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-rw-r--r--compiler/optimizing/induction_var_analysis.cc8
1 files changed, 5 insertions, 3 deletions
diff --git a/compiler/optimizing/induction_var_analysis.cc b/compiler/optimizing/induction_var_analysis.cc
index 129c2a94b5..c501ccf80f 100644
--- a/compiler/optimizing/induction_var_analysis.cc
+++ b/compiler/optimizing/induction_var_analysis.cc
@@ -714,10 +714,12 @@ void HInductionVarAnalysis::VisitTripCount(HLoopInformation* loop,
case kCondGE: op = kGE; break;
default: LOG(FATAL) << "CONDITION UNREACHABLE";
}
+ // Associate trip count with control instruction, rather than the condition (even
+ // though it's its use) since former provides a convenient use-free placeholder.
+ HInstruction* control = loop->GetHeader()->GetLastInstruction();
InductionInfo* taken_test = CreateInvariantOp(op, lower_expr, upper_expr);
- AssignInfo(loop,
- loop->GetHeader()->GetLastInstruction(),
- CreateTripCount(tcKind, trip_count, taken_test, type));
+ DCHECK(control->IsIf());
+ AssignInfo(loop, control, CreateTripCount(tcKind, trip_count, taken_test, type));
}
bool HInductionVarAnalysis::IsTaken(InductionInfo* lower_expr,