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Driver/no-integrated-as: Fix forwarding of -g flag to assembler, when .s input 

undergoes preprocessing.

llvm-svn: 129414
This commit is contained in:
Daniel Dunbar 2011-04-12 23:59:20 +00:00
parent 539d96f01d
commit dc8355e81a
1 changed files with 10 additions and 5 deletions
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15
clang/lib/Driver/Tools.cpp
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@ -2604,11 +2604,16 @@ void darwin::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
assert(Inputs.size() == 1 && "Unexpected number of inputs.");
const InputInfo &Input = Inputs[0];
// Bit of a hack, this is only used for original inputs.
//
// FIXME: This is broken for preprocessed .s inputs.
if (Input.isFilename() &&
strcmp(Input.getFilename(), Input.getBaseInput()) == 0) {
// Determine the original source input.
const Action *SourceAction = &JA;
while (SourceAction->getKind() != Action::InputClass) {
assert(!SourceAction->getInputs().empty() && "unexpected root action!");
SourceAction = SourceAction->getInputs()[0];
}
// Forward -g, assuming we are dealing with an actual assembly file.
if (SourceAction->getType() == types::TY_Asm ||
SourceAction->getType() == types::TY_PP_Asm) {
if (Args.hasArg(options::OPT_gstabs))
CmdArgs.push_back("--gstabs");
else if (Args.hasArg(options::OPT_g_Group))