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| author | Craig Topper <craig.topper@intel.com> | 2017-12-20 01:00:01 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@intel.com> | 2017-12-20 01:00:01 +0000 |
| commit | aee3acb9a826d50252d5d2c5407b9ab7ce981972 (patch) | |
| tree | f6360269bd36f03a16755b850ac781ab832b1c64 /llvm/lib | |
| parent | b5f53449e49590e90bc14312848f55656b60ff87 (diff) | |
| download | bcm5719-llvm-aee3acb9a826d50252d5d2c5407b9ab7ce981972.tar.gz bcm5719-llvm-aee3acb9a826d50252d5d2c5407b9ab7ce981972.zip | |
[X86] Remove code from combineSext that looks for MVT::i1 after operation legalization which can never happen.
Type legalization guarantees this to be impossible since MVT::i1 isn't a legal type.
llvm-svn: 321132
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index e1d53447934..d9a72ebec01 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -35848,14 +35848,8 @@ static SDValue combineSext(SDNode *N, SelectionDAG &DAG, if (SDValue NewCMov = combineToExtendCMOV(N, DAG)) return NewCMov; - if (!DCI.isBeforeLegalizeOps()) { - if (InVT == MVT::i1) { - SDValue Zero = DAG.getConstant(0, DL, VT); - SDValue AllOnes = DAG.getAllOnesConstant(DL, VT); - return DAG.getSelect(DL, VT, N0, AllOnes, Zero); - } + if (!DCI.isBeforeLegalizeOps()) return SDValue(); - } if (InVT == MVT::i1 && N0.getOpcode() == ISD::XOR && isAllOnesConstant(N0.getOperand(1)) && N0.hasOneUse()) { |
