Index: lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
===================================================================
--- lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
+++ lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
@@ -1580,6 +1580,8 @@
     case Intrinsic::amdgcn_sdot8:
     case Intrinsic::amdgcn_udot8:
     case Intrinsic::amdgcn_fdiv_fast:
+    case Intrinsic::amdgcn_wwm:
+    case Intrinsic::amdgcn_wqm:
       return getDefaultMappingVOP(MI);
     case Intrinsic::amdgcn_ds_permute:
     case Intrinsic::amdgcn_ds_bpermute:
Index: test/CodeGen/AMDGPU/GlobalISel/regbankselect-amdgcn.wqm.mir
===================================================================
--- /dev/null
+++ test/CodeGen/AMDGPU/GlobalISel/regbankselect-amdgcn.wqm.mir
@@ -0,0 +1,31 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect -regbankselect-fast -verify-machineinstrs -o - %s | FileCheck %s
+# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect -regbankselect-greedy -verify-machineinstrs -o - %s | FileCheck %s
+
+---
+name: wqm_s
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0
+    ; CHECK-LABEL: name: wqm_s
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.wqm), [[COPY]](s32)
+    %0:_(s32) = COPY $sgpr0
+    %1:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.wqm), %0
+...
+
+---
+name: wqm_v
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0
+    ; CHECK-LABEL: name: wqm_v
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.wqm), [[COPY]](s32)
+    %0:_(s32) = COPY $vgpr0
+    %1:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.wqm), %0
+...
Index: test/CodeGen/AMDGPU/GlobalISel/regbankselect-amdgcn.wwm.mir
===================================================================
--- /dev/null
+++ test/CodeGen/AMDGPU/GlobalISel/regbankselect-amdgcn.wwm.mir
@@ -0,0 +1,31 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect -regbankselect-fast -verify-machineinstrs -o - %s | FileCheck %s
+# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect -regbankselect-greedy -verify-machineinstrs -o - %s | FileCheck %s
+
+---
+name: wwm_s
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0
+    ; CHECK-LABEL: name: wwm_s
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.wwm), [[COPY]](s32)
+    %0:_(s32) = COPY $sgpr0
+    %1:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.wwm), %0
+...
+
+---
+name: wwm_v
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0
+    ; CHECK-LABEL: name: wwm_v
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.wwm), [[COPY]](s32)
+    %0:_(s32) = COPY $vgpr0
+    %1:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.wwm), %0
+...