diff options
Diffstat (limited to 'lib/Passes/PassBuilder.cpp')
| -rw-r--r-- | lib/Passes/PassBuilder.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/Passes/PassBuilder.cpp b/lib/Passes/PassBuilder.cpp index 55ac2541948e..8db65f7f0e82 100644 --- a/lib/Passes/PassBuilder.cpp +++ b/lib/Passes/PassBuilder.cpp @@ -125,6 +125,7 @@ #include "llvm/Transforms/Scalar/Reassociate.h" #include "llvm/Transforms/Scalar/SCCP.h" #include "llvm/Transforms/Scalar/SROA.h" +#include "llvm/Transforms/Scalar/SimpleLoopUnswitch.h" #include "llvm/Transforms/Scalar/SimplifyCFG.h" #include "llvm/Transforms/Scalar/Sink.h" #include "llvm/Transforms/Scalar/SpeculativeExecution.h" @@ -150,6 +151,10 @@ using namespace llvm; static cl::opt<unsigned> MaxDevirtIterations("pm-max-devirt-iterations", cl::ReallyHidden, cl::init(4)); +static cl::opt<bool> EnableGVNHoist( + "enable-npm-gvn-hoist", cl::init(false), cl::Hidden, + cl::desc("Enable the GVN hoisting pass for the new PM (default = off)")); + static Regex DefaultAliasRegex("^(default|lto-pre-link|lto)<(O[0123sz])>$"); static bool isOptimizingForSize(PassBuilder::OptimizationLevel Level) { @@ -454,7 +459,8 @@ PassBuilder::buildPerModuleDefaultPipeline(OptimizationLevel Level, EarlyFPM.addPass(SROA()); EarlyFPM.addPass(EarlyCSEPass()); EarlyFPM.addPass(LowerExpectIntrinsicPass()); - EarlyFPM.addPass(GVNHoistPass()); + if (EnableGVNHoist) + EarlyFPM.addPass(GVNHoistPass()); MPM.addPass(createModuleToFunctionPassAdaptor(std::move(EarlyFPM))); // Interprocedural constant propagation now that basic cleanup has occured |