teach -ftime-report to time the code generator and -emit-llvm times.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64873 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-02-18 01:37:30 +00:00
Родитель 445026698c
Коммит 6f114eb1d6
1 изменённых файлов: 31 добавлений и 1 удалений

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@ -26,6 +26,7 @@
#include "llvm/CodeGen/SchedulerRegistry.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Timer.h"
#include "llvm/System/Path.h"
#include "llvm/System/Program.h"
#include "llvm/Target/SubtargetFeature.h"
@ -45,6 +46,9 @@ namespace {
std::string OutputFile;
bool GenerateDebugInfo;
Timer LLVMIRGeneration;
Timer CodeGenerationTime;
llvm::OwningPtr<CodeGenerator> Gen;
llvm::Module *TheModule;
@ -81,10 +85,13 @@ namespace {
InputFile(infile),
OutputFile(outfile),
GenerateDebugInfo(debug),
LLVMIRGeneration("LLVM IR Generation Time"),
CodeGenerationTime("Code Generation Time"),
Gen(CreateLLVMCodeGen(Diags, langopts, InputFile, GenerateDebugInfo)),
TheModule(0), TheTargetData(0), AsmOutStream(0), ModuleProvider(0),
CodeGenPasses(0), PerModulePasses(0), PerFunctionPasses(0) {
// Enable -time-passes if -ftime-report is enabled.
llvm::TimePassesIsEnabled = CompileOpts.TimePasses;
}
@ -98,22 +105,43 @@ namespace {
}
virtual void InitializeTU(TranslationUnit& TU) {
if (CompileOpts.TimePasses)
LLVMIRGeneration.startTimer();
Gen->InitializeTU(TU);
TheModule = Gen->GetModule();
ModuleProvider = new ExistingModuleProvider(TheModule);
TheTargetData =
new llvm::TargetData(TU.getContext().Target.getTargetDescription());
if (CompileOpts.TimePasses)
LLVMIRGeneration.stopTimer();
}
virtual void HandleTopLevelDecl(Decl *D) {
if (CompileOpts.TimePasses)
LLVMIRGeneration.startTimer();
Gen->HandleTopLevelDecl(D);
if (CompileOpts.TimePasses)
LLVMIRGeneration.stopTimer();
}
virtual void HandleTranslationUnit(TranslationUnit& TU) {
if (CompileOpts.TimePasses)
LLVMIRGeneration.startTimer();
Gen->HandleTranslationUnit(TU);
EmitAssembly();
if (CompileOpts.TimePasses)
LLVMIRGeneration.stopTimer();
// EmitAssembly times itself.
EmitAssembly();
// Force a flush here in case we never get released.
if (AsmOutStream)
AsmOutStream->flush();
@ -326,6 +354,8 @@ void BackendConsumer::EmitAssembly() {
// Silently ignore if we weren't initialized for some reason.
if (!TheModule || !TheTargetData)
return;
TimeRegion Region(CodeGenerationTime);
// Make sure IR generation is happy with the module. This is
// released by the module provider.