1 ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=NOSNAN -check-prefix=GCN %s 2 ; RUN: llc -march=amdgcn -mattr=+fp-exceptions -verify-machineinstrs < %s | FileCheck -check-prefix=SNAN -check-prefix=GCN %s 3 4 declare i32 @llvm.amdgcn.workitem.id.x() #0 5 declare float @llvm.minnum.f32(float, float) #0 6 declare float @llvm.maxnum.f32(float, float) #0 7 declare double @llvm.minnum.f64(double, double) #0 8 declare double @llvm.maxnum.f64(double, double) #0 9 10 ; GCN-LABEL: {{^}}v_test_fmed3_r_i_i_f32: 11 ; NOSNAN: v_med3_f32 v{{[0-9]+}}, v{{[0-9]+}}, 2.0, 4.0 12 13 ; SNAN: v_max_f32_e32 v{{[0-9]+}}, 2.0, v{{[0-9]+}} 14 ; SNAN: v_min_f32_e32 v{{[0-9]+}}, 4.0, v{{[0-9]+}} 15 define void @v_test_fmed3_r_i_i_f32(float addrspace(1)* %out, float addrspace(1)* %aptr) #1 { 16 %tid = call i32 @llvm.amdgcn.workitem.id.x() 17 %gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid 18 %outgep = getelementptr float, float addrspace(1)* %out, i32 %tid 19 %a = load float, float addrspace(1)* %gep0 20 21 %max = call float @llvm.maxnum.f32(float %a, float 2.0) 22 %med = call float @llvm.minnum.f32(float %max, float 4.0) 23 24 store float %med, float addrspace(1)* %outgep 25 ret void 26 } 27 28 ; GCN-LABEL: {{^}}v_test_fmed3_r_i_i_commute0_f32: 29 ; NOSNAN: v_med3_f32 v{{[0-9]+}}, v{{[0-9]+}}, 2.0, 4.0 30 31 ; SNAN: v_max_f32_e32 v{{[0-9]+}}, 2.0, v{{[0-9]+}} 32 ; SNAN: v_min_f32_e32 v{{[0-9]+}}, 4.0, v{{[0-9]+}} 33 define void @v_test_fmed3_r_i_i_commute0_f32(float addrspace(1)* %out, float addrspace(1)* %aptr) #1 { 34 %tid = call i32 @llvm.amdgcn.workitem.id.x() 35 %gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid 36 %outgep = getelementptr float, float addrspace(1)* %out, i32 %tid 37 %a = load float, float addrspace(1)* %gep0 38 39 %max = call float @llvm.maxnum.f32(float 2.0, float %a) 40 %med = call float @llvm.minnum.f32(float 4.0, float %max) 41 42 store float %med, float addrspace(1)* %outgep 43 ret void 44 } 45 46 ; GCN-LABEL: {{^}}v_test_fmed3_r_i_i_commute1_f32: 47 ; NOSNAN: v_med3_f32 v{{[0-9]+}}, v{{[0-9]+}}, 2.0, 4.0 48 49 ; SNAN: v_max_f32_e32 v{{[0-9]+}}, 2.0, v{{[0-9]+}} 50 ; SNAN: v_min_f32_e32 v{{[0-9]+}}, 4.0, v{{[0-9]+}} 51 define void @v_test_fmed3_r_i_i_commute1_f32(float addrspace(1)* %out, float addrspace(1)* %aptr) #1 { 52 %tid = call i32 @llvm.amdgcn.workitem.id.x() 53 %gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid 54 %outgep = getelementptr float, float addrspace(1)* %out, i32 %tid 55 %a = load float, float addrspace(1)* %gep0 56 57 %max = call float @llvm.maxnum.f32(float %a, float 2.0) 58 %med = call float @llvm.minnum.f32(float 4.0, float %max) 59 60 store float %med, float addrspace(1)* %outgep 61 ret void 62 } 63 64 ; GCN-LABEL: {{^}}v_test_fmed3_r_i_i_constant_order_f32: 65 ; GCN: v_max_f32_e32 v{{[0-9]+}}, 4.0, v{{[0-9]+}} 66 ; GCN: v_min_f32_e32 v{{[0-9]+}}, 2.0, v{{[0-9]+}} 67 define void @v_test_fmed3_r_i_i_constant_order_f32(float addrspace(1)* %out, float addrspace(1)* %aptr) #1 { 68 %tid = call i32 @llvm.amdgcn.workitem.id.x() 69 %gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid 70 %outgep = getelementptr float, float addrspace(1)* %out, i32 %tid 71 %a = load float, float addrspace(1)* %gep0 72 73 %max = call float @llvm.maxnum.f32(float %a, float 4.0) 74 %med = call float @llvm.minnum.f32(float %max, float 2.0) 75 76 store float %med, float addrspace(1)* %outgep 77 ret void 78 } 79 80 81 ; GCN-LABEL: {{^}}v_test_fmed3_r_i_i_multi_use_f32: 82 ; GCN: v_max_f32_e32 v{{[0-9]+}}, 2.0, v{{[0-9]+}} 83 ; GCN: v_min_f32_e32 v{{[0-9]+}}, 4.0, v{{[0-9]+}} 84 define void @v_test_fmed3_r_i_i_multi_use_f32(float addrspace(1)* %out, float addrspace(1)* %aptr) #1 { 85 %tid = call i32 @llvm.amdgcn.workitem.id.x() 86 %gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid 87 %outgep = getelementptr float, float addrspace(1)* %out, i32 %tid 88 %a = load float, float addrspace(1)* %gep0 89 90 %max = call float @llvm.maxnum.f32(float %a, float 2.0) 91 %med = call float @llvm.minnum.f32(float %max, float 4.0) 92 93 store volatile float %med, float addrspace(1)* %outgep 94 store volatile float %max, float addrspace(1)* %outgep 95 ret void 96 } 97 98 ; GCN-LABEL: {{^}}v_test_fmed3_r_i_i_f64: 99 ; GCN: v_max_f64 {{v\[[0-9]+:[0-9]+\]}}, {{v\[[0-9]+:[0-9]+\]}}, 2.0 100 ; GCN: v_min_f64 {{v\[[0-9]+:[0-9]+\]}}, {{v\[[0-9]+:[0-9]+\]}}, 4.0 101 define void @v_test_fmed3_r_i_i_f64(double addrspace(1)* %out, double addrspace(1)* %aptr) #1 { 102 %tid = call i32 @llvm.amdgcn.workitem.id.x() 103 %gep0 = getelementptr double, double addrspace(1)* %aptr, i32 %tid 104 %outgep = getelementptr double, double addrspace(1)* %out, i32 %tid 105 %a = load double, double addrspace(1)* %gep0 106 107 %max = call double @llvm.maxnum.f64(double %a, double 2.0) 108 %med = call double @llvm.minnum.f64(double %max, double 4.0) 109 110 store double %med, double addrspace(1)* %outgep 111 ret void 112 } 113 114 ; GCN-LABEL: {{^}}v_test_fmed3_r_i_i_no_nans_f32: 115 ; GCN: v_med3_f32 v{{[0-9]+}}, v{{[0-9]+}}, 2.0, 4.0 116 define void @v_test_fmed3_r_i_i_no_nans_f32(float addrspace(1)* %out, float addrspace(1)* %aptr) #2 { 117 %tid = call i32 @llvm.amdgcn.workitem.id.x() 118 %gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid 119 %outgep = getelementptr float, float addrspace(1)* %out, i32 %tid 120 %a = load float, float addrspace(1)* %gep0 121 122 %max = call float @llvm.maxnum.f32(float %a, float 2.0) 123 %med = call float @llvm.minnum.f32(float %max, float 4.0) 124 125 store float %med, float addrspace(1)* %outgep 126 ret void 127 } 128 129 ; GCN-LABEL: {{^}}v_test_legacy_fmed3_r_i_i_f32: 130 ; NOSNAN: v_med3_f32 v{{[0-9]+}}, v{{[0-9]+}}, 2.0, 4.0 131 132 ; SNAN: v_max_f32_e32 v{{[0-9]+}}, 2.0, v{{[0-9]+}} 133 ; SNAN: v_min_f32_e32 v{{[0-9]+}}, 4.0, v{{[0-9]+}} 134 define void @v_test_legacy_fmed3_r_i_i_f32(float addrspace(1)* %out, float addrspace(1)* %aptr) #1 { 135 %tid = call i32 @llvm.amdgcn.workitem.id.x() 136 %gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid 137 %outgep = getelementptr float, float addrspace(1)* %out, i32 %tid 138 %a = load float, float addrspace(1)* %gep0 139 140 ; fmax_legacy 141 %cmp0 = fcmp ule float %a, 2.0 142 %max = select i1 %cmp0, float 2.0, float %a 143 144 ; fmin_legacy 145 %cmp1 = fcmp uge float %max, 4.0 146 %med = select i1 %cmp1, float 4.0, float %max 147 148 store float %med, float addrspace(1)* %outgep 149 ret void 150 } 151 152 attributes #0 = { nounwind readnone } 153 attributes #1 = { nounwind "unsafe-fp-math"="false" "no-nans-fp-math"="false" } 154 attributes #2 = { nounwind "unsafe-fp-math"="false" "no-nans-fp-math"="true" } 155
