1 files changed, 28 insertions, 0 deletions
diff --git a/test/CodeGen/MIR/X86/stack-object-invalid-name.mir b/test/CodeGen/MIR/X86/stack-object-invalid-name.mir
new file mode 100644
index 000000000000..e42e1e59f1e7
--- /dev/null
+++ b/test/CodeGen/MIR/X86/stack-object-invalid-name.mir
@@ -0,0 +1,28 @@
+# RUN: not llc -march=x86-64 -start-after branch-folder -stop-after branch-folder -o /dev/null %s 2>&1 | FileCheck %s
+# This test ensures that the MIR parser reports an error when it encounters a
+# stack object with a name that can't be associated with an alloca instruction.
+
+--- |
+
+  define i32 @test(i32 %a) {
+  entry:
+    %b = alloca i32
+    store i32 %a, i32* %b
+    %c = load i32, i32* %b
+    ret i32 %c
+  }
+
+...
+---
+name:            test
+frameInfo:
+  maxAlignment:  4
+stack:
+  # CHECK: [[@LINE+1]]:20: alloca instruction named 'x' isn't defined in the function 'test'
+  - { id: 0, name: x, offset: -12, size: 4, alignment: 4 }
+body: |
+  bb.0.entry:
+    MOV32mr %rsp, 1, _, -4, _, %edi
+    %eax = MOV32rm %rsp, 1, _, -4, _
+    RETQ %eax
+...