view test/Transforms/EarlyCSE/floatingpoint.ll @ 100:7d135dc70f03 LLVM 3.9

LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900 (2016-01-26)
parents 95c75e76d11b
children 1172e4bd9c6f
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; RUN: opt < %s -S -early-cse | FileCheck %s

; Ensure we don't simplify away additions vectors of +0.0's (same as scalars).
define <4 x float> @fV( <4 x float> %a) {
       ; CHECK: %b = fadd <4 x float> %a, zeroinitializer
       %b = fadd  <4 x float> %a, <float 0.0,float 0.0,float 0.0,float 0.0>
       ret <4 x float> %b
}

define <4 x float> @fW( <4 x float> %a) {
       ; CHECK: ret <4 x float> %a
       %b = fadd  <4 x float> %a, <float -0.0,float -0.0,float -0.0,float -0.0>
       ret <4 x float> %b
}