diff options
Diffstat (limited to 'llvm/lib/Passes/PassBuilder.cpp')
| -rw-r--r-- | llvm/lib/Passes/PassBuilder.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/Passes/PassBuilder.cpp b/llvm/lib/Passes/PassBuilder.cpp index eb04dcc8b6e..d7b9dfca34a 100644 --- a/llvm/lib/Passes/PassBuilder.cpp +++ b/llvm/lib/Passes/PassBuilder.cpp @@ -87,6 +87,7 @@ #include "llvm/Transforms/IPO/WholeProgramDevirt.h" #include "llvm/Transforms/InstCombine/InstCombine.h" #include "llvm/Transforms/Instrumentation/BoundsChecking.h" +#include "llvm/Transforms/Instrumentation/ControlHeightReduction.h" #include "llvm/Transforms/Instrumentation/GCOVProfiler.h" #include "llvm/Transforms/Instrumentation/InstrProfiling.h" #include "llvm/Transforms/Instrumentation/PGOInstrumentation.h" @@ -193,6 +194,10 @@ static cl::opt<bool> EnableSyntheticCounts( static Regex DefaultAliasRegex( "^(default|thinlto-pre-link|thinlto|lto-pre-link|lto)<(O[0123sz])>$"); +static cl::opt<bool> + EnableCHR("enable-chr-npm", cl::init(true), cl::Hidden, + cl::desc("Enable control height reduction optimization (CHR)")); + static bool isOptimizingForSize(PassBuilder::OptimizationLevel Level) { switch (Level) { case PassBuilder::O0: @@ -486,6 +491,10 @@ PassBuilder::buildFunctionSimplificationPipeline(OptimizationLevel Level, FPM.addPass(InstCombinePass()); invokePeepholeEPCallbacks(FPM, Level); + if (EnableCHR && Level == O3 && PGOOpt && + (!PGOOpt->ProfileUseFile.empty() || !PGOOpt->SampleProfileFile.empty())) + FPM.addPass(ControlHeightReductionPass()); + return FPM; } |
