Simplify this code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101074 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/VMCore/Constants.cpp b/lib/VMCore/Constants.cpp
index 1553bd51342d23b5048afd590db3287e13c925cf..d969dbb60d30148021887404c30498a9e7fb5654 100644 (file)
--- a/lib/VMCore/Constants.cpp
+++ b/lib/VMCore/Constants.cpp
@@ -1224,20 +1224,20 @@ Constant *ConstantExpr::getCast(unsigned oc, Constant *C, const Type *Ty) {
 
 Constant *ConstantExpr::getZExtOrBitCast(Constant *C, const Type *Ty) {
   if (C->getType()->getScalarSizeInBits() == Ty->getScalarSizeInBits())
-    return getCast(Instruction::BitCast, C, Ty);
-  return getCast(Instruction::ZExt, C, Ty);
+    return getBitCast(C, Ty);
+  return getZExt(C, Ty);
 }
 
 Constant *ConstantExpr::getSExtOrBitCast(Constant *C, const Type *Ty) {
   if (C->getType()->getScalarSizeInBits() == Ty->getScalarSizeInBits())
-    return getCast(Instruction::BitCast, C, Ty);
-  return getCast(Instruction::SExt, C, Ty);
+    return getBitCast(C, Ty);
+  return getSExt(C, Ty);
 }
 
 Constant *ConstantExpr::getTruncOrBitCast(Constant *C, const Type *Ty) {
   if (C->getType()->getScalarSizeInBits() == Ty->getScalarSizeInBits())
-    return getCast(Instruction::BitCast, C, Ty);
-  return getCast(Instruction::Trunc, C, Ty);
+    return getBitCast(C, Ty);
+  return getTrunc(C, Ty);
 }
 
 Constant *ConstantExpr::getPointerCast(Constant *S, const Type *Ty) {
@@ -1245,8 +1245,8 @@ Constant *ConstantExpr::getPointerCast(Constant *S, const Type *Ty) {
   assert((Ty->isIntegerTy() || Ty->isPointerTy()) && "Invalid cast");
 
   if (Ty->isIntegerTy())
-    return getCast(Instruction::PtrToInt, S, Ty);
-  return getCast(Instruction::BitCast, S, Ty);
+    return getPtrToInt(S, Ty);
+  return getBitCast(S, Ty);
 }
 
 Constant *ConstantExpr::getIntegerCast(Constant *C, const Type *Ty, 
@@ -1523,8 +1523,8 @@ Constant* ConstantExpr::getSizeOf(const Type* Ty) {
   Constant *GEPIdx = ConstantInt::get(Type::getInt32Ty(Ty->getContext()), 1);
   Constant *GEP = getGetElementPtr(
                  Constant::getNullValue(PointerType::getUnqual(Ty)), &GEPIdx, 1);
-  return getCast(Instruction::PtrToInt, GEP, 
-                 Type::getInt64Ty(Ty->getContext()));
+  return getPtrToInt(GEP, 
+                     Type::getInt64Ty(Ty->getContext()));
 }
 
 Constant* ConstantExpr::getAlignOf(const Type* Ty) {
@@ -1537,8 +1537,8 @@ Constant* ConstantExpr::getAlignOf(const Type* Ty) {
   Constant *One = ConstantInt::get(Type::getInt32Ty(Ty->getContext()), 1);
   Constant *Indices[2] = { Zero, One };
   Constant *GEP = getGetElementPtr(NullPtr, Indices, 2);
-  return getCast(Instruction::PtrToInt, GEP,
-                 Type::getInt64Ty(Ty->getContext()));
+  return getPtrToInt(GEP,
+                     Type::getInt64Ty(Ty->getContext()));
 }
 
 Constant* ConstantExpr::getOffsetOf(const StructType* STy, unsigned FieldNo) {
@@ -1555,8 +1555,8 @@ Constant* ConstantExpr::getOffsetOf(const Type* Ty, Constant *FieldNo) {
   };
   Constant *GEP = getGetElementPtr(
                 Constant::getNullValue(PointerType::getUnqual(Ty)), GEPIdx, 2);
-  return getCast(Instruction::PtrToInt, GEP,
-                 Type::getInt64Ty(Ty->getContext()));
+  return getPtrToInt(GEP,
+                     Type::getInt64Ty(Ty->getContext()));
 }
 
 Constant *ConstantExpr::getCompare(unsigned short pred,