[llvm-commits] [llvm] r56757 - /llvm/trunk/include/llvm/Support/IRBuilder.h

[Daniel Dunbar]

Author: ddunbar
Date: Sat Sep 27 18:22:55 2008
New Revision: 56757

URL: http://llvm.org/viewvc/llvm-project?rev=56757&view=rev
Log:
Add IRBuilder::{CreateIsNull, CreateIsNonNull} helper methods.
 - I'm open to the idea that these could have better names. I think
   these read better than CreateEQNull and CreateNENull.

Modified:
    llvm/trunk/include/llvm/Support/IRBuilder.h

Modified: llvm/trunk/include/llvm/Support/IRBuilder.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/IRBuilder.h?rev=56757&r1=56756&r2=56757&view=diff

==============================================================================
--- llvm/trunk/include/llvm/Support/IRBuilder.h (original)
+++ llvm/trunk/include/llvm/Support/IRBuilder.h Sat Sep 27 18:22:55 2008
@@ -630,6 +630,23 @@
                                             IdxBegin, IdxEnd - IdxBegin);
     return Insert(InsertValueInst::Create(Agg, Val, IdxBegin, IdxEnd), Name);
   }
+
+  //===--------------------------------------------------------------------===//
+  // Utility creation methods
+  //===--------------------------------------------------------------------===//
+
+  /// CreateIsNull - Return an i1 value testing if \arg Arg is null.
+  Value *CreateIsNull(Value *Arg, const char *Name = "") {
+    return CreateICmpEQ(Arg, llvm::Constant::getNullValue(Arg->getType()), 
+                        Name);
+  }
+
+  /// CreateIsNonNull - Return an i1 value testing if \arg Arg is not null.
+  Value *CreateIsNonNull(Value *Arg, const char *Name = "") {
+    return CreateICmpNE(Arg, llvm::Constant::getNullValue(Arg->getType()), 
+                        Name);
+  }
+  
 };
 
 }