AMDGPU/GlobalISel: Select llvm.amdgcn.struct.buffer.load.format

[kerbowa]

LGTM

[arsenm]

97711228fdaeaac5173d2f7b7c347c7aab4993e2

llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp

bool AMDGPULegalizerInfo::legalizeIntrinsic(MachineInstr &MI,
   case Intrinsic::amdgcn_raw_buffer_store:
     return legalizeRawBufferStore(MI, MRI, B, false);
   case Intrinsic::amdgcn_raw_buffer_store_format:
     return legalizeRawBufferStore(MI, MRI, B, true);
   case Intrinsic::amdgcn_raw_buffer_load:
   case Intrinsic::amdgcn_struct_buffer_load:
     return legalizeBufferLoad(MI, MRI, B, false);
   case Intrinsic::amdgcn_raw_buffer_load_format:
+  case Intrinsic::amdgcn_struct_buffer_load_format:
     return legalizeBufferLoad(MI, MRI, B, true);
   default:
     return true;
   }
 
   return true;
 }

llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.struct.buffer.load.format.f16.ll

+; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+; RUN: llc -global-isel -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -stop-after=instruction-select -verify-machineinstrs -o - %s | FileCheck -check-prefix=UNPACKED %s
+; RUN: llc -global-isel -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx810 -stop-after=instruction-select -verify-machineinstrs -o - %s | FileCheck -check-prefix=PACKED %s
+
+define amdgpu_ps half @struct_buffer_load_format_f16__sgpr_rsrc__vgpr_vindex__vgpr_voffset__sgpr_soffset(<4 x i32> inreg %rsrc, i32 %vindex, i32 %voffset, i32 inreg %soffset) {
+  ; UNPACKED-LABEL: name: struct_buffer_load_format_f16__sgpr_rsrc__vgpr_vindex__vgpr_voffset__sgpr_soffset
+  ; UNPACKED: bb.1 (%ir-block.0):
+  ; UNPACKED:   liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0, $vgpr1
+  ; UNPACKED:   [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr2
+  ; UNPACKED:   [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
+  ; UNPACKED:   [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
+  ; UNPACKED:   [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
+  ; UNPACKED:   [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+  ; UNPACKED:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+  ; UNPACKED:   [[COPY6:%[0-9]+]]:sreg_32 = COPY $sgpr6
+  ; UNPACKED:   [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
+  ; UNPACKED:   [[REG_SEQUENCE1:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY4]], %subreg.sub0, [[COPY5]], %subreg.sub1
+  ; UNPACKED:   [[BUFFER_LOAD_FORMAT_D16_X_gfx80_BOTHEN:%[0-9]+]]:vgpr_32 = BUFFER_LOAD_FORMAT_D16_X_gfx80_BOTHEN [[REG_SEQUENCE1]], [[REG_SEQUENCE]], [[COPY6]], 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load 2 from custom "TargetCustom7", align 1, addrspace 4)
+  ; UNPACKED:   $vgpr0 = COPY [[BUFFER_LOAD_FORMAT_D16_X_gfx80_BOTHEN]]
+  ; UNPACKED:   SI_RETURN_TO_EPILOG implicit $vgpr0
+  ; PACKED-LABEL: name: struct_buffer_load_format_f16__sgpr_rsrc__vgpr_vindex__vgpr_voffset__sgpr_soffset
+  ; PACKED: bb.1 (%ir-block.0):
+  ; PACKED:   liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0, $vgpr1
+  ; PACKED:   [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr2
+  ; PACKED:   [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
+  ; PACKED:   [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
+  ; PACKED:   [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
+  ; PACKED:   [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+  ; PACKED:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+  ; PACKED:   [[COPY6:%[0-9]+]]:sreg_32 = COPY $sgpr6
+  ; PACKED:   [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
+  ; PACKED:   [[REG_SEQUENCE1:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY4]], %subreg.sub0, [[COPY5]], %subreg.sub1
+  ; PACKED:   [[BUFFER_LOAD_FORMAT_D16_X_BOTHEN:%[0-9]+]]:vgpr_32 = BUFFER_LOAD_FORMAT_D16_X_BOTHEN [[REG_SEQUENCE1]], [[REG_SEQUENCE]], [[COPY6]], 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load 2 from custom "TargetCustom7", align 1, addrspace 4)
+  ; PACKED:   $vgpr0 = COPY [[BUFFER_LOAD_FORMAT_D16_X_BOTHEN]]
+  ; PACKED:   SI_RETURN_TO_EPILOG implicit $vgpr0
+  %val = call half @llvm.amdgcn.struct.buffer.load.format.f16(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)
+  ret half %val
+}
+
+define amdgpu_ps <2 x half> @struct_buffer_load_format_v2f16__sgpr_rsrc__vgpr_vindex__vgpr_voffset__sgpr_soffset(<4 x i32> inreg %rsrc, i32 %vindex, i32 %voffset, i32 inreg %soffset) {
+  ; UNPACKED-LABEL: name: struct_buffer_load_format_v2f16__sgpr_rsrc__vgpr_vindex__vgpr_voffset__sgpr_soffset
+  ; UNPACKED: bb.1 (%ir-block.0):
+  ; UNPACKED:   liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0, $vgpr1
+  ; UNPACKED:   [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr2
+  ; UNPACKED:   [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
+  ; UNPACKED:   [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
+  ; UNPACKED:   [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
+  ; UNPACKED:   [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+  ; UNPACKED:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+  ; UNPACKED:   [[COPY6:%[0-9]+]]:sreg_32 = COPY $sgpr6
+  ; UNPACKED:   [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
+  ; UNPACKED:   [[REG_SEQUENCE1:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY4]], %subreg.sub0, [[COPY5]], %subreg.sub1
+  ; UNPACKED:   [[BUFFER_LOAD_FORMAT_D16_XY_gfx80_BOTHEN:%[0-9]+]]:vreg_64 = BUFFER_LOAD_FORMAT_D16_XY_gfx80_BOTHEN [[REG_SEQUENCE1]], [[REG_SEQUENCE]], [[COPY6]], 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load 4 from custom "TargetCustom7", align 1, addrspace 4)
+  ; UNPACKED:   [[COPY7:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_D16_XY_gfx80_BOTHEN]].sub0
+  ; UNPACKED:   [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_D16_XY_gfx80_BOTHEN]].sub1
+  ; UNPACKED:   [[V_BFE_U32_:%[0-9]+]]:vgpr_32 = V_BFE_U32 [[COPY7]], 0, 16, implicit $exec
+  ; UNPACKED:   [[V_BFE_U32_1:%[0-9]+]]:vgpr_32 = V_BFE_U32 [[COPY8]], 0, 16, implicit $exec
+  ; UNPACKED:   [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 16, implicit $exec
+  ; UNPACKED:   [[V_LSHLREV_B32_e64_:%[0-9]+]]:vgpr_32 = V_LSHLREV_B32_e64 [[V_MOV_B32_e32_]], [[V_BFE_U32_1]], implicit $exec
+  ; UNPACKED:   [[V_OR_B32_e32_:%[0-9]+]]:vgpr_32 = V_OR_B32_e32 [[V_BFE_U32_]], [[V_LSHLREV_B32_e64_]], implicit $exec
+  ; UNPACKED:   $vgpr0 = COPY [[V_OR_B32_e32_]]
+  ; UNPACKED:   SI_RETURN_TO_EPILOG implicit $vgpr0
+  ; PACKED-LABEL: name: struct_buffer_load_format_v2f16__sgpr_rsrc__vgpr_vindex__vgpr_voffset__sgpr_soffset
+  ; PACKED: bb.1 (%ir-block.0):
+  ; PACKED:   liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0, $vgpr1
+  ; PACKED:   [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr2
+  ; PACKED:   [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
+  ; PACKED:   [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
+  ; PACKED:   [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
+  ; PACKED:   [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+  ; PACKED:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+  ; PACKED:   [[COPY6:%[0-9]+]]:sreg_32 = COPY $sgpr6
+  ; PACKED:   [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
+  ; PACKED:   [[REG_SEQUENCE1:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY4]], %subreg.sub0, [[COPY5]], %subreg.sub1
+  ; PACKED:   [[BUFFER_LOAD_FORMAT_D16_XY_BOTHEN:%[0-9]+]]:vgpr_32 = BUFFER_LOAD_FORMAT_D16_XY_BOTHEN [[REG_SEQUENCE1]], [[REG_SEQUENCE]], [[COPY6]], 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load 4 from custom "TargetCustom7", align 1, addrspace 4)
+  ; PACKED:   $vgpr0 = COPY [[BUFFER_LOAD_FORMAT_D16_XY_BOTHEN]]
+  ; PACKED:   SI_RETURN_TO_EPILOG implicit $vgpr0
+  %val = call <2 x half> @llvm.amdgcn.struct.buffer.load.format.v2f16(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)
+  ret <2 x half> %val
+}
+
+; FIXME: Crashes
+; define amdgpu_ps <3 x half> @struct_buffer_load_format_v3f16__sgpr_rsrc__vgpr_vindex__vgpr_voffset__sgpr_soffset(<4 x i32> inreg %rsrc, i32 %vindex, i32 %voffset, i32 inreg %soffset) {
+;   %val = call <3 x half> @llvm.amdgcn.struct.buffer.load.format.v3f16(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)
+;   ret <3 x half> %val
+; }
+
+define amdgpu_ps <4 x half> @struct_buffer_load_format_v4f16__sgpr_rsrc__vgpr_vindex__vgpr_voffset__sgpr_soffset(<4 x i32> inreg %rsrc, i32 %vindex, i32 %voffset, i32 inreg %soffset) {
+  ; UNPACKED-LABEL: name: struct_buffer_load_format_v4f16__sgpr_rsrc__vgpr_vindex__vgpr_voffset__sgpr_soffset
+  ; UNPACKED: bb.1 (%ir-block.0):
+  ; UNPACKED:   liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0, $vgpr1
+  ; UNPACKED:   [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr2
+  ; UNPACKED:   [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
+  ; UNPACKED:   [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
+  ; UNPACKED:   [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
+  ; UNPACKED:   [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+  ; UNPACKED:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+  ; UNPACKED:   [[COPY6:%[0-9]+]]:sreg_32 = COPY $sgpr6
+  ; UNPACKED:   [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
+  ; UNPACKED:   [[REG_SEQUENCE1:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY4]], %subreg.sub0, [[COPY5]], %subreg.sub1
+  ; UNPACKED:   [[BUFFER_LOAD_FORMAT_D16_XYZW_gfx80_BOTHEN:%[0-9]+]]:vreg_128 = BUFFER_LOAD_FORMAT_D16_XYZW_gfx80_BOTHEN [[REG_SEQUENCE1]], [[REG_SEQUENCE]], [[COPY6]], 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load 8 from custom "TargetCustom7", align 1, addrspace 4)
+  ; UNPACKED:   [[COPY7:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_D16_XYZW_gfx80_BOTHEN]].sub0
+  ; UNPACKED:   [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_D16_XYZW_gfx80_BOTHEN]].sub1
+  ; UNPACKED:   [[COPY9:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_D16_XYZW_gfx80_BOTHEN]].sub2
+  ; UNPACKED:   [[COPY10:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_D16_XYZW_gfx80_BOTHEN]].sub3
+  ; UNPACKED:   [[V_BFE_U32_:%[0-9]+]]:vgpr_32 = V_BFE_U32 [[COPY7]], 0, 16, implicit $exec
+  ; UNPACKED:   [[V_BFE_U32_1:%[0-9]+]]:vgpr_32 = V_BFE_U32 [[COPY8]], 0, 16, implicit $exec
+  ; UNPACKED:   [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 16, implicit $exec
+  ; UNPACKED:   [[V_LSHLREV_B32_e64_:%[0-9]+]]:vgpr_32 = V_LSHLREV_B32_e64 [[V_MOV_B32_e32_]], [[V_BFE_U32_1]], implicit $exec
+  ; UNPACKED:   [[V_OR_B32_e32_:%[0-9]+]]:vgpr_32 = V_OR_B32_e32 [[V_BFE_U32_]], [[V_LSHLREV_B32_e64_]], implicit $exec
+  ; UNPACKED:   [[V_BFE_U32_2:%[0-9]+]]:vgpr_32 = V_BFE_U32 [[COPY9]], 0, 16, implicit $exec
+  ; UNPACKED:   [[V_BFE_U32_3:%[0-9]+]]:vgpr_32 = V_BFE_U32 [[COPY10]], 0, 16, implicit $exec
+  ; UNPACKED:   [[V_MOV_B32_e32_1:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 16, implicit $exec
+  ; UNPACKED:   [[V_LSHLREV_B32_e64_1:%[0-9]+]]:vgpr_32 = V_LSHLREV_B32_e64 [[V_MOV_B32_e32_1]], [[V_BFE_U32_3]], implicit $exec
+  ; UNPACKED:   [[V_OR_B32_e32_1:%[0-9]+]]:vgpr_32 = V_OR_B32_e32 [[V_BFE_U32_2]], [[V_LSHLREV_B32_e64_1]], implicit $exec
+  ; UNPACKED:   $vgpr0 = COPY [[V_OR_B32_e32_]]
+  ; UNPACKED:   $vgpr1 = COPY [[V_OR_B32_e32_1]]
+  ; UNPACKED:   SI_RETURN_TO_EPILOG implicit $vgpr0, implicit $vgpr1
+  ; PACKED-LABEL: name: struct_buffer_load_format_v4f16__sgpr_rsrc__vgpr_vindex__vgpr_voffset__sgpr_soffset
+  ; PACKED: bb.1 (%ir-block.0):
+  ; PACKED:   liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0, $vgpr1
+  ; PACKED:   [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr2
+  ; PACKED:   [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
+  ; PACKED:   [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
+  ; PACKED:   [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
+  ; PACKED:   [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+  ; PACKED:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+  ; PACKED:   [[COPY6:%[0-9]+]]:sreg_32 = COPY $sgpr6
+  ; PACKED:   [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
+  ; PACKED:   [[REG_SEQUENCE1:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY4]], %subreg.sub0, [[COPY5]], %subreg.sub1
+  ; PACKED:   [[BUFFER_LOAD_FORMAT_D16_XYZW_BOTHEN:%[0-9]+]]:vreg_64 = BUFFER_LOAD_FORMAT_D16_XYZW_BOTHEN [[REG_SEQUENCE1]], [[REG_SEQUENCE]], [[COPY6]], 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load 8 from custom "TargetCustom7", align 1, addrspace 4)
+  ; PACKED:   [[COPY7:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_D16_XYZW_BOTHEN]].sub0
+  ; PACKED:   [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_D16_XYZW_BOTHEN]].sub1
+  ; PACKED:   $vgpr0 = COPY [[COPY7]]
+  ; PACKED:   $vgpr1 = COPY [[COPY8]]
+  ; PACKED:   SI_RETURN_TO_EPILOG implicit $vgpr0, implicit $vgpr1
+  %val = call <4 x half> @llvm.amdgcn.struct.buffer.load.format.v4f16(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)
+  ret <4 x half> %val
+}
+
+; Waterfall for rsrc and soffset, copy for voffset
+define amdgpu_ps <4 x half> @struct_buffer_load_format_v4f16__vpr_rsrc__sgpr_vindex__sgpr_voffset__vgpr_soffset(<4 x i32> %rsrc, i32 inreg %vindex, i32 inreg %voffset, i32 %soffset) {
+  ; UNPACKED-LABEL: name: struct_buffer_load_format_v4f16__vpr_rsrc__sgpr_vindex__sgpr_voffset__vgpr_soffset
+  ; UNPACKED: bb.1 (%ir-block.0):
+  ; UNPACKED:   successors: %bb.2(0x80000000)
+  ; UNPACKED:   liveins: $sgpr2, $sgpr3, $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4
+  ; UNPACKED:   [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+  ; UNPACKED:   [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+  ; UNPACKED:   [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+  ; UNPACKED:   [[COPY3:%[0-9]+]]:vgpr_32 = COPY $vgpr3
+  ; UNPACKED:   [[COPY4:%[0-9]+]]:sreg_32 = COPY $sgpr2
+  ; UNPACKED:   [[COPY5:%[0-9]+]]:sreg_32 = COPY $sgpr3
+  ; UNPACKED:   [[COPY6:%[0-9]+]]:vgpr_32 = COPY $vgpr4
+  ; UNPACKED:   [[REG_SEQUENCE:%[0-9]+]]:vreg_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
+  ; UNPACKED:   [[COPY7:%[0-9]+]]:vgpr_32 = COPY [[COPY4]]
+  ; UNPACKED:   [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[COPY5]]
+  ; UNPACKED:   [[COPY9:%[0-9]+]]:vreg_64 = COPY [[REG_SEQUENCE]].sub0_sub1
+  ; UNPACKED:   [[COPY10:%[0-9]+]]:vreg_64 = COPY [[REG_SEQUENCE]].sub2_sub3
+  ; UNPACKED:   [[S_MOV_B64_term:%[0-9]+]]:sreg_64_xexec = S_MOV_B64_term $exec
+  ; UNPACKED: bb.2:
+  ; UNPACKED:   successors: %bb.3(0x40000000), %bb.2(0x40000000)
+  ; UNPACKED:   [[V_READFIRSTLANE_B32_:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY9]].sub0, implicit $exec
+  ; UNPACKED:   [[V_READFIRSTLANE_B32_1:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY9]].sub1, implicit $exec
+  ; UNPACKED:   [[REG_SEQUENCE1:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1
+  ; UNPACKED:   [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE1]], [[COPY9]], implicit $exec
+  ; UNPACKED:   [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY10]].sub0, implicit $exec
+  ; UNPACKED:   [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY10]].sub1, implicit $exec
+  ; UNPACKED:   [[REG_SEQUENCE2:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_2]], %subreg.sub0, [[V_READFIRSTLANE_B32_3]], %subreg.sub1
+  ; UNPACKED:   [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE2]], [[COPY10]], implicit $exec
+  ; UNPACKED:   [[S_AND_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U64_e64_1]], [[V_CMP_EQ_U64_e64_]], implicit-def $scc
+  ; UNPACKED:   [[REG_SEQUENCE3:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1, [[V_READFIRSTLANE_B32_2]], %subreg.sub2, [[V_READFIRSTLANE_B32_3]], %subreg.sub3
+  ; UNPACKED:   [[V_READFIRSTLANE_B32_4:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY6]], implicit $exec
+  ; UNPACKED:   [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U32_e64 [[V_READFIRSTLANE_B32_4]], [[COPY6]], implicit $exec
+  ; UNPACKED:   [[S_AND_B64_1:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U32_e64_]], [[S_AND_B64_]], implicit-def $scc
+  ; UNPACKED:   [[REG_SEQUENCE4:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY7]], %subreg.sub0, [[COPY8]], %subreg.sub1
+  ; UNPACKED:   [[BUFFER_LOAD_FORMAT_D16_XYZW_gfx80_BOTHEN:%[0-9]+]]:vreg_128 = BUFFER_LOAD_FORMAT_D16_XYZW_gfx80_BOTHEN [[REG_SEQUENCE4]], [[REG_SEQUENCE3]], [[V_READFIRSTLANE_B32_4]], 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load 8 from custom "TargetCustom7", align 1, addrspace 4)
+  ; UNPACKED:   [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_SAVEEXEC_B64 killed [[S_AND_B64_1]], implicit-def $exec, implicit-def $scc, implicit $exec
+  ; UNPACKED:   $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc
+  ; UNPACKED:   S_CBRANCH_EXECNZ %bb.2, implicit $exec
+  ; UNPACKED: bb.3:
+  ; UNPACKED:   successors: %bb.4(0x80000000)
+  ; UNPACKED:   $exec = S_MOV_B64_term [[S_MOV_B64_term]]
+  ; UNPACKED: bb.4:
+  ; UNPACKED:   [[COPY11:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_D16_XYZW_gfx80_BOTHEN]].sub0
+  ; UNPACKED:   [[COPY12:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_D16_XYZW_gfx80_BOTHEN]].sub1
+  ; UNPACKED:   [[COPY13:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_D16_XYZW_gfx80_BOTHEN]].sub2
+  ; UNPACKED:   [[COPY14:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_D16_XYZW_gfx80_BOTHEN]].sub3
+  ; UNPACKED:   [[V_BFE_U32_:%[0-9]+]]:vgpr_32 = V_BFE_U32 [[COPY11]], 0, 16, implicit $exec
+  ; UNPACKED:   [[V_BFE_U32_1:%[0-9]+]]:vgpr_32 = V_BFE_U32 [[COPY12]], 0, 16, implicit $exec
+  ; UNPACKED:   [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 16, implicit $exec
+  ; UNPACKED:   [[V_LSHLREV_B32_e64_:%[0-9]+]]:vgpr_32 = V_LSHLREV_B32_e64 [[V_MOV_B32_e32_]], [[V_BFE_U32_1]], implicit $exec
+  ; UNPACKED:   [[V_OR_B32_e32_:%[0-9]+]]:vgpr_32 = V_OR_B32_e32 [[V_BFE_U32_]], [[V_LSHLREV_B32_e64_]], implicit $exec
+  ; UNPACKED:   [[V_BFE_U32_2:%[0-9]+]]:vgpr_32 = V_BFE_U32 [[COPY13]], 0, 16, implicit $exec
+  ; UNPACKED:   [[V_BFE_U32_3:%[0-9]+]]:vgpr_32 = V_BFE_U32 [[COPY14]], 0, 16, implicit $exec
+  ; UNPACKED:   [[V_MOV_B32_e32_1:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 16, implicit $exec
+  ; UNPACKED:   [[V_LSHLREV_B32_e64_1:%[0-9]+]]:vgpr_32 = V_LSHLREV_B32_e64 [[V_MOV_B32_e32_1]], [[V_BFE_U32_3]], implicit $exec
+  ; UNPACKED:   [[V_OR_B32_e32_1:%[0-9]+]]:vgpr_32 = V_OR_B32_e32 [[V_BFE_U32_2]], [[V_LSHLREV_B32_e64_1]], implicit $exec
+  ; UNPACKED:   $vgpr0 = COPY [[V_OR_B32_e32_]]
+  ; UNPACKED:   $vgpr1 = COPY [[V_OR_B32_e32_1]]
+  ; UNPACKED:   SI_RETURN_TO_EPILOG implicit $vgpr0, implicit $vgpr1
+  ; PACKED-LABEL: name: struct_buffer_load_format_v4f16__vpr_rsrc__sgpr_vindex__sgpr_voffset__vgpr_soffset
+  ; PACKED: bb.1 (%ir-block.0):
+  ; PACKED:   successors: %bb.2(0x80000000)
+  ; PACKED:   liveins: $sgpr2, $sgpr3, $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4
+  ; PACKED:   [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+  ; PACKED:   [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+  ; PACKED:   [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+  ; PACKED:   [[COPY3:%[0-9]+]]:vgpr_32 = COPY $vgpr3
+  ; PACKED:   [[COPY4:%[0-9]+]]:sreg_32 = COPY $sgpr2
+  ; PACKED:   [[COPY5:%[0-9]+]]:sreg_32 = COPY $sgpr3
+  ; PACKED:   [[COPY6:%[0-9]+]]:vgpr_32 = COPY $vgpr4
+  ; PACKED:   [[REG_SEQUENCE:%[0-9]+]]:vreg_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
+  ; PACKED:   [[COPY7:%[0-9]+]]:vgpr_32 = COPY [[COPY4]]
+  ; PACKED:   [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[COPY5]]
+  ; PACKED:   [[COPY9:%[0-9]+]]:vreg_64 = COPY [[REG_SEQUENCE]].sub0_sub1
+  ; PACKED:   [[COPY10:%[0-9]+]]:vreg_64 = COPY [[REG_SEQUENCE]].sub2_sub3
+  ; PACKED:   [[S_MOV_B64_term:%[0-9]+]]:sreg_64_xexec = S_MOV_B64_term $exec
+  ; PACKED: bb.2:
+  ; PACKED:   successors: %bb.3(0x40000000), %bb.2(0x40000000)
+  ; PACKED:   [[V_READFIRSTLANE_B32_:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY9]].sub0, implicit $exec
+  ; PACKED:   [[V_READFIRSTLANE_B32_1:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY9]].sub1, implicit $exec
+  ; PACKED:   [[REG_SEQUENCE1:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1
+  ; PACKED:   [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE1]], [[COPY9]], implicit $exec
+  ; PACKED:   [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY10]].sub0, implicit $exec
+  ; PACKED:   [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY10]].sub1, implicit $exec
+  ; PACKED:   [[REG_SEQUENCE2:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_2]], %subreg.sub0, [[V_READFIRSTLANE_B32_3]], %subreg.sub1
+  ; PACKED:   [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE2]], [[COPY10]], implicit $exec
+  ; PACKED:   [[S_AND_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U64_e64_1]], [[V_CMP_EQ_U64_e64_]], implicit-def $scc
+  ; PACKED:   [[REG_SEQUENCE3:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1, [[V_READFIRSTLANE_B32_2]], %subreg.sub2, [[V_READFIRSTLANE_B32_3]], %subreg.sub3
+  ; PACKED:   [[V_READFIRSTLANE_B32_4:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY6]], implicit $exec
+  ; PACKED:   [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U32_e64 [[V_READFIRSTLANE_B32_4]], [[COPY6]], implicit $exec
+  ; PACKED:   [[S_AND_B64_1:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U32_e64_]], [[S_AND_B64_]], implicit-def $scc
+  ; PACKED:   [[REG_SEQUENCE4:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY7]], %subreg.sub0, [[COPY8]], %subreg.sub1
+  ; PACKED:   [[BUFFER_LOAD_FORMAT_D16_XYZW_BOTHEN:%[0-9]+]]:vreg_64 = BUFFER_LOAD_FORMAT_D16_XYZW_BOTHEN [[REG_SEQUENCE4]], [[REG_SEQUENCE3]], [[V_READFIRSTLANE_B32_4]], 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load 8 from custom "TargetCustom7", align 1, addrspace 4)
+  ; PACKED:   [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_SAVEEXEC_B64 killed [[S_AND_B64_1]], implicit-def $exec, implicit-def $scc, implicit $exec
+  ; PACKED:   $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc
+  ; PACKED:   S_CBRANCH_EXECNZ %bb.2, implicit $exec
+  ; PACKED: bb.3:
+  ; PACKED:   successors: %bb.4(0x80000000)
+  ; PACKED:   $exec = S_MOV_B64_term [[S_MOV_B64_term]]
+  ; PACKED: bb.4:
+  ; PACKED:   [[COPY11:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_D16_XYZW_BOTHEN]].sub0
+  ; PACKED:   [[COPY12:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_D16_XYZW_BOTHEN]].sub1
+  ; PACKED:   $vgpr0 = COPY [[COPY11]]
+  ; PACKED:   $vgpr1 = COPY [[COPY12]]
+  ; PACKED:   SI_RETURN_TO_EPILOG implicit $vgpr0, implicit $vgpr1
+  %val = call <4 x half> @llvm.amdgcn.struct.buffer.load.format.v4f16(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)
+  ret <4 x half> %val
+}
+
+define amdgpu_ps half @struct_buffer_load_format_f16__sgpr_rsrc__vgpr_vindex__vgpr_voffset__sgpr_soffset_voffsset_add_4095(<4 x i32> inreg %rsrc, i32 %vindex, i32 %voffset.base, i32 inreg %soffset) {
+  ; UNPACKED-LABEL: name: struct_buffer_load_format_f16__sgpr_rsrc__vgpr_vindex__vgpr_voffset__sgpr_soffset_voffsset_add_4095
+  ; UNPACKED: bb.1 (%ir-block.0):
+  ; UNPACKED:   liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0, $vgpr1
+  ; UNPACKED:   [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr2
+  ; UNPACKED:   [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
+  ; UNPACKED:   [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
+  ; UNPACKED:   [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
+  ; UNPACKED:   [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+  ; UNPACKED:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+  ; UNPACKED:   [[COPY6:%[0-9]+]]:sreg_32 = COPY $sgpr6
+  ; UNPACKED:   [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
+  ; UNPACKED:   [[REG_SEQUENCE1:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY4]], %subreg.sub0, [[COPY5]], %subreg.sub1
+  ; UNPACKED:   [[BUFFER_LOAD_FORMAT_D16_X_gfx80_BOTHEN:%[0-9]+]]:vgpr_32 = BUFFER_LOAD_FORMAT_D16_X_gfx80_BOTHEN [[REG_SEQUENCE1]], [[REG_SEQUENCE]], [[COPY6]], 4095, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load 2 from custom "TargetCustom7" + 4095, align 1, addrspace 4)
+  ; UNPACKED:   $vgpr0 = COPY [[BUFFER_LOAD_FORMAT_D16_X_gfx80_BOTHEN]]
+  ; UNPACKED:   SI_RETURN_TO_EPILOG implicit $vgpr0
+  ; PACKED-LABEL: name: struct_buffer_load_format_f16__sgpr_rsrc__vgpr_vindex__vgpr_voffset__sgpr_soffset_voffsset_add_4095
+  ; PACKED: bb.1 (%ir-block.0):
+  ; PACKED:   liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0, $vgpr1
+  ; PACKED:   [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr2
+  ; PACKED:   [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
+  ; PACKED:   [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
+  ; PACKED:   [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
+  ; PACKED:   [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+  ; PACKED:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+  ; PACKED:   [[COPY6:%[0-9]+]]:sreg_32 = COPY $sgpr6
+  ; PACKED:   [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
+  ; PACKED:   [[REG_SEQUENCE1:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY4]], %subreg.sub0, [[COPY5]], %subreg.sub1
+  ; PACKED:   [[BUFFER_LOAD_FORMAT_D16_X_BOTHEN:%[0-9]+]]:vgpr_32 = BUFFER_LOAD_FORMAT_D16_X_BOTHEN [[REG_SEQUENCE1]], [[REG_SEQUENCE]], [[COPY6]], 4095, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load 2 from custom "TargetCustom7" + 4095, align 1, addrspace 4)
+  ; PACKED:   $vgpr0 = COPY [[BUFFER_LOAD_FORMAT_D16_X_BOTHEN]]
+  ; PACKED:   SI_RETURN_TO_EPILOG implicit $vgpr0
+  %voffset = add i32 %voffset.base, 4095
+  %val = call half @llvm.amdgcn.struct.buffer.load.format.f16(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)
+  ret half %val
+}
+
+declare half @llvm.amdgcn.struct.buffer.load.format.f16(<4 x i32>, i32, i32, i32, i32 immarg) #0
+declare <2 x half> @llvm.amdgcn.struct.buffer.load.format.v2f16(<4 x i32>, i32, i32, i32, i32 immarg) #0
+declare <3 x half> @llvm.amdgcn.struct.buffer.load.format.v3f16(<4 x i32>, i32, i32, i32, i32 immarg) #0
+declare <4 x half> @llvm.amdgcn.struct.buffer.load.format.v4f16(<4 x i32>, i32, i32, i32, i32 immarg) #0
+
+attributes #0 = { nounwind readonly }

llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.struct.buffer.load.format.ll

+; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+; RUN: llc -global-isel -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -stop-after=instruction-select -verify-machineinstrs -o - %s | FileCheck %s
+; XUN: llc -global-isel -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx810 -stop-after=instruction-select -verify-machineinstrs -o - %s | FileCheck %s
+
+define amdgpu_ps float @struct_buffer_load_format_f32__sgpr_rsrc__vgpr_vindex__vgpr_voffset__sgpr_soffset(<4 x i32> inreg %rsrc, i32 %vindex, i32 %voffset, i32 inreg %soffset) {
+  ; CHECK-LABEL: name: struct_buffer_load_format_f32__sgpr_rsrc__vgpr_vindex__vgpr_voffset__sgpr_soffset
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0, $vgpr1
+  ; CHECK:   [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr2
+  ; CHECK:   [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
+  ; CHECK:   [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
+  ; CHECK:   [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
+  ; CHECK:   [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+  ; CHECK:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+  ; CHECK:   [[COPY6:%[0-9]+]]:sreg_32 = COPY $sgpr6
+  ; CHECK:   [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
+  ; CHECK:   [[REG_SEQUENCE1:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY4]], %subreg.sub0, [[COPY5]], %subreg.sub1
+  ; CHECK:   [[BUFFER_LOAD_FORMAT_X_BOTHEN:%[0-9]+]]:vgpr_32 = BUFFER_LOAD_FORMAT_X_BOTHEN [[REG_SEQUENCE1]], [[REG_SEQUENCE]], [[COPY6]], 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load 4 from custom "TargetCustom7", align 1, addrspace 4)
+  ; CHECK:   $vgpr0 = COPY [[BUFFER_LOAD_FORMAT_X_BOTHEN]]
+  ; CHECK:   SI_RETURN_TO_EPILOG implicit $vgpr0
+  %val = call float @llvm.amdgcn.struct.buffer.load.format.f32(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)
+  ret float %val
+}
+
+define amdgpu_ps <2 x float> @struct_buffer_load_format_v2f32__sgpr_rsrc__vgpr_vindex__vgpr_voffset__sgpr_soffset(<4 x i32> inreg %rsrc, i32 %vindex, i32 %voffset, i32 inreg %soffset) {
+  ; CHECK-LABEL: name: struct_buffer_load_format_v2f32__sgpr_rsrc__vgpr_vindex__vgpr_voffset__sgpr_soffset
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0, $vgpr1
+  ; CHECK:   [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr2
+  ; CHECK:   [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
+  ; CHECK:   [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
+  ; CHECK:   [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
+  ; CHECK:   [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+  ; CHECK:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+  ; CHECK:   [[COPY6:%[0-9]+]]:sreg_32 = COPY $sgpr6
+  ; CHECK:   [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
+  ; CHECK:   [[REG_SEQUENCE1:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY4]], %subreg.sub0, [[COPY5]], %subreg.sub1
+  ; CHECK:   [[BUFFER_LOAD_FORMAT_XY_BOTHEN:%[0-9]+]]:vreg_64 = BUFFER_LOAD_FORMAT_XY_BOTHEN [[REG_SEQUENCE1]], [[REG_SEQUENCE]], [[COPY6]], 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load 8 from custom "TargetCustom7", align 1, addrspace 4)
+  ; CHECK:   [[COPY7:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XY_BOTHEN]].sub0
+  ; CHECK:   [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XY_BOTHEN]].sub1
+  ; CHECK:   $vgpr0 = COPY [[COPY7]]
+  ; CHECK:   $vgpr1 = COPY [[COPY8]]
+  ; CHECK:   SI_RETURN_TO_EPILOG implicit $vgpr0, implicit $vgpr1
+  %val = call <2 x float> @llvm.amdgcn.struct.buffer.load.format.v2f32(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)
+  ret <2 x float> %val
+}
+
+define amdgpu_ps <3 x float> @struct_buffer_load_format_v3f32__sgpr_rsrc__vgpr_vindex__vgpr_voffset__sgpr_soffset(<4 x i32> inreg %rsrc, i32 %vindex, i32 %voffset, i32 inreg %soffset) {
+  ; CHECK-LABEL: name: struct_buffer_load_format_v3f32__sgpr_rsrc__vgpr_vindex__vgpr_voffset__sgpr_soffset
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0, $vgpr1
+  ; CHECK:   [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr2
+  ; CHECK:   [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
+  ; CHECK:   [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
+  ; CHECK:   [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
+  ; CHECK:   [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+  ; CHECK:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+  ; CHECK:   [[COPY6:%[0-9]+]]:sreg_32 = COPY $sgpr6
+  ; CHECK:   [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
+  ; CHECK:   [[REG_SEQUENCE1:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY4]], %subreg.sub0, [[COPY5]], %subreg.sub1
+  ; CHECK:   [[BUFFER_LOAD_FORMAT_XYZ_BOTHEN:%[0-9]+]]:vreg_96 = BUFFER_LOAD_FORMAT_XYZ_BOTHEN [[REG_SEQUENCE1]], [[REG_SEQUENCE]], [[COPY6]], 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load 12 from custom "TargetCustom7", align 1, addrspace 4)
+  ; CHECK:   [[COPY7:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XYZ_BOTHEN]].sub0
+  ; CHECK:   [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XYZ_BOTHEN]].sub1
+  ; CHECK:   [[COPY9:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XYZ_BOTHEN]].sub2
+  ; CHECK:   $vgpr0 = COPY [[COPY7]]
+  ; CHECK:   $vgpr1 = COPY [[COPY8]]
+  ; CHECK:   $vgpr2 = COPY [[COPY9]]
+  ; CHECK:   SI_RETURN_TO_EPILOG implicit $vgpr0, implicit $vgpr1, implicit $vgpr2
+  %val = call <3 x float> @llvm.amdgcn.struct.buffer.load.format.v3f32(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)
+  ret <3 x float> %val
+}
+
+define amdgpu_ps <4 x float> @struct_buffer_load_format_v4f32__sgpr_rsrc__vgpr_vindex__vgpr_voffset__sgpr_soffset(<4 x i32> inreg %rsrc, i32 %vindex, i32 %voffset, i32 inreg %soffset) {
+  ; CHECK-LABEL: name: struct_buffer_load_format_v4f32__sgpr_rsrc__vgpr_vindex__vgpr_voffset__sgpr_soffset
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0, $vgpr1
+  ; CHECK:   [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr2
+  ; CHECK:   [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
+  ; CHECK:   [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
+  ; CHECK:   [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
+  ; CHECK:   [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+  ; CHECK:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+  ; CHECK:   [[COPY6:%[0-9]+]]:sreg_32 = COPY $sgpr6
+  ; CHECK:   [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
+  ; CHECK:   [[REG_SEQUENCE1:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY4]], %subreg.sub0, [[COPY5]], %subreg.sub1
+  ; CHECK:   [[BUFFER_LOAD_FORMAT_XYZW_BOTHEN:%[0-9]+]]:vreg_128 = BUFFER_LOAD_FORMAT_XYZW_BOTHEN [[REG_SEQUENCE1]], [[REG_SEQUENCE]], [[COPY6]], 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load 16 from custom "TargetCustom7", align 1, addrspace 4)
+  ; CHECK:   [[COPY7:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XYZW_BOTHEN]].sub0
+  ; CHECK:   [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XYZW_BOTHEN]].sub1
+  ; CHECK:   [[COPY9:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XYZW_BOTHEN]].sub2
+  ; CHECK:   [[COPY10:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XYZW_BOTHEN]].sub3
+  ; CHECK:   $vgpr0 = COPY [[COPY7]]
+  ; CHECK:   $vgpr1 = COPY [[COPY8]]
+  ; CHECK:   $vgpr2 = COPY [[COPY9]]
+  ; CHECK:   $vgpr3 = COPY [[COPY10]]
+  ; CHECK:   SI_RETURN_TO_EPILOG implicit $vgpr0, implicit $vgpr1, implicit $vgpr2, implicit $vgpr3
+  %val = call <4 x float> @llvm.amdgcn.struct.buffer.load.format.v4f32(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)
+  ret <4 x float> %val
+}
+
+; Waterfall for rsrc and soffset, copy for voffset
+define amdgpu_ps <4 x float> @struct_buffer_load_format_v4f32__vpr_rsrc__sgpr_vindex__sgpr_voffset__vgpr_soffset(<4 x i32> %rsrc, i32 inreg %vindex, i32 inreg %voffset, i32 %soffset) {
+  ; CHECK-LABEL: name: struct_buffer_load_format_v4f32__vpr_rsrc__sgpr_vindex__sgpr_voffset__vgpr_soffset
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   successors: %bb.2(0x80000000)
+  ; CHECK:   liveins: $sgpr2, $sgpr3, $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4
+  ; CHECK:   [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+  ; CHECK:   [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+  ; CHECK:   [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+  ; CHECK:   [[COPY3:%[0-9]+]]:vgpr_32 = COPY $vgpr3
+  ; CHECK:   [[COPY4:%[0-9]+]]:sreg_32 = COPY $sgpr2
+  ; CHECK:   [[COPY5:%[0-9]+]]:sreg_32 = COPY $sgpr3
+  ; CHECK:   [[COPY6:%[0-9]+]]:vgpr_32 = COPY $vgpr4
+  ; CHECK:   [[REG_SEQUENCE:%[0-9]+]]:vreg_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
+  ; CHECK:   [[COPY7:%[0-9]+]]:vgpr_32 = COPY [[COPY4]]
+  ; CHECK:   [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[COPY5]]
+  ; CHECK:   [[COPY9:%[0-9]+]]:vreg_64 = COPY [[REG_SEQUENCE]].sub0_sub1
+  ; CHECK:   [[COPY10:%[0-9]+]]:vreg_64 = COPY [[REG_SEQUENCE]].sub2_sub3
+  ; CHECK:   [[S_MOV_B64_term:%[0-9]+]]:sreg_64_xexec = S_MOV_B64_term $exec
+  ; CHECK: bb.2:
+  ; CHECK:   successors: %bb.3(0x40000000), %bb.2(0x40000000)
+  ; CHECK:   [[V_READFIRSTLANE_B32_:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY9]].sub0, implicit $exec
+  ; CHECK:   [[V_READFIRSTLANE_B32_1:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY9]].sub1, implicit $exec
+  ; CHECK:   [[REG_SEQUENCE1:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1
+  ; CHECK:   [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE1]], [[COPY9]], implicit $exec
+  ; CHECK:   [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY10]].sub0, implicit $exec
+  ; CHECK:   [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY10]].sub1, implicit $exec
+  ; CHECK:   [[REG_SEQUENCE2:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_2]], %subreg.sub0, [[V_READFIRSTLANE_B32_3]], %subreg.sub1
+  ; CHECK:   [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE2]], [[COPY10]], implicit $exec
+  ; CHECK:   [[S_AND_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U64_e64_1]], [[V_CMP_EQ_U64_e64_]], implicit-def $scc
+  ; CHECK:   [[REG_SEQUENCE3:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1, [[V_READFIRSTLANE_B32_2]], %subreg.sub2, [[V_READFIRSTLANE_B32_3]], %subreg.sub3
+  ; CHECK:   [[V_READFIRSTLANE_B32_4:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY6]], implicit $exec
+  ; CHECK:   [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U32_e64 [[V_READFIRSTLANE_B32_4]], [[COPY6]], implicit $exec
+  ; CHECK:   [[S_AND_B64_1:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U32_e64_]], [[S_AND_B64_]], implicit-def $scc
+  ; CHECK:   [[REG_SEQUENCE4:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY7]], %subreg.sub0, [[COPY8]], %subreg.sub1
+  ; CHECK:   [[BUFFER_LOAD_FORMAT_XYZW_BOTHEN:%[0-9]+]]:vreg_128 = BUFFER_LOAD_FORMAT_XYZW_BOTHEN [[REG_SEQUENCE4]], [[REG_SEQUENCE3]], [[V_READFIRSTLANE_B32_4]], 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load 16 from custom "TargetCustom7", align 1, addrspace 4)
+  ; CHECK:   [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_SAVEEXEC_B64 killed [[S_AND_B64_1]], implicit-def $exec, implicit-def $scc, implicit $exec
+  ; CHECK:   $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc
+  ; CHECK:   S_CBRANCH_EXECNZ %bb.2, implicit $exec
+  ; CHECK: bb.3:
+  ; CHECK:   successors: %bb.4(0x80000000)
+  ; CHECK:   $exec = S_MOV_B64_term [[S_MOV_B64_term]]
+  ; CHECK: bb.4:
+  ; CHECK:   [[COPY11:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XYZW_BOTHEN]].sub0
+  ; CHECK:   [[COPY12:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XYZW_BOTHEN]].sub1
+  ; CHECK:   [[COPY13:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XYZW_BOTHEN]].sub2
+  ; CHECK:   [[COPY14:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_LOAD_FORMAT_XYZW_BOTHEN]].sub3
+  ; CHECK:   $vgpr0 = COPY [[COPY11]]
+  ; CHECK:   $vgpr1 = COPY [[COPY12]]
+  ; CHECK:   $vgpr2 = COPY [[COPY13]]
+  ; CHECK:   $vgpr3 = COPY [[COPY14]]
+  ; CHECK:   SI_RETURN_TO_EPILOG implicit $vgpr0, implicit $vgpr1, implicit $vgpr2, implicit $vgpr3
+  %val = call <4 x float> @llvm.amdgcn.struct.buffer.load.format.v4f32(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)
+  ret <4 x float> %val
+}
+
+define amdgpu_ps float @struct_buffer_load_format_f32__sgpr_rsrc__vgpr_vindex__vgpr_voffset__sgpr_soffset_voffsset_add_4095(<4 x i32> inreg %rsrc, i32 %vindex, i32 %voffset.base, i32 inreg %soffset) {
+  ; CHECK-LABEL: name: struct_buffer_load_format_f32__sgpr_rsrc__vgpr_vindex__vgpr_voffset__sgpr_soffset_voffsset_add_4095
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0, $vgpr1
+  ; CHECK:   [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr2
+  ; CHECK:   [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
+  ; CHECK:   [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
+  ; CHECK:   [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
+  ; CHECK:   [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+  ; CHECK:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+  ; CHECK:   [[COPY6:%[0-9]+]]:sreg_32 = COPY $sgpr6
+  ; CHECK:   [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
+  ; CHECK:   [[REG_SEQUENCE1:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY4]], %subreg.sub0, [[COPY5]], %subreg.sub1
+  ; CHECK:   [[BUFFER_LOAD_FORMAT_X_BOTHEN:%[0-9]+]]:vgpr_32 = BUFFER_LOAD_FORMAT_X_BOTHEN [[REG_SEQUENCE1]], [[REG_SEQUENCE]], [[COPY6]], 4095, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load 4 from custom "TargetCustom7" + 4095, align 1, addrspace 4)
+  ; CHECK:   $vgpr0 = COPY [[BUFFER_LOAD_FORMAT_X_BOTHEN]]
+  ; CHECK:   SI_RETURN_TO_EPILOG implicit $vgpr0
+  %voffset = add i32 %voffset.base, 4095
+  %val = call float @llvm.amdgcn.struct.buffer.load.format.f32(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)
+  ret float %val
+}
+
+declare float @llvm.amdgcn.struct.buffer.load.format.f32(<4 x i32>, i32, i32, i32, i32 immarg) #0
+declare <2 x float> @llvm.amdgcn.struct.buffer.load.format.v2f32(<4 x i32>, i32, i32, i32, i32 immarg) #0
+declare <3 x float> @llvm.amdgcn.struct.buffer.load.format.v3f32(<4 x i32>, i32, i32, i32, i32 immarg) #0
+declare <4 x float> @llvm.amdgcn.struct.buffer.load.format.v4f32(<4 x i32>, i32, i32, i32, i32 immarg) #0
+
+attributes #0 = { nounwind readonly }