-;RUN: llc < %s -march=r600 -mcpu=redwood | diff %s.check -
+; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
+; CHECK: @fsub_f32
+; CHECK: ADD * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], -T[0-9]+\.[XYZW]}}
-define void @test() {
+define void @fsub_f32() {
%r0 = call float @llvm.R600.load.input(i32 0)
%r1 = call float @llvm.R600.load.input(i32 1)
%r2 = fsub float %r0, %r1
declare void @llvm.AMDGPU.store.output(float, i32)
+; CHECK: @fsub_v2f32
+; CHECK-DAG: ADD * T{{[0-9]+\.[XYZW]}}, KC0[3].X, -KC0[3].Z
+; CHECK-DAG: ADD * T{{[0-9]+\.[XYZW]}}, KC0[2].W, -KC0[3].Y
+define void @fsub_v2f32(<2 x float> addrspace(1)* %out, <2 x float> %a, <2 x float> %b) {
+entry:
+ %0 = fsub <2 x float> %a, %b
+ store <2 x float> %0, <2 x float> addrspace(1)* %out
+ ret void
+}
+
+; CHECK: @fsub_v4f32
+; CHECK: ADD * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], -T[0-9]+\.[XYZW]}}
+; CHECK: ADD * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], -T[0-9]+\.[XYZW]}}
+; CHECK: ADD * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], -T[0-9]+\.[XYZW]}}
+; CHECK: ADD * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], -T[0-9]+\.[XYZW]}}
+define void @fsub_v4f32(<4 x float> addrspace(1)* %out, <4 x float> addrspace(1)* %in) {
+ %b_ptr = getelementptr <4 x float> addrspace(1)* %in, i32 1
+ %a = load <4 x float> addrspace(1) * %in
+ %b = load <4 x float> addrspace(1) * %b_ptr
+ %result = fsub <4 x float> %a, %b
+ store <4 x float> %result, <4 x float> addrspace(1)* %out
+ ret void
+}