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authorDan Gohman <gohman@apple.com>2010-07-20 16:32:11 +0000
committerDan Gohman <gohman@apple.com>2010-07-20 16:32:11 +0000
commit082d6b653694185d4049c3823eecc2a98c3aef58 (patch)
treed9fc9864e4a5107fe5c858bf0095bf16b16f3afc /lib/Analysis/ScalarEvolutionNormalization.cpp
parentf27ca4255290c111511d01dde54e4b4dc990dfce (diff)
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Minor code cleanups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108848 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/ScalarEvolutionNormalization.cpp')
-rw-r--r--lib/Analysis/ScalarEvolutionNormalization.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Analysis/ScalarEvolutionNormalization.cpp b/lib/Analysis/ScalarEvolutionNormalization.cpp
index 565b6f3507..d9e909c956 100644
--- a/lib/Analysis/ScalarEvolutionNormalization.cpp
+++ b/lib/Analysis/ScalarEvolutionNormalization.cpp
@@ -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;
}