RenderedArgs, SDKPath,
ResourceDir);
}
// TODO: Should we support -fdebug-compilation-dir?
llvm::SmallString<256> cwd;
llvm::sys::fs::current_path(cwd);