Clear CachedFunctionInfo upon Pass::releaseMemory. Because ValueMap will abort

on RAUW of functions, this is a correctness issue instead of a mere memory
usage problem.


No testcase until the new MergeFunctions can land.

llvm-svn: 103653

1 files changed, 3 insertions, 0 deletions

diff --git a/llvm/lib/Transforms/IPO/InlineSimple.cpp b/llvm/lib/Transforms/IPO/InlineSimple.cpp
index 46cf4b2..74b4a1c 100644
--- a/llvm/lib/Transforms/IPO/InlineSimple.cpp
+++ b/llvm/lib/Transforms/IPO/InlineSimple.cpp
@@ -49,6 +49,9 @@ namespace {
       CA.growCachedCostInfo(Caller, Callee);
     }
     virtual bool doInitialization(CallGraph &CG);
+    void releaseMemory() {
+      CA.clear();
+    }
   };
 }