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2dfb6d03c5
PeepholeOptimizer cleans up redundant copies, which makes the operand folding more effective. shader-db stats: Totals: SGPRS: 34200 -> 34336 (0.40 %) VGPRS: 22118 -> 21655 (-2.09 %) Code Size: 632144 -> 633460 (0.21 %) bytes LDS: 11 -> 11 (0.00 %) blocks Scratch: 10240 -> 11264 (10.00 %) bytes per wave Max Waves: 8822 -> 8918 (1.09 %) Wait states: 0 -> 0 (0.00 %) Totals from affected shaders: SGPRS: 7704 -> 7840 (1.77 %) VGPRS: 5169 -> 4706 (-8.96 %) Code Size: 234444 -> 235760 (0.56 %) bytes LDS: 2 -> 2 (0.00 %) blocks Scratch: 0 -> 1024 (0.00 %) bytes per wave Max Waves: 1188 -> 1284 (8.08 %) Wait states: 0 -> 0 (0.00 %) Increases: SGPRS: 35 (0.01 %) VGPRS: 1 (0.00 %) Code Size: 59 (0.02 %) LDS: 0 (0.00 %) Scratch: 1 (0.00 %) Max Waves: 48 (0.02 %) Wait states: 0 (0.00 %) Decreases: SGPRS: 26 (0.01 %) VGPRS: 54 (0.02 %) Code Size: 68 (0.03 %) LDS: 0 (0.00 %) Scratch: 0 (0.00 %) Max Waves: 4 (0.00 %) Wait states: 0 (0.00 %) llvm-svn: 266378
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\[[0-9]+:[0-9]+\]}}, {{v\[[0-9]+:[0-9]+\]}}, 2.0
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; GCN: v_min_f64 {{v\[[0-9]+:[0-9]+\]}}, {{v\[[0-9]+:[0-9]+\]}}, 4.0
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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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