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Remove use of Instruction::getNext

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36201 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2007-04-17 17:52:45 +00:00
parent a0e1b0e98d
commit 8e8f865227
1 changed files with 11 additions and 8 deletions
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5
lib/Analysis/LoadValueNumbering.cpp
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@@ -336,7 +336,9 @@ void LoadVN::getEqualNumberNodes(Value *V,
// we see any candidate loads, then we know they have the same value # as LI.
//
bool LoadInvalidatedInBBAfter = false;
for (BasicBlock::iterator I = LI->getNext(); I != LoadBB->end(); ++I) {
{
BasicBlock::iterator I = LI;
for (++I; I != LoadBB->end(); ++I) {
// If this instruction is a load, then this instruction returns the same
// value as LI.
if (isa<LoadInst>(I) && cast<LoadInst>(I)->getOperand(0) == LoadPtr)
@@ -347,6 +349,7 @@ void LoadVN::getEqualNumberNodes(Value *V,
break;
}
}
}
// If the pointer is clobbered on entry and on exit to the function, there is
// no need to do any global analysis at all.