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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2014-06-23 18:00:52 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2014-06-23 18:00:52 +0000 |
| commit | 627230239477e2cdf6e74d9fb7523b38341b24f6 (patch) | |
| tree | 029a8316b32eaa90b79748e6828903fd5b996056 /lib | |
| parent | 9ad2c7ef924e4e3c782d0c6267ca39e424911df7 (diff) | |
| download | llvm-627230239477e2cdf6e74d9fb7523b38341b24f6.tar.gz llvm-627230239477e2cdf6e74d9fb7523b38341b24f6.tar.bz2 llvm-627230239477e2cdf6e74d9fb7523b38341b24f6.tar.xz | |
R600: Select is not expensive.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211518 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/R600/AMDGPUISelLowering.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/R600/AMDGPUISelLowering.cpp b/lib/Target/R600/AMDGPUISelLowering.cpp index 3bde6e1c8f..0cfbf6bcf1 100644 --- a/lib/Target/R600/AMDGPUISelLowering.cpp +++ b/lib/Target/R600/AMDGPUISelLowering.cpp @@ -361,6 +361,9 @@ AMDGPUTargetLowering::AMDGPUTargetLowering(TargetMachine &TM) : setSchedulingPreference(Sched::RegPressure); setJumpIsExpensive(true); + setSelectIsExpensive(false); + PredictableSelectIsExpensive = false; + // There are no integer divide instructions, and these expand to a pretty // large sequence of instructions. setIntDivIsCheap(false); @@ -383,6 +386,10 @@ MVT AMDGPUTargetLowering::getVectorIdxTy() const { return MVT::i32; } +bool AMDGPUTargetLowering::isSelectSupported(SelectSupportKind SelType) const { + return true; +} + // The backend supports 32 and 64 bit floating point immediates. // FIXME: Why are we reporting vectors of FP immediates as legal? bool AMDGPUTargetLowering::isFPImmLegal(const APFloat &Imm, EVT VT) const { |