LSR needs to remember inserted instructions even in postinc mode, because
there could be multiple subexpressions within a single expansion which
require insert point adjustment. This fixes PR7306.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105510 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/ScalarEvolutionExpander.cpp b/lib/Analysis/ScalarEvolutionExpander.cpp
index 0012b84..4f49bf1 100644
--- a/lib/Analysis/ScalarEvolutionExpander.cpp
+++ b/lib/Analysis/ScalarEvolutionExpander.cpp
@@ -1312,7 +1312,9 @@
}
void SCEVExpander::rememberInstruction(Value *I) {
- if (PostIncLoops.empty())
+ if (!PostIncLoops.empty())
+ InsertedPostIncValues.insert(I);
+ else
InsertedValues.insert(I);
// If we just claimed an existing instruction and that instruction had