1 files changed, 51 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/i1-copies-rpo.mir b/llvm/test/CodeGen/AMDGPU/i1-copies-rpo.mir
new file mode 100644
index 00000000000..4a858c0d744
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/i1-copies-rpo.mir
@@ -0,0 +1,51 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs  -run-pass=si-i1-copies -o - %s | FileCheck %s
+
+# The strange block ordering visits the use before the def.
+---
+name: inserted_cmp_operand_class_rpo
+tracksRegLiveness: true
+machineFunctionInfo:
+  isEntryFunction: true
+body:             |
+  ; CHECK-LABEL: name: inserted_cmp_operand_class_rpo
+  ; CHECK: bb.0:
+  ; CHECK:   successors: %bb.3(0x80000000)
+  ; CHECK:   S_BRANCH %bb.3
+  ; CHECK: bb.1:
+  ; CHECK:   successors: %bb.2(0x80000000)
+  ; CHECK:   [[COPY:%[0-9]+]]:sreg_64 = COPY %1
+  ; CHECK: bb.2:
+  ; CHECK:   [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
+  ; CHECK:   [[COPY1:%[0-9]+]]:sreg_64_xexec = COPY [[COPY]]
+  ; CHECK:   S_ENDPGM 0
+  ; CHECK: bb.3:
+  ; CHECK:   successors: %bb.1(0x80000000)
+  ; CHECK:   [[V_MOV_B32_e32_1:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
+  ; CHECK:   [[S_MOV_B32_:%[0-9]+]]:sreg_32_xm0 = S_MOV_B32 0
+  ; CHECK:   [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_64 = V_CMP_EQ_U32_e64 killed [[V_MOV_B32_e32_1]], killed [[S_MOV_B32_]], implicit $exec
+  ; CHECK:   [[COPY2:%[0-9]+]]:sreg_64 = COPY [[V_CMP_EQ_U32_e64_]]
+  ; CHECK:   S_BRANCH %bb.1
+  bb.0:
+    successors: %bb.3
+
+    S_BRANCH %bb.3
+
+  bb.1:
+    successors: %bb.2
+
+    %0:vreg_1 = COPY %1
+
+  bb.2:
+    %2:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
+    %3:sreg_64_xexec = COPY %0
+    S_ENDPGM 0
+
+  bb.3:
+    successors: %bb.1
+
+    %4:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
+    %5:sreg_32_xm0 = S_MOV_B32 0
+    %6:sreg_64 = V_CMP_EQ_U32_e64 killed %4, killed %5, implicit $exec
+    %1:vreg_1 = COPY %6
+    S_BRANCH %bb.1