Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2019-01-23 08:21:40 +00:00
parent a7724cd563
commit 279aa8f685
28482 changed files with 3866972 additions and 44 deletions

View File

@@ -0,0 +1,15 @@
; RUN: opt < %s -S -early-cse | FileCheck %s
; RUN: opt < %s -S -basicaa -early-cse-memssa | 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
}