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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -S -early-cse -earlycse-debug-hash | FileCheck %s
; RUN: opt < %s -S -basic-aa -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-LABEL: @fV(
; CHECK-NEXT: [[B:%.*]] = fadd <4 x float> [[A:%.*]], zeroinitializer
; CHECK-NEXT: ret <4 x float> [[B]]
;
%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-LABEL: @fW(
; CHECK-NEXT: 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
}
; CSE unary fnegs.
define void @fX(<4 x float> *%p, <4 x float> %a) {
; CHECK-LABEL: @fX(
; CHECK-NEXT: [[X:%.*]] = fneg <4 x float> [[A:%.*]]
; CHECK-NEXT: store volatile <4 x float> [[X]], <4 x float>* [[P:%.*]], align 16
; CHECK-NEXT: store volatile <4 x float> [[X]], <4 x float>* [[P]], align 16
; CHECK-NEXT: ret void
;
%x = fneg <4 x float> %a
%y = fneg <4 x float> %a
store volatile <4 x float> %x, <4 x float>* %p
store volatile <4 x float> %y, <4 x float>* %p
ret void
}
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