diff options
| -rw-r--r-- | clang/lib/CodeGen/BackendUtil.cpp | 39 | ||||
| -rw-r--r-- | clang/test/CodeGen/code-coverage.c | 5 | 
2 files changed, 28 insertions, 16 deletions
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp index c4a37dfc8b3..ef974946e1d 100644 --- a/clang/lib/CodeGen/BackendUtil.cpp +++ b/clang/lib/CodeGen/BackendUtil.cpp @@ -26,6 +26,7 @@  #include "llvm/Bitcode/BitcodeWriterPass.h"  #include "llvm/CodeGen/RegAllocRegistry.h"  #include "llvm/CodeGen/SchedulerRegistry.h" +#include "llvm/CodeGen/TargetSubtargetInfo.h"  #include "llvm/IR/DataLayout.h"  #include "llvm/IR/IRPrintingPasses.h"  #include "llvm/IR/LegacyPassManager.h" @@ -44,8 +45,8 @@  #include "llvm/Support/raw_ostream.h"  #include "llvm/Target/TargetMachine.h"  #include "llvm/Target/TargetOptions.h" -#include "llvm/CodeGen/TargetSubtargetInfo.h"  #include "llvm/Transforms/Coroutines.h" +#include "llvm/Transforms/GCOVProfiler.h"  #include "llvm/Transforms/IPO.h"  #include "llvm/Transforms/IPO/AlwaysInliner.h"  #include "llvm/Transforms/IPO/PassManagerBuilder.h" @@ -471,6 +472,23 @@ static void initTargetOptions(llvm::TargetOptions &Options,        Options.MCOptions.IASSearchPaths.push_back(            Entry.IgnoreSysRoot ? Entry.Path : HSOpts.Sysroot + Entry.Path);  } +static Optional<GCOVOptions> getGCOVOptions(const CodeGenOptions &CodeGenOpts) { +  if (CodeGenOpts.DisableGCov) +    return None; +  if (!CodeGenOpts.EmitGcovArcs && !CodeGenOpts.EmitGcovNotes) +    return None; +  // Not using 'GCOVOptions::getDefault' allows us to avoid exiting if +  // LLVM's -default-gcov-version flag is set to something invalid. +  GCOVOptions Options; +  Options.EmitNotes = CodeGenOpts.EmitGcovNotes; +  Options.EmitData = CodeGenOpts.EmitGcovArcs; +  llvm::copy(CodeGenOpts.CoverageVersion, std::begin(Options.Version)); +  Options.UseCfgChecksum = CodeGenOpts.CoverageExtraChecksum; +  Options.NoRedZone = CodeGenOpts.DisableRedZone; +  Options.FunctionNamesInData = !CodeGenOpts.CoverageNoFunctionNamesInData; +  Options.ExitBlockBeforeBody = CodeGenOpts.CoverageExitBlockBeforeBody; +  return Options; +}  void EmitAssemblyHelper::CreatePasses(legacy::PassManager &MPM,                                        legacy::FunctionPassManager &FPM) { @@ -613,20 +631,8 @@ void EmitAssemblyHelper::CreatePasses(legacy::PassManager &MPM,    if (!CodeGenOpts.RewriteMapFiles.empty())      addSymbolRewriterPass(CodeGenOpts, &MPM); -  if (!CodeGenOpts.DisableGCov && -      (CodeGenOpts.EmitGcovArcs || CodeGenOpts.EmitGcovNotes)) { -    // Not using 'GCOVOptions::getDefault' allows us to avoid exiting if -    // LLVM's -default-gcov-version flag is set to something invalid. -    GCOVOptions Options; -    Options.EmitNotes = CodeGenOpts.EmitGcovNotes; -    Options.EmitData = CodeGenOpts.EmitGcovArcs; -    memcpy(Options.Version, CodeGenOpts.CoverageVersion, 4); -    Options.UseCfgChecksum = CodeGenOpts.CoverageExtraChecksum; -    Options.NoRedZone = CodeGenOpts.DisableRedZone; -    Options.FunctionNamesInData = -        !CodeGenOpts.CoverageNoFunctionNamesInData; -    Options.ExitBlockBeforeBody = CodeGenOpts.CoverageExitBlockBeforeBody; -    MPM.add(createGCOVProfilerPass(Options)); +  if (Optional<GCOVOptions> Options = getGCOVOptions(CodeGenOpts)) { +    MPM.add(createGCOVProfilerPass(*Options));      if (CodeGenOpts.getDebugInfo() == codegenoptions::NoDebugInfo)        MPM.add(createStripSymbolsPass(true));    } @@ -954,6 +960,9 @@ void EmitAssemblyHelper::EmitAssemblyWithNewPassManager(                                                 CodeGenOpts.DebugPassManager);        }      } +    if (Optional<GCOVOptions> Options = getGCOVOptions(CodeGenOpts)) { +      MPM.addPass(GCOVProfilerPass(*Options)); +    }    }    // FIXME: We still use the legacy pass manager to do code generation. We diff --git a/clang/test/CodeGen/code-coverage.c b/clang/test/CodeGen/code-coverage.c index 80307f49ef3..9d4f55862ee 100644 --- a/clang/test/CodeGen/code-coverage.c +++ b/clang/test/CodeGen/code-coverage.c @@ -2,7 +2,10 @@  // RUN: %clang_cc1 -emit-llvm -disable-red-zone -femit-coverage-data -coverage-no-function-names-in-data %s -o - | FileCheck %s --check-prefix WITHOUTNAMES  // RUN: %clang_cc1 -emit-llvm -disable-red-zone -femit-coverage-data -coverage-notes-file=aaa.gcno -coverage-data-file=bbb.gcda -dwarf-column-info -debug-info-kind=limited -dwarf-version=4 %s -o - | FileCheck %s --check-prefix GCOV_FILE_INFO -// <rdar://problem/12843084> +// RUN: %clang_cc1 -emit-llvm-bc -o /dev/null -fexperimental-new-pass-manager -fdebug-pass-manager -femit-coverage-data %s 2>&1 | FileCheck --check-prefix=NEWPM %s + +// NEWPM: Running pass: GCOVProfilerPass +  int test1(int a) {    switch (a % 2) {  | 

