avt77 updated this revision to Diff 143311. avt77 added a comment. I fixed issues raised by efriedma.
https://reviews.llvm.org/D45619 Files: include/clang/Frontend/Utils.h lib/CodeGen/BackendUtil.cpp lib/CodeGen/CodeGenAction.cpp lib/Frontend/CMakeLists.txt lib/Frontend/FrontendTiming.cpp test/Frontend/ftime-report-template-decl.cpp
Index: test/Frontend/ftime-report-template-decl.cpp =================================================================== --- test/Frontend/ftime-report-template-decl.cpp +++ test/Frontend/ftime-report-template-decl.cpp @@ -0,0 +1,159 @@ +// RUN: %clang_cc1 %s -emit-llvm -o - -ftime-report 2>&1 | FileCheck %s +// RUN: %clang_cc1 %s -emit-llvm -o - -fdelayed-template-parsing -DDELAYED_TEMPLATE_PARSING -ftime-report 2>&1 | FileCheck %s + +// Template function declarations +template <typename T> +void foo(); +template <typename T, typename U> +void foo(); + +// Template function definitions. +template <typename T> +void foo() {} + +// Template class (forward) declarations +template <typename T> +struct A; +template <typename T, typename U> +struct b; +template <typename> +struct C; +template <typename, typename> +struct D; + +// Forward declarations with default parameters? +template <typename T = int> +class X1; +template <typename = int> +class X2; + +// Forward declarations w/template template parameters +template <template <typename> class T> +class TTP1; +template <template <typename> class> +class TTP2; +template <template <typename X, typename Y> class T> +class TTP5; + +// Forward declarations with non-type params +template <int> +class NTP0; +template <int N> +class NTP1; +template <int N = 5> +class NTP2; +template <int = 10> +class NTP3; +template <unsigned int N = 12u> +class NTP4; +template <unsigned int = 12u> +class NTP5; +template <unsigned = 15u> +class NTP6; +template <typename T, T Obj> +class NTP7; + +// Template class declarations +template <typename T> +struct A {}; +template <typename T, typename U> +struct B {}; + +namespace PR6184 { +namespace N { +template <typename T> +void bar(typename T::x); +} + +template <typename T> +void N::bar(typename T::x) {} +} + +// This PR occurred only in template parsing mode. +namespace PR17637 { +template <int> +struct L { + template <typename T> + struct O { + template <typename U> + static void Fun(U); + }; +}; + +template <int k> +template <typename T> +template <typename U> +void L<k>::O<T>::Fun(U) {} + +void Instantiate() { L<0>::O<int>::Fun(0); } +} + +namespace explicit_partial_specializations { +typedef char (&oneT)[1]; +typedef char (&twoT)[2]; +typedef char (&threeT)[3]; +typedef char (&fourT)[4]; +typedef char (&fiveT)[5]; +typedef char (&sixT)[6]; + +char one[1]; +char two[2]; +char three[3]; +char four[4]; +char five[5]; +char six[6]; + +template <bool b> +struct bool_ { typedef int type; }; +template <> +struct bool_<false> {}; + +#define XCAT(x, y) x##y +#define CAT(x, y) XCAT(x, y) +#define sassert(_b_) bool_<(_b_)>::type CAT(var, __LINE__); + +template <int> +struct L { + template <typename T> + struct O { + template <typename U> + static oneT Fun(U); + }; +}; +template <int k> +template <typename T> +template <typename U> +oneT L<k>::O<T>::Fun(U) { return one; } + +template <> +template <> +template <typename U> +oneT L<0>::O<char>::Fun(U) { return one; } + +void Instantiate() { + sassert(sizeof(L<0>::O<int>::Fun(0)) == sizeof(one)); + sassert(sizeof(L<0>::O<char>::Fun(0)) == sizeof(one)); +} +} + +template <class> +struct Foo { + template <class _Other> + using rebind_alloc = _Other; +}; +template <class _Alloc> +struct _Wrap_alloc { + template <class _Other> + using rebind_alloc = typename Foo<_Alloc>::template rebind_alloc<_Other>; + template <class> + using rebind = _Wrap_alloc; +}; +_Wrap_alloc<int>::rebind<int> w; + +// CHECK: Miscellaneous Ungrouped Timers +// CHECK: LLVM IR Generation Time +// CHECK: Code Generation Time +// CHECK: Total +// CHECK: Clang front-end time report +// CHECK: Clang front-end timer +// CHECK: Total Index: lib/Frontend/FrontendTiming.cpp =================================================================== --- lib/Frontend/FrontendTiming.cpp +++ lib/Frontend/FrontendTiming.cpp @@ -0,0 +1,20 @@ +//===- FronendTiming.cpp - Implements Frontend timing utils --------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file keps implementation of frontend timing utils. +// +//===----------------------------------------------------------------------===// + +#include "clang/Frontend/Utils.h" + +namespace clang { + +bool FrontendTimesIsEnabled = false; + +} Index: lib/Frontend/CMakeLists.txt =================================================================== --- lib/Frontend/CMakeLists.txt +++ lib/Frontend/CMakeLists.txt @@ -29,6 +29,7 @@ FrontendAction.cpp FrontendActions.cpp FrontendOptions.cpp + FrontendTiming.cpp HeaderIncludeGen.cpp InitHeaderSearch.cpp InitPreprocessor.cpp Index: lib/CodeGen/CodeGenAction.cpp =================================================================== --- lib/CodeGen/CodeGenAction.cpp +++ lib/CodeGen/CodeGenAction.cpp @@ -126,7 +126,7 @@ Gen(CreateLLVMCodeGen(Diags, InFile, HeaderSearchOpts, PPOpts, CodeGenOpts, C, CoverageInfo)), LinkModules(std::move(LinkModules)) { - llvm::TimePassesIsEnabled = TimePasses; + FrontendTimesIsEnabled = TimePasses; } llvm::Module *getModule() const { return Gen->GetModule(); } std::unique_ptr<llvm::Module> takeModule() { @@ -144,12 +144,12 @@ Context = &Ctx; - if (llvm::TimePassesIsEnabled) + if (FrontendTimesIsEnabled) LLVMIRGeneration.startTimer(); Gen->Initialize(Ctx); - if (llvm::TimePassesIsEnabled) + if (FrontendTimesIsEnabled) LLVMIRGeneration.stopTimer(); } @@ -159,15 +159,15 @@ "LLVM IR generation of declaration"); // Recurse. - if (llvm::TimePassesIsEnabled) { + if (FrontendTimesIsEnabled) { LLVMIRGenerationRefCount += 1; if (LLVMIRGenerationRefCount == 1) LLVMIRGeneration.startTimer(); } Gen->HandleTopLevelDecl(D); - if (llvm::TimePassesIsEnabled) { + if (FrontendTimesIsEnabled) { LLVMIRGenerationRefCount -= 1; if (LLVMIRGenerationRefCount == 0) LLVMIRGeneration.stopTimer(); @@ -180,12 +180,12 @@ PrettyStackTraceDecl CrashInfo(D, SourceLocation(), Context->getSourceManager(), "LLVM IR generation of inline function"); - if (llvm::TimePassesIsEnabled) + if (FrontendTimesIsEnabled) LLVMIRGeneration.startTimer(); Gen->HandleInlineFunctionDefinition(D); - if (llvm::TimePassesIsEnabled) + if (FrontendTimesIsEnabled) LLVMIRGeneration.stopTimer(); } @@ -227,15 +227,15 @@ void HandleTranslationUnit(ASTContext &C) override { { PrettyStackTraceString CrashInfo("Per-file LLVM IR generation"); - if (llvm::TimePassesIsEnabled) { + if (FrontendTimesIsEnabled) { LLVMIRGenerationRefCount += 1; if (LLVMIRGenerationRefCount == 1) LLVMIRGeneration.startTimer(); } Gen->HandleTranslationUnit(C); - if (llvm::TimePassesIsEnabled) { + if (FrontendTimesIsEnabled) { LLVMIRGenerationRefCount -= 1; if (LLVMIRGenerationRefCount == 0) LLVMIRGeneration.stopTimer(); Index: lib/CodeGen/BackendUtil.cpp =================================================================== --- lib/CodeGen/BackendUtil.cpp +++ lib/CodeGen/BackendUtil.cpp @@ -728,7 +728,7 @@ void EmitAssemblyHelper::EmitAssembly(BackendAction Action, std::unique_ptr<raw_pwrite_stream> OS) { - TimeRegion Region(llvm::TimePassesIsEnabled ? &CodeGenerationTime : nullptr); + TimeRegion Region(FrontendTimesIsEnabled ? &CodeGenerationTime : nullptr); setCommandLineOpts(CodeGenOpts); @@ -858,7 +858,7 @@ /// `EmitAssembly` at some point in the future when the default switches. void EmitAssemblyHelper::EmitAssemblyWithNewPassManager( BackendAction Action, std::unique_ptr<raw_pwrite_stream> OS) { - TimeRegion Region(llvm::TimePassesIsEnabled ? &CodeGenerationTime : nullptr); + TimeRegion Region(FrontendTimesIsEnabled ? &CodeGenerationTime : nullptr); setCommandLineOpts(CodeGenOpts); // The new pass manager always makes a target machine available to passes Index: include/clang/Frontend/Utils.h =================================================================== --- include/clang/Frontend/Utils.h +++ include/clang/Frontend/Utils.h @@ -234,6 +234,12 @@ BuryPointer(Ptr.release()); } +// Frontend timing utils + +/// If the user specifies the -ftime-report argument on an Clang command line +/// then the value of this boolean will be true, otherwise false. +extern bool FrontendTimesIsEnabled; + } // namespace clang #endif // LLVM_CLANG_FRONTEND_UTILS_H
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