MIR Serialization: Serialize the frame index machine operands.
Reviewers: Duncan P. N. Exon Smith
llvm-svn: 242487
diff --git a/llvm/test/CodeGen/MIR/X86/undefined-stack-object.mir b/llvm/test/CodeGen/MIR/X86/undefined-stack-object.mir
new file mode 100644
index 0000000..bec703a
--- /dev/null
+++ b/llvm/test/CodeGen/MIR/X86/undefined-stack-object.mir
@@ -0,0 +1,32 @@
+# RUN: not llc -march=x86-64 -start-after machine-sink -stop-after machine-sink -o /dev/null %s 2>&1 | FileCheck %s
+--- |
+
+ define i32 @test(i32 %a) {
+ entry:
+ %b = alloca i32
+ store i32 %a, i32* %b
+ %c = load i32, i32* %b
+ ret i32 %c
+ }
+
+...
+---
+name: test
+isSSA: true
+tracksRegLiveness: true
+registers:
+ - { id: 0, class: gr32 }
+frameInfo:
+ maxAlignment: 4
+stack:
+ - { id: 0, name: b, size: 4, alignment: 4 }
+body:
+ - id: 0
+ name: entry
+ instructions:
+ - '%0 = COPY %edi'
+ # CHECK: [[@LINE+1]]:18: use of undefined stack object '%stack.2'
+ - 'MOV32mr %stack.2, 1, _, 0, _, %0'
+ - '%eax = COPY %0'
+ - 'RETQ %eax'
+...