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 7declare 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 16define 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 addrspace(1)* %in, i32 %tid 19 %gep.1 = getelementptr float addrspace(1)* %gep.0, i32 1 20 21 %a = load float addrspace(1)* %gep.0, align 4 22 %b = load 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 36define 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 addrspace(1)* %in, i32 %tid 39 %gep.1 = getelementptr float addrspace(1)* %gep.0, i32 1 40 41 %a = load float addrspace(1)* %gep.0, align 4 42 %b = load 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 56define 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 addrspace(1)* %in, i32 %tid 59 %gep.1 = getelementptr float addrspace(1)* %gep.0, i32 1 60 61 %a = load float addrspace(1)* %gep.0, align 4 62 %b = load 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 76define 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 addrspace(1)* %in, i32 %tid 79 %gep.1 = getelementptr float addrspace(1)* %gep.0, i32 1 80 81 %a = load float addrspace(1)* %gep.0, align 4 82 %b = load 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 91; FUNC-LABEL: @test_fmax_legacy_ogt_f32_multi_use 92; SI: buffer_load_dword [[A:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}} 93; SI: buffer_load_dword [[B:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4 94; SI-NOT: v_max_ 95; SI: v_cmp_gt_f32 96; SI-NEXT: v_cndmask_b32 97; SI-NOT: v_max_ 98 99; EG: MAX 100define void @test_fmax_legacy_ogt_f32_multi_use(float addrspace(1)* %out0, i1 addrspace(1)* %out1, float addrspace(1)* %in) #0 { 101 %tid = call i32 @llvm.r600.read.tidig.x() #1 102 %gep.0 = getelementptr float addrspace(1)* %in, i32 %tid 103 %gep.1 = getelementptr float addrspace(1)* %gep.0, i32 1 104 105 %a = load float addrspace(1)* %gep.0, align 4 106 %b = load float addrspace(1)* %gep.1, align 4 107 108 %cmp = fcmp ogt float %a, %b 109 %val = select i1 %cmp, float %a, float %b 110 store float %val, float addrspace(1)* %out0, align 4 111 store i1 %cmp, i1addrspace(1)* %out1 112 ret void 113} 114 115attributes #0 = { nounwind } 116attributes #1 = { nounwind readnone } 117