+# RUN: llc -march=x86-64 -start-after branch-folder -stop-after branch-folder -o /dev/null %s | FileCheck %s
+# This test ensures that the MIR parser parses the 'implicit' and 'implicit-def'
+# register flags correctly.
+
+--- |
+
+ define i32 @foo(i32 %a) {
+ entry:
+ %0 = icmp sle i32 %a, 10
+ br i1 %0, label %less, label %exit
+
+ less:
+ ret i32 0
+
+ exit:
+ ret i32 %a
+ }
+
+...
+---
+name: foo
+body:
+ - id: 0
+ name: entry
+ instructions:
+ # CHECK: - 'CMP32ri8 %edi, 10, implicit-def %eflags'
+ # CHECK-NEXT: - 'JG_1 %bb.2.exit, implicit %eflags'
+ - 'CMP32ri8 %edi, 10, implicit-def %eflags'
+ - 'JG_1 %bb.2.exit, implicit %eflags'
+ - id: 1
+ name: less
+ instructions:
+ # CHECK: - '%eax = MOV32r0 implicit-def %eflags'
+ - '%eax = MOV32r0 implicit-def %eflags'
+ - 'RETQ %eax'
+ - id: 2
+ name: exit
+ instructions:
+ - '%eax = COPY %edi'
+ - 'RETQ %eax'
+...