Add some constantness to BranchProbabilityInfo and BlockFrequnencyInfo.

[oota-llvm.git] / include / llvm / Function.h

diff --git a/include/llvm/Function.h b/include/llvm/Function.h
index 4386249f5f2d33e39e2946cdd961125d18838db0..b5916b7572b5366f6a66762fef2a36f319781a5a 100644 (file)
--- a/include/llvm/Function.h
+++ b/include/llvm/Function.h
@@ -425,6 +425,16 @@ public:
   ///
   bool hasAddressTaken(const User** = 0) const;
 
+  /// isDefTriviallyDead - Return true if it is trivially safe to remove
+  /// this function definition from the module (because it isn't externally
+  /// visible, does not have its address taken, and has no callers).  To make
+  /// this more accurate, call removeDeadConstantUsers first.
+  bool isDefTriviallyDead() const;
+
+  /// callsFunctionThatReturnsTwice - Return true if the function has a call to
+  /// setjmp or other function that gcc recognizes as "returning twice".
+  bool callsFunctionThatReturnsTwice() const;
+
 private:
   // Shadow Value::setValueSubclassData with a private forwarding method so that
   // subclasses cannot accidentally use it.