From a15854c9febcb60eb107048640b04abff8cc47e5 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 31 Aug 2003 00:45:13 +0000
Subject: [PATCH] ScalarRepl does not modify the CFG.  Say so!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8243 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/Scalar/ScalarReplAggregates.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/Transforms/Scalar/ScalarReplAggregates.cpp b/lib/Transforms/Scalar/ScalarReplAggregates.cpp
index e59a6e58ef0..864f8764aa5 100644
--- a/lib/Transforms/Scalar/ScalarReplAggregates.cpp
+++ b/lib/Transforms/Scalar/ScalarReplAggregates.cpp
@@ -23,6 +23,12 @@ namespace {
   struct SROA : public FunctionPass {
     bool runOnFunction(Function &F);
 
+    // getAnalysisUsage - This pass does not require any passes, but we know it
+    // will not alter the CFG, so say so.
+    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      AU.setPreservesCFG();
+    }
+
   private:
     bool isSafeElementUse(Value *Ptr);
     bool isSafeUseOfAllocation(Instruction *User);
-- 
2.34.1