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Frontend: Add CodeGenOptions::SimplifyLibCalls, and eliminate LangOptions argument to BackendConsumer. 

llvm-svn: 105574
This commit is contained in:
Daniel Dunbar 2010-06-07 23:19:17 +00:00
parent 8b3b3a1035
commit 6d5824f5bf
3 changed files with 7 additions and 5 deletions
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2
clang/include/clang/CodeGen/CodeGenOptions.h
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@ -55,6 +55,7 @@ public:
unsigned OptimizationLevel : 3; /// The -O[0-4] option specified.
unsigned OptimizeSize : 1; /// If -Os is specified.
unsigned RelaxAll : 1; /// Relax all machine code instructions.
unsigned SimplifyLibCalls : 1; /// Set when -fbuiltin is enabled.
unsigned SoftFloat : 1; /// -soft-float.
unsigned TimePasses : 1; /// Set when -ftime-report is enabled.
unsigned UnitAtATime : 1; /// Unused. For mirroring GCC optimization
@ -110,6 +111,7 @@ public:
OptimizationLevel = 0;
OptimizeSize = 0;
RelaxAll = 0;
SimplifyLibCalls = 1;
SoftFloat = 0;
TimePasses = 0;
UnitAtATime = 1;

8
clang/lib/Frontend/CodeGenAction.cpp
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@ -56,7 +56,6 @@ namespace {
Diagnostic &Diags;
BackendAction Action;
const CodeGenOptions &CodeGenOpts;
const LangOptions &LangOpts;
const TargetOptions &TargetOpts;
llvm::raw_ostream *AsmOutStream;
llvm::formatted_raw_ostream FormattedOutStream;
@ -89,14 +88,13 @@ namespace {
public:
BackendConsumer(BackendAction action, Diagnostic &_Diags,
const LangOptions &langopts, const CodeGenOptions &compopts,
const CodeGenOptions &compopts,
const TargetOptions &targetopts, bool TimePasses,
const std::string &infile, llvm::raw_ostream *OS,
LLVMContext &C) :
Diags(_Diags),
Action(action),
CodeGenOpts(compopts),
LangOpts(langopts),
TargetOpts(targetopts),
AsmOutStream(OS),
LLVMIRGeneration("LLVM IR Generation Time"),
@ -394,7 +392,7 @@ void BackendConsumer::CreatePasses() {
llvm::createStandardModulePasses(PM, OptLevel, CodeGenOpts.OptimizeSize,
CodeGenOpts.UnitAtATime,
CodeGenOpts.UnrollLoops,
/*SimplifyLibCalls=*/!LangOpts.NoBuiltin,
CodeGenOpts.SimplifyLibCalls,
/*HaveExceptions=*/true,
InliningPass);
}
@ -566,7 +564,7 @@ ASTConsumer *CodeGenAction::CreateASTConsumer(CompilerInstance &CI,
if (BA != Backend_EmitNothing && !OS)
return 0;
return new BackendConsumer(BA, CI.getDiagnostics(), CI.getLangOpts(),
return new BackendConsumer(BA, CI.getDiagnostics(),
CI.getCodeGenOpts(), CI.getTargetOpts(),
CI.getFrontendOpts().ShowTimers, InFile, OS.take(),
CI.getLLVMContext());

2
clang/lib/Frontend/CompilerInvocation.cpp
View File

@ -806,6 +806,8 @@ static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args,
Opts.NoCommon = Args.hasArg(OPT_fno_common);
Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float);
Opts.OptimizeSize = Args.hasArg(OPT_Os);
Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) ||
Args.hasArg(OPT_ffreestanding));
Opts.UnrollLoops = (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize);
Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose);