1 ; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2 ; RUN: llc -global-isel -march=amdgcn -mcpu=hawaii -stop-after=instruction-select -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
4 define amdgpu_ps float @wqm_f32(float %val) {
5 ; GCN-LABEL: name: wqm_f32
6 ; GCN: bb.1 (%ir-block.0):
8 ; GCN: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
9 ; GCN: [[WQM:%[0-9]+]]:vgpr_32 = WQM [[COPY]], implicit $exec
10 ; GCN: $vgpr0 = COPY [[WQM]]
11 ; GCN: SI_RETURN_TO_EPILOG implicit $vgpr0
12 %ret = call float @llvm.amdgcn.wqm.f32(float %val)
16 define amdgpu_ps float @wqm_v2f16(float %arg) {
17 ; GCN-LABEL: name: wqm_v2f16
18 ; GCN: bb.1 (%ir-block.0):
19 ; GCN: liveins: $vgpr0
20 ; GCN: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
21 ; GCN: [[WQM:%[0-9]+]]:vgpr_32 = WQM [[COPY]], implicit $exec
22 ; GCN: $vgpr0 = COPY [[WQM]]
23 ; GCN: SI_RETURN_TO_EPILOG implicit $vgpr0
24 %val = bitcast float %arg to <2 x half>
25 %ret = call <2 x half> @llvm.amdgcn.wqm.v2f16(<2 x half> %val)
26 %bc = bitcast <2 x half> %ret to float
30 define amdgpu_ps <2 x float> @wqm_f64(double %val) {
31 ; GCN-LABEL: name: wqm_f64
32 ; GCN: bb.1 (%ir-block.0):
33 ; GCN: liveins: $vgpr0, $vgpr1
34 ; GCN: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
35 ; GCN: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
36 ; GCN: [[REG_SEQUENCE:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1
37 ; GCN: [[WQM:%[0-9]+]]:vreg_64 = WQM [[REG_SEQUENCE]], implicit $exec
38 ; GCN: [[COPY2:%[0-9]+]]:vgpr_32 = COPY [[WQM]].sub0
39 ; GCN: [[COPY3:%[0-9]+]]:vgpr_32 = COPY [[WQM]].sub1
40 ; GCN: $vgpr0 = COPY [[COPY2]]
41 ; GCN: $vgpr1 = COPY [[COPY3]]
42 ; GCN: SI_RETURN_TO_EPILOG implicit $vgpr0, implicit $vgpr1
43 %ret = call double @llvm.amdgcn.wqm.f64(double %val)
44 %bitcast = bitcast double %ret to <2 x float>
45 ret <2 x float> %bitcast
49 ; define amdgpu_ps float @wqm_i1_vcc(float %val) {
50 ; %vcc = fcmp oeq float %val, 0.0
51 ; %ret = call i1 @llvm.amdgcn.wqm.i1(i1 %vcc)
52 ; %select = select i1 %ret, float 1.0, float 0.0
56 define amdgpu_ps <3 x float> @wqm_v3f32(<3 x float> %val) {
57 ; GCN-LABEL: name: wqm_v3f32
58 ; GCN: bb.1 (%ir-block.0):
59 ; GCN: liveins: $vgpr0, $vgpr1, $vgpr2
60 ; GCN: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
61 ; GCN: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
62 ; GCN: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
63 ; GCN: [[REG_SEQUENCE:%[0-9]+]]:vreg_96 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2
64 ; GCN: [[WQM:%[0-9]+]]:vreg_96 = WQM [[REG_SEQUENCE]], implicit $exec
65 ; GCN: [[COPY3:%[0-9]+]]:vgpr_32 = COPY [[WQM]].sub0
66 ; GCN: [[COPY4:%[0-9]+]]:vgpr_32 = COPY [[WQM]].sub1
67 ; GCN: [[COPY5:%[0-9]+]]:vgpr_32 = COPY [[WQM]].sub2
68 ; GCN: $vgpr0 = COPY [[COPY3]]
69 ; GCN: $vgpr1 = COPY [[COPY4]]
70 ; GCN: $vgpr2 = COPY [[COPY5]]
71 ; GCN: SI_RETURN_TO_EPILOG implicit $vgpr0, implicit $vgpr1, implicit $vgpr2
72 %ret = call <3 x float> @llvm.amdgcn.wqm.v3f32(<3 x float> %val)
76 declare i1 @llvm.amdgcn.wqm.i1(i1) #0
77 declare float @llvm.amdgcn.wqm.f32(float) #0
78 declare <2 x half> @llvm.amdgcn.wqm.v2f16(<2 x half>) #0
79 declare <3 x float> @llvm.amdgcn.wqm.v3f32(<3 x float>) #0
80 declare double @llvm.amdgcn.wqm.f64(double) #0
82 attributes #0 = { nounwind readnone speculatable }