1 ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
3 declare i32 @llvm.amdgcn.workitem.id.x() #1
4 declare float @llvm.fabs.f32(float) #1
5 declare float @llvm.fma.f32(float, float, float) nounwind readnone
7 ; FUNC-LABEL: @commute_add_imm_fabs_f32
8 ; SI: buffer_load_dword [[X:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
9 ; SI: v_add_f32_e64 [[REG:v[0-9]+]], |[[X]]|, 2.0
10 ; SI: buffer_store_dword [[REG]]
11 define amdgpu_kernel void @commute_add_imm_fabs_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
12 %tid = call i32 @llvm.amdgcn.workitem.id.x() #1
13 %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
14 %x = load float, float addrspace(1)* %gep.0
15 %x.fabs = call float @llvm.fabs.f32(float %x) #1
16 %z = fadd float 2.0, %x.fabs
17 store float %z, float addrspace(1)* %out
21 ; FUNC-LABEL: @commute_mul_imm_fneg_fabs_f32
22 ; SI: buffer_load_dword [[X:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
23 ; SI: v_mul_f32_e64 [[REG:v[0-9]+]], |[[X]]|, -4.0
24 ; SI: buffer_store_dword [[REG]]
25 define amdgpu_kernel void @commute_mul_imm_fneg_fabs_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
26 %tid = call i32 @llvm.amdgcn.workitem.id.x() #1
27 %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
28 %x = load float, float addrspace(1)* %gep.0
29 %x.fabs = call float @llvm.fabs.f32(float %x) #1
30 %x.fneg.fabs = fsub float -0.000000e+00, %x.fabs
31 %z = fmul float 4.0, %x.fneg.fabs
32 store float %z, float addrspace(1)* %out
36 ; FUNC-LABEL: @commute_mul_imm_fneg_f32
37 ; SI: buffer_load_dword [[X:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
38 ; SI: v_mul_f32_e32 [[REG:v[0-9]+]], -4.0, [[X]]
39 ; SI: buffer_store_dword [[REG]]
40 define amdgpu_kernel void @commute_mul_imm_fneg_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
41 %tid = call i32 @llvm.amdgcn.workitem.id.x() #1
42 %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
43 %x = load float, float addrspace(1)* %gep.0
44 %x.fneg = fsub float -0.000000e+00, %x
45 %z = fmul float 4.0, %x.fneg
46 store float %z, float addrspace(1)* %out
50 ; FIXME: Should use SGPR for literal.
51 ; FUNC-LABEL: @commute_add_lit_fabs_f32
52 ; SI: buffer_load_dword [[X:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
53 ; SI: s_mov_b32 [[K:s[0-9]+]], 0x44800000
54 ; SI: v_add_f32_e64 [[REG:v[0-9]+]], |[[X]]|, [[K]]
55 ; SI: buffer_store_dword [[REG]]
56 define amdgpu_kernel void @commute_add_lit_fabs_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
57 %tid = call i32 @llvm.amdgcn.workitem.id.x() #1
58 %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
59 %x = load float, float addrspace(1)* %gep.0
60 %x.fabs = call float @llvm.fabs.f32(float %x) #1
61 %z = fadd float 1024.0, %x.fabs
62 store float %z, float addrspace(1)* %out
66 ; FUNC-LABEL: @commute_add_fabs_f32
67 ; SI-DAG: buffer_load_dword [[X:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
68 ; SI-DAG: buffer_load_dword [[Y:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
69 ; SI: v_add_f32_e64 [[REG:v[0-9]+]], [[X]], |[[Y]]|
70 ; SI: buffer_store_dword [[REG]]
71 define amdgpu_kernel void @commute_add_fabs_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
72 %tid = call i32 @llvm.amdgcn.workitem.id.x() #1
73 %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
74 %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
75 %x = load volatile float, float addrspace(1)* %gep.0
76 %y = load volatile float, float addrspace(1)* %gep.1
77 %y.fabs = call float @llvm.fabs.f32(float %y) #1
78 %z = fadd float %x, %y.fabs
79 store float %z, float addrspace(1)* %out
83 ; FUNC-LABEL: @commute_mul_fneg_f32
84 ; SI-DAG: buffer_load_dword [[X:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
85 ; SI-DAG: buffer_load_dword [[Y:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
86 ; SI: v_mul_f32_e64 [[REG:v[0-9]+]], [[X]], -[[Y]]
87 ; SI: buffer_store_dword [[REG]]
88 define amdgpu_kernel void @commute_mul_fneg_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
89 %tid = call i32 @llvm.amdgcn.workitem.id.x() #1
90 %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
91 %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
92 %x = load volatile float, float addrspace(1)* %gep.0
93 %y = load volatile float, float addrspace(1)* %gep.1
94 %y.fneg = fsub float -0.000000e+00, %y
95 %z = fmul float %x, %y.fneg
96 store float %z, float addrspace(1)* %out
100 ; FUNC-LABEL: @commute_mul_fabs_fneg_f32
101 ; SI-DAG: buffer_load_dword [[X:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
102 ; SI-DAG: buffer_load_dword [[Y:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
103 ; SI: v_mul_f32_e64 [[REG:v[0-9]+]], [[X]], -|[[Y]]|
104 ; SI: buffer_store_dword [[REG]]
105 define amdgpu_kernel void @commute_mul_fabs_fneg_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
106 %tid = call i32 @llvm.amdgcn.workitem.id.x() #1
107 %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
108 %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
109 %x = load volatile float, float addrspace(1)* %gep.0
110 %y = load volatile float, float addrspace(1)* %gep.1
111 %y.fabs = call float @llvm.fabs.f32(float %y) #1
112 %y.fabs.fneg = fsub float -0.000000e+00, %y.fabs
113 %z = fmul float %x, %y.fabs.fneg
114 store float %z, float addrspace(1)* %out
118 ; There's no reason to commute this.
119 ; FUNC-LABEL: @commute_mul_fabs_x_fabs_y_f32
120 ; SI-DAG: buffer_load_dword [[X:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
121 ; SI-DAG: buffer_load_dword [[Y:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
122 ; SI: v_mul_f32_e64 [[REG:v[0-9]+]], |[[X]]|, |[[Y]]|
123 ; SI: buffer_store_dword [[REG]]
124 define amdgpu_kernel void @commute_mul_fabs_x_fabs_y_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
125 %tid = call i32 @llvm.amdgcn.workitem.id.x() #1
126 %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
127 %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
128 %x = load volatile float, float addrspace(1)* %gep.0
129 %y = load volatile float, float addrspace(1)* %gep.1
130 %x.fabs = call float @llvm.fabs.f32(float %x) #1
131 %y.fabs = call float @llvm.fabs.f32(float %y) #1
132 %z = fmul float %x.fabs, %y.fabs
133 store float %z, float addrspace(1)* %out
137 ; FUNC-LABEL: @commute_mul_fabs_x_fneg_fabs_y_f32
138 ; SI-DAG: buffer_load_dword [[X:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
139 ; SI-DAG: buffer_load_dword [[Y:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
140 ; SI: v_mul_f32_e64 [[REG:v[0-9]+]], |[[X]]|, -|[[Y]]|
141 ; SI: buffer_store_dword [[REG]]
142 define amdgpu_kernel void @commute_mul_fabs_x_fneg_fabs_y_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
143 %tid = call i32 @llvm.amdgcn.workitem.id.x() #1
144 %gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
145 %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
146 %x = load volatile float, float addrspace(1)* %gep.0
147 %y = load volatile float, float addrspace(1)* %gep.1
148 %x.fabs = call float @llvm.fabs.f32(float %x) #1
149 %y.fabs = call float @llvm.fabs.f32(float %y) #1
150 %y.fabs.fneg = fsub float -0.000000e+00, %y.fabs
151 %z = fmul float %x.fabs, %y.fabs.fneg
152 store float %z, float addrspace(1)* %out
156 ; Make sure we commute the multiply part for the constant in src0 even
157 ; though we have negate modifier on src2.
159 ; SI-LABEL: {{^}}fma_a_2.0_neg_b_f32
160 ; SI-DAG: buffer_load_dword [[R1:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
161 ; SI-DAG: buffer_load_dword [[R2:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
162 ; SI: v_fma_f32 [[RESULT:v[0-9]+]], [[R1]], 2.0, |[[R2]]|
163 ; SI: buffer_store_dword [[RESULT]]
164 define amdgpu_kernel void @fma_a_2.0_neg_b_f32(float addrspace(1)* %out, float addrspace(1)* %in) {
165 %tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
166 %gep.0 = getelementptr float, float addrspace(1)* %out, i32 %tid
167 %gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
168 %gep.out = getelementptr float, float addrspace(1)* %out, i32 %tid
170 %r1 = load volatile float, float addrspace(1)* %gep.0
171 %r2 = load volatile float, float addrspace(1)* %gep.1
173 %r2.fabs = call float @llvm.fabs.f32(float %r2)
175 %r3 = tail call float @llvm.fma.f32(float %r1, float 2.0, float %r2.fabs)
176 store float %r3, float addrspace(1)* %gep.out
180 attributes #0 = { nounwind }
181 attributes #1 = { nounwind readnone }