1 ; RUN: opt < %s -simple-loop-unswitch -S | FileCheck %s 2 3 ; This test checks if unswitched condition preserve make.implicit metadata. 4 define i32 @test(i1 %cond) { 5 ; CHECK-LABEL: @test( 6 entry: 7 br label %loop_begin 8 ; CHECK-NEXT: entry: 9 ; CHECK-NEXT: br i1 %{{.*}}, label %entry.split, label %loop_exit, !make.implicit !0 10 ; 11 ; CHECK: entry.split: 12 ; CHECK-NEXT: br label %loop_begin 13 14 loop_begin: 15 br i1 %cond, label %continue, label %loop_exit, !make.implicit !0 16 ; CHECK: loop_begin: 17 ; CHECK-NEXT: br label %continue 18 19 continue: 20 call void @some_func() 21 br label %loop_begin 22 ; CHECK: continue: 23 ; CHECK-NEXT: call 24 ; CHECK-NEXT: br label %loop_begin 25 26 loop_exit: 27 ret i32 0 28 ; CHECK: loop_exit: 29 ; CHECK-NEXT: ret 30 } 31 32 declare void @some_func() 33 34 !0 = !{} 35
