Thread const correctness through a bunch of AliasAnalysis interfaces and
eliminate several const_casts.

Make CallSite implicitly convertible to ImmutableCallSite.

Rename the getModRefBehavior for intrinsic IDs to
getIntrinsicModRefBehavior to avoid overload ambiguity with CallSite,
which happens to be implicitly convertible to bool.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110155 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/AliasDebugger.cpp b/lib/Analysis/AliasDebugger.cpp
index 79bc99e..8209bb6 100644
--- a/lib/Analysis/AliasDebugger.cpp
+++ b/lib/Analysis/AliasDebugger.cpp
@@ -99,12 +99,14 @@
       return AliasAnalysis::alias(V1, V1Size, V2, V2Size);
     }
 
-    ModRefResult getModRefInfo(CallSite CS, Value *P, unsigned Size) {
+    ModRefResult getModRefInfo(ImmutableCallSite CS,
+                               const Value *P, unsigned Size) {
       assert(Vals.find(P) != Vals.end() && "Never seen value in AA before");
       return AliasAnalysis::getModRefInfo(CS, P, Size);
     }
 
-    ModRefResult getModRefInfo(CallSite CS1, CallSite CS2) {
+    ModRefResult getModRefInfo(ImmutableCallSite CS1,
+                               ImmutableCallSite CS2) {
       return AliasAnalysis::getModRefInfo(CS1,CS2);
     }