1 ; RUN: opt < %s -loop-unswitch -S < %s 2>&1 | FileCheck %s 2 3 ; This test checks if unswitched condition preserve make.implicit metadata. 4 5 define i32 @test(i1 %cond) { 6 ; CHECK: br i1 %cond, label %..split_crit_edge, label %.loop_exit.split_crit_edge, !make.implicit !0 7 br label %loop_begin 8 9 loop_begin: 10 ; CHECK: br i1 true, label %continue, label %loop_exit, !make.implicit !0 11 br i1 %cond, label %continue, label %loop_exit, !make.implicit !0 12 13 continue: 14 call void @some_func() 15 br label %loop_begin 16 17 loop_exit: 18 ret i32 0 19 } 20 21 declare void @some_func() 22 23 !0 = !{} 24