Imported Upstream version 5.18.0.205

Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927

external/llvm/test/CodeGen/MIR/X86/spill-slot-fixed-stack-objects.mir

@@ -0,0 +1,33 @@
+# RUN: llc -march=x86-64 -run-pass none -o - %s | FileCheck %s
+# This test ensures that the MIR parser parses fixed stack objects correctly.
+
+--- |
+
+  define i32 @test(i32 %a) #0 {
+  entry:
+    %b = alloca i32
+    store i32 %a, i32* %b
+    %c = load i32, i32* %b
+    ret i32 %c
+  }
+
+  attributes #0 = { "no-frame-pointer-elim"="false" }
+
+...
+---
+name:            test
+frameInfo:
+  maxAlignment:    4
+# CHECK: fixedStack:
+# CHECK-NEXT: - { id: 0, type: spill-slot, offset: 0, size: 4, alignment: 4, stack-id: 0,
+# CHECK-NEXT: callee-saved-register: '', callee-saved-restored: true }
+fixedStack:
+  - { id: 0, type: spill-slot, offset: 0, size: 4, alignment: 4 }
+stack:
+  - { id: 0, offset: -12, size: 4, alignment: 4 }
+body: |
+  bb.0.entry:
+    MOV32mr %rsp, 1, _, -4, _, %edi
+    %eax = COPY %edi
+    RETQ %eax
+...