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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-07-04 00:09:58 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-07-04 00:09:58 +0000 |
| commit | 49e4d4b3ef810a6e6d1df67dc26dab5faae8e025 (patch) | |
| tree | cd54f1055a5bdf27772ed6f46cc74f007fa7b2da /llvm/lib/Target/X86/X86TargetMachine.cpp | |
| parent | f8a63a1507cfc20dbb74dc38ccbdc64460d9f547 (diff) | |
| download | bcm5719-llvm-49e4d4b3ef810a6e6d1df67dc26dab5faae8e025.tar.gz bcm5719-llvm-49e4d4b3ef810a6e6d1df67dc26dab5faae8e025.zip | |
Add early if-conversion support to X86.
Implement the TII hooks needed by EarlyIfConversion to create cmov
instructions and estimate their latency.
Early if-conversion is still not enabled by default.
llvm-svn: 159695
Diffstat (limited to 'llvm/lib/Target/X86/X86TargetMachine.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86TargetMachine.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86TargetMachine.cpp b/llvm/lib/Target/X86/X86TargetMachine.cpp index c66a5542946..b7ba568394b 100644 --- a/llvm/lib/Target/X86/X86TargetMachine.cpp +++ b/llvm/lib/Target/X86/X86TargetMachine.cpp @@ -140,7 +140,12 @@ public: } // namespace TargetPassConfig *X86TargetMachine::createPassConfig(PassManagerBase &PM) { - return new X86PassConfig(this, PM); + X86PassConfig *PC = new X86PassConfig(this, PM); + + if (Subtarget.hasCMov()) + PC->enablePass(&EarlyIfConverterID); + + return PC; } bool X86PassConfig::addInstSelector() { |
