[opaque pointer type] Store the value type of an alloca

llvm-svn: 236175

1 files changed, 6 insertions, 8 deletions

diff --git a/llvm/lib/IR/Instructions.cpp b/llvm/lib/IR/Instructions.cpp
index aa878ea436e..e46db2c4850 100644
--- a/llvm/lib/IR/Instructions.cpp
+++ b/llvm/lib/IR/Instructions.cpp
@@ -864,8 +864,9 @@ AllocaInst::AllocaInst(Type *Ty, Value *ArraySize, const Twine &Name,
 
 AllocaInst::AllocaInst(Type *Ty, Value *ArraySize, unsigned Align,
                        const Twine &Name, Instruction *InsertBefore)
-  : UnaryInstruction(PointerType::getUnqual(Ty), Alloca,
-                     getAISize(Ty->getContext(), ArraySize), InsertBefore) {
+    : UnaryInstruction(PointerType::getUnqual(Ty), Alloca,
+                       getAISize(Ty->getContext(), ArraySize), InsertBefore),
+      AllocatedType(Ty) {
   setAlignment(Align);
   assert(!Ty->isVoidTy() && "Cannot allocate void!");
   setName(Name);
@@ -873,8 +874,9 @@ AllocaInst::AllocaInst(Type *Ty, Value *ArraySize, unsigned Align,
 
 AllocaInst::AllocaInst(Type *Ty, Value *ArraySize, unsigned Align,
                        const Twine &Name, BasicBlock *InsertAtEnd)
-  : UnaryInstruction(PointerType::getUnqual(Ty), Alloca,
-                     getAISize(Ty->getContext(), ArraySize), InsertAtEnd) {
+    : UnaryInstruction(PointerType::getUnqual(Ty), Alloca,
+                       getAISize(Ty->getContext(), ArraySize), InsertAtEnd),
+      AllocatedType(Ty) {
   setAlignment(Align);
   assert(!Ty->isVoidTy() && "Cannot allocate void!");
   setName(Name);
@@ -899,10 +901,6 @@ bool AllocaInst::isArrayAllocation() const {
   return true;
 }
 
-Type *AllocaInst::getAllocatedType() const {
-  return getType()->getElementType();
-}
-
 /// isStaticAlloca - Return true if this alloca is in the entry block of the
 /// function and is a constant size.  If so, the code generator will fold it
 /// into the prolog/epilog code, so it is basically free.