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- Rename isLegalMemOpType to isSafeMemOpType. "Legal" is a very overloade term.

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Also added more comments to explain why it is generally ok to return true.
- Rename getOptimalMemOpType argument IsZeroVal to ZeroOrLdSrc. It's meant to
be true for loaded source (memcpy) or zero constants (memset). The poor name
choice is probably some kind of legacy issue.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169954 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2012-12-12 01:32:07 +00:00
parent 6c645a35cc
commit 7d34267df6
10 changed files with 34 additions and 43 deletions
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2
lib/Target/Mips/MipsISelLowering.cpp
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@@ -3476,7 +3476,7 @@ MipsTargetLowering::isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const {
}
EVT MipsTargetLowering::getOptimalMemOpType(uint64_t Size, unsigned DstAlign,
unsigned SrcAlign, bool IsZeroVal,
unsigned SrcAlign, bool ZeroOrLdSrc,
bool MemcpyStrSrc,
MachineFunction &MF) const {
if (Subtarget->hasMips64())