Move LLVM backend options to explicit clang-cc / clang -cc1 options, which we then manually pass to the command line library; eventually the latter grossness should be fixed by a real API when creating the target machine.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90063 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/Backend.cpp b/lib/Frontend/Backend.cpp
index 85aeaeb..12bb5a8 100644
--- a/lib/Frontend/Backend.cpp
+++ b/lib/Frontend/Backend.cpp
@@ -212,6 +212,39 @@
return false;
}
+ // FIXME: Expose these capabilities via actual APIs!!!! Aside from just
+ // being gross, this is also totally broken if we ever care about
+ // concurrency.
+ std::vector<const char *> BackendArgs;
+ BackendArgs.push_back("clang"); // Fake program name.
+ if (CodeGenOpts.AsmVerbose)
+ BackendArgs.push_back("-asm-verbose");
+ if (!CodeGenOpts.CodeModel.empty()) {
+ BackendArgs.push_back("-code-model");
+ BackendArgs.push_back(CodeGenOpts.CodeModel.c_str());
+ }
+ if (!CodeGenOpts.DebugPass.empty()) {
+ BackendArgs.push_back("-debug-pass");
+ BackendArgs.push_back(CodeGenOpts.DebugPass.c_str());
+ }
+ if (CodeGenOpts.DisableFPElim)
+ BackendArgs.push_back("-disable-fp-elim");
+ if (!CodeGenOpts.LimitFloatPrecision.empty()) {
+ BackendArgs.push_back("-limit-float-precision");
+ BackendArgs.push_back(CodeGenOpts.LimitFloatPrecision.c_str());
+ }
+ if (CodeGenOpts.NoZeroInitializedInBSS)
+ BackendArgs.push_back("-nozero-initialized-in-bss");
+ BackendArgs.push_back("-relocation-model");
+ BackendArgs.push_back(CodeGenOpts.RelocationModel.c_str());
+ if (CodeGenOpts.TimePasses)
+ BackendArgs.push_back("-time-passes");
+ if (CodeGenOpts.UnwindTables)
+ BackendArgs.push_back("-unwind-tables");
+ BackendArgs.push_back(0);
+ llvm::cl::ParseCommandLineOptions(BackendArgs.size() - 1,
+ (char**) &BackendArgs[0]);
+
std::string FeaturesStr;
if (TargetOpts.CPU.size() || TargetOpts.Features.size()) {
SubtargetFeatures Features;