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Fix typo in PerformAddCombine that caused any vector type to be checked for horizontal add/sub if AVX2 is enabled. This caused an assert to fail for non 128/256-bit vectors when done before type legalizing. Fixes PR11749.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148096 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper 2012-01-13 05:04:25 +00:00
parent 8dd6f0c835
commit e6cf4a070d
1 changed files with 1 additions and 1 deletions
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2
lib/Target/X86/X86ISelLowering.cpp
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@ -14575,7 +14575,7 @@ static SDValue PerformAddCombine(SDNode *N, SelectionDAG &DAG,
// Try to synthesize horizontal adds from adds of shuffles.
if (((Subtarget->hasSSSE3() && (VT == MVT::v8i16 || VT == MVT::v4i32)) ||
(Subtarget->hasAVX2() && (VT == MVT::v16i16 || MVT::v8i32))) &&
(Subtarget->hasAVX2() && (VT == MVT::v16i16 || VT == MVT::v8i32))) &&
isHorizontalBinOp(Op0, Op1, true))
return DAG.getNode(X86ISD::HADD, N->getDebugLoc(), VT, Op0, Op1);