diff options
Diffstat (limited to 'llvm/lib/CodeGen/Passes.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/Passes.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/Passes.cpp b/llvm/lib/CodeGen/Passes.cpp index 9693780bdaa..e4ad6c17bc2 100644 --- a/llvm/lib/CodeGen/Passes.cpp +++ b/llvm/lib/CodeGen/Passes.cpp @@ -49,6 +49,8 @@ static cl::opt<bool> DisableSSC("disable-ssc", cl::Hidden, cl::desc("Disable Stack Slot Coloring")); static cl::opt<bool> DisableMachineDCE("disable-machine-dce", cl::Hidden, cl::desc("Disable Machine Dead Code Elimination")); +static cl::opt<bool> EnableEarlyIfConversion("enable-early-ifcvt", cl::Hidden, + cl::desc("Enable Early If-conversion")); static cl::opt<bool> DisableMachineLICM("disable-machine-licm", cl::Hidden, cl::desc("Disable Machine LICM")); static cl::opt<bool> DisableMachineCSE("disable-machine-cse", cl::Hidden, @@ -154,6 +156,9 @@ static AnalysisID overridePass(AnalysisID StandardID, AnalysisID TargetID) { if (StandardID == &DeadMachineInstructionElimID) return applyDisable(TargetID, DisableMachineDCE); + if (StandardID == &EarlyIfConverterID) + return applyDisable(TargetID, !EnableEarlyIfConversion); + if (StandardID == &MachineLICMID) return applyDisable(TargetID, DisableMachineLICM); @@ -228,6 +233,9 @@ TargetPassConfig::TargetPassConfig(TargetMachine *tm, PassManagerBase &pm) substitutePass(&EarlyTailDuplicateID, &TailDuplicateID); substitutePass(&PostRAMachineLICMID, &MachineLICMID); + // Disable early if-conversion. Targets that are ready can enable it. + disablePass(&EarlyIfConverterID); + // Temporarily disable experimental passes. substitutePass(&MachineSchedulerID, 0); } @@ -527,6 +535,7 @@ void TargetPassConfig::addMachineSSAOptimization() { addPass(&DeadMachineInstructionElimID); printAndVerify("After codegen DCE pass"); + addPass(&EarlyIfConverterID); addPass(&MachineLICMID); addPass(&MachineCSEID); addPass(&MachineSinkingID); |
