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chagne interface to SelectionDAG::getAtomic to take a MachinePointerInfo,

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eliminating some weird "infer a frame address" logic which was dead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114396 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-09-21 04:53:42 +00:00
parent 0531356e4d
commit 60bddc8bcd
3 changed files with 6 additions and 14 deletions
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4
include/llvm/CodeGen/SelectionDAG.h
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@ -587,8 +587,8 @@ public:
/// getAtomic - Gets a node for an atomic op, produces result and chain and
/// takes 3 operands
SDValue getAtomic(unsigned Opcode, DebugLoc dl, EVT MemVT, SDValue Chain,
SDValue Ptr, SDValue Cmp, SDValue Swp, const Value* PtrVal,
unsigned Alignment=0);
SDValue Ptr, SDValue Cmp, SDValue Swp,
MachinePointerInfo PtrInfo, unsigned Alignment=0);
SDValue getAtomic(unsigned Opcode, DebugLoc dl, EVT MemVT, SDValue Chain,
SDValue Ptr, SDValue Cmp, SDValue Swp,
MachineMemOperand *MMO);

14
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
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@ -3669,19 +3669,12 @@ SDValue SelectionDAG::getMemset(SDValue Chain, DebugLoc dl, SDValue Dst,
}
SDValue SelectionDAG::getAtomic(unsigned Opcode, DebugLoc dl, EVT MemVT,
SDValue Chain,
SDValue Ptr, SDValue Cmp,
SDValue Swp, const Value *PtrVal,
SDValue Chain, SDValue Ptr, SDValue Cmp,
SDValue Swp, MachinePointerInfo PtrInfo,
unsigned Alignment) {
if (Alignment == 0) // Ensure that codegen never sees alignment 0
Alignment = getEVTAlignment(MemVT);
// Check if the memory reference references a frame index
if (!PtrVal)
if (const FrameIndexSDNode *FI =
dyn_cast<const FrameIndexSDNode>(Ptr.getNode()))
PtrVal = PseudoSourceValue::getFixedStack(FI->getIndex());
MachineFunction &MF = getMachineFunction();
unsigned Flags = MachineMemOperand::MOLoad | MachineMemOperand::MOStore;
@ -3689,8 +3682,7 @@ SDValue SelectionDAG::getAtomic(unsigned Opcode, DebugLoc dl, EVT MemVT,
Flags |= MachineMemOperand::MOVolatile;
MachineMemOperand *MMO =
MF.getMachineMemOperand(MachinePointerInfo(PtrVal), Flags,
MemVT.getStoreSize(), Alignment);
MF.getMachineMemOperand(PtrInfo, Flags, MemVT.getStoreSize(), Alignment);
return getAtomic(Opcode, dl, MemVT, Chain, Ptr, Cmp, Swp, MMO);
}

2
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
View File

@ -4550,7 +4550,7 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
getValue(I.getArgOperand(0)),
getValue(I.getArgOperand(1)),
getValue(I.getArgOperand(2)),
I.getArgOperand(0));
MachinePointerInfo(I.getArgOperand(0)));
setValue(&I, L);
DAG.setRoot(L.getValue(1));
return 0;