forked from OSchip/llvm-project
155 lines
6.2 KiB
LLVM
155 lines
6.2 KiB
LLVM
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=NOSNAN -check-prefix=GCN %s
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; RUN: llc -march=amdgcn -mattr=+fp-exceptions -verify-machineinstrs < %s | FileCheck -check-prefix=SNAN -check-prefix=GCN %s
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declare i32 @llvm.r600.read.tidig.x() #0
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declare float @llvm.minnum.f32(float, float) #0
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declare float @llvm.maxnum.f32(float, float) #0
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declare double @llvm.minnum.f64(double, double) #0
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declare double @llvm.maxnum.f64(double, double) #0
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; GCN-LABEL: {{^}}v_test_fmed3_r_i_i_f32:
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; NOSNAN: v_med3_f32 v{{[0-9]+}}, v{{[0-9]+}}, 2.0, 4.0
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; SNAN: v_max_f32_e32 v{{[0-9]+}}, 2.0, v{{[0-9]+}}
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; SNAN: v_min_f32_e32 v{{[0-9]+}}, 4.0, v{{[0-9]+}}
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define void @v_test_fmed3_r_i_i_f32(float addrspace(1)* %out, float addrspace(1)* %aptr) #1 {
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%tid = call i32 @llvm.r600.read.tidig.x()
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%gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid
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%outgep = getelementptr float, float addrspace(1)* %out, i32 %tid
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%a = load float, float addrspace(1)* %gep0
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%max = call float @llvm.maxnum.f32(float %a, float 2.0)
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%med = call float @llvm.minnum.f32(float %max, float 4.0)
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store float %med, float addrspace(1)* %outgep
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ret void
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}
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; GCN-LABEL: {{^}}v_test_fmed3_r_i_i_commute0_f32:
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; NOSNAN: v_med3_f32 v{{[0-9]+}}, v{{[0-9]+}}, 2.0, 4.0
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; SNAN: v_max_f32_e32 v{{[0-9]+}}, 2.0, v{{[0-9]+}}
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; SNAN: v_min_f32_e32 v{{[0-9]+}}, 4.0, v{{[0-9]+}}
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define void @v_test_fmed3_r_i_i_commute0_f32(float addrspace(1)* %out, float addrspace(1)* %aptr) #1 {
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%tid = call i32 @llvm.r600.read.tidig.x()
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%gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid
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%outgep = getelementptr float, float addrspace(1)* %out, i32 %tid
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%a = load float, float addrspace(1)* %gep0
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%max = call float @llvm.maxnum.f32(float 2.0, float %a)
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%med = call float @llvm.minnum.f32(float 4.0, float %max)
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store float %med, float addrspace(1)* %outgep
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ret void
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}
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; GCN-LABEL: {{^}}v_test_fmed3_r_i_i_commute1_f32:
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; NOSNAN: v_med3_f32 v{{[0-9]+}}, v{{[0-9]+}}, 2.0, 4.0
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; SNAN: v_max_f32_e32 v{{[0-9]+}}, 2.0, v{{[0-9]+}}
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; SNAN: v_min_f32_e32 v{{[0-9]+}}, 4.0, v{{[0-9]+}}
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define void @v_test_fmed3_r_i_i_commute1_f32(float addrspace(1)* %out, float addrspace(1)* %aptr) #1 {
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%tid = call i32 @llvm.r600.read.tidig.x()
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%gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid
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%outgep = getelementptr float, float addrspace(1)* %out, i32 %tid
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%a = load float, float addrspace(1)* %gep0
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%max = call float @llvm.maxnum.f32(float %a, float 2.0)
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%med = call float @llvm.minnum.f32(float 4.0, float %max)
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store float %med, float addrspace(1)* %outgep
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ret void
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}
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; GCN-LABEL: {{^}}v_test_fmed3_r_i_i_constant_order_f32:
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; GCN: v_max_f32_e32 v{{[0-9]+}}, 4.0, v{{[0-9]+}}
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; GCN: v_min_f32_e32 v{{[0-9]+}}, 2.0, v{{[0-9]+}}
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define void @v_test_fmed3_r_i_i_constant_order_f32(float addrspace(1)* %out, float addrspace(1)* %aptr) #1 {
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%tid = call i32 @llvm.r600.read.tidig.x()
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%gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid
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%outgep = getelementptr float, float addrspace(1)* %out, i32 %tid
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%a = load float, float addrspace(1)* %gep0
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%max = call float @llvm.maxnum.f32(float %a, float 4.0)
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%med = call float @llvm.minnum.f32(float %max, float 2.0)
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store float %med, float addrspace(1)* %outgep
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ret void
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}
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; GCN-LABEL: {{^}}v_test_fmed3_r_i_i_multi_use_f32:
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; GCN: v_max_f32_e32 v{{[0-9]+}}, 2.0, v{{[0-9]+}}
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; GCN: v_min_f32_e32 v{{[0-9]+}}, 4.0, v{{[0-9]+}}
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define void @v_test_fmed3_r_i_i_multi_use_f32(float addrspace(1)* %out, float addrspace(1)* %aptr) #1 {
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%tid = call i32 @llvm.r600.read.tidig.x()
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%gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid
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%outgep = getelementptr float, float addrspace(1)* %out, i32 %tid
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%a = load float, float addrspace(1)* %gep0
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%max = call float @llvm.maxnum.f32(float %a, float 2.0)
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%med = call float @llvm.minnum.f32(float %max, float 4.0)
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store volatile float %med, float addrspace(1)* %outgep
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store volatile float %max, float addrspace(1)* %outgep
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ret void
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}
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; GCN-LABEL: {{^}}v_test_fmed3_r_i_i_f64:
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; GCN: v_max_f64 {{v\[[0-9]+:[0-9]+\]}}, 2.0, {{v\[[0-9]+:[0-9]+\]}}
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; GCN: v_min_f64 {{v\[[0-9]+:[0-9]+\]}}, 4.0, {{v\[[0-9]+:[0-9]+\]}}
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define void @v_test_fmed3_r_i_i_f64(double addrspace(1)* %out, double addrspace(1)* %aptr) #1 {
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%tid = call i32 @llvm.r600.read.tidig.x()
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%gep0 = getelementptr double, double addrspace(1)* %aptr, i32 %tid
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%outgep = getelementptr double, double addrspace(1)* %out, i32 %tid
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%a = load double, double addrspace(1)* %gep0
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%max = call double @llvm.maxnum.f64(double %a, double 2.0)
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%med = call double @llvm.minnum.f64(double %max, double 4.0)
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store double %med, double addrspace(1)* %outgep
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ret void
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}
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; GCN-LABEL: {{^}}v_test_fmed3_r_i_i_no_nans_f32:
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; GCN: v_med3_f32 v{{[0-9]+}}, v{{[0-9]+}}, 2.0, 4.0
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define void @v_test_fmed3_r_i_i_no_nans_f32(float addrspace(1)* %out, float addrspace(1)* %aptr) #2 {
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%tid = call i32 @llvm.r600.read.tidig.x()
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%gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid
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%outgep = getelementptr float, float addrspace(1)* %out, i32 %tid
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%a = load float, float addrspace(1)* %gep0
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%max = call float @llvm.maxnum.f32(float %a, float 2.0)
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%med = call float @llvm.minnum.f32(float %max, float 4.0)
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store float %med, float addrspace(1)* %outgep
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ret void
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}
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; GCN-LABEL: {{^}}v_test_legacy_fmed3_r_i_i_f32:
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; NOSNAN: v_med3_f32 v{{[0-9]+}}, v{{[0-9]+}}, 2.0, 4.0
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; SNAN: v_max_f32_e32 v{{[0-9]+}}, 2.0, v{{[0-9]+}}
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; SNAN: v_min_f32_e32 v{{[0-9]+}}, 4.0, v{{[0-9]+}}
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define void @v_test_legacy_fmed3_r_i_i_f32(float addrspace(1)* %out, float addrspace(1)* %aptr) #1 {
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%tid = call i32 @llvm.r600.read.tidig.x()
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%gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid
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%outgep = getelementptr float, float addrspace(1)* %out, i32 %tid
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%a = load float, float addrspace(1)* %gep0
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; fmax_legacy
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%cmp0 = fcmp ule float %a, 2.0
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%max = select i1 %cmp0, float 2.0, float %a
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; fmin_legacy
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%cmp1 = fcmp uge float %max, 4.0
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%med = select i1 %cmp1, float 4.0, float %max
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store float %med, float addrspace(1)* %outgep
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ret void
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}
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attributes #0 = { nounwind readnone }
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attributes #1 = { nounwind "unsafe-fp-math"="false" "no-nans-fp-math"="false" }
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attributes #2 = { nounwind "unsafe-fp-math"="false" "no-nans-fp-math"="true" }
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