[llvm-commits] [llvm] r120382 - in /llvm/trunk: include/llvm/IntrinsicInst.h lib/Transforms/Utils/Local.cpp

[Chris Lattner]

Author: lattner
Date: Mon Nov 29 20:03:47 2010
New Revision: 120382

URL: http://llvm.org/viewvc/llvm-project?rev=120382&view=rev
Log:
remove the pointless check of MemoryUseIntrinsic from
is trivially dead, since these have side effects.  This makes the
(misnamed) MemoryUseIntrinsic class dead, so remove it.

Modified:
    llvm/trunk/include/llvm/IntrinsicInst.h
    llvm/trunk/lib/Transforms/Utils/Local.cpp

Modified: llvm/trunk/include/llvm/IntrinsicInst.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IntrinsicInst.h?rev=120382&r1=120381&r2=120382&view=diff
==============================================================================
--- llvm/trunk/include/llvm/IntrinsicInst.h (original)
+++ llvm/trunk/include/llvm/IntrinsicInst.h Mon Nov 29 20:03:47 2010
@@ -55,7 +55,7 @@
       return isa<CallInst>(V) && classof(cast<CallInst>(V));
     }
   };
-
+  
   /// DbgInfoIntrinsic - This is the common base class for debug info intrinsics
   ///
   class DbgInfoIntrinsic : public IntrinsicInst {
@@ -297,29 +297,6 @@
     }
   };
 
-  /// MemoryUseIntrinsic - This is the common base class for the memory use
-  /// marker intrinsics.
-  ///
-  class MemoryUseIntrinsic : public IntrinsicInst {
-  public:
-
-    // Methods for support type inquiry through isa, cast, and dyn_cast:
-    static inline bool classof(const MemoryUseIntrinsic *) { return true; }
-    static inline bool classof(const IntrinsicInst *I) {
-      switch (I->getIntrinsicID()) {
-      case Intrinsic::lifetime_start:
-      case Intrinsic::lifetime_end:
-      case Intrinsic::invariant_start:
-      case Intrinsic::invariant_end:
-        return true;
-      default: return false;
-      }
-    }
-    static inline bool classof(const Value *V) {
-      return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
-    }
-  };
-
 }
 
 #endif

Modified: llvm/trunk/lib/Transforms/Utils/Local.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/Local.cpp?rev=120382&r1=120381&r2=120382&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Utils/Local.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/Local.cpp Mon Nov 29 20:03:47 2010
@@ -209,9 +209,6 @@
   // We don't want debug info removed by anything this general.
   if (isa<DbgInfoIntrinsic>(I)) return false;
 
-  // Likewise for memory use markers.
-  if (isa<MemoryUseIntrinsic>(I)) return false;
-
   if (!I->mayHaveSideEffects()) return true;
 
   // Special case intrinsics that "may have side effects" but can be deleted