diff options
Diffstat (limited to 'vm/compiler')
| -rw-r--r-- | vm/compiler/MethodSSATransformation.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/vm/compiler/MethodSSATransformation.c b/vm/compiler/MethodSSATransformation.c index eaee24ae4..bacf43c3b 100644 --- a/vm/compiler/MethodSSATransformation.c +++ b/vm/compiler/MethodSSATransformation.c @@ -143,11 +143,10 @@ static bool computeDominanceFrontier(CompilationUnit *cUnit, BasicBlock *bb) GrowableList *blockList = &cUnit->blockList; /* Calculate DF_local */ - if (bb->taken && !dvmIsBitSet(bb->taken->dominators, bb->id)) { + if (bb->taken && (bb->taken->iDom != bb)) { dvmSetBit(bb->domFrontier, bb->taken->id); } - if (bb->fallThrough && - !dvmIsBitSet(bb->fallThrough->dominators, bb->id)) { + if (bb->fallThrough && (bb->fallThrough->iDom != bb)) { dvmSetBit(bb->domFrontier, bb->fallThrough->id); } if (bb->successorBlockList.blockListType != kNotUsed) { @@ -159,7 +158,7 @@ static bool computeDominanceFrontier(CompilationUnit *cUnit, BasicBlock *bb) (SuccessorBlockInfo *) dvmGrowableListIteratorNext(&iterator); if (successorBlockInfo == NULL) break; BasicBlock *succBB = successorBlockInfo->block; - if (!dvmIsBitSet(succBB->dominators, bb->id)) { + if (succBB->iDom != bb) { dvmSetBit(bb->domFrontier, succBB->id); } } @@ -180,7 +179,7 @@ static bool computeDominanceFrontier(CompilationUnit *cUnit, BasicBlock *bb) if (dfUpIdx == -1) break; BasicBlock *dfUpBlock = (BasicBlock *) dvmGrowableListGetElement(blockList, dfUpIdx); - if (!dvmIsBitSet(dfUpBlock->dominators, bb->id)) { + if (dfUpBlock->iDom != bb) { dvmSetBit(bb->domFrontier, dfUpBlock->id); } } |