SCEVExpander: Fix a regression I introduced by to eagerly adding RAII objects.
PR17425.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191741 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/ScalarEvolutionExpander.cpp b/lib/Analysis/ScalarEvolutionExpander.cpp
index 1ab989f..f373a80 100644
--- a/lib/Analysis/ScalarEvolutionExpander.cpp
+++ b/lib/Analysis/ScalarEvolutionExpander.cpp
@@ -569,7 +569,7 @@
}
// Save the original insertion point so we can restore it when we're done.
- BuilderType::InsertPointGuard Guard(Builder);
+ BuilderType::InsertPoint SaveInsertPt = Builder.saveIP();
// Move the insertion point out of as many loops as we can.
while (const Loop *L = SE.LI->getLoopFor(Builder.GetInsertBlock())) {
@@ -604,6 +604,9 @@
Ops.push_back(SE.getUnknown(GEP));
rememberInstruction(GEP);
+ // Restore the original insert point.
+ Builder.restoreIP(SaveInsertPt);
+
return expand(SE.getAddExpr(Ops));
}