Identify Analysis pass.
Do not run analysis pass again if analysis info is still available.
This fixes PR1441.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48476 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/InstCount.cpp b/lib/Analysis/InstCount.cpp
index 78c4a37..08a27a6 100644
--- a/lib/Analysis/InstCount.cpp
+++ b/lib/Analysis/InstCount.cpp
@@ -51,6 +51,10 @@
abort();
}
public:
+
+ /// isAnalysis - Return true if this pass is implementing an analysis pass.
+ virtual bool isAnalysis() const { return true; }
+
static char ID; // Pass identification, replacement for typeid
InstCount() : FunctionPass((intptr_t)&ID) {}