1 ; RUN: llc -march=amdgcn -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=SI-SAFE -check-prefix=FUNC %s 2 ; RUN: llc -enable-no-nans-fp-math -enable-unsafe-fp-math -march=amdgcn -mcpu=SI < %s | FileCheck -check-prefix=SI-NONAN -check-prefix=SI -check-prefix=FUNC %s 3 ; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s 4 5 ; FIXME: Should replace unsafe-fp-math with no signed zeros. 6 7 declare i32 @llvm.r600.read.tidig.x() #1 8 9 ; FUNC-LABEL: @test_fmax_legacy_uge_f32 10 ; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}} 11 ; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4 12 ; SI-SAFE: v_max_legacy_f32_e32 {{v[0-9]+}}, [[B]], [[A]] 13 ; SI-NONAN: v_max_f32_e32 {{v[0-9]+}}, [[B]], [[A]] 14 15 ; EG: MAX 16 define void @test_fmax_legacy_uge_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 { 17 %tid = call i32 @llvm.r600.read.tidig.x() #1 18 %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid 19 %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1 20 21 %a = load float, float addrspace(1)* %gep.0, align 4 22 %b = load float, float addrspace(1)* %gep.1, align 4 23 24 %cmp = fcmp uge float %a, %b 25 %val = select i1 %cmp, float %a, float %b 26 store float %val, float addrspace(1)* %out, align 4 27 ret void 28 } 29 30 ; FUNC-LABEL: @test_fmax_legacy_oge_f32 31 ; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}} 32 ; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4 33 ; SI-SAFE: v_max_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]] 34 ; SI-NONAN: v_max_f32_e32 {{v[0-9]+}}, [[B]], [[A]] 35 ; EG: MAX 36 define void @test_fmax_legacy_oge_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 { 37 %tid = call i32 @llvm.r600.read.tidig.x() #1 38 %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid 39 %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1 40 41 %a = load float, float addrspace(1)* %gep.0, align 4 42 %b = load float, float addrspace(1)* %gep.1, align 4 43 44 %cmp = fcmp oge float %a, %b 45 %val = select i1 %cmp, float %a, float %b 46 store float %val, float addrspace(1)* %out, align 4 47 ret void 48 } 49 50 ; FUNC-LABEL: @test_fmax_legacy_ugt_f32 51 ; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}} 52 ; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4 53 ; SI-SAFE: v_max_legacy_f32_e32 {{v[0-9]+}}, [[B]], [[A]] 54 ; SI-NONAN: v_max_f32_e32 {{v[0-9]+}}, [[B]], [[A]] 55 ; EG: MAX 56 define void @test_fmax_legacy_ugt_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 { 57 %tid = call i32 @llvm.r600.read.tidig.x() #1 58 %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid 59 %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1 60 61 %a = load float, float addrspace(1)* %gep.0, align 4 62 %b = load float, float addrspace(1)* %gep.1, align 4 63 64 %cmp = fcmp ugt float %a, %b 65 %val = select i1 %cmp, float %a, float %b 66 store float %val, float addrspace(1)* %out, align 4 67 ret void 68 } 69 70 ; FUNC-LABEL: @test_fmax_legacy_ogt_f32 71 ; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}} 72 ; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4 73 ; SI-SAFE: v_max_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]] 74 ; SI-NONAN: v_max_f32_e32 {{v[0-9]+}}, [[B]], [[A]] 75 ; EG: MAX 76 define void @test_fmax_legacy_ogt_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 { 77 %tid = call i32 @llvm.r600.read.tidig.x() #1 78 %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid 79 %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1 80 81 %a = load float, float addrspace(1)* %gep.0, align 4 82 %b = load float, float addrspace(1)* %gep.1, align 4 83 84 %cmp = fcmp ogt float %a, %b 85 %val = select i1 %cmp, float %a, float %b 86 store float %val, float addrspace(1)* %out, align 4 87 ret void 88 } 89 90 ; FUNC-LABEL: {{^}}test_fmax_legacy_ogt_v1f32: 91 ; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}} 92 ; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4 93 ; SI-SAFE: v_max_legacy_f32_e32 {{v[0-9]+}}, [[A]], [[B]] 94 ; SI-NONAN: v_max_f32_e32 {{v[0-9]+}}, [[B]], [[A]] 95 ; EG: MAX 96 define void @test_fmax_legacy_ogt_v1f32(<1 x float> addrspace(1)* %out, <1 x float> addrspace(1)* %in) #0 { 97 %tid = call i32 @llvm.r600.read.tidig.x() #1 98 %gep.0 = getelementptr <1 x float>, <1 x float> addrspace(1)* %in, i32 %tid 99 %gep.1 = getelementptr <1 x float>, <1 x float> addrspace(1)* %gep.0, i32 1 100 101 %a = load <1 x float>, <1 x float> addrspace(1)* %gep.0 102 %b = load <1 x float>, <1 x float> addrspace(1)* %gep.1 103 104 %cmp = fcmp ogt <1 x float> %a, %b 105 %val = select <1 x i1> %cmp, <1 x float> %a, <1 x float> %b 106 store <1 x float> %val, <1 x float> addrspace(1)* %out 107 ret void 108 } 109 110 ; FUNC-LABEL: {{^}}test_fmax_legacy_ogt_v3f32: 111 ; SI-SAFE: v_max_legacy_f32_e32 112 ; SI-SAFE: v_max_legacy_f32_e32 113 ; SI-SAFE: v_max_legacy_f32_e32 114 ; SI-NONAN: v_max_f32_e32 115 ; SI-NONAN: v_max_f32_e32 116 ; SI-NONAN: v_max_f32_e32 117 define void @test_fmax_legacy_ogt_v3f32(<3 x float> addrspace(1)* %out, <3 x float> addrspace(1)* %in) #0 { 118 %tid = call i32 @llvm.r600.read.tidig.x() #1 119 %gep.0 = getelementptr <3 x float>, <3 x float> addrspace(1)* %in, i32 %tid 120 %gep.1 = getelementptr <3 x float>, <3 x float> addrspace(1)* %gep.0, i32 1 121 122 %a = load <3 x float>, <3 x float> addrspace(1)* %gep.0 123 %b = load <3 x float>, <3 x float> addrspace(1)* %gep.1 124 125 %cmp = fcmp ogt <3 x float> %a, %b 126 %val = select <3 x i1> %cmp, <3 x float> %a, <3 x float> %b 127 store <3 x float> %val, <3 x float> addrspace(1)* %out 128 ret void 129 } 130 131 ; FUNC-LABEL: @test_fmax_legacy_ogt_f32_multi_use 132 ; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}} 133 ; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4 134 ; SI-NOT: v_max_ 135 ; SI: v_cmp_gt_f32 136 ; SI-NEXT: v_cndmask_b32 137 ; SI-NOT: v_max_ 138 139 ; EG: MAX 140 define void @test_fmax_legacy_ogt_f32_multi_use(float addrspace(1)* %out0, i1 addrspace(1)* %out1, float addrspace(1)* %in) #0 { 141 %tid = call i32 @llvm.r600.read.tidig.x() #1 142 %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid 143 %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1 144 145 %a = load float, float addrspace(1)* %gep.0, align 4 146 %b = load float, float addrspace(1)* %gep.1, align 4 147 148 %cmp = fcmp ogt float %a, %b 149 %val = select i1 %cmp, float %a, float %b 150 store float %val, float addrspace(1)* %out0, align 4 151 store i1 %cmp, i1addrspace(1)* %out1 152 ret void 153 } 154 155 attributes #0 = { nounwind } 156 attributes #1 = { nounwind readnone } 157
