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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134555 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2011-07-06 22:41:18 +00:00
parent 9cbd7afb76
commit 882e1e1c5d
1 changed files with 7 additions and 7 deletions
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14
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
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@ -3326,13 +3326,13 @@ static bool FindOptimalMemOpLowering(std::vector<EVT> &MemOps,
const TargetLowering &TLI) {
assert((SrcAlign == 0 || SrcAlign >= DstAlign) &&
"Expecting memcpy / memset source to meet alignment requirement!");
// If 'SrcAlign' is zero, that means the memory operation does not need load
// the value, i.e. memset or memcpy from constant string. Otherwise, it's
// the inferred alignment of the source. 'DstAlign', on the other hand, is the
// specified alignment of the memory operation. If it is zero, that means
// it's possible to change the alignment of the destination. 'MemcpyStrSrc'
// indicates whether the memcpy source is constant so it does not need to be
// loaded.
// If 'SrcAlign' is zero, that means the memory operation does not need to
// load the value, i.e. memset or memcpy from constant string. Otherwise,
// it's the inferred alignment of the source. 'DstAlign', on the other hand,
// is the specified alignment of the memory operation. If it is zero, that
// means it's possible to change the alignment of the destination.
// 'MemcpyStrSrc' indicates whether the memcpy source is constant so it does
// not need to be loaded.
EVT VT = TLI.getOptimalMemOpType(Size, DstAlign, SrcAlign,
NonScalarIntSafe, MemcpyStrSrc,
DAG.getMachineFunction());