1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -o - -structurizecfg < %s | FileCheck %s 3 4define void @test1() { 5; CHECK-LABEL: @test1( 6; CHECK-NEXT: entry: 7; CHECK-NEXT: br label [[LOOP:%.*]] 8; CHECK: Flow: 9; CHECK-NEXT: br label [[FLOW1:%.*]] 10; CHECK: loop: 11; CHECK-NEXT: [[CTR:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[CTR_NEXT:%.*]], [[FLOW1]] ] 12; CHECK-NEXT: [[CTR_NEXT]] = add i32 [[CTR]], 1 13; CHECK-NEXT: br i1 undef, label [[LOOP_A:%.*]], label [[FLOW1]] 14; CHECK: loop.a: 15; CHECK-NEXT: br i1 undef, label [[LOOP_B:%.*]], label [[FLOW:%.*]] 16; CHECK: loop.b: 17; CHECK-NEXT: br label [[FLOW]] 18; CHECK: Flow1: 19; CHECK-NEXT: [[TMP0:%.*]] = phi i1 [ false, [[FLOW]] ], [ true, [[LOOP]] ] 20; CHECK-NEXT: br i1 [[TMP0]], label [[EXIT:%.*]], label [[LOOP]] 21; CHECK: exit: 22; CHECK-NEXT: ret void 23; 24entry: 25 br label %loop 26 27loop: 28 %ctr = phi i32 [ 0, %entry ], [ %ctr.next, %loop.a ], [ %ctr.next, %loop.b ] 29 %ctr.next = add i32 %ctr, 1 30 br i1 undef, label %exit, label %loop.a 31 32loop.a: 33 br i1 undef, label %loop, label %loop.b 34 35loop.b: 36 br label %loop 37 38exit: 39 ret void 40} 41