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author | 2017-09-12 14:42:29 -0700 | |
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committer | 2017-09-12 17:20:04 -0700 | |
commit | 73b326ea1c1a58a5017f33286e511e1aa020de1c (patch) | |
tree | b8bb8bc74508f619b7746c0167ae3572a6da2c2f | |
parent | 6b411fc9fd94da3c552d8b96cee14f6414e7b734 (diff) |
Add a DCHECK for BCE.
A MonotonicValueRange should only be assigned for a loop header phi.
Test: host run-test.
Change-Id: Idd990670f5449c6b6b9c4a162522e960c34902de
-rw-r--r-- | compiler/optimizing/bounds_check_elimination.cc | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/optimizing/bounds_check_elimination.cc b/compiler/optimizing/bounds_check_elimination.cc index 6b832da2bb..a170734ff2 100644 --- a/compiler/optimizing/bounds_check_elimination.cc +++ b/compiler/optimizing/bounds_check_elimination.cc @@ -596,6 +596,7 @@ class BCEVisitor : public HGraphVisitor { // Helper method to assign a new range to an instruction in given basic block. void AssignRange(HBasicBlock* basic_block, HInstruction* instruction, ValueRange* range) { + DCHECK(!range->IsMonotonicValueRange() || instruction->IsLoopHeaderPhi()); GetValueRangeMap(basic_block)->Overwrite(instruction->GetId(), range); } |