RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-12-24 12:36:30 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Mark byval parameter stack objects mutable for now.

Browse Source 
llvm-svn: 45813
This commit is contained in:
Evan Cheng 2008-01-10 02:24:25 +00:00
parent f20828226e
commit 8846740401
1 changed files with 8 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
lib/Target/X86/X86ISelLowering.cpp
View File

@ -1012,16 +1012,17 @@ SDOperand X86TargetLowering::LowerMemArgument(SDOperand Op, SelectionDAG &DAG,
MachineFrameInfo *MFI,
SDOperand Root, unsigned i) {
// Create the nodes corresponding to a load from this parameter slot.
unsigned Flags = cast<ConstantSDNode>(Op.getOperand(3 + i))->getValue();
bool isByVal = Flags & ISD::ParamFlags::ByVal;
// FIXME: For now, all byval parameter objects are marked mutable. This
// can be changed with more analysis.
int FI = MFI->CreateFixedObject(MVT::getSizeInBits(VA.getValVT())/8,
VA.getLocMemOffset());
VA.getLocMemOffset(), !isByVal);
SDOperand FIN = DAG.getFrameIndex(FI, getPointerTy());
unsigned Flags = cast<ConstantSDNode>(Op.getOperand(3 + i))->getValue();
if (Flags & ISD::ParamFlags::ByVal)
if (isByVal)
return FIN;
else
return DAG.getLoad(VA.getValVT(), Root, FIN, NULL, 0);
return DAG.getLoad(VA.getValVT(), Root, FIN, NULL, 0);
}
SDOperand