Fix a few more places where TargetData/TargetLibraryInfo is not being passed.
Add FIXMEs to places that are non-trivial to fix.

llvm-svn: 145661
diff --git a/llvm/lib/Transforms/InstCombine/InstCombine.h b/llvm/lib/Transforms/InstCombine/InstCombine.h
index c4c7932..464e9d0 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombine.h
+++ b/llvm/lib/Transforms/InstCombine/InstCombine.h
@@ -97,6 +97,8 @@
 
   TargetData *getTargetData() const { return TD; }
 
+  TargetLibraryInfo *getTargetLibraryInfo() const { return TLI; }
+
   // Visitation implementation - Implement instruction combining for different
   // instruction types.  The semantics are as follows:
   // Return Value: