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| author | Jay Foad <jay.foad@gmail.com> | 2019-07-11 08:49:52 +0000 |
|---|---|---|
| committer | Jay Foad <jay.foad@gmail.com> | 2019-07-11 08:49:52 +0000 |
| commit | c1b7db9edaaffdb31ce4ff53a8a91181daeca80a (patch) | |
| tree | d8b093c69d62bc8de811597c958fbf069c31661d /llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp | |
| parent | 85ad78b1cfa3932eb658365b74f5b08c25dbfb0e (diff) | |
| download | bcm5719-llvm-c1b7db9edaaffdb31ce4ff53a8a91181daeca80a.tar.gz bcm5719-llvm-c1b7db9edaaffdb31ce4ff53a8a91181daeca80a.zip | |
Remove some redundant code from r290372 and improve a comment.
llvm-svn: 365741
Diffstat (limited to 'llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp index 779166bd059..666d0225561 100644 --- a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp +++ b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp @@ -3655,13 +3655,11 @@ SDValue AMDGPUTargetLowering::performSelectCombine(SDNode *N, if (Cond.hasOneUse()) { // TODO: Look for multiple select uses. SelectionDAG &DAG = DCI.DAG; - if ((DAG.isConstantValueOfAnyType(True) || - DAG.isConstantValueOfAnyType(True)) && - (!DAG.isConstantValueOfAnyType(False) && - !DAG.isConstantValueOfAnyType(False))) { + if (DAG.isConstantValueOfAnyType(True) && + !DAG.isConstantValueOfAnyType(False)) { // Swap cmp + select pair to move constant to false input. // This will allow using VOPC cndmasks more often. - // select (setcc x, y), k, x -> select (setcc y, x) x, x + // select (setcc x, y), k, x -> select (setccinv x, y), x, k SDLoc SL(N); ISD::CondCode NewCC = getSetCCInverse(cast<CondCodeSDNode>(CC)->get(), |
