Initially forgotten-to-svn-add test case for r177279.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177280 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Tweed 2013-03-18 12:07:24 +00:00
parent ec7eb55cc4
commit 5470e677ee

View File

@ -0,0 +1,14 @@
; 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
}