Ignore debug intrinsics in yet more places.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99580 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
index b7622ab..625a75d 100644
--- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -2827,6 +2827,7 @@
IP = Tentative;
}
while (isa<PHINode>(IP)) ++IP;
+ while (isa<DbgInfoIntrinsic>(IP)) ++IP;
// Inform the Rewriter if we have a post-increment use, so that it can
// perform an advantageous expansion.
@@ -2864,8 +2865,10 @@
// so that it is dominated by its operand. If the original insert point
// was already dominated by the increment, keep it, because there may
// be loop-variant operands that need to be respected also.
- if (L->contains(LF.UserInst) && !DT.dominates(IVIncInsertPos, IP))
+ if (L->contains(LF.UserInst) && !DT.dominates(IVIncInsertPos, IP)) {
IP = IVIncInsertPos;
+ while (isa<DbgInfoIntrinsic>(IP)) ++IP;
+ }
break;
}
Start = AR->getStart();