1 ; RUN: llc < %s -march=r600 --mcpu=redwood | FileCheck %s --check-prefix=R600
2 ; RUN: llc < %s -march=amdgcn --mcpu=SI -verify-machineinstrs| FileCheck %s --check-prefix=SI
3 ; RUN: llc < %s -march=amdgcn --mcpu=tonga -verify-machineinstrs| FileCheck %s --check-prefix=SI
5 ; R600-LABEL: {{^}}sqrt_f32:
6 ; R600: RECIPSQRT_CLAMPED * T{{[0-9]\.[XYZW]}}, KC0[2].Z
7 ; R600: MUL NON-IEEE T{{[0-9]\.[XYZW]}}, KC0[2].Z, PS
8 ; SI-LABEL: {{^}}sqrt_f32:
10 define void @sqrt_f32(float addrspace(1)* %out, float %in) {
12 %0 = call float @llvm.sqrt.f32(float %in)
13 store float %0, float addrspace(1)* %out
17 ; R600-LABEL: {{^}}sqrt_v2f32:
18 ; R600-DAG: RECIPSQRT_CLAMPED * T{{[0-9]\.[XYZW]}}, KC0[2].W
19 ; R600-DAG: MUL NON-IEEE T{{[0-9]\.[XYZW]}}, KC0[2].W, PS
20 ; R600-DAG: RECIPSQRT_CLAMPED * T{{[0-9]\.[XYZW]}}, KC0[3].X
21 ; R600-DAG: MUL NON-IEEE T{{[0-9]\.[XYZW]}}, KC0[3].X, PS
22 ; SI-LABEL: {{^}}sqrt_v2f32:
25 define void @sqrt_v2f32(<2 x float> addrspace(1)* %out, <2 x float> %in) {
27 %0 = call <2 x float> @llvm.sqrt.v2f32(<2 x float> %in)
28 store <2 x float> %0, <2 x float> addrspace(1)* %out
32 ; R600-LABEL: {{^}}sqrt_v4f32:
33 ; R600-DAG: RECIPSQRT_CLAMPED * T{{[0-9]\.[XYZW]}}, KC0[3].Y
34 ; R600-DAG: MUL NON-IEEE T{{[0-9]\.[XYZW]}}, KC0[3].Y, PS
35 ; R600-DAG: RECIPSQRT_CLAMPED * T{{[0-9]\.[XYZW]}}, KC0[3].Z
36 ; R600-DAG: MUL NON-IEEE T{{[0-9]\.[XYZW]}}, KC0[3].Z, PS
37 ; R600-DAG: RECIPSQRT_CLAMPED * T{{[0-9]\.[XYZW]}}, KC0[3].W
38 ; R600-DAG: MUL NON-IEEE T{{[0-9]\.[XYZW]}}, KC0[3].W, PS
39 ; R600-DAG: RECIPSQRT_CLAMPED * T{{[0-9]\.[XYZW]}}, KC0[4].X
40 ; R600-DAG: MUL NON-IEEE T{{[0-9]\.[XYZW]}}, KC0[4].X, PS
41 ; SI-LABEL: {{^}}sqrt_v4f32:
46 define void @sqrt_v4f32(<4 x float> addrspace(1)* %out, <4 x float> %in) {
48 %0 = call <4 x float> @llvm.sqrt.v4f32(<4 x float> %in)
49 store <4 x float> %0, <4 x float> addrspace(1)* %out
53 ; SI-LABEL: {{^}}elim_redun_check:
56 define void @elim_redun_check(float addrspace(1)* %out, float %in) {
58 %sqrt = call float @llvm.sqrt.f32(float %in)
59 %cmp = fcmp olt float %in, -0.000000e+00
60 %res = select i1 %cmp, float 0x7FF8000000000000, float %sqrt
61 store float %res, float addrspace(1)* %out
65 ; SI-LABEL: {{^}}elim_redun_check_ult:
68 define void @elim_redun_check_ult(float addrspace(1)* %out, float %in) {
70 %sqrt = call float @llvm.sqrt.f32(float %in)
71 %cmp = fcmp ult float %in, -0.000000e+00
72 %res = select i1 %cmp, float 0x7FF8000000000000, float %sqrt
73 store float %res, float addrspace(1)* %out
77 ; SI-LABEL: {{^}}elim_redun_check_v2:
81 define void @elim_redun_check_v2(<2 x float> addrspace(1)* %out, <2 x float> %in) {
83 %sqrt = call <2 x float> @llvm.sqrt.v2f32(<2 x float> %in)
84 %cmp = fcmp olt <2 x float> %in, <float -0.000000e+00, float -0.000000e+00>
85 %res = select <2 x i1> %cmp, <2 x float> <float 0x7FF8000000000000, float 0x7FF8000000000000>, <2 x float> %sqrt
86 store <2 x float> %res, <2 x float> addrspace(1)* %out
90 ; SI-LABEL: {{^}}elim_redun_check_v2_ult
94 define void @elim_redun_check_v2_ult(<2 x float> addrspace(1)* %out, <2 x float> %in) {
96 %sqrt = call <2 x float> @llvm.sqrt.v2f32(<2 x float> %in)
97 %cmp = fcmp ult <2 x float> %in, <float -0.000000e+00, float -0.000000e+00>
98 %res = select <2 x i1> %cmp, <2 x float> <float 0x7FF8000000000000, float 0x7FF8000000000000>, <2 x float> %sqrt
99 store <2 x float> %res, <2 x float> addrspace(1)* %out
103 declare float @llvm.sqrt.f32(float %in)
104 declare <2 x float> @llvm.sqrt.v2f32(<2 x float> %in)
105 declare <4 x float> @llvm.sqrt.v4f32(<4 x float> %in)