Implement a convenience method to construct a ConstantInt directly from an

APInt. The implied type is the integer type that corresponds to the bit
width of the APInt.

llvm-svn: 34757

2 files changed, 8 insertions, 0 deletions

diff --git a/llvm/include/llvm/Constants.h b/llvm/include/llvm/Constants.h
index 6ae7a528710..dd8343d6b38 100644
--- a/llvm/include/llvm/Constants.h
+++ b/llvm/include/llvm/Constants.h
@@ -97,6 +97,10 @@ public:
   static ConstantInt *get(const Type *Ty, int64_t V);
   static ConstantInt *get(const Type *Ty, const APInt& V);
 
+  /// Return a ConstantInt with the specified value and an implied Type. The
+  /// type is the integer type that corresponds to the bit width of the value.
+  static ConstantInt *get(const APInt &V);
+
   /// getType - Specialize the getType() method to always return an IntegerType,
   /// which reduces the amount of casting needed in parts of the compiler.
   ///
diff --git a/llvm/lib/VMCore/Constants.cpp b/llvm/lib/VMCore/Constants.cpp
index 37e0abec988..29f096364f4 100644
--- a/llvm/lib/VMCore/Constants.cpp
+++ b/llvm/lib/VMCore/Constants.cpp
@@ -216,6 +216,10 @@ ConstantInt *ConstantInt::get(const Type *Ty, const APInt& V) {
   return Slot = new ConstantInt(ITy, V);
 }
 
+ConstantInt *ConstantInt::get(const APInt &V) {
+  return ConstantInt::get(IntegerType::get(V.getBitWidth()), V);
+}
+
 //===----------------------------------------------------------------------===//
 //                                ConstantFP
 //===----------------------------------------------------------------------===//