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-rw-r--r--llvm/lib/Transforms/Scalar/LoadCombine.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoadCombine.cpp b/llvm/lib/Transforms/Scalar/LoadCombine.cpp
index 389f1c595aa..61b7804b59b 100644
--- a/llvm/lib/Transforms/Scalar/LoadCombine.cpp
+++ b/llvm/lib/Transforms/Scalar/LoadCombine.cpp
@@ -245,13 +245,17 @@ bool LoadCombine::runOnBasicBlock(BasicBlock &BB) {
bool Combined = false;
unsigned Index = 0;
for (auto &I : BB) {
- if (I.mayThrow() || (I.mayWriteToMemory() && AST.containsUnknown(&I))) {
+ if (I.mayThrow() || AST.containsUnknown(&I)) {
if (combineLoads(LoadMap))
Combined = true;
LoadMap.clear();
AST.clear();
continue;
}
+ if (I.mayWriteToMemory()) {
+ AST.add(&I);
+ continue;
+ }
LoadInst *LI = dyn_cast<LoadInst>(&I);
if (!LI)
continue;
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