[llvm] r243845 - Mark CompositeType::getTypeAtIndex as const. NFC

[Craig Topper]

Author: ctopper
Date: Sat Aug  1 17:52:12 2015
New Revision: 243845

URL: http://llvm.org/viewvc/llvm-project?rev=243845&view=rev
Log:
Mark CompositeType::getTypeAtIndex as const. NFC

Modified:
    llvm/trunk/include/llvm/IR/DerivedTypes.h
    llvm/trunk/lib/IR/Type.cpp

Modified: llvm/trunk/include/llvm/IR/DerivedTypes.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/DerivedTypes.h?rev=243845&r1=243844&r2=243845&view=diff
==============================================================================
--- llvm/trunk/include/llvm/IR/DerivedTypes.h (original)
+++ llvm/trunk/include/llvm/IR/DerivedTypes.h Sat Aug  1 17:52:12 2015
@@ -153,8 +153,8 @@ public:
   /// getTypeAtIndex - Given an index value into the type, return the type of
   /// the element.
   ///
-  Type *getTypeAtIndex(const Value *V);
-  Type *getTypeAtIndex(unsigned Idx);
+  Type *getTypeAtIndex(const Value *V) const;
+  Type *getTypeAtIndex(unsigned Idx) const;
   bool indexValid(const Value *V) const;
   bool indexValid(unsigned Idx) const;
 

Modified: llvm/trunk/lib/IR/Type.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/Type.cpp?rev=243845&r1=243844&r2=243845&view=diff
==============================================================================
--- llvm/trunk/lib/IR/Type.cpp (original)
+++ llvm/trunk/lib/IR/Type.cpp Sat Aug  1 17:52:12 2015
@@ -620,8 +620,8 @@ StructType *Module::getTypeByName(String
 //                       CompositeType Implementation
 //===----------------------------------------------------------------------===//
 
-Type *CompositeType::getTypeAtIndex(const Value *V) {
-  if (StructType *STy = dyn_cast<StructType>(this)) {
+Type *CompositeType::getTypeAtIndex(const Value *V) const {
+  if (auto *STy = dyn_cast<StructType>(this)) {
     unsigned Idx =
       (unsigned)cast<Constant>(V)->getUniqueInteger().getZExtValue();
     assert(indexValid(Idx) && "Invalid structure index!");
@@ -630,14 +630,16 @@ Type *CompositeType::getTypeAtIndex(cons
 
   return cast<SequentialType>(this)->getElementType();
 }
-Type *CompositeType::getTypeAtIndex(unsigned Idx) {
-  if (StructType *STy = dyn_cast<StructType>(this)) {
+
+Type *CompositeType::getTypeAtIndex(unsigned Idx) const{
+  if (auto *STy = dyn_cast<StructType>(this)) {
     assert(indexValid(Idx) && "Invalid structure index!");
     return STy->getElementType(Idx);
   }
-  
+
   return cast<SequentialType>(this)->getElementType();
 }
+
 bool CompositeType::indexValid(const Value *V) const {
   if (auto *STy = dyn_cast<StructType>(this)) {
     // Structure indexes require (vectors of) 32-bit integer constants.  In the