1 files changed, 30 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/MIR/X86/fixed-stack-object-redefinition-error.mir b/llvm/test/CodeGen/MIR/X86/fixed-stack-object-redefinition-error.mir
new file mode 100644
index 00000000000..5f88bc428f1
--- /dev/null
+++ b/llvm/test/CodeGen/MIR/X86/fixed-stack-object-redefinition-error.mir
@@ -0,0 +1,30 @@
+# RUN: not llc -march=x86 -start-after branch-folder -stop-after branch-folder -o /dev/null %s 2>&1 | FileCheck %s
+
+--- |
+
+  define i32 @test(i32 %a, i32 %b) #0 {
+  entry:
+    %c = add i32 %a, %b
+    ret i32 %c
+  }
+
+  attributes #0 = { "no-frame-pointer-elim"="false" }
+
+...
+---
+name:            test
+tracksRegLiveness: true
+frameInfo:
+  maxAlignment:    4
+fixedStack:
+  - { id: 0, offset: 4, size: 4, alignment: 4, isImmutable: true, isAliased: false }
+# CHECK: [[@LINE+1]]:11: redefinition of fixed stack object '%fixed-stack.0'
+  - { id: 0, offset: 0, size: 4, alignment: 16, isImmutable: true, isAliased: false }
+body:
+  - id:              0
+    name:            entry
+    instructions:
+      - '%eax = MOV32rm %esp, 1, _, 4, _'
+      - '%eax = ADD32rm killed %eax, %esp, 1, _, 8, _, implicit-def dead %eflags'
+      - 'RETL %eax'
+...