Simplify code by using ConstantInt::getRawValue instead of checking to see
whether the constant is signed or unsigned, then casting


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7252 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/TransformInternals.h b/lib/Transforms/TransformInternals.h
index 8cab429..5f87a38 100644
--- a/lib/Transforms/TransformInternals.h
+++ b/lib/Transforms/TransformInternals.h
@@ -16,9 +16,7 @@
 #include <set>
 
 static inline int64_t getConstantValue(const ConstantInt *CPI) {
-  if (const ConstantSInt *CSI = dyn_cast<ConstantSInt>(CPI))
-    return CSI->getValue();
-  return (int64_t)cast<ConstantUInt>(CPI)->getValue();
+  return (int64_t)cast<ConstantInt>(CPI)->getRawValue();
 }