Add support alignment of allocation instructions.

Add support for specifying alignment and size of setjmp jmpbufs.

No targets currently do anything with this information, nor is it presrved
in the bytecode representation.  That's coming up next.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24196 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 6 deletions

diff --git a/lib/VMCore/Instructions.cpp b/lib/VMCore/Instructions.cpp
index 7de5602f08..96a010b2f7 100644
--- a/lib/VMCore/Instructions.cpp
+++ b/lib/VMCore/Instructions.cpp
@@ -494,18 +494,18 @@ static Value *getAISize(Value *Amt) {
 }
 
 AllocationInst::AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy,
-                               const std::string &Name,
+                               unsigned Align, const std::string &Name,
                                Instruction *InsertBefore)
   : UnaryInstruction(PointerType::get(Ty), iTy, getAISize(ArraySize),
-                     Name, InsertBefore) {
+                     Name, InsertBefore), Alignment(Align) {
   assert(Ty != Type::VoidTy && "Cannot allocate void!");
 }
 
 AllocationInst::AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy,
-                               const std::string &Name,
+                               unsigned Align, const std::string &Name,
                                BasicBlock *InsertAtEnd)
   : UnaryInstruction(PointerType::get(Ty), iTy, getAISize(ArraySize),
-                     Name, InsertAtEnd) {
+                     Name, InsertAtEnd), Alignment(Align) {
   assert(Ty != Type::VoidTy && "Cannot allocate void!");
 }
 
@@ -521,12 +521,12 @@ const Type *AllocationInst::getAllocatedType() const {
 
 AllocaInst::AllocaInst(const AllocaInst &AI)
   : AllocationInst(AI.getType()->getElementType(), (Value*)AI.getOperand(0),
-                   Instruction::Alloca) {
+                   Instruction::Alloca, AI.getAlignment()) {
 }
 
 MallocInst::MallocInst(const MallocInst &MI)
   : AllocationInst(MI.getType()->getElementType(), (Value*)MI.getOperand(0),
-                   Instruction::Malloc) {
+                   Instruction::Malloc, MI.getAlignment()) {
 }
 
 //===----------------------------------------------------------------------===//