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-rw-r--r--llvm/lib/Transforms/Scalar/LoopRotation.cpp11
1 files changed, 6 insertions, 5 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopRotation.cpp b/llvm/lib/Transforms/Scalar/LoopRotation.cpp
index aeb5b36b4b8..631c6ff5b0b 100644
--- a/llvm/lib/Transforms/Scalar/LoopRotation.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopRotation.cpp
@@ -158,7 +158,7 @@ static void RewriteUsesOfClonedInstructions(BasicBlock *OrigHeader,
// as necessary.
SSAUpdater SSA;
for (I = OrigHeader->begin(); I != E; ++I) {
- Value *OrigHeaderVal = I;
+ Value *OrigHeaderVal = &*I;
// If there are no uses of the value (e.g. because it returns void), there
// is nothing to rewrite.
@@ -221,7 +221,7 @@ static bool shouldSpeculateInstrs(BasicBlock::iterator Begin,
for (BasicBlock::iterator I = Begin; I != End; ++I) {
- if (!isSafeToSpeculativelyExecute(I))
+ if (!isSafeToSpeculativelyExecute(&*I))
return false;
if (isa<DbgInfoIntrinsic>(I))
@@ -301,14 +301,15 @@ bool LoopRotate::simplifyLoopLatch(Loop *L) {
if (!BI)
return false;
- if (!shouldSpeculateInstrs(Latch->begin(), Jmp, L))
+ if (!shouldSpeculateInstrs(Latch->begin(), Jmp->getIterator(), L))
return false;
DEBUG(dbgs() << "Folding loop latch " << Latch->getName() << " into "
<< LastExit->getName() << "\n");
// Hoist the instructions from Latch into LastExit.
- LastExit->getInstList().splice(BI, Latch->getInstList(), Latch->begin(), Jmp);
+ LastExit->getInstList().splice(BI->getIterator(), Latch->getInstList(),
+ Latch->begin(), Jmp->getIterator());
unsigned FallThruPath = BI->getSuccessor(0) == Latch ? 0 : 1;
BasicBlock *Header = Jmp->getSuccessor(0);
@@ -431,7 +432,7 @@ bool LoopRotate::rotateLoop(Loop *L, bool SimplifiedLatch) {
// possible or create a clone in the OldPreHeader if not.
TerminatorInst *LoopEntryBranch = OrigPreheader->getTerminator();
while (I != E) {
- Instruction *Inst = I++;
+ Instruction *Inst = &*I++;
// If the instruction's operands are invariant and it doesn't read or write
// memory, then it is safe to hoist. Doing this doesn't change the order of
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