diff options
| author | Bill Wendling <isanbard@gmail.com> | 2011-08-04 00:32:58 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2011-08-04 00:32:58 +0000 |
| commit | 456a925c6177d65ed63d6518cd7fdad3e6502ae6 (patch) | |
| tree | 3e5e17f7a7408b93b293663f4bcc5f1449b016e1 /lib | |
| parent | 7ce057983ea7b8ad42d5cca1bb5d3f6941662269 (diff) | |
Only access both operands of an INSERT_SUBVECTOR if it is an INSERT_SUBVECTOR.
Fixes PR10527.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136853 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 5697152032..92451e5198 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -12298,16 +12298,17 @@ static bool CanFoldXORWithAllOnes(const SDNode *N) { // Sometimes the operand may come from a insert_subvector building a 256-bit // allones vector - SDValue V1 = N->getOperand(0); - SDValue V2 = N->getOperand(1); - if (VT.getSizeInBits() == 256 && - N->getOpcode() == ISD::INSERT_SUBVECTOR && - V1.getOpcode() == ISD::INSERT_SUBVECTOR && - V1.getOperand(0).getOpcode() == ISD::UNDEF && - ISD::isBuildVectorAllOnes(V1.getOperand(1).getNode()) && - ISD::isBuildVectorAllOnes(V2.getNode())) - return true; + N->getOpcode() == ISD::INSERT_SUBVECTOR) { + SDValue V1 = N->getOperand(0); + SDValue V2 = N->getOperand(1); + + if (V1.getOpcode() == ISD::INSERT_SUBVECTOR && + V1.getOperand(0).getOpcode() == ISD::UNDEF && + ISD::isBuildVectorAllOnes(V1.getOperand(1).getNode()) && + ISD::isBuildVectorAllOnes(V2.getNode())) + return true; + } return false; } |