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Refactor code to use new attribute getters on CallSite for NoCapture and ByVal.

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Suggested in code review by Eli.

That code in InstCombine looks kinda suspicious.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145013 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky
2011-11-20 19:09:04 +00:00
parent 742e5cf612
commit 173862e546
8 changed files with 19 additions and 12 deletions
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5
lib/Transforms/Scalar/ScalarReplAggregates.cpp
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@@ -2534,13 +2534,12 @@ isOnlyCopiedFromConstantGlobal(Value *V, MemTransferInst *&TheCopy,
// ignore it if we know that the value isn't captured.
unsigned ArgNo = CS.getArgumentNo(UI);
if (CS.onlyReadsMemory() &&
(CS.getInstruction()->use_empty() ||
CS.paramHasAttr(ArgNo+1, Attribute::NoCapture)))
(CS.getInstruction()->use_empty() || CS.doesNotCapture(ArgNo)))
continue;
// If this is being passed as a byval argument, the caller is making a
// copy, so it is only a read of the alloca.
if (CS.paramHasAttr(ArgNo+1, Attribute::ByVal))
if (CS.isByValArgument(ArgNo))
continue;
}