Add Loop contains utility methods for testing whether a loop
contains another loop, or an instruction. The loop form is
substantially more efficient on large loops than the typical
code it replaces.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91654 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/LoopIndexSplit.cpp b/lib/Transforms/Scalar/LoopIndexSplit.cpp
index 8b6a233..1d9dd68 100644
--- a/lib/Transforms/Scalar/LoopIndexSplit.cpp
+++ b/lib/Transforms/Scalar/LoopIndexSplit.cpp
@@ -288,7 +288,7 @@
// isUsedOutsideLoop - Returns true iff V is used outside the loop L.
static bool isUsedOutsideLoop(Value *V, Loop *L) {
for(Value::use_iterator UI = V->use_begin(), E = V->use_end(); UI != E; ++UI)
- if (!L->contains(cast<Instruction>(*UI)->getParent()))
+ if (!L->contains(cast<Instruction>(*UI)))
return true;
return false;
}
@@ -842,7 +842,7 @@
for (Value::use_iterator UI = PHV->use_begin(), E = PHV->use_end();
UI != E; ++UI)
if (PHINode *U = dyn_cast<PHINode>(*UI))
- if (LP->contains(U->getParent())) {
+ if (LP->contains(U)) {
NewV = U;
break;
}