+; RUN: opt < %s -loop-unswitch -S < %s 2>&1 | FileCheck %s
+
+; This test checks if unswitched condition preserve make.implicit metadata.
+
+define i32 @test(i1 %cond) {
+; CHECK: br i1 %cond, label %..split_crit_edge, label %.loop_exit.split_crit_edge, !make.implicit !0
+ br label %loop_begin
+
+loop_begin:
+; CHECK: br i1 true, label %continue, label %loop_exit, !make.implicit !0
+ br i1 %cond, label %continue, label %loop_exit, !make.implicit !0
+
+continue:
+ call void @some_func()
+ br label %loop_begin
+
+loop_exit:
+ ret i32 0
+}
+
+declare void @some_func()
+
+!0 = !{}