1 ; RUN: llc -march=amdgcn -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
2 ; RUN: llc -march=amdgcn -mcpu=tonga < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
4 declare float @llvm.maxnum.f32(float, float) #0
5 declare <2 x float> @llvm.maxnum.v2f32(<2 x float>, <2 x float>) #0
6 declare <4 x float> @llvm.maxnum.v4f32(<4 x float>, <4 x float>) #0
7 declare <8 x float> @llvm.maxnum.v8f32(<8 x float>, <8 x float>) #0
8 declare <16 x float> @llvm.maxnum.v16f32(<16 x float>, <16 x float>) #0
10 declare double @llvm.maxnum.f64(double, double)
12 ; FUNC-LABEL: @test_fmax_f32
14 define void @test_fmax_f32(float addrspace(1)* %out, float %a, float %b) nounwind {
15 %val = call float @llvm.maxnum.f32(float %a, float %b) #0
16 store float %val, float addrspace(1)* %out, align 4
20 ; FUNC-LABEL: @test_fmax_v2f32
23 define void @test_fmax_v2f32(<2 x float> addrspace(1)* %out, <2 x float> %a, <2 x float> %b) nounwind {
24 %val = call <2 x float> @llvm.maxnum.v2f32(<2 x float> %a, <2 x float> %b) #0
25 store <2 x float> %val, <2 x float> addrspace(1)* %out, align 8
29 ; FUNC-LABEL: @test_fmax_v4f32
34 define void @test_fmax_v4f32(<4 x float> addrspace(1)* %out, <4 x float> %a, <4 x float> %b) nounwind {
35 %val = call <4 x float> @llvm.maxnum.v4f32(<4 x float> %a, <4 x float> %b) #0
36 store <4 x float> %val, <4 x float> addrspace(1)* %out, align 16
40 ; FUNC-LABEL: @test_fmax_v8f32
49 define void @test_fmax_v8f32(<8 x float> addrspace(1)* %out, <8 x float> %a, <8 x float> %b) nounwind {
50 %val = call <8 x float> @llvm.maxnum.v8f32(<8 x float> %a, <8 x float> %b) #0
51 store <8 x float> %val, <8 x float> addrspace(1)* %out, align 32
55 ; FUNC-LABEL: @test_fmax_v16f32
72 define void @test_fmax_v16f32(<16 x float> addrspace(1)* %out, <16 x float> %a, <16 x float> %b) nounwind {
73 %val = call <16 x float> @llvm.maxnum.v16f32(<16 x float> %a, <16 x float> %b) #0
74 store <16 x float> %val, <16 x float> addrspace(1)* %out, align 64
78 ; FUNC-LABEL: @constant_fold_fmax_f32
79 ; SI-NOT: v_max_f32_e32
80 ; SI: v_mov_b32_e32 [[REG:v[0-9]+]], 2.0
81 ; SI: buffer_store_dword [[REG]]
82 define void @constant_fold_fmax_f32(float addrspace(1)* %out) nounwind {
83 %val = call float @llvm.maxnum.f32(float 1.0, float 2.0) #0
84 store float %val, float addrspace(1)* %out, align 4
88 ; FUNC-LABEL: @constant_fold_fmax_f32_nan_nan
89 ; SI-NOT: v_max_f32_e32
90 ; SI: v_mov_b32_e32 [[REG:v[0-9]+]], 0x7fc00000
91 ; SI: buffer_store_dword [[REG]]
92 define void @constant_fold_fmax_f32_nan_nan(float addrspace(1)* %out) nounwind {
93 %val = call float @llvm.maxnum.f32(float 0x7FF8000000000000, float 0x7FF8000000000000) #0
94 store float %val, float addrspace(1)* %out, align 4
98 ; FUNC-LABEL: @constant_fold_fmax_f32_val_nan
99 ; SI-NOT: v_max_f32_e32
100 ; SI: v_mov_b32_e32 [[REG:v[0-9]+]], 1.0
101 ; SI: buffer_store_dword [[REG]]
102 define void @constant_fold_fmax_f32_val_nan(float addrspace(1)* %out) nounwind {
103 %val = call float @llvm.maxnum.f32(float 1.0, float 0x7FF8000000000000) #0
104 store float %val, float addrspace(1)* %out, align 4
108 ; FUNC-LABEL: @constant_fold_fmax_f32_nan_val
109 ; SI-NOT: v_max_f32_e32
110 ; SI: v_mov_b32_e32 [[REG:v[0-9]+]], 1.0
111 ; SI: buffer_store_dword [[REG]]
112 define void @constant_fold_fmax_f32_nan_val(float addrspace(1)* %out) nounwind {
113 %val = call float @llvm.maxnum.f32(float 0x7FF8000000000000, float 1.0) #0
114 store float %val, float addrspace(1)* %out, align 4
118 ; FUNC-LABEL: @constant_fold_fmax_f32_p0_p0
119 ; SI-NOT: v_max_f32_e32
120 ; SI: v_mov_b32_e32 [[REG:v[0-9]+]], 0
121 ; SI: buffer_store_dword [[REG]]
122 define void @constant_fold_fmax_f32_p0_p0(float addrspace(1)* %out) nounwind {
123 %val = call float @llvm.maxnum.f32(float 0.0, float 0.0) #0
124 store float %val, float addrspace(1)* %out, align 4
128 ; FUNC-LABEL: @constant_fold_fmax_f32_p0_n0
129 ; SI-NOT: v_max_f32_e32
130 ; SI: v_mov_b32_e32 [[REG:v[0-9]+]], 0
131 ; SI: buffer_store_dword [[REG]]
132 define void @constant_fold_fmax_f32_p0_n0(float addrspace(1)* %out) nounwind {
133 %val = call float @llvm.maxnum.f32(float 0.0, float -0.0) #0
134 store float %val, float addrspace(1)* %out, align 4
138 ; FUNC-LABEL: @constant_fold_fmax_f32_n0_p0
139 ; SI-NOT: v_max_f32_e32
140 ; SI: v_mov_b32_e32 [[REG:v[0-9]+]], 0x80000000
141 ; SI: buffer_store_dword [[REG]]
142 define void @constant_fold_fmax_f32_n0_p0(float addrspace(1)* %out) nounwind {
143 %val = call float @llvm.maxnum.f32(float -0.0, float 0.0) #0
144 store float %val, float addrspace(1)* %out, align 4
148 ; FUNC-LABEL: @constant_fold_fmax_f32_n0_n0
149 ; SI-NOT: v_max_f32_e32
150 ; SI: v_mov_b32_e32 [[REG:v[0-9]+]], 0x80000000
151 ; SI: buffer_store_dword [[REG]]
152 define void @constant_fold_fmax_f32_n0_n0(float addrspace(1)* %out) nounwind {
153 %val = call float @llvm.maxnum.f32(float -0.0, float -0.0) #0
154 store float %val, float addrspace(1)* %out, align 4
158 ; FUNC-LABEL: @fmax_var_immediate_f32
159 ; SI: v_max_f32_e64 {{v[0-9]+}}, 2.0, {{s[0-9]+}}
160 define void @fmax_var_immediate_f32(float addrspace(1)* %out, float %a) nounwind {
161 %val = call float @llvm.maxnum.f32(float %a, float 2.0) #0
162 store float %val, float addrspace(1)* %out, align 4
166 ; FUNC-LABEL: @fmax_immediate_var_f32
167 ; SI: v_max_f32_e64 {{v[0-9]+}}, 2.0, {{s[0-9]+}}
168 define void @fmax_immediate_var_f32(float addrspace(1)* %out, float %a) nounwind {
169 %val = call float @llvm.maxnum.f32(float 2.0, float %a) #0
170 store float %val, float addrspace(1)* %out, align 4
174 ; FUNC-LABEL: @fmax_var_literal_f32
175 ; SI: v_mov_b32_e32 [[REG:v[0-9]+]], 0x42c60000
176 ; SI: v_max_f32_e32 {{v[0-9]+}}, {{s[0-9]+}}, [[REG]]
177 define void @fmax_var_literal_f32(float addrspace(1)* %out, float %a) nounwind {
178 %val = call float @llvm.maxnum.f32(float %a, float 99.0) #0
179 store float %val, float addrspace(1)* %out, align 4
183 ; FUNC-LABEL: @fmax_literal_var_f32
184 ; SI: v_mov_b32_e32 [[REG:v[0-9]+]], 0x42c60000
185 ; SI: v_max_f32_e32 {{v[0-9]+}}, {{s[0-9]+}}, [[REG]]
186 define void @fmax_literal_var_f32(float addrspace(1)* %out, float %a) nounwind {
187 %val = call float @llvm.maxnum.f32(float 99.0, float %a) #0
188 store float %val, float addrspace(1)* %out, align 4
192 attributes #0 = { nounwind readnone }