| ; 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-LABEL: @test( | |
| ; CHECK: br i1 %cond, label %..split_crit_edge, label %.loop_exit.split_crit_edge, !make.implicit !0 | |
| br label %loop_begin | |
| loop_begin: | |
| 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 = !{} |