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1; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py2; RUN: llc -global-isel -new-reg-bank-select -mtriple=amdgcn-mesa-mesa3d -stop-after=amdgpu-regbanklegalize -regbankselect-fast -o - %s | FileCheck %s3; RUN: llc -global-isel -new-reg-bank-select -mtriple=amdgcn-mesa-mesa3d -stop-after=amdgpu-regbanklegalize -regbankselect-greedy -o - %s | FileCheck %s4 5; Natural mapping6define amdgpu_ps float @struct_buffer_load__sgpr_rsrc__vgpr_val__vgpr_vindex__vgpr_voffset__sgpr_soffset(<4 x i32> inreg %rsrc, i32 %vindex, i32 %voffset, i32 inreg %soffset) {7  ; CHECK-LABEL: name: struct_buffer_load__sgpr_rsrc__vgpr_val__vgpr_vindex__vgpr_voffset__sgpr_soffset8  ; CHECK: bb.1 (%ir-block.0):9  ; CHECK-NEXT:   liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0, $vgpr110  ; CHECK-NEXT: {{  $}}11  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr212  ; CHECK-NEXT:   [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr313  ; CHECK-NEXT:   [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr414  ; CHECK-NEXT:   [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr515  ; CHECK-NEXT:   [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)16  ; CHECK-NEXT:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr017  ; CHECK-NEXT:   [[COPY5:%[0-9]+]]:vgpr(s32) = COPY $vgpr118  ; CHECK-NEXT:   [[COPY6:%[0-9]+]]:sgpr(s32) = COPY $sgpr619  ; CHECK-NEXT:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(s32) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[COPY4]](s32), [[COPY5]], [[COPY6]], 0, 0, -1 :: (dereferenceable load (s32), align 1, addrspace 8)20  ; CHECK-NEXT:   $vgpr0 = COPY [[AMDGPU_BUFFER_LOAD]](s32)21  ; CHECK-NEXT:   SI_RETURN_TO_EPILOG implicit $vgpr022  %val = call float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)23  ret float %val24}25 26; Copies for VGPR arguments27define amdgpu_ps float @struct_buffer_load__sgpr_rsrc__sgpr_val__sgpr_vindex__sgpr_voffset__sgpr_soffset(<4 x i32> inreg %rsrc, i32 inreg %vindex, i32 inreg %voffset, i32 inreg %soffset) {28  ; CHECK-LABEL: name: struct_buffer_load__sgpr_rsrc__sgpr_val__sgpr_vindex__sgpr_voffset__sgpr_soffset29  ; CHECK: bb.1 (%ir-block.0):30  ; CHECK-NEXT:   liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $sgpr7, $sgpr831  ; CHECK-NEXT: {{  $}}32  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr233  ; CHECK-NEXT:   [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr334  ; CHECK-NEXT:   [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr435  ; CHECK-NEXT:   [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr536  ; CHECK-NEXT:   [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)37  ; CHECK-NEXT:   [[COPY4:%[0-9]+]]:sgpr(s32) = COPY $sgpr638  ; CHECK-NEXT:   [[COPY5:%[0-9]+]]:sgpr(s32) = COPY $sgpr739  ; CHECK-NEXT:   [[COPY6:%[0-9]+]]:sgpr(s32) = COPY $sgpr840  ; CHECK-NEXT:   [[COPY7:%[0-9]+]]:vgpr(s32) = COPY [[COPY4]](s32)41  ; CHECK-NEXT:   [[COPY8:%[0-9]+]]:vgpr(s32) = COPY [[COPY5]](s32)42  ; CHECK-NEXT:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(s32) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[COPY7]](s32), [[COPY8]], [[COPY6]], 0, 0, -1 :: (dereferenceable load (s32), align 1, addrspace 8)43  ; CHECK-NEXT:   $vgpr0 = COPY [[AMDGPU_BUFFER_LOAD]](s32)44  ; CHECK-NEXT:   SI_RETURN_TO_EPILOG implicit $vgpr045  %val = call float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)46  ret float %val47}48 49; Waterfall for rsrc50define amdgpu_ps float @struct_buffer_load__vgpr_rsrc__vgpr_val__vgpr_vindex__vgpr_voffset__sgpr_soffset(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 inreg %soffset) {51  ; CHECK-LABEL: name: struct_buffer_load__vgpr_rsrc__vgpr_val__vgpr_vindex__vgpr_voffset__sgpr_soffset52  ; CHECK: bb.1 (%ir-block.0):53  ; CHECK-NEXT:   successors: %bb.2(0x80000000)54  ; CHECK-NEXT:   liveins: $sgpr2, $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr555  ; CHECK-NEXT: {{  $}}56  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr057  ; CHECK-NEXT:   [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr158  ; CHECK-NEXT:   [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr259  ; CHECK-NEXT:   [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr360  ; CHECK-NEXT:   [[BUILD_VECTOR:%[0-9]+]]:vgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)61  ; CHECK-NEXT:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr462  ; CHECK-NEXT:   [[COPY5:%[0-9]+]]:vgpr(s32) = COPY $vgpr563  ; CHECK-NEXT:   [[COPY6:%[0-9]+]]:sgpr(s32) = COPY $sgpr264  ; CHECK-NEXT:   [[DEF:%[0-9]+]]:sreg_64_xexec = IMPLICIT_DEF65  ; CHECK-NEXT:   [[S_MOV_B64_:%[0-9]+]]:sreg_64_xexec = S_MOV_B64 $exec66  ; CHECK-NEXT: {{  $}}67  ; CHECK-NEXT: bb.2:68  ; CHECK-NEXT:   successors: %bb.3(0x80000000)69  ; CHECK-NEXT: {{  $}}70  ; CHECK-NEXT:   [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32), [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[BUILD_VECTOR]](<4 x s32>)71  ; CHECK-NEXT:   [[INTRINSIC_CONVERGENT:%[0-9]+]]:sgpr(s32) = G_INTRINSIC_CONVERGENT intrinsic(@llvm.amdgcn.readfirstlane), [[UV]](s32)72  ; CHECK-NEXT:   [[INTRINSIC_CONVERGENT1:%[0-9]+]]:sgpr(s32) = G_INTRINSIC_CONVERGENT intrinsic(@llvm.amdgcn.readfirstlane), [[UV1]](s32)73  ; CHECK-NEXT:   [[INTRINSIC_CONVERGENT2:%[0-9]+]]:sgpr(s32) = G_INTRINSIC_CONVERGENT intrinsic(@llvm.amdgcn.readfirstlane), [[UV2]](s32)74  ; CHECK-NEXT:   [[INTRINSIC_CONVERGENT3:%[0-9]+]]:sgpr(s32) = G_INTRINSIC_CONVERGENT intrinsic(@llvm.amdgcn.readfirstlane), [[UV3]](s32)75  ; CHECK-NEXT:   [[BUILD_VECTOR1:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[INTRINSIC_CONVERGENT]](s32), [[INTRINSIC_CONVERGENT1]](s32), [[INTRINSIC_CONVERGENT2]](s32), [[INTRINSIC_CONVERGENT3]](s32)76  ; CHECK-NEXT:   [[UV4:%[0-9]+]]:vgpr(s64), [[UV5:%[0-9]+]]:vgpr(s64) = G_UNMERGE_VALUES [[BUILD_VECTOR]](<4 x s32>)77  ; CHECK-NEXT:   [[UV6:%[0-9]+]]:sgpr(s64), [[UV7:%[0-9]+]]:sgpr(s64) = G_UNMERGE_VALUES [[BUILD_VECTOR1]](<4 x s32>)78  ; CHECK-NEXT:   [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[UV6]](s64), [[UV4]]79  ; CHECK-NEXT:   [[ICMP1:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[UV7]](s64), [[UV5]]80  ; CHECK-NEXT:   [[AND:%[0-9]+]]:vcc(s1) = G_AND [[ICMP]], [[ICMP1]]81  ; CHECK-NEXT:   [[INTRINSIC_CONVERGENT4:%[0-9]+]]:sreg_64_xexec(s64) = G_INTRINSIC_CONVERGENT intrinsic(@llvm.amdgcn.ballot), [[AND]](s1)82  ; CHECK-NEXT:   [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_SAVEEXEC_B64 killed [[INTRINSIC_CONVERGENT4]](s64), implicit-def $exec, implicit-def $scc, implicit $exec83  ; CHECK-NEXT: {{  $}}84  ; CHECK-NEXT: bb.3:85  ; CHECK-NEXT:   successors: %bb.4(0x40000000), %bb.2(0x40000000)86  ; CHECK-NEXT: {{  $}}87  ; CHECK-NEXT:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(s32) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR1]](<4 x s32>), [[COPY4]](s32), [[COPY5]], [[COPY6]], 0, 0, -1 :: (dereferenceable load (s32), align 1, addrspace 8)88  ; CHECK-NEXT:   $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc89  ; CHECK-NEXT:   SI_WATERFALL_LOOP %bb.2, implicit $exec90  ; CHECK-NEXT: {{  $}}91  ; CHECK-NEXT: bb.4:92  ; CHECK-NEXT:   successors: %bb.5(0x80000000)93  ; CHECK-NEXT: {{  $}}94  ; CHECK-NEXT:   $exec = S_MOV_B64_term [[S_MOV_B64_]]95  ; CHECK-NEXT: {{  $}}96  ; CHECK-NEXT: bb.5:97  ; CHECK-NEXT:   $vgpr0 = COPY [[AMDGPU_BUFFER_LOAD]](s32)98  ; CHECK-NEXT:   SI_RETURN_TO_EPILOG implicit $vgpr099  %val = call float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)100  ret float %val101}102 103; Waterfall for soffset104define amdgpu_ps float @struct_buffer_load__sgpr_rsrc__vgpr_val__vgpr_vindex_vgpr_voffset__vgpr_soffset(<4 x i32> inreg %rsrc, i32 %vindex, i32 %voffset, i32 %soffset) {105  ; CHECK-LABEL: name: struct_buffer_load__sgpr_rsrc__vgpr_val__vgpr_vindex_vgpr_voffset__vgpr_soffset106  ; CHECK: bb.1 (%ir-block.0):107  ; CHECK-NEXT:   successors: %bb.2(0x80000000)108  ; CHECK-NEXT:   liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $vgpr0, $vgpr1, $vgpr2109  ; CHECK-NEXT: {{  $}}110  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr2111  ; CHECK-NEXT:   [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr3112  ; CHECK-NEXT:   [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr4113  ; CHECK-NEXT:   [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr5114  ; CHECK-NEXT:   [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)115  ; CHECK-NEXT:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr0116  ; CHECK-NEXT:   [[COPY5:%[0-9]+]]:vgpr(s32) = COPY $vgpr1117  ; CHECK-NEXT:   [[COPY6:%[0-9]+]]:vgpr(s32) = COPY $vgpr2118  ; CHECK-NEXT:   [[DEF:%[0-9]+]]:sreg_64_xexec = IMPLICIT_DEF119  ; CHECK-NEXT:   [[S_MOV_B64_:%[0-9]+]]:sreg_64_xexec = S_MOV_B64 $exec120  ; CHECK-NEXT: {{  $}}121  ; CHECK-NEXT: bb.2:122  ; CHECK-NEXT:   successors: %bb.3(0x80000000)123  ; CHECK-NEXT: {{  $}}124  ; CHECK-NEXT:   [[INTRINSIC_CONVERGENT:%[0-9]+]]:sgpr(s32) = G_INTRINSIC_CONVERGENT intrinsic(@llvm.amdgcn.readfirstlane), [[COPY6]](s32)125  ; CHECK-NEXT:   [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[INTRINSIC_CONVERGENT]](s32), [[COPY6]]126  ; CHECK-NEXT:   [[INTRINSIC_CONVERGENT1:%[0-9]+]]:sreg_64_xexec(s64) = G_INTRINSIC_CONVERGENT intrinsic(@llvm.amdgcn.ballot), [[ICMP]](s1)127  ; CHECK-NEXT:   [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_SAVEEXEC_B64 killed [[INTRINSIC_CONVERGENT1]](s64), implicit-def $exec, implicit-def $scc, implicit $exec128  ; CHECK-NEXT: {{  $}}129  ; CHECK-NEXT: bb.3:130  ; CHECK-NEXT:   successors: %bb.4(0x40000000), %bb.2(0x40000000)131  ; CHECK-NEXT: {{  $}}132  ; CHECK-NEXT:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(s32) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[COPY4]](s32), [[COPY5]], [[INTRINSIC_CONVERGENT]], 0, 0, -1 :: (dereferenceable load (s32), align 1, addrspace 8)133  ; CHECK-NEXT:   $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc134  ; CHECK-NEXT:   SI_WATERFALL_LOOP %bb.2, implicit $exec135  ; CHECK-NEXT: {{  $}}136  ; CHECK-NEXT: bb.4:137  ; CHECK-NEXT:   successors: %bb.5(0x80000000)138  ; CHECK-NEXT: {{  $}}139  ; CHECK-NEXT:   $exec = S_MOV_B64_term [[S_MOV_B64_]]140  ; CHECK-NEXT: {{  $}}141  ; CHECK-NEXT: bb.5:142  ; CHECK-NEXT:   $vgpr0 = COPY [[AMDGPU_BUFFER_LOAD]](s32)143  ; CHECK-NEXT:   SI_RETURN_TO_EPILOG implicit $vgpr0144  %val = call float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)145  ret float %val146}147 148; Waterfall for rsrc and soffset149define amdgpu_ps float @struct_buffer_load__vgpr_rsrc__vgpr_val__vgpr_vindex__vgpr_voffset__vgpr_soffset(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset) {150  ; CHECK-LABEL: name: struct_buffer_load__vgpr_rsrc__vgpr_val__vgpr_vindex__vgpr_voffset__vgpr_soffset151  ; CHECK: bb.1 (%ir-block.0):152  ; CHECK-NEXT:   successors: %bb.2(0x80000000)153  ; CHECK-NEXT:   liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr5, $vgpr6154  ; CHECK-NEXT: {{  $}}155  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0156  ; CHECK-NEXT:   [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1157  ; CHECK-NEXT:   [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr2158  ; CHECK-NEXT:   [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr3159  ; CHECK-NEXT:   [[BUILD_VECTOR:%[0-9]+]]:vgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)160  ; CHECK-NEXT:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr4161  ; CHECK-NEXT:   [[COPY5:%[0-9]+]]:vgpr(s32) = COPY $vgpr5162  ; CHECK-NEXT:   [[COPY6:%[0-9]+]]:vgpr(s32) = COPY $vgpr6163  ; CHECK-NEXT:   [[DEF:%[0-9]+]]:sreg_64_xexec = IMPLICIT_DEF164  ; CHECK-NEXT:   [[S_MOV_B64_:%[0-9]+]]:sreg_64_xexec = S_MOV_B64 $exec165  ; CHECK-NEXT: {{  $}}166  ; CHECK-NEXT: bb.2:167  ; CHECK-NEXT:   successors: %bb.3(0x80000000)168  ; CHECK-NEXT: {{  $}}169  ; CHECK-NEXT:   [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32), [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[BUILD_VECTOR]](<4 x s32>)170  ; CHECK-NEXT:   [[INTRINSIC_CONVERGENT:%[0-9]+]]:sgpr(s32) = G_INTRINSIC_CONVERGENT intrinsic(@llvm.amdgcn.readfirstlane), [[UV]](s32)171  ; CHECK-NEXT:   [[INTRINSIC_CONVERGENT1:%[0-9]+]]:sgpr(s32) = G_INTRINSIC_CONVERGENT intrinsic(@llvm.amdgcn.readfirstlane), [[UV1]](s32)172  ; CHECK-NEXT:   [[INTRINSIC_CONVERGENT2:%[0-9]+]]:sgpr(s32) = G_INTRINSIC_CONVERGENT intrinsic(@llvm.amdgcn.readfirstlane), [[UV2]](s32)173  ; CHECK-NEXT:   [[INTRINSIC_CONVERGENT3:%[0-9]+]]:sgpr(s32) = G_INTRINSIC_CONVERGENT intrinsic(@llvm.amdgcn.readfirstlane), [[UV3]](s32)174  ; CHECK-NEXT:   [[BUILD_VECTOR1:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[INTRINSIC_CONVERGENT]](s32), [[INTRINSIC_CONVERGENT1]](s32), [[INTRINSIC_CONVERGENT2]](s32), [[INTRINSIC_CONVERGENT3]](s32)175  ; CHECK-NEXT:   [[UV4:%[0-9]+]]:vgpr(s64), [[UV5:%[0-9]+]]:vgpr(s64) = G_UNMERGE_VALUES [[BUILD_VECTOR]](<4 x s32>)176  ; CHECK-NEXT:   [[UV6:%[0-9]+]]:sgpr(s64), [[UV7:%[0-9]+]]:sgpr(s64) = G_UNMERGE_VALUES [[BUILD_VECTOR1]](<4 x s32>)177  ; CHECK-NEXT:   [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[UV6]](s64), [[UV4]]178  ; CHECK-NEXT:   [[ICMP1:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[UV7]](s64), [[UV5]]179  ; CHECK-NEXT:   [[AND:%[0-9]+]]:vcc(s1) = G_AND [[ICMP]], [[ICMP1]]180  ; CHECK-NEXT:   [[INTRINSIC_CONVERGENT4:%[0-9]+]]:sgpr(s32) = G_INTRINSIC_CONVERGENT intrinsic(@llvm.amdgcn.readfirstlane), [[COPY6]](s32)181  ; CHECK-NEXT:   [[ICMP2:%[0-9]+]]:vcc(s1) = G_ICMP intpred(eq), [[INTRINSIC_CONVERGENT4]](s32), [[COPY6]]182  ; CHECK-NEXT:   [[AND1:%[0-9]+]]:vcc(s1) = G_AND [[AND]], [[ICMP2]]183  ; CHECK-NEXT:   [[INTRINSIC_CONVERGENT5:%[0-9]+]]:sreg_64_xexec(s64) = G_INTRINSIC_CONVERGENT intrinsic(@llvm.amdgcn.ballot), [[AND1]](s1)184  ; CHECK-NEXT:   [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_SAVEEXEC_B64 killed [[INTRINSIC_CONVERGENT5]](s64), implicit-def $exec, implicit-def $scc, implicit $exec185  ; CHECK-NEXT: {{  $}}186  ; CHECK-NEXT: bb.3:187  ; CHECK-NEXT:   successors: %bb.4(0x40000000), %bb.2(0x40000000)188  ; CHECK-NEXT: {{  $}}189  ; CHECK-NEXT:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(s32) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR1]](<4 x s32>), [[COPY4]](s32), [[COPY5]], [[INTRINSIC_CONVERGENT4]], 0, 0, -1 :: (dereferenceable load (s32), align 1, addrspace 8)190  ; CHECK-NEXT:   $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc191  ; CHECK-NEXT:   SI_WATERFALL_LOOP %bb.2, implicit $exec192  ; CHECK-NEXT: {{  $}}193  ; CHECK-NEXT: bb.4:194  ; CHECK-NEXT:   successors: %bb.5(0x80000000)195  ; CHECK-NEXT: {{  $}}196  ; CHECK-NEXT:   $exec = S_MOV_B64_term [[S_MOV_B64_]]197  ; CHECK-NEXT: {{  $}}198  ; CHECK-NEXT: bb.5:199  ; CHECK-NEXT:   $vgpr0 = COPY [[AMDGPU_BUFFER_LOAD]](s32)200  ; CHECK-NEXT:   SI_RETURN_TO_EPILOG implicit $vgpr0201  %val = call float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)202  ret float %val203}204 205declare float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32>, i32, i32, i32, i32 immarg)206