--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/llvm/test/CodeGen/AMDGPU/sdwa-stack.mir	Tue Jun 08 06:07:14 2021 +0900
@@ -0,0 +1,32 @@
+# RUN: llc -march=amdgcn -mcpu=gfx1010 -run-pass=si-peephole-sdwa -verify-machineinstrs -o - %s | FileCheck -check-prefix=GCN %s
+
+# Do not fold stack objects into SDWA.
+
+---
+# GCN-LABEL: name: sdwa_stack_object_src0
+# GCN: V_ADD_U32_e64 %stack.0, killed %1
+name: sdwa_stack_object_src0
+stack:
+  - { id: 0, type: default, offset: 0, size: 32, alignment: 4, stack-id: default }
+body:             |
+  bb.0:
+    %0:vgpr_32 = IMPLICIT_DEF
+    %1:vgpr_32 = V_AND_B32_e32 255, %0, implicit $exec
+    %2:vgpr_32 = V_ADD_U32_e64 %stack.0, killed %1, 0, implicit $exec
+    S_ENDPGM 0, implicit %2
+
+...
+---
+name: sdwa_stack_object_src1
+# GCN-LABEL: name: sdwa_stack_object_src1
+# GCN: V_ADD_U32_e64 killed %1, %stack.0
+stack:
+  - { id: 0, type: default, offset: 0, size: 32, alignment: 4, stack-id: default }
+body:             |
+  bb.0:
+    %0:vgpr_32 = IMPLICIT_DEF
+    %1:vgpr_32 = V_AND_B32_e32 255, %0, implicit $exec
+    %2:vgpr_32 = V_ADD_U32_e64 killed %1, %stack.0, 0, implicit $exec
+    S_ENDPGM 0, implicit %2
+
+...