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69a008075b
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90290 91177308-0d34-0410-b5e6-96231b3b80d8
15 lines
739 B
LLVM
15 lines
739 B
LLVM
; Checks to see that instcombine can handle a sign extension of i1
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; RUN: opt < %s -instcombine -S | FileCheck %s
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define void @test(<2 x i16> %srcA, <2 x i16> %srcB, <2 x i16>* %dst) nounwind {
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entry:
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; CHECK-NOT: tmask
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; CHECK: ret
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%cmp = icmp eq <2 x i16> %srcB, %srcA;
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%sext = sext <2 x i1> %cmp to <2 x i16>;
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%tmask = ashr <2 x i16> %sext, <i16 15, i16 15> ;
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store <2 x i16> %tmask, <2 x i16>* %dst;
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ret void
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}
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