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| author | Craig Topper <craig.topper@gmail.com> | 2012-05-06 18:54:26 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2012-05-06 18:54:26 +0000 |
| commit | bdcbcb3ae7c035459a2c6adad7e95dc377f22f22 (patch) | |
| tree | a219cedabfc01d3b69c441b4a2526af7f72d724a | |
| parent | 156f5bb56e2730013fcddf90e8cad0e5e3ee1928 (diff) | |
| download | external_llvm-bdcbcb3ae7c035459a2c6adad7e95dc377f22f22.zip external_llvm-bdcbcb3ae7c035459a2c6adad7e95dc377f22f22.tar.gz external_llvm-bdcbcb3ae7c035459a2c6adad7e95dc377f22f22.tar.bz2 | |
Add VPERMQ/VPERMPD to the list of target specific shuffles that can be looked through for DAG combine purposes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156266 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 24d95a9..e282617 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -2914,6 +2914,7 @@ static bool isTargetShuffle(unsigned Opcode) { case X86ISD::UNPCKH: case X86ISD::VPERMILP: case X86ISD::VPERM2X128: + case X86ISD::VPERMI: return true; } } @@ -4455,6 +4456,11 @@ static bool getTargetShuffleMask(SDNode *N, EVT VT, DecodePSHUFLWMask(VT, cast<ConstantSDNode>(ImmN)->getZExtValue(), Mask); IsUnary = true; break; + case X86ISD::VPERMI: + ImmN = N->getOperand(N->getNumOperands()-1); + DecodeVPERMMask(cast<ConstantSDNode>(ImmN)->getZExtValue(), Mask); + IsUnary = true; + break; case X86ISD::MOVSS: case X86ISD::MOVSD: { // The index 0 always comes from the first element of the second source, |