diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Passes/PassBuilder.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/llvm/lib/Passes/PassBuilder.cpp b/llvm/lib/Passes/PassBuilder.cpp index 221ee15a78e..61499ab7d77 100644 --- a/llvm/lib/Passes/PassBuilder.cpp +++ b/llvm/lib/Passes/PassBuilder.cpp @@ -310,12 +310,13 @@ PassBuilder::buildFunctionSimplificationPipeline(OptimizationLevel Level, // the other we have is `LoopInstSimplify`. LoopPassManager LPM1(DebugLogging), LPM2(DebugLogging); + // FIXME: Enable these when the loop pass manager can support enforcing loop + // simplified and LCSSA form as well as updating the loop nest after + // transformations and we finsih porting the loop passes. +#if 0 // Rotate Loop - disable header duplication at -Oz LPM1.addPass(LoopRotatePass(Level != Oz)); LPM1.addPass(LICMPass()); - // FIXME: Enable these when the loop pass manager can support updating the - // loop nest after transformations and we finsih porting the loop passes. -#if 0 LPM1.addPass(LoopUnswitchPass(/* OptimizeForSize */ Level != O3)); LPM2.addPass(IndVarSimplifyPass()); LPM2.addPass(LoopIdiomPass()); @@ -356,7 +357,12 @@ PassBuilder::buildFunctionSimplificationPipeline(OptimizationLevel Level, FPM.addPass(JumpThreadingPass()); FPM.addPass(CorrelatedValuePropagationPass()); FPM.addPass(DSEPass()); + // FIXME: Enable this when the loop pass manager can support enforcing loop + // simplified and LCSSA form as well as updating the loop nest after + // transformations and we finsih porting the loop passes. +#if 0 FPM.addPass(createFunctionToLoopPassAdaptor(LICMPass())); +#endif // Finally, do an expensive DCE pass to catch all the dead code exposed by // the simplifications and basic cleanup after all the simplifications. |
