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-rw-r--r--lib/Transforms/IPO/AddReadAttrs.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Transforms/IPO/AddReadAttrs.cpp b/lib/Transforms/IPO/AddReadAttrs.cpp
index 4c6158c65e..7af071c40b 100644
--- a/lib/Transforms/IPO/AddReadAttrs.cpp
+++ b/lib/Transforms/IPO/AddReadAttrs.cpp
@@ -35,6 +35,11 @@ namespace {
// runOnSCC - Analyze the SCC, performing the transformation if possible.
bool runOnSCC(const std::vector<CallGraphNode *> &SCC);
+
+ virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ AU.setPreservesCFG();
+ CallGraphSCCPass::getAnalysisUsage(AU);
+ }
};
}