1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -loop-sink -break-crit-edges -branch-prob -S -enable-new-pm=0 | FileCheck %s 3; RUN: opt < %s -loop-sink -break-crit-edges -lazy-block-freq -S -enable-new-pm=0 | FileCheck %s 4; RUN: opt < %s -loop-sink -break-crit-edges -lazy-branch-prob -S -enable-new-pm=0 | FileCheck %s 5 6; BreakCriticalEdges tries to update LI and DT if they are present. However, 7; updating LI actually needs a DT, so we now require DT in 8; BranchProbabilityInfo/LazyBlockFrequencyInfo/LazyBranchProbabilityInfo so it 9; is indeed available when LI is. 10 11target triple = "x86_64-unknown-linux-gnu" 12 13define void @f1() { 14; CHECK-LABEL: @f1( 15; CHECK-NEXT: entry: 16; CHECK-NEXT: br label [[FOR_COND:%.*]] 17; CHECK: for.cond: 18; CHECK-NEXT: br i1 false, label [[FOR_BODY:%.*]], label [[FOR_COND_FOR_END_CRIT_EDGE:%.*]] 19; CHECK: for.cond.for.end_crit_edge: 20; CHECK-NEXT: br label [[FOR_END:%.*]] 21; CHECK: for.body: 22; CHECK-NEXT: br i1 true, label [[FOR_ENDSPLIT:%.*]], label [[FOR_INC:%.*]] 23; CHECK: for.inc: 24; CHECK-NEXT: br label [[FOR_COND]] 25; CHECK: for.endsplit: 26; CHECK-NEXT: br label [[FOR_END]] 27; CHECK: for.end: 28; CHECK-NEXT: ret void 29; 30entry: 31 br label %for.cond 32 33for.cond: ; preds = %for.inc, %entry 34 br i1 undef, label %for.body, label %for.end 35 36for.body: ; preds = %for.cond 37 br i1 undef, label %for.end, label %for.inc 38 39for.inc: ; preds = %for.body 40 br label %for.cond 41 42for.end: ; preds = %for.body, %for.cond 43 ret void 44} 45