diff options
Diffstat (limited to 'lib/Passes/PassBuilder.cpp')
-rw-r--r-- | lib/Passes/PassBuilder.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/Passes/PassBuilder.cpp b/lib/Passes/PassBuilder.cpp index 8796ff56e5e..9abbdba26cb 100644 --- a/lib/Passes/PassBuilder.cpp +++ b/lib/Passes/PassBuilder.cpp @@ -89,6 +89,7 @@ #include "llvm/Transforms/Scalar/ADCE.h" #include "llvm/Transforms/Scalar/AlignmentFromAssumptions.h" #include "llvm/Transforms/Scalar/BDCE.h" +#include "llvm/Transforms/Scalar/CallSiteSplitting.h" #include "llvm/Transforms/Scalar/ConstantHoisting.h" #include "llvm/Transforms/Scalar/CorrelatedValuePropagation.h" #include "llvm/Transforms/Scalar/DCE.h" @@ -548,6 +549,9 @@ PassBuilder::buildModuleSimplificationPipeline(OptimizationLevel Level, EarlyFPM.addPass(SROA()); EarlyFPM.addPass(EarlyCSEPass()); EarlyFPM.addPass(LowerExpectIntrinsicPass()); + if (Level == O3) + EarlyFPM.addPass(CallSiteSplittingPass()); + // In SamplePGO ThinLTO backend, we need instcombine before profile annotation // to convert bitcast to direct calls so that they can be inlined during the // profile annotation prepration step. @@ -915,13 +919,16 @@ ModulePassManager PassBuilder::buildLTODefaultPipeline(OptimizationLevel Level, MPM.addPass(InferFunctionAttrsPass()); if (Level > 1) { + FunctionPassManager EarlyFPM(DebugLogging); + EarlyFPM.addPass(CallSiteSplittingPass()); + MPM.addPass(createModuleToFunctionPassAdaptor(std::move(EarlyFPM))); + // Indirect call promotion. This should promote all the targets that are // left by the earlier promotion pass that promotes intra-module targets. // This two-step promotion is to save the compile time. For LTO, it should // produce the same result as if we only do promotion here. MPM.addPass(PGOIndirectCallPromotion( true /* InLTO */, PGOOpt && !PGOOpt->SampleProfileFile.empty())); - // Propagate constants at call sites into the functions they call. This // opens opportunities for globalopt (and inlining) by substituting function // pointers passed as arguments to direct uses of functions. |