Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/llvm/test/CodeGen/MIR/X86/immediate-operands.mir

@@ -0,0 +1,36 @@
+# RUN: llc -march=x86-64 -run-pass none -o - %s | FileCheck %s
+# This test ensures that the MIR parser parses immediate machine operands.
+
+--- |
+
+  define i32 @foo() {
+  entry:
+    ret i32 42
+  }
+
+  define i32 @bar() {
+  entry:
+    ret i32 -11
+  }
+
+...
+---
+# CHECK: name: foo
+name:            foo
+body: |
+  bb.0.entry:
+    ; CHECK:      %eax = MOV32ri 42
+    ; CHECK-NEXT: RETQ %eax
+    %eax = MOV32ri 42
+    RETQ %eax
+...
+---
+# CHECK: name: bar
+name:            bar
+body: |
+  bb.0.entry:
+    ; CHECK:      %eax = MOV32ri -11
+    ; CHECK-NEXT: RETQ %eax
+    %eax = MOV32ri -11
+    RETQ %eax
+...