diff options
Diffstat (limited to 'lib/Target/X86/X86TargetMachine.cpp')
| -rw-r--r-- | lib/Target/X86/X86TargetMachine.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp index b7ba568394..b05b31b14a 100644 --- a/lib/Target/X86/X86TargetMachine.cpp +++ b/lib/Target/X86/X86TargetMachine.cpp @@ -113,6 +113,12 @@ UseVZeroUpper("x86-use-vzeroupper", cl::desc("Minimize AVX to SSE transition penalty"), cl::init(true)); +// Temporary option to control early if-conversion for x86 while adding machine +// models. +static cl::opt<bool> +X86EarlyIfConv("x86-early-ifcvt", + cl::desc("Enable early if-conversion on X86")); + //===----------------------------------------------------------------------===// // Pass Pipeline Configuration //===----------------------------------------------------------------------===// @@ -142,7 +148,7 @@ public: TargetPassConfig *X86TargetMachine::createPassConfig(PassManagerBase &PM) { X86PassConfig *PC = new X86PassConfig(this, PM); - if (Subtarget.hasCMov()) + if (X86EarlyIfConv && Subtarget.hasCMov()) PC->enablePass(&EarlyIfConverterID); return PC; |