Make sure the alignment of the temporary created

in CreateStackStoreLoad is good enough for both
the source and destination types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53404 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands 2008-07-10 15:26:17 +00:00
parent f4e4629ee8
commit c5ffb45934

View File

@ -16,6 +16,7 @@
#include "LegalizeTypes.h"
#include "llvm/CallingConv.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Target/TargetData.h"
using namespace llvm;
#ifndef NDEBUG
@ -547,8 +548,11 @@ SDOperand DAGTypeLegalizer::BitConvertToInteger(SDOperand Op) {
SDOperand DAGTypeLegalizer::CreateStackStoreLoad(SDOperand Op,
MVT DestVT) {
// Create the stack frame object.
SDOperand FIPtr = DAG.CreateStackTemporary(DestVT);
// Create the stack frame object. Make sure it is aligned for both
// the source and destination types.
unsigned SrcAlign =
TLI.getTargetData()->getPrefTypeAlignment(Op.getValueType().getTypeForMVT());
SDOperand FIPtr = DAG.CreateStackTemporary(DestVT, SrcAlign);
// Emit a store to the stack slot.
SDOperand Store = DAG.getStore(DAG.getEntryNode(), Op, FIPtr, NULL, 0);