Index: lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
===================================================================
--- lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
+++ lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
@@ -1391,6 +1391,12 @@
       executeInWaterfallLoop(MI, MRI, {2, 4});
       return;
     }
+    case Intrinsic::amdgcn_struct_buffer_load:
+    case Intrinsic::amdgcn_struct_buffer_store: {
+      applyDefaultMapping(OpdMapper);
+      executeInWaterfallLoop(MI, MRI, {2, 5});
+      return;
+    }
     default: {
       if (const AMDGPU::RsrcIntrinsic *RSrcIntrin =
               AMDGPU::lookupRsrcIntrinsic(IntrID)) {
@@ -2328,6 +2334,22 @@
       OpdsMapping[4] = getSGPROpMapping(MI.getOperand(4).getReg(), MRI, *TRI);
       break;
     }
+    case Intrinsic::amdgcn_struct_buffer_load: {
+      OpdsMapping[0] = getVGPROpMapping(MI.getOperand(0).getReg(), MRI, *TRI);
+      OpdsMapping[2] = getSGPROpMapping(MI.getOperand(2).getReg(), MRI, *TRI);
+      OpdsMapping[3] = getVGPROpMapping(MI.getOperand(3).getReg(), MRI, *TRI);
+      OpdsMapping[4] = getVGPROpMapping(MI.getOperand(4).getReg(), MRI, *TRI);
+      OpdsMapping[5] = getSGPROpMapping(MI.getOperand(5).getReg(), MRI, *TRI);
+      break;
+    }
+    case Intrinsic::amdgcn_struct_buffer_store: {
+      OpdsMapping[1] = getVGPROpMapping(MI.getOperand(1).getReg(), MRI, *TRI);
+      OpdsMapping[2] = getSGPROpMapping(MI.getOperand(2).getReg(), MRI, *TRI);
+      OpdsMapping[3] = getVGPROpMapping(MI.getOperand(3).getReg(), MRI, *TRI);
+      OpdsMapping[4] = getVGPROpMapping(MI.getOperand(4).getReg(), MRI, *TRI);
+      OpdsMapping[5] = getSGPROpMapping(MI.getOperand(5).getReg(), MRI, *TRI);
+      break;
+    }
     default:
       if (const AMDGPU::RsrcIntrinsic *RSrcIntrin =
               AMDGPU::lookupRsrcIntrinsic(IntrID)) {
Index: test/CodeGen/AMDGPU/GlobalISel/regbankselect-amdgcn.struct.buffer.load.ll
===================================================================
--- /dev/null
+++ test/CodeGen/AMDGPU/GlobalISel/regbankselect-amdgcn.struct.buffer.load.ll
@@ -0,0 +1,179 @@
+; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+; RUN: llc -global-isel -mtriple=amdgcn-mesa-mesa3d -stop-after=regbankselect -regbankselect-fast -o - %s | FileCheck %s
+; RUN: llc -global-isel -mtriple=amdgcn-mesa-mesa3d -stop-after=regbankselect -regbankselect-greedy -o - %s | FileCheck %s
+
+; Natural mapping
+define 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) {
+  ; CHECK-LABEL: name: struct_buffer_load__sgpr_rsrc__vgpr_val__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]+]]:sgpr(s32) = COPY $sgpr2
+  ; CHECK:   [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr3
+  ; CHECK:   [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr4
+  ; CHECK:   [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr5
+  ; CHECK:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+  ; CHECK:   [[COPY5:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+  ; CHECK:   [[COPY6:%[0-9]+]]:sgpr(s32) = COPY $sgpr6
+  ; CHECK:   [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)
+  ; CHECK:   [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.struct.buffer.load), [[BUILD_VECTOR]](<4 x s32>), [[COPY4]](s32), [[COPY5]](s32), [[COPY6]](s32), 0 :: (dereferenceable load 4 from custom TargetCustom7, align 1, addrspace 4)
+  ; CHECK:   $vgpr0 = COPY [[INT]](s32)
+  ; CHECK:   SI_RETURN_TO_EPILOG implicit $vgpr0
+  %val = call float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)
+  ret float %val
+}
+
+; Copies for VGPR arguments
+define 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) {
+  ; CHECK-LABEL: name: struct_buffer_load__sgpr_rsrc__sgpr_val__sgpr_vindex__sgpr_voffset__sgpr_soffset
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $sgpr7, $sgpr8
+  ; CHECK:   [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+  ; CHECK:   [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr3
+  ; CHECK:   [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr4
+  ; CHECK:   [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr5
+  ; CHECK:   [[COPY4:%[0-9]+]]:sgpr(s32) = COPY $sgpr6
+  ; CHECK:   [[COPY5:%[0-9]+]]:sgpr(s32) = COPY $sgpr7
+  ; CHECK:   [[COPY6:%[0-9]+]]:sgpr(s32) = COPY $sgpr8
+  ; CHECK:   [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)
+  ; CHECK:   [[COPY7:%[0-9]+]]:vgpr(s32) = COPY [[COPY4]](s32)
+  ; CHECK:   [[COPY8:%[0-9]+]]:vgpr(s32) = COPY [[COPY5]](s32)
+  ; CHECK:   [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.struct.buffer.load), [[BUILD_VECTOR]](<4 x s32>), [[COPY7]](s32), [[COPY8]](s32), [[COPY6]](s32), 0 :: (dereferenceable load 4 from custom TargetCustom7, align 1, addrspace 4)
+  ; CHECK:   $vgpr0 = COPY [[INT]](s32)
+  ; CHECK:   SI_RETURN_TO_EPILOG implicit $vgpr0
+  %val = call float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)
+  ret float %val
+}
+
+; Waterfall for rsrc
+define 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) {
+  ; CHECK-LABEL: name: struct_buffer_load__vgpr_rsrc__vgpr_val__vgpr_vindex__vgpr_voffset__sgpr_soffset
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   successors: %bb.2(0x80000000)
+  ; CHECK:   liveins: $sgpr2, $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr5
+  ; CHECK:   [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+  ; CHECK:   [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+  ; CHECK:   [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr2
+  ; CHECK:   [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr3
+  ; CHECK:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr4
+  ; CHECK:   [[COPY5:%[0-9]+]]:vgpr(s32) = COPY $vgpr5
+  ; CHECK:   [[COPY6:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+  ; CHECK:   [[BUILD_VECTOR:%[0-9]+]]:vgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)
+  ; CHECK:   [[DEF:%[0-9]+]]:vgpr(s32) = G_IMPLICIT_DEF
+  ; CHECK:   [[DEF1:%[0-9]+]]:sreg_64_xexec = IMPLICIT_DEF
+  ; CHECK:   [[UV:%[0-9]+]]:vreg_64(s64), [[UV1:%[0-9]+]]:vreg_64(s64) = G_UNMERGE_VALUES [[BUILD_VECTOR]](<4 x s32>)
+  ; 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:   [[PHI:%[0-9]+]]:sreg_64 = PHI [[DEF1]], %bb.1, %16, %bb.2
+  ; CHECK:   [[PHI1:%[0-9]+]]:vgpr(s32) = G_PHI [[DEF]](s32), %bb.1, %10(s32), %bb.2
+  ; CHECK:   [[V_READFIRSTLANE_B32_:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV]].sub0(s64), implicit $exec
+  ; CHECK:   [[V_READFIRSTLANE_B32_1:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV]].sub1(s64), implicit $exec
+  ; CHECK:   [[MV:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32)
+  ; CHECK:   [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV]](s64), [[UV]](s64), implicit $exec
+  ; CHECK:   [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub0(s64), implicit $exec
+  ; CHECK:   [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub1(s64), implicit $exec
+  ; CHECK:   [[MV1:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32)
+  ; CHECK:   [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV1]](s64), [[UV1]](s64), 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:   [[BUILD_VECTOR1:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32), [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32)
+  ; CHECK:   [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.struct.buffer.load), [[BUILD_VECTOR1]](<4 x s32>), [[COPY4]](s32), [[COPY5]](s32), [[COPY6]](s32), 0 :: (dereferenceable load 4 from custom TargetCustom7, align 1, addrspace 4)
+  ; CHECK:   [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64 = S_AND_SAVEEXEC_B64 killed [[S_AND_B64_]], 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:   $vgpr0 = COPY [[INT]](s32)
+  ; CHECK:   SI_RETURN_TO_EPILOG implicit $vgpr0
+  %val = call float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)
+  ret float %val
+}
+
+; Waterfall for soffset
+define 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) {
+  ; CHECK-LABEL: name: struct_buffer_load__sgpr_rsrc__vgpr_val__vgpr_vindex_vgpr_voffset__vgpr_soffset
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   successors: %bb.2(0x80000000)
+  ; CHECK:   liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $vgpr0, $vgpr1, $vgpr2
+  ; CHECK:   [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+  ; CHECK:   [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr3
+  ; CHECK:   [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr4
+  ; CHECK:   [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr5
+  ; CHECK:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+  ; CHECK:   [[COPY5:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+  ; CHECK:   [[COPY6:%[0-9]+]]:vgpr_32(s32) = COPY $vgpr2
+  ; CHECK:   [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)
+  ; CHECK:   [[DEF:%[0-9]+]]:vgpr(s32) = G_IMPLICIT_DEF
+  ; CHECK:   [[DEF1:%[0-9]+]]:sreg_64_xexec = IMPLICIT_DEF
+  ; 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:   [[PHI:%[0-9]+]]:sreg_64 = PHI [[DEF1]], %bb.1, %16, %bb.2
+  ; CHECK:   [[PHI1:%[0-9]+]]:vgpr(s32) = G_PHI [[DEF]](s32), %bb.1, %10(s32), %bb.2
+  ; CHECK:   [[V_READFIRSTLANE_B32_:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[COPY6]](s32), implicit $exec
+  ; CHECK:   [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_64 = V_CMP_EQ_U32_e64 [[V_READFIRSTLANE_B32_]](s32), [[COPY6]](s32), implicit $exec
+  ; CHECK:   [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.struct.buffer.load), [[BUILD_VECTOR]](<4 x s32>), [[COPY4]](s32), [[COPY5]](s32), [[V_READFIRSTLANE_B32_]](s32), 0 :: (dereferenceable load 4 from custom TargetCustom7, align 1, addrspace 4)
+  ; CHECK:   [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64 = S_AND_SAVEEXEC_B64 killed [[V_CMP_EQ_U32_e64_]], 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:   $vgpr0 = COPY [[INT]](s32)
+  ; CHECK:   SI_RETURN_TO_EPILOG implicit $vgpr0
+  %val = call float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)
+  ret float %val
+}
+
+; Waterfall for rsrc and soffset
+define 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) {
+  ; CHECK-LABEL: name: struct_buffer_load__vgpr_rsrc__vgpr_val__vgpr_vindex__vgpr_voffset__vgpr_soffset
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   successors: %bb.2(0x80000000)
+  ; CHECK:   liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr5, $vgpr6
+  ; CHECK:   [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+  ; CHECK:   [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+  ; CHECK:   [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr2
+  ; CHECK:   [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr3
+  ; CHECK:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr4
+  ; CHECK:   [[COPY5:%[0-9]+]]:vgpr(s32) = COPY $vgpr5
+  ; CHECK:   [[COPY6:%[0-9]+]]:vgpr_32(s32) = COPY $vgpr6
+  ; CHECK:   [[BUILD_VECTOR:%[0-9]+]]:vgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)
+  ; CHECK:   [[DEF:%[0-9]+]]:vgpr(s32) = G_IMPLICIT_DEF
+  ; CHECK:   [[DEF1:%[0-9]+]]:sreg_64_xexec = IMPLICIT_DEF
+  ; CHECK:   [[UV:%[0-9]+]]:vreg_64(s64), [[UV1:%[0-9]+]]:vreg_64(s64) = G_UNMERGE_VALUES [[BUILD_VECTOR]](<4 x s32>)
+  ; 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:   [[PHI:%[0-9]+]]:sreg_64 = PHI [[DEF1]], %bb.1, %16, %bb.2
+  ; CHECK:   [[PHI1:%[0-9]+]]:vgpr(s32) = G_PHI [[DEF]](s32), %bb.1, %10(s32), %bb.2
+  ; CHECK:   [[V_READFIRSTLANE_B32_:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV]].sub0(s64), implicit $exec
+  ; CHECK:   [[V_READFIRSTLANE_B32_1:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV]].sub1(s64), implicit $exec
+  ; CHECK:   [[MV:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32)
+  ; CHECK:   [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV]](s64), [[UV]](s64), implicit $exec
+  ; CHECK:   [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub0(s64), implicit $exec
+  ; CHECK:   [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub1(s64), implicit $exec
+  ; CHECK:   [[MV1:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32)
+  ; CHECK:   [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV1]](s64), [[UV1]](s64), 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:   [[BUILD_VECTOR1:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32), [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32)
+  ; CHECK:   [[V_READFIRSTLANE_B32_4:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[COPY6]](s32), implicit $exec
+  ; CHECK:   [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_64 = V_CMP_EQ_U32_e64 [[V_READFIRSTLANE_B32_4]](s32), [[COPY6]](s32), 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:   [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.struct.buffer.load), [[BUILD_VECTOR1]](<4 x s32>), [[COPY4]](s32), [[COPY5]](s32), [[V_READFIRSTLANE_B32_4]](s32), 0 :: (dereferenceable load 4 from custom TargetCustom7, align 1, addrspace 4)
+  ; CHECK:   [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64 = 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:   $vgpr0 = COPY [[INT]](s32)
+  ; CHECK:   SI_RETURN_TO_EPILOG implicit $vgpr0
+  %val = call float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)
+  ret float %val
+}
+
+declare float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32>, i32, i32, i32, i32 immarg)
Index: test/CodeGen/AMDGPU/GlobalISel/regbankselect-amdgcn.struct.buffer.store.ll
===================================================================
--- /dev/null
+++ test/CodeGen/AMDGPU/GlobalISel/regbankselect-amdgcn.struct.buffer.store.ll
@@ -0,0 +1,174 @@
+; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+; RUN: llc -global-isel -mtriple=amdgcn-mesa-mesa3d -stop-after=regbankselect -regbankselect-fast -o - %s | FileCheck %s
+; RUN: llc -global-isel -mtriple=amdgcn-mesa-mesa3d -stop-after=regbankselect -regbankselect-greedy -o - %s | FileCheck %s
+
+; Natural mapping
+define amdgpu_ps void @struct_buffer_store__sgpr_rsrc__vgpr_val__vgpr_vindex__vgpr_voffset__sgpr_soffset(<4 x i32> inreg %rsrc, float %val, i32 %vindex, i32 %voffset, i32 inreg %soffset) {
+  ; CHECK-LABEL: name: struct_buffer_store__sgpr_rsrc__vgpr_val__vgpr_vindex__vgpr_voffset__sgpr_soffset
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0, $vgpr1, $vgpr2
+  ; CHECK:   [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+  ; CHECK:   [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr3
+  ; CHECK:   [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr4
+  ; CHECK:   [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr5
+  ; CHECK:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+  ; CHECK:   [[COPY5:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+  ; CHECK:   [[COPY6:%[0-9]+]]:vgpr(s32) = COPY $vgpr2
+  ; CHECK:   [[COPY7:%[0-9]+]]:sgpr(s32) = COPY $sgpr6
+  ; CHECK:   [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)
+  ; CHECK:   G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.struct.buffer.store), [[COPY4]](s32), [[BUILD_VECTOR]](<4 x s32>), [[COPY5]](s32), [[COPY6]](s32), [[COPY7]](s32), 0 :: (dereferenceable store 4 into custom TargetCustom7, align 1, addrspace 4)
+  ; CHECK:   S_ENDPGM 0
+  call void @llvm.amdgcn.struct.buffer.store.f32(float %val, <4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)
+  ret void
+}
+
+; Copies for VGPR arguments
+define amdgpu_ps void @struct_buffer_store__sgpr_rsrc__sgpr_val__sgpr_vindex__sgpr_voffset__sgpr_soffset(<4 x i32> inreg %rsrc, float inreg %val, i32 inreg %vindex, i32 inreg %voffset, i32 inreg %soffset) {
+  ; CHECK-LABEL: name: struct_buffer_store__sgpr_rsrc__sgpr_val__sgpr_vindex__sgpr_voffset__sgpr_soffset
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $sgpr7, $sgpr8, $sgpr9
+  ; CHECK:   [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+  ; CHECK:   [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr3
+  ; CHECK:   [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr4
+  ; CHECK:   [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr5
+  ; CHECK:   [[COPY4:%[0-9]+]]:sgpr(s32) = COPY $sgpr6
+  ; CHECK:   [[COPY5:%[0-9]+]]:sgpr(s32) = COPY $sgpr7
+  ; CHECK:   [[COPY6:%[0-9]+]]:sgpr(s32) = COPY $sgpr8
+  ; CHECK:   [[COPY7:%[0-9]+]]:sgpr(s32) = COPY $sgpr9
+  ; CHECK:   [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)
+  ; CHECK:   [[COPY8:%[0-9]+]]:vgpr(s32) = COPY [[COPY4]](s32)
+  ; CHECK:   [[COPY9:%[0-9]+]]:vgpr(s32) = COPY [[COPY5]](s32)
+  ; CHECK:   [[COPY10:%[0-9]+]]:vgpr(s32) = COPY [[COPY6]](s32)
+  ; CHECK:   G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.struct.buffer.store), [[COPY8]](s32), [[BUILD_VECTOR]](<4 x s32>), [[COPY9]](s32), [[COPY10]](s32), [[COPY7]](s32), 0 :: (dereferenceable store 4 into custom TargetCustom7, align 1, addrspace 4)
+  ; CHECK:   S_ENDPGM 0
+  call void @llvm.amdgcn.struct.buffer.store.f32(float %val, <4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)
+  ret void
+}
+
+; Waterfall for rsrc
+define amdgpu_ps void @struct_buffer_store__vgpr_rsrc__vgpr_val__vgpr_vindex__vgpr_voffset__sgpr_soffset(<4 x i32> %rsrc, float %val, i32 %vindex, i32 %voffset, i32 inreg %soffset) {
+  ; CHECK-LABEL: name: struct_buffer_store__vgpr_rsrc__vgpr_val__vgpr_vindex__vgpr_voffset__sgpr_soffset
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   successors: %bb.2(0x80000000)
+  ; CHECK:   liveins: $sgpr2, $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr5, $vgpr6
+  ; CHECK:   [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+  ; CHECK:   [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+  ; CHECK:   [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr2
+  ; CHECK:   [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr3
+  ; CHECK:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr4
+  ; CHECK:   [[COPY5:%[0-9]+]]:vgpr(s32) = COPY $vgpr5
+  ; CHECK:   [[COPY6:%[0-9]+]]:vgpr(s32) = COPY $vgpr6
+  ; CHECK:   [[COPY7:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+  ; CHECK:   [[BUILD_VECTOR:%[0-9]+]]:vgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)
+  ; CHECK:   [[DEF:%[0-9]+]]:sreg_64_xexec = IMPLICIT_DEF
+  ; CHECK:   [[UV:%[0-9]+]]:vreg_64(s64), [[UV1:%[0-9]+]]:vreg_64(s64) = G_UNMERGE_VALUES [[BUILD_VECTOR]](<4 x s32>)
+  ; 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:   [[PHI:%[0-9]+]]:sreg_64 = PHI [[DEF]], %bb.1, %14, %bb.2
+  ; CHECK:   [[V_READFIRSTLANE_B32_:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV]].sub0(s64), implicit $exec
+  ; CHECK:   [[V_READFIRSTLANE_B32_1:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV]].sub1(s64), implicit $exec
+  ; CHECK:   [[MV:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32)
+  ; CHECK:   [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV]](s64), [[UV]](s64), implicit $exec
+  ; CHECK:   [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub0(s64), implicit $exec
+  ; CHECK:   [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub1(s64), implicit $exec
+  ; CHECK:   [[MV1:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32)
+  ; CHECK:   [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV1]](s64), [[UV1]](s64), 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:   [[BUILD_VECTOR1:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32), [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32)
+  ; CHECK:   G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.struct.buffer.store), [[COPY4]](s32), [[BUILD_VECTOR1]](<4 x s32>), [[COPY5]](s32), [[COPY6]](s32), [[COPY7]](s32), 0 :: (dereferenceable store 4 into custom TargetCustom7, align 1, addrspace 4)
+  ; CHECK:   [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64 = S_AND_SAVEEXEC_B64 killed [[S_AND_B64_]], 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:   S_ENDPGM 0
+  call void @llvm.amdgcn.struct.buffer.store.f32(float %val, <4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)
+  ret void
+}
+
+; Waterfall for soffset
+define amdgpu_ps void @struct_buffer_store__sgpr_rsrc__vgpr_val__vgpr_vindex__vgpr_voffset__vgpr_soffset(<4 x i32> inreg %rsrc, float %val, i32 %vindex, i32 %voffset, i32 %soffset) {
+  ; CHECK-LABEL: name: struct_buffer_store__sgpr_rsrc__vgpr_val__vgpr_vindex__vgpr_voffset__vgpr_soffset
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   successors: %bb.2(0x80000000)
+  ; CHECK:   liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $vgpr0, $vgpr1, $vgpr2, $vgpr3
+  ; CHECK:   [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+  ; CHECK:   [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr3
+  ; CHECK:   [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr4
+  ; CHECK:   [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr5
+  ; CHECK:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+  ; CHECK:   [[COPY5:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+  ; CHECK:   [[COPY6:%[0-9]+]]:vgpr(s32) = COPY $vgpr2
+  ; CHECK:   [[COPY7:%[0-9]+]]:vgpr_32(s32) = COPY $vgpr3
+  ; CHECK:   [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)
+  ; CHECK:   [[DEF:%[0-9]+]]:sreg_64_xexec = IMPLICIT_DEF
+  ; 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:   [[PHI:%[0-9]+]]:sreg_64 = PHI [[DEF]], %bb.1, %14, %bb.2
+  ; CHECK:   [[V_READFIRSTLANE_B32_:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[COPY7]](s32), implicit $exec
+  ; CHECK:   [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_64 = V_CMP_EQ_U32_e64 [[V_READFIRSTLANE_B32_]](s32), [[COPY7]](s32), implicit $exec
+  ; CHECK:   G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.struct.buffer.store), [[COPY4]](s32), [[BUILD_VECTOR]](<4 x s32>), [[COPY5]](s32), [[COPY6]](s32), [[V_READFIRSTLANE_B32_]](s32), 0 :: (dereferenceable store 4 into custom TargetCustom7, align 1, addrspace 4)
+  ; CHECK:   [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64 = S_AND_SAVEEXEC_B64 killed [[V_CMP_EQ_U32_e64_]], 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:   S_ENDPGM 0
+  call void @llvm.amdgcn.struct.buffer.store.f32(float %val, <4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)
+  ret void
+}
+
+; Waterfall for rsrc and soffset
+define amdgpu_ps void @struct_buffer_store__vgpr_rsrc__vgpr_val__vgpr_vindex__vgpr_voffset__vgpr_soffset(<4 x i32> %rsrc, float %val, i32 %vindex, i32 %voffset, i32 %soffset) {
+  ; CHECK-LABEL: name: struct_buffer_store__vgpr_rsrc__vgpr_val__vgpr_vindex__vgpr_voffset__vgpr_soffset
+  ; CHECK: bb.1 (%ir-block.0):
+  ; CHECK:   successors: %bb.2(0x80000000)
+  ; CHECK:   liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr5, $vgpr6, $vgpr7
+  ; CHECK:   [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+  ; CHECK:   [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+  ; CHECK:   [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr2
+  ; CHECK:   [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr3
+  ; CHECK:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr4
+  ; CHECK:   [[COPY5:%[0-9]+]]:vgpr(s32) = COPY $vgpr5
+  ; CHECK:   [[COPY6:%[0-9]+]]:vgpr(s32) = COPY $vgpr6
+  ; CHECK:   [[COPY7:%[0-9]+]]:vgpr_32(s32) = COPY $vgpr7
+  ; CHECK:   [[BUILD_VECTOR:%[0-9]+]]:vgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)
+  ; CHECK:   [[DEF:%[0-9]+]]:sreg_64_xexec = IMPLICIT_DEF
+  ; CHECK:   [[UV:%[0-9]+]]:vreg_64(s64), [[UV1:%[0-9]+]]:vreg_64(s64) = G_UNMERGE_VALUES [[BUILD_VECTOR]](<4 x s32>)
+  ; 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:   [[PHI:%[0-9]+]]:sreg_64 = PHI [[DEF]], %bb.1, %14, %bb.2
+  ; CHECK:   [[V_READFIRSTLANE_B32_:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV]].sub0(s64), implicit $exec
+  ; CHECK:   [[V_READFIRSTLANE_B32_1:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV]].sub1(s64), implicit $exec
+  ; CHECK:   [[MV:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32)
+  ; CHECK:   [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV]](s64), [[UV]](s64), implicit $exec
+  ; CHECK:   [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub0(s64), implicit $exec
+  ; CHECK:   [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub1(s64), implicit $exec
+  ; CHECK:   [[MV1:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32)
+  ; CHECK:   [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV1]](s64), [[UV1]](s64), 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:   [[BUILD_VECTOR1:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32), [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32)
+  ; CHECK:   [[V_READFIRSTLANE_B32_4:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[COPY7]](s32), implicit $exec
+  ; CHECK:   [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_64 = V_CMP_EQ_U32_e64 [[V_READFIRSTLANE_B32_4]](s32), [[COPY7]](s32), 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:   G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.struct.buffer.store), [[COPY4]](s32), [[BUILD_VECTOR1]](<4 x s32>), [[COPY5]](s32), [[COPY6]](s32), [[V_READFIRSTLANE_B32_4]](s32), 0 :: (dereferenceable store 4 into custom TargetCustom7, align 1, addrspace 4)
+  ; CHECK:   [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64 = 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:   S_ENDPGM 0
+  call void @llvm.amdgcn.struct.buffer.store.f32(float %val, <4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0)
+  ret void
+}
+
+declare void @llvm.amdgcn.struct.buffer.store.f32(float, <4 x i32>, i32, i32, i32, i32 immarg)