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First pass at removing redundant COPYs

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caheckman 2019-04-25 15:05:03 -04:00
parent 5fa4e7a225
commit 9f6dd7edfe
6 changed files with 165 additions and 7 deletions
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15
Ghidra/Features/Decompiler/src/decompile/cpp/block.cc
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@ -354,6 +354,21 @@ int4 FlowBlock::calcDepth(const FlowBlock *leaf) const
return depth;
}
/// Return \b true if \b this block \e dominates the given block (or is equal to it).
/// This assumes that block indices have been set with a reverse post order so that having a
/// smaller index is a necessary condition for dominance.
/// \param subBlock is the given block to test against \b this for dominance
/// \return \b true if \b this dominates
bool FlowBlock::dominates(const FlowBlock *subBlock) const
{
while(subBlock != (const FlowBlock *)0 && index <= subBlock->index) {
if (subBlock == this) return true;
subBlock = subBlock->getImmedDom();
}
return false;
}
/// \return \b true if \b this is the top of a loop
bool FlowBlock::hasLoopIn(void) const