diff options
Diffstat (limited to 'clang/lib/Frontend/CompilerInvocation.cpp')
| -rw-r--r-- | clang/lib/Frontend/CompilerInvocation.cpp | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp index 8a9844096f0..03db9a17f8b 100644 --- a/clang/lib/Frontend/CompilerInvocation.cpp +++ b/clang/lib/Frontend/CompilerInvocation.cpp @@ -823,8 +823,32 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); Opts.CodeModel = TargetOpts.CodeModel; Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); - Opts.DisableFPElim = - (Args.hasArg(OPT_mdisable_fp_elim) || Args.hasArg(OPT_pg)); + + // Handle -mframe-pointer option. + if (Arg *A = Args.getLastArg(OPT_mframe_pointer_EQ)) { + CodeGenOptions::FramePointerKind FP; + StringRef Name = A->getValue(); + bool ValidFP = true; + if (Name == "none") + FP = CodeGenOptions::FramePointerKind::None; + else if (Name == "non-leaf") + FP = CodeGenOptions::FramePointerKind::NonLeaf; + else if (Name == "all") + FP = CodeGenOptions::FramePointerKind::All; + else { + Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; + Success = false; + ValidFP = false; + } + if (ValidFP) + Opts.setFramePointer(FP); + } + + // -pg may override -mframe-pointer + // TODO: This should be merged into getFramePointerKind in Clang.cpp. + if (Args.hasArg(OPT_pg)) + Opts.setFramePointer(CodeGenOptions::FramePointerKind::All); + Opts.DisableFree = Args.hasArg(OPT_disable_free); Opts.DiscardValueNames = Args.hasArg(OPT_discard_value_names); Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls); @@ -871,7 +895,6 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, Opts.PIECopyRelocations = Args.hasArg(OPT_mpie_copy_relocations); Opts.NoPLT = Args.hasArg(OPT_fno_plt); - Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); Opts.SoftFloat = Args.hasArg(OPT_msoft_float); |
