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5470e677ee
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177280 91177308-0d34-0410-b5e6-96231b3b80d8
15 lines
515 B
LLVM
15 lines
515 B
LLVM
; RUN: opt < %s -S -early-cse | FileCheck %s
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; Ensure we don't simplify away additions vectors of +0.0's (same as scalars).
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define <4 x float> @fV( <4 x float> %a) {
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; CHECK: %b = fadd <4 x float> %a, zeroinitializer
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%b = fadd <4 x float> %a, <float 0.0,float 0.0,float 0.0,float 0.0>
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ret <4 x float> %b
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}
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define <4 x float> @fW( <4 x float> %a) {
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; CHECK: ret <4 x float> %a
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%b = fadd <4 x float> %a, <float -0.0,float -0.0,float -0.0,float -0.0>
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ret <4 x float> %b
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}
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