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vpblend intrinsics combines as shifts intrinsics due to absence return stmt between them
Fix PR20088 Differential Revision: http://reviews.llvm.org/D4277 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211617 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -19188,6 +19188,8 @@ static SDValue PerformINTRINSIC_WO_CHAINCombine(SDNode *N, SelectionDAG &DAG,
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if (C->isAllOnesValue())
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return Op1;
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}
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return SDValue();
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}
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// Packed SSE2/AVX2 arithmetic shift immediate intrinsics.
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9
test/CodeGen/X86/pr20088.ll
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9
test/CodeGen/X86/pr20088.ll
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@ -0,0 +1,9 @@
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; RUN: llc < %s -mattr=+avx | FileCheck %s
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declare <16 x i8> @llvm.x86.sse41.pblendvb(<16 x i8>, <16 x i8>, <16 x i8>)
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define <16 x i8> @foo(<16 x i8> %x) {
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; CHECK: vpblendvb
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%res = call <16 x i8> @llvm.x86.sse41.pblendvb(<16 x i8> zeroinitializer, <16 x i8> <i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1>, <16 x i8> %x)
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ret <16 x i8> %res;
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}
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