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Implement -fno-dwarf2-cfi-asm. 

llvm-svn: 130616
This commit is contained in:
Rafael Espindola 2011-04-30 18:35:43 +00:00
parent 9aa91b1f4e
commit e264187cf2
6 changed files with 16 additions and 0 deletions
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1
clang/include/clang/Driver/CC1Options.td
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@ -113,6 +113,7 @@ def dwarf_debug_flags : Separate<"-dwarf-debug-flags">,
def fforbid_guard_variables : Flag<"-fforbid-guard-variables">,
HelpText<"Emit an error if a C++ static local initializer would need a guard variable">;
def g : Flag<"-g">, HelpText<"Generate source level debug information">;
def fno_dwarf2_cfi_asm : Flag<"-fno-dwarf2-cfi-asm">, HelpText<"Don't use the cfi directives">;
def fcatch_undefined_behavior : Flag<"-fcatch-undefined-behavior">,
HelpText<"Generate runtime checks for undefined behavior.">;
def flimit_debug_info : Flag<"-flimit-debug-info">,

2
clang/include/clang/Driver/Options.td
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@ -280,6 +280,8 @@ def fdiagnostics_show_name : Flag<"-fdiagnostics-show-name">, Group<f_Group>;
def fdiagnostics_show_note_include_stack : Flag<"-fdiagnostics-show-note-include-stack">, Group<f_Group>;
def fdiagnostics_show_category_EQ : Joined<"-fdiagnostics-show-category=">, Group<f_clang_Group>;
def fdollars_in_identifiers : Flag<"-fdollars-in-identifiers">, Group<f_Group>;
def fdwarf2_cfi_asm : Flag<"-fdwarf2-cfi-asm">, Group<f_Group>;
def fno_dwarf2_cfi_asm : Flag<"-fno-dwarf2-cfi-asm">, Group<f_Group>;
def felide_constructors : Flag<"-felide-constructors">, Group<f_Group>;
def feliminate_unused_debug_symbols : Flag<"-feliminate-unused-debug-symbols">, Group<f_Group>;
def femit_all_decls : Flag<"-femit-all-decls">, Group<f_Group>;

2
clang/include/clang/Frontend/CodeGenOptions.h
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@ -68,6 +68,7 @@ public:
/// generated.
unsigned MergeAllConstants : 1; /// Merge identical constants.
unsigned NoCommon : 1; /// Set when -fno-common or C++ is enabled.
unsigned NoDwarf2CFIAsm : 1; /// Set when -fno-dwarf2-cfi-asm is enabled.
unsigned NoImplicitFloat : 1; /// Set when -mno-implicit-float is enabled.
unsigned NoInfsFPMath : 1; /// Assume FP arguments, results not +-Inf.
unsigned NoNaNsFPMath : 1; /// Assume FP arguments, results not NaN.
@ -148,6 +149,7 @@ public:
LessPreciseFPMAD = 0;
MergeAllConstants = 1;
NoCommon = 0;
NoDwarf2CFIAsm = 0;
NoImplicitFloat = 0;
NoInfsFPMath = 0;
NoNaNsFPMath = 0;

2
clang/lib/CodeGen/BackendUtil.cpp
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@ -280,6 +280,8 @@ bool EmitAssemblyHelper::AddEmitPasses(BackendAction Action,
TM->setMCRelaxAll(true);
if (CodeGenOpts.SaveTempLabels)
TM->setMCSaveTempLabels(true);
if (CodeGenOpts.NoDwarf2CFIAsm)
TM->setMCUseCFI(false);
// Create the code generator passes.
PassManager *PM = getCodeGenPasses();

6
clang/lib/Driver/Tools.cpp
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@ -1375,6 +1375,12 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
CmdArgs.push_back("-fno-gnu-keywords");
}
if (Arg *A = Args.getLastArg(options::OPT_fdwarf2_cfi_asm,
options::OPT_fno_dwarf2_cfi_asm)) {
if (A->getOption().matches(options::OPT_fno_dwarf2_cfi_asm))
CmdArgs.push_back("-fno-dwarf2-cfi-asm");
}
if (Arg *A = Args.getLastArg(options::OPT_ftemplate_depth_)) {
CmdArgs.push_back("-ftemplate-depth");
CmdArgs.push_back(A->getValue(Args));

3
clang/lib/Frontend/CompilerInvocation.cpp
View File

@ -203,6 +203,8 @@ static void CodeGenOptsToArgs(const CodeGenOptions &Opts,
Res.push_back("-mrelax-all");
if (Opts.SaveTempLabels)
Res.push_back("-msave-temp-labels");
if (Opts.NoDwarf2CFIAsm)
Res.push_back("-fno-dwarf2-cfi-asm");
if (Opts.SoftFloat)
Res.push_back("-msoft-float");
if (Opts.UnwindTables)
@ -955,6 +957,7 @@ static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
Opts.RelaxAll = Args.hasArg(OPT_mrelax_all);
Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer);
Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels);
Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm);
Opts.SoftFloat = Args.hasArg(OPT_msoft_float);
Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) ||
Args.hasArg(OPT_cl_fast_relaxed_math);