xref: /llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.softwqm.ll (revision 9e9907f1cfa424366fba58d9520f9305b537cec9)
1; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2; RUN: llc -global-isel -mtriple=amdgcn -mcpu=hawaii -stop-after=instruction-select -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
3
4define amdgpu_ps float @softwqm_f32(float %val) {
5  ; GCN-LABEL: name: softwqm_f32
6  ; GCN: bb.1 (%ir-block.0):
7  ; GCN-NEXT:   liveins: $vgpr0
8  ; GCN-NEXT: {{  $}}
9  ; GCN-NEXT:   [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
10  ; GCN-NEXT:   [[SOFT_WQM:%[0-9]+]]:vgpr_32 = SOFT_WQM [[COPY]], implicit $exec
11  ; GCN-NEXT:   $vgpr0 = COPY [[SOFT_WQM]]
12  ; GCN-NEXT:   SI_RETURN_TO_EPILOG implicit $vgpr0
13  %ret = call float @llvm.amdgcn.softwqm.f32(float %val)
14  ret float %ret
15}
16
17define amdgpu_ps float @softwqm_v2f16(float %arg) {
18  ; GCN-LABEL: name: softwqm_v2f16
19  ; GCN: bb.1 (%ir-block.0):
20  ; GCN-NEXT:   liveins: $vgpr0
21  ; GCN-NEXT: {{  $}}
22  ; GCN-NEXT:   [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
23  ; GCN-NEXT:   [[SOFT_WQM:%[0-9]+]]:vgpr_32 = SOFT_WQM [[COPY]], implicit $exec
24  ; GCN-NEXT:   $vgpr0 = COPY [[SOFT_WQM]]
25  ; GCN-NEXT:   SI_RETURN_TO_EPILOG implicit $vgpr0
26  %val = bitcast float %arg to <2 x half>
27  %ret = call <2 x half> @llvm.amdgcn.softwqm.v2f16(<2 x half> %val)
28  %bc = bitcast <2 x half> %ret to float
29  ret float %bc
30}
31
32define amdgpu_ps <2 x float> @softwqm_f64(double %val) {
33  ; GCN-LABEL: name: softwqm_f64
34  ; GCN: bb.1 (%ir-block.0):
35  ; GCN-NEXT:   liveins: $vgpr0, $vgpr1
36  ; GCN-NEXT: {{  $}}
37  ; GCN-NEXT:   [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
38  ; GCN-NEXT:   [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
39  ; GCN-NEXT:   [[REG_SEQUENCE:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1
40  ; GCN-NEXT:   [[SOFT_WQM:%[0-9]+]]:vreg_64 = SOFT_WQM [[REG_SEQUENCE]], implicit $exec
41  ; GCN-NEXT:   [[COPY2:%[0-9]+]]:vgpr_32 = COPY [[SOFT_WQM]].sub0
42  ; GCN-NEXT:   [[COPY3:%[0-9]+]]:vgpr_32 = COPY [[SOFT_WQM]].sub1
43  ; GCN-NEXT:   $vgpr0 = COPY [[COPY2]]
44  ; GCN-NEXT:   $vgpr1 = COPY [[COPY3]]
45  ; GCN-NEXT:   SI_RETURN_TO_EPILOG implicit $vgpr0, implicit $vgpr1
46  %ret = call double @llvm.amdgcn.softwqm.f64(double %val)
47  %bitcast = bitcast double %ret to <2 x float>
48  ret <2 x float> %bitcast
49}
50
51; TODO
52; define amdgpu_ps float @softwqm_i1_vcc(float %val) {
53;   %vcc = fcmp oeq float %val, 0.0
54;   %ret = call i1 @llvm.amdgcn.softwqm.i1(i1 %vcc)
55;   %select = select i1 %ret, float 1.0, float 0.0
56;   ret float %select
57; }
58
59define amdgpu_ps <3 x float> @softwqm_v3f32(<3 x float> %val) {
60  ; GCN-LABEL: name: softwqm_v3f32
61  ; GCN: bb.1 (%ir-block.0):
62  ; GCN-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2
63  ; GCN-NEXT: {{  $}}
64  ; GCN-NEXT:   [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
65  ; GCN-NEXT:   [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
66  ; GCN-NEXT:   [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
67  ; GCN-NEXT:   [[REG_SEQUENCE:%[0-9]+]]:vreg_96 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2
68  ; GCN-NEXT:   [[SOFT_WQM:%[0-9]+]]:vreg_96 = SOFT_WQM [[REG_SEQUENCE]], implicit $exec
69  ; GCN-NEXT:   [[COPY3:%[0-9]+]]:vgpr_32 = COPY [[SOFT_WQM]].sub0
70  ; GCN-NEXT:   [[COPY4:%[0-9]+]]:vgpr_32 = COPY [[SOFT_WQM]].sub1
71  ; GCN-NEXT:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY [[SOFT_WQM]].sub2
72  ; GCN-NEXT:   $vgpr0 = COPY [[COPY3]]
73  ; GCN-NEXT:   $vgpr1 = COPY [[COPY4]]
74  ; GCN-NEXT:   $vgpr2 = COPY [[COPY5]]
75  ; GCN-NEXT:   SI_RETURN_TO_EPILOG implicit $vgpr0, implicit $vgpr1, implicit $vgpr2
76  %ret = call <3 x float> @llvm.amdgcn.softwqm.v3f32(<3 x float> %val)
77  ret <3 x float> %ret
78}
79
80declare i1 @llvm.amdgcn.softwqm.i1(i1) #0
81declare float @llvm.amdgcn.softwqm.f32(float) #0
82declare <2 x half> @llvm.amdgcn.softwqm.v2f16(<2 x half>) #0
83declare <3 x float> @llvm.amdgcn.softwqm.v3f32(<3 x float>) #0
84declare double @llvm.amdgcn.softwqm.f64(double) #0
85
86attributes #0 = { nounwind readnone speculatable }
87