1 ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN %s
2 ; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN %s
4 ; GCN-LABEL: {{^}}test_fmin_f32_ieee_mode_on:
5 ; GCN: v_mul_f32_e64 [[QUIET0:v[0-9]+]], 1.0, s{{[0-9]+}}
6 ; GCN: v_mul_f32_e64 [[QUIET1:v[0-9]+]], 1.0, s{{[0-9]+}}
7 ; GCN: v_min_f32_e32 [[RESULT:v[0-9]+]], [[QUIET1]], [[QUIET0]]
9 ; GCN: buffer_store_dword [[RESULT]]
10 define amdgpu_kernel void @test_fmin_f32_ieee_mode_on(float addrspace(1)* %out, float %a, float %b) #0 {
11 %val = call float @llvm.minnum.f32(float %a, float %b) #1
12 store float %val, float addrspace(1)* %out, align 4
16 ; GCN-LABEL: {{^}}test_fmin_nnan_f32_ieee_mode_on:
18 ; GCN-NEXT: v_min_f32_e32 v0, v0, v1
19 ; GCN-NEXT: s_setpc_b64
20 define float @test_fmin_nnan_f32_ieee_mode_on(float %a, float %b) #0 {
21 %val = call nnan float @llvm.minnum.f32(float %a, float %b) #1
25 ; GCN-LABEL: {{^}}test_fmin_nnan_f32_ieee_mode_off:
28 ; GCN: v_min_f32_e32 v0, v0, v1
30 define amdgpu_ps float @test_fmin_nnan_f32_ieee_mode_off(float %a, float %b) #0 {
31 %val = call nnan float @llvm.minnum.f32(float %a, float %b) #1
35 ; GCN-LABEL: {{^}}test_fmin_f32_ieee_mode_off:
36 ; GCN: v_min_f32_e32 v0, v0, v1
38 define amdgpu_ps float @test_fmin_f32_ieee_mode_off(float %a, float %b) #0 {
39 %val = call float @llvm.minnum.f32(float %a, float %b) #1
43 ; GCN-LABEL: {{^}}test_fmin_v2f32:
46 define amdgpu_kernel void @test_fmin_v2f32(<2 x float> addrspace(1)* %out, <2 x float> %a, <2 x float> %b) #0 {
47 %val = call <2 x float> @llvm.minnum.v2f32(<2 x float> %a, <2 x float> %b)
48 store <2 x float> %val, <2 x float> addrspace(1)* %out, align 8
52 ; GCN-LABEL: {{^}}test_fmin_v4f32:
57 define amdgpu_kernel void @test_fmin_v4f32(<4 x float> addrspace(1)* %out, <4 x float> %a, <4 x float> %b) #0 {
58 %val = call <4 x float> @llvm.minnum.v4f32(<4 x float> %a, <4 x float> %b)
59 store <4 x float> %val, <4 x float> addrspace(1)* %out, align 16
63 ; GCN-LABEL: {{^}}test_fmin_v8f32:
72 define amdgpu_kernel void @test_fmin_v8f32(<8 x float> addrspace(1)* %out, <8 x float> %a, <8 x float> %b) #0 {
73 %val = call <8 x float> @llvm.minnum.v8f32(<8 x float> %a, <8 x float> %b)
74 store <8 x float> %val, <8 x float> addrspace(1)* %out, align 32
78 ; GCN-LABEL: {{^}}test_fmin_v16f32:
95 define amdgpu_kernel void @test_fmin_v16f32(<16 x float> addrspace(1)* %out, <16 x float> %a, <16 x float> %b) #0 {
96 %val = call <16 x float> @llvm.minnum.v16f32(<16 x float> %a, <16 x float> %b)
97 store <16 x float> %val, <16 x float> addrspace(1)* %out, align 64
101 ; GCN-LABEL: {{^}}constant_fold_fmin_f32:
102 ; GCN-NOT: v_min_f32_e32
103 ; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 1.0
104 ; GCN: buffer_store_dword [[REG]]
105 define amdgpu_kernel void @constant_fold_fmin_f32(float addrspace(1)* %out) #0 {
106 %val = call float @llvm.minnum.f32(float 1.0, float 2.0)
107 store float %val, float addrspace(1)* %out, align 4
111 ; GCN-LABEL: {{^}}constant_fold_fmin_f32_nan_nan:
112 ; GCN-NOT: v_min_f32_e32
113 ; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x7fc00000
114 ; GCN: buffer_store_dword [[REG]]
115 define amdgpu_kernel void @constant_fold_fmin_f32_nan_nan(float addrspace(1)* %out) #0 {
116 %val = call float @llvm.minnum.f32(float 0x7FF8000000000000, float 0x7FF8000000000000)
117 store float %val, float addrspace(1)* %out, align 4
121 ; GCN-LABEL: {{^}}constant_fold_fmin_f32_val_nan:
122 ; GCN-NOT: v_min_f32_e32
123 ; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 1.0
124 ; GCN: buffer_store_dword [[REG]]
125 define amdgpu_kernel void @constant_fold_fmin_f32_val_nan(float addrspace(1)* %out) #0 {
126 %val = call float @llvm.minnum.f32(float 1.0, float 0x7FF8000000000000)
127 store float %val, float addrspace(1)* %out, align 4
131 ; GCN-LABEL: {{^}}constant_fold_fmin_f32_nan_val:
132 ; GCN-NOT: v_min_f32_e32
133 ; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 1.0
134 ; GCN: buffer_store_dword [[REG]]
135 define amdgpu_kernel void @constant_fold_fmin_f32_nan_val(float addrspace(1)* %out) #0 {
136 %val = call float @llvm.minnum.f32(float 0x7FF8000000000000, float 1.0)
137 store float %val, float addrspace(1)* %out, align 4
141 ; GCN-LABEL: {{^}}constant_fold_fmin_f32_p0_p0:
142 ; GCN-NOT: v_min_f32_e32
143 ; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0
144 ; GCN: buffer_store_dword [[REG]]
145 define amdgpu_kernel void @constant_fold_fmin_f32_p0_p0(float addrspace(1)* %out) #0 {
146 %val = call float @llvm.minnum.f32(float 0.0, float 0.0)
147 store float %val, float addrspace(1)* %out, align 4
151 ; GCN-LABEL: {{^}}constant_fold_fmin_f32_p0_n0:
152 ; GCN-NOT: v_min_f32_e32
153 ; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0
154 ; GCN: buffer_store_dword [[REG]]
155 define amdgpu_kernel void @constant_fold_fmin_f32_p0_n0(float addrspace(1)* %out) #0 {
156 %val = call float @llvm.minnum.f32(float 0.0, float -0.0)
157 store float %val, float addrspace(1)* %out, align 4
161 ; GCN-LABEL: {{^}}constant_fold_fmin_f32_n0_p0:
162 ; GCN-NOT: v_min_f32_e32
163 ; GCN: v_bfrev_b32_e32 [[REG:v[0-9]+]], 1{{$}}
164 ; GCN: buffer_store_dword [[REG]]
165 define amdgpu_kernel void @constant_fold_fmin_f32_n0_p0(float addrspace(1)* %out) #0 {
166 %val = call float @llvm.minnum.f32(float -0.0, float 0.0)
167 store float %val, float addrspace(1)* %out, align 4
171 ; GCN-LABEL: {{^}}constant_fold_fmin_f32_n0_n0:
172 ; GCN-NOT: v_min_f32_e32
173 ; GCN: v_bfrev_b32_e32 [[REG:v[0-9]+]], 1{{$}}
174 ; GCN: buffer_store_dword [[REG]]
175 define amdgpu_kernel void @constant_fold_fmin_f32_n0_n0(float addrspace(1)* %out) #0 {
176 %val = call float @llvm.minnum.f32(float -0.0, float -0.0)
177 store float %val, float addrspace(1)* %out, align 4
181 ; GCN-LABEL: {{^}}fmin_var_immediate_f32_no_ieee:
182 ; GCN: v_min_f32_e32 v0, 2.0, v0
183 define amdgpu_ps float @fmin_var_immediate_f32_no_ieee(float %a) #0 {
184 %val = call float @llvm.minnum.f32(float %a, float 2.0) #1
188 ; GCN-LABEL: {{^}}fmin_immediate_var_f32_no_ieee:
189 ; GCN: v_min_f32_e64 {{v[0-9]+}}, {{s[0-9]+}}, 2.0
190 define amdgpu_ps float @fmin_immediate_var_f32_no_ieee(float inreg %a) #0 {
191 %val = call float @llvm.minnum.f32(float 2.0, float %a) #1
195 ; GCN-LABEL: {{^}}fmin_var_literal_f32_no_ieee:
196 ; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x42c60000
197 ; GCN: v_min_f32_e32 {{v[0-9]+}}, {{s[0-9]+}}, [[REG]]
198 define amdgpu_ps float @fmin_var_literal_f32_no_ieee(float inreg %a) #0 {
199 %val = call float @llvm.minnum.f32(float %a, float 99.0) #1
203 ; GCN-LABEL: {{^}}fmin_literal_var_f32_no_ieee:
204 ; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x42c60000
205 ; GCN: v_min_f32_e32 {{v[0-9]+}}, {{s[0-9]+}}, [[REG]]
206 define amdgpu_ps float @fmin_literal_var_f32_no_ieee(float inreg %a) #0 {
207 %val = call float @llvm.minnum.f32(float 99.0, float %a) #1
211 ; GCN-LABEL: {{^}}test_func_fmin_v3f32:
216 define <3 x float> @test_func_fmin_v3f32(<3 x float> %a, <3 x float> %b) nounwind {
217 %val = call <3 x float> @llvm.minnum.v3f32(<3 x float> %a, <3 x float> %b) #0
221 declare float @llvm.minnum.f32(float, float) #1
222 declare <2 x float> @llvm.minnum.v2f32(<2 x float>, <2 x float>) #1
223 declare <3 x float> @llvm.minnum.v3f32(<3 x float>, <3 x float>) #1
224 declare <4 x float> @llvm.minnum.v4f32(<4 x float>, <4 x float>) #1
225 declare <8 x float> @llvm.minnum.v8f32(<8 x float>, <8 x float>) #1
226 declare <16 x float> @llvm.minnum.v16f32(<16 x float>, <16 x float>) #1
228 attributes #0 = { nounwind }
229 attributes #1 = { nounwind readnone }