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; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
; CHECK: @fneg_v2
; CHECK: -PV
; CHECK: -PV
define void @fneg_v2(<2 x float> addrspace(1)* nocapture %out, <2 x float> %in) {
entry:
%0 = fsub <2 x float> <float -0.000000e+00, float -0.000000e+00>, %in
store <2 x float> %0, <2 x float> addrspace(1)* %out
ret void
}
; CHECK: @fneg_v4
; CHECK: -PV
; CHECK: -PV
; CHECK: -PV
; CHECK: -PV
define void @fneg_v4(<4 x float> addrspace(1)* nocapture %out, <4 x float> %in) {
entry:
%0 = fsub <4 x float> <float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00>, %in
store <4 x float> %0, <4 x float> addrspace(1)* %out
ret void
}
; DAGCombiner will transform:
; (fneg (f32 bitcast (i32 a))) => (f32 bitcast (xor (i32 a), 0x80000000))
; unless the target returns true for isNegFree()
; CHECK-NOT: XOR
; CHECK: -KC0[2].Z
define void @fneg_free(float addrspace(1)* %out, i32 %in) {
entry:
%0 = bitcast i32 %in to float
%1 = fsub float 0.0, %0
store float %1, float addrspace(1)* %out
ret void
}
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