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https://github.com/RPCS3/llvm-mirror.git
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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
93 lines
4.2 KiB
LLVM
93 lines
4.2 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
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declare float @llvm.fma.f32(float, float, float) nounwind readnone
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declare <2 x float> @llvm.fma.v2f32(<2 x float>, <2 x float>, <2 x float>) nounwind readnone
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declare <4 x float> @llvm.fma.v4f32(<4 x float>, <4 x float>, <4 x float>) nounwind readnone
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declare i32 @llvm.r600.read.tidig.x() nounwind readnone
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; FUNC-LABEL: {{^}}fma_f32:
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; SI: v_fma_f32 {{v[0-9]+, v[0-9]+, v[0-9]+, v[0-9]+}}
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; EG: MEM_RAT_{{.*}} STORE_{{.*}} [[RES:T[0-9]\.[XYZW]]], {{T[0-9]\.[XYZW]}},
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; EG: FMA {{\*? *}}[[RES]]
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define void @fma_f32(float addrspace(1)* %out, float addrspace(1)* %in1,
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float addrspace(1)* %in2, float addrspace(1)* %in3) {
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%r0 = load float, float addrspace(1)* %in1
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%r1 = load float, float addrspace(1)* %in2
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%r2 = load float, float addrspace(1)* %in3
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%r3 = tail call float @llvm.fma.f32(float %r0, float %r1, float %r2)
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store float %r3, float addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}fma_v2f32:
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; SI: v_fma_f32
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; SI: v_fma_f32
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; EG: MEM_RAT_{{.*}} STORE_{{.*}} [[RES:T[0-9]]].[[CHLO:[XYZW]]][[CHHI:[XYZW]]], {{T[0-9]\.[XYZW]}},
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; EG-DAG: FMA {{\*? *}}[[RES]].[[CHLO]]
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; EG-DAG: FMA {{\*? *}}[[RES]].[[CHHI]]
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define void @fma_v2f32(<2 x float> addrspace(1)* %out, <2 x float> addrspace(1)* %in1,
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<2 x float> addrspace(1)* %in2, <2 x float> addrspace(1)* %in3) {
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%r0 = load <2 x float>, <2 x float> addrspace(1)* %in1
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%r1 = load <2 x float>, <2 x float> addrspace(1)* %in2
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%r2 = load <2 x float>, <2 x float> addrspace(1)* %in3
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%r3 = tail call <2 x float> @llvm.fma.v2f32(<2 x float> %r0, <2 x float> %r1, <2 x float> %r2)
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store <2 x float> %r3, <2 x float> addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: {{^}}fma_v4f32:
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; SI: v_fma_f32
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; SI: v_fma_f32
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; SI: v_fma_f32
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; SI: v_fma_f32
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; EG: MEM_RAT_{{.*}} STORE_{{.*}} [[RES:T[0-9]]].{{[XYZW][XYZW][XYZW][XYZW]}}, {{T[0-9]\.[XYZW]}},
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; EG-DAG: FMA {{\*? *}}[[RES]].X
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; EG-DAG: FMA {{\*? *}}[[RES]].Y
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; EG-DAG: FMA {{\*? *}}[[RES]].Z
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; EG-DAG: FMA {{\*? *}}[[RES]].W
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define void @fma_v4f32(<4 x float> addrspace(1)* %out, <4 x float> addrspace(1)* %in1,
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<4 x float> addrspace(1)* %in2, <4 x float> addrspace(1)* %in3) {
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%r0 = load <4 x float>, <4 x float> addrspace(1)* %in1
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%r1 = load <4 x float>, <4 x float> addrspace(1)* %in2
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%r2 = load <4 x float>, <4 x float> addrspace(1)* %in3
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%r3 = tail call <4 x float> @llvm.fma.v4f32(<4 x float> %r0, <4 x float> %r1, <4 x float> %r2)
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store <4 x float> %r3, <4 x float> addrspace(1)* %out
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ret void
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}
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; FUNC-LABEL: @fma_commute_mul_inline_imm_f32
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; SI: v_fma_f32 {{v[0-9]+}}, {{v[0-9]+}}, 2.0, {{v[0-9]+}}
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define void @fma_commute_mul_inline_imm_f32(float addrspace(1)* noalias %out, float addrspace(1)* noalias %in.a, float addrspace(1)* noalias %in.b) nounwind {
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%tid = tail call i32 @llvm.r600.read.tidig.x() nounwind readnone
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%in.a.gep = getelementptr float, float addrspace(1)* %in.a, i32 %tid
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%in.b.gep = getelementptr float, float addrspace(1)* %in.b, i32 %tid
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%out.gep = getelementptr float, float addrspace(1)* %out, i32 %tid
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%a = load float, float addrspace(1)* %in.a.gep, align 4
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%b = load float, float addrspace(1)* %in.b.gep, align 4
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%fma = call float @llvm.fma.f32(float %a, float 2.0, float %b)
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store float %fma, float addrspace(1)* %out.gep, align 4
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ret void
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}
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; FUNC-LABEL: @fma_commute_mul_s_f32
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define void @fma_commute_mul_s_f32(float addrspace(1)* noalias %out, float addrspace(1)* noalias %in.a, float addrspace(1)* noalias %in.b, float %b) nounwind {
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%tid = tail call i32 @llvm.r600.read.tidig.x() nounwind readnone
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%in.a.gep = getelementptr float, float addrspace(1)* %in.a, i32 %tid
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%in.b.gep = getelementptr float, float addrspace(1)* %in.b, i32 %tid
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%out.gep = getelementptr float, float addrspace(1)* %out, i32 %tid
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%a = load float, float addrspace(1)* %in.a.gep, align 4
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%c = load float, float addrspace(1)* %in.b.gep, align 4
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%fma = call float @llvm.fma.f32(float %a, float %b, float %c)
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store float %fma, float addrspace(1)* %out.gep, align 4
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ret void
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}
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