1 ; RUN: llc -march=r600 -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
3 declare float @llvm.maxnum.f32(float, float) #0
4 declare <2 x float> @llvm.maxnum.v2f32(<2 x float>, <2 x float>) #0
5 declare <4 x float> @llvm.maxnum.v4f32(<4 x float>, <4 x float>) #0
6 declare <8 x float> @llvm.maxnum.v8f32(<8 x float>, <8 x float>) #0
7 declare <16 x float> @llvm.maxnum.v16f32(<16 x float>, <16 x float>) #0
9 declare double @llvm.maxnum.f64(double, double)
11 ; FUNC-LABEL: @test_fmax_f32
13 define void @test_fmax_f32(float addrspace(1)* %out, float %a, float %b) nounwind {
14 %val = call float @llvm.maxnum.f32(float %a, float %b) #0
15 store float %val, float addrspace(1)* %out, align 4
19 ; FUNC-LABEL: @test_fmax_v2f32
22 define void @test_fmax_v2f32(<2 x float> addrspace(1)* %out, <2 x float> %a, <2 x float> %b) nounwind {
23 %val = call <2 x float> @llvm.maxnum.v2f32(<2 x float> %a, <2 x float> %b) #0
24 store <2 x float> %val, <2 x float> addrspace(1)* %out, align 8
28 ; FUNC-LABEL: @test_fmax_v4f32
33 define void @test_fmax_v4f32(<4 x float> addrspace(1)* %out, <4 x float> %a, <4 x float> %b) nounwind {
34 %val = call <4 x float> @llvm.maxnum.v4f32(<4 x float> %a, <4 x float> %b) #0
35 store <4 x float> %val, <4 x float> addrspace(1)* %out, align 16
39 ; FUNC-LABEL: @test_fmax_v8f32
48 define void @test_fmax_v8f32(<8 x float> addrspace(1)* %out, <8 x float> %a, <8 x float> %b) nounwind {
49 %val = call <8 x float> @llvm.maxnum.v8f32(<8 x float> %a, <8 x float> %b) #0
50 store <8 x float> %val, <8 x float> addrspace(1)* %out, align 32
54 ; FUNC-LABEL: @test_fmax_v16f32
71 define void @test_fmax_v16f32(<16 x float> addrspace(1)* %out, <16 x float> %a, <16 x float> %b) nounwind {
72 %val = call <16 x float> @llvm.maxnum.v16f32(<16 x float> %a, <16 x float> %b) #0
73 store <16 x float> %val, <16 x float> addrspace(1)* %out, align 64
77 ; FUNC-LABEL: @constant_fold_fmax_f32
78 ; SI-NOT: v_max_f32_e32
79 ; SI: v_mov_b32_e32 [[REG:v[0-9]+]], 2.0
80 ; SI: buffer_store_dword [[REG]]
81 define void @constant_fold_fmax_f32(float addrspace(1)* %out) nounwind {
82 %val = call float @llvm.maxnum.f32(float 1.0, float 2.0) #0
83 store float %val, float addrspace(1)* %out, align 4
87 ; FUNC-LABEL: @constant_fold_fmax_f32_nan_nan
88 ; SI-NOT: v_max_f32_e32
89 ; SI: v_mov_b32_e32 [[REG:v[0-9]+]], 0x7fc00000
90 ; SI: buffer_store_dword [[REG]]
91 define void @constant_fold_fmax_f32_nan_nan(float addrspace(1)* %out) nounwind {
92 %val = call float @llvm.maxnum.f32(float 0x7FF8000000000000, float 0x7FF8000000000000) #0
93 store float %val, float addrspace(1)* %out, align 4
97 ; FUNC-LABEL: @constant_fold_fmax_f32_val_nan
98 ; SI-NOT: v_max_f32_e32
99 ; SI: v_mov_b32_e32 [[REG:v[0-9]+]], 1.0
100 ; SI: buffer_store_dword [[REG]]
101 define void @constant_fold_fmax_f32_val_nan(float addrspace(1)* %out) nounwind {
102 %val = call float @llvm.maxnum.f32(float 1.0, float 0x7FF8000000000000) #0
103 store float %val, float addrspace(1)* %out, align 4
107 ; FUNC-LABEL: @constant_fold_fmax_f32_nan_val
108 ; SI-NOT: v_max_f32_e32
109 ; SI: v_mov_b32_e32 [[REG:v[0-9]+]], 1.0
110 ; SI: buffer_store_dword [[REG]]
111 define void @constant_fold_fmax_f32_nan_val(float addrspace(1)* %out) nounwind {
112 %val = call float @llvm.maxnum.f32(float 0x7FF8000000000000, float 1.0) #0
113 store float %val, float addrspace(1)* %out, align 4
117 ; FUNC-LABEL: @constant_fold_fmax_f32_p0_p0
118 ; SI-NOT: v_max_f32_e32
119 ; SI: v_mov_b32_e32 [[REG:v[0-9]+]], 0
120 ; SI: buffer_store_dword [[REG]]
121 define void @constant_fold_fmax_f32_p0_p0(float addrspace(1)* %out) nounwind {
122 %val = call float @llvm.maxnum.f32(float 0.0, float 0.0) #0
123 store float %val, float addrspace(1)* %out, align 4
127 ; FUNC-LABEL: @constant_fold_fmax_f32_p0_n0
128 ; SI-NOT: v_max_f32_e32
129 ; SI: v_mov_b32_e32 [[REG:v[0-9]+]], 0
130 ; SI: buffer_store_dword [[REG]]
131 define void @constant_fold_fmax_f32_p0_n0(float addrspace(1)* %out) nounwind {
132 %val = call float @llvm.maxnum.f32(float 0.0, float -0.0) #0
133 store float %val, float addrspace(1)* %out, align 4
137 ; FUNC-LABEL: @constant_fold_fmax_f32_n0_p0
138 ; SI-NOT: v_max_f32_e32
139 ; SI: v_mov_b32_e32 [[REG:v[0-9]+]], 0x80000000
140 ; SI: buffer_store_dword [[REG]]
141 define void @constant_fold_fmax_f32_n0_p0(float addrspace(1)* %out) nounwind {
142 %val = call float @llvm.maxnum.f32(float -0.0, float 0.0) #0
143 store float %val, float addrspace(1)* %out, align 4
147 ; FUNC-LABEL: @constant_fold_fmax_f32_n0_n0
148 ; SI-NOT: v_max_f32_e32
149 ; SI: v_mov_b32_e32 [[REG:v[0-9]+]], 0x80000000
150 ; SI: buffer_store_dword [[REG]]
151 define void @constant_fold_fmax_f32_n0_n0(float addrspace(1)* %out) nounwind {
152 %val = call float @llvm.maxnum.f32(float -0.0, float -0.0) #0
153 store float %val, float addrspace(1)* %out, align 4
157 ; FUNC-LABEL: @fmax_var_immediate_f32
158 ; SI: v_max_f32_e64 {{v[0-9]+}}, 2.0, {{s[0-9]+}}
159 define void @fmax_var_immediate_f32(float addrspace(1)* %out, float %a) nounwind {
160 %val = call float @llvm.maxnum.f32(float %a, float 2.0) #0
161 store float %val, float addrspace(1)* %out, align 4
165 ; FUNC-LABEL: @fmax_immediate_var_f32
166 ; SI: v_max_f32_e64 {{v[0-9]+}}, 2.0, {{s[0-9]+}}
167 define void @fmax_immediate_var_f32(float addrspace(1)* %out, float %a) nounwind {
168 %val = call float @llvm.maxnum.f32(float 2.0, float %a) #0
169 store float %val, float addrspace(1)* %out, align 4
173 ; FUNC-LABEL: @fmax_var_literal_f32
174 ; SI: v_mov_b32_e32 [[REG:v[0-9]+]], 0x42c60000
175 ; SI: v_max_f32_e32 {{v[0-9]+}}, {{s[0-9]+}}, [[REG]]
176 define void @fmax_var_literal_f32(float addrspace(1)* %out, float %a) nounwind {
177 %val = call float @llvm.maxnum.f32(float %a, float 99.0) #0
178 store float %val, float addrspace(1)* %out, align 4
182 ; FUNC-LABEL: @fmax_literal_var_f32
183 ; SI: v_mov_b32_e32 [[REG:v[0-9]+]], 0x42c60000
184 ; SI: v_max_f32_e32 {{v[0-9]+}}, {{s[0-9]+}}, [[REG]]
185 define void @fmax_literal_var_f32(float addrspace(1)* %out, float %a) nounwind {
186 %val = call float @llvm.maxnum.f32(float 99.0, float %a) #0
187 store float %val, float addrspace(1)* %out, align 4
191 attributes #0 = { nounwind readnone }