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0eb3edea9c
Machine CSE and other optimizations can remove instructions so folding is possible at peephole while not possible at ISel. rdar://10554090 and rdar://11873276 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160919 91177308-0d34-0410-b5e6-96231b3b80d8
15 lines
434 B
LLVM
15 lines
434 B
LLVM
; RUN: llc < %s -march=x86 -mattr=+sse2 | FileCheck %s
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define <2 x double> @foo() nounwind {
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ret <2 x double> bitcast (<2 x i64><i64 -1, i64 -1> to <2 x double>)
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; CHECK: foo:
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; CHECK: pcmpeqd %xmm{{[0-9]+}}, %xmm{{[0-9]+}}
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; CHECK-NEXT: ret
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}
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define <2 x double> @bar() nounwind {
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ret <2 x double> bitcast (<2 x i64><i64 0, i64 0> to <2 x double>)
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; CHECK: bar:
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; CHECK: xorps %xmm{{[0-9]+}}, %xmm{{[0-9]+}}
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; CHECK-NEXT: ret
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}
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