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Minor code cleanups.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108848 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2010-07-20 16:32:11 +00:00
parent f27ca42552
commit 082d6b6536
1 changed files with 5 additions and 0 deletions
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5
lib/Analysis/ScalarEvolutionNormalization.cpp
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@ -69,6 +69,7 @@ const SCEV *llvm::TransformForPostIncUse(TransformKind Kind,
DominatorTree &DT) {
if (isa<SCEVConstant>(S) || isa<SCEVUnknown>(S))
return S;
if (const SCEVCastExpr *X = dyn_cast<SCEVCastExpr>(S)) {
const SCEV *O = X->getOperand();
const SCEV *N = TransformForPostIncUse(Kind, O, User, OperandValToReplace,
@ -82,9 +83,11 @@ const SCEV *llvm::TransformForPostIncUse(TransformKind Kind,
}
return S;
}
if (const SCEVNAryExpr *X = dyn_cast<SCEVNAryExpr>(S)) {
SmallVector<const SCEV *, 8> Operands;
bool Changed = false;
// Transform each operand.
for (SCEVNAryExpr::op_iterator I = X->op_begin(), E = X->op_end();
I != E; ++I) {
const SCEV *O = *I;
@ -134,6 +137,7 @@ const SCEV *llvm::TransformForPostIncUse(TransformKind Kind,
}
return S;
}
if (const SCEVUDivExpr *X = dyn_cast<SCEVUDivExpr>(S)) {
const SCEV *LO = X->getLHS();
const SCEV *RO = X->getRHS();
@ -145,6 +149,7 @@ const SCEV *llvm::TransformForPostIncUse(TransformKind Kind,
return SE.getUDivExpr(LN, RN);
return S;
}
llvm_unreachable("Unexpected SCEV kind!");
return 0;
}