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[NFC][SelectionDAG] Move function getStackAlignedMMO to the beginning of LegalizeDAG.cpp #82171

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Merged
merged 1 commit into from
Feb 19, 2024
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[NFC][SelectionDAG] Move function getStackAlignedMMO to the beginning of LegalizeDAG.cpp #82171

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26 changes: 13 additions & 13 deletions llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -259,6 +259,19 @@ class SelectionDAGLegalize {

} // end anonymous namespace

// Helper function that generates an MMO that considers the alignment of the
// stack, and the size of the stack object
static MachineMemOperand *getStackAlignedMMO(SDValue StackPtr,
MachineFunction &MF,
bool isObjectScalable) {
auto &MFI = MF.getFrameInfo();
int FI = cast<FrameIndexSDNode>(StackPtr)->getIndex();
MachinePointerInfo PtrInfo = MachinePointerInfo::getFixedStack(MF, FI);
uint64_t ObjectSize = isObjectScalable ? ~UINT64_C(0) : MFI.getObjectSize(FI);
return MF.getMachineMemOperand(PtrInfo, MachineMemOperand::MOStore,
ObjectSize, MFI.getObjectAlign(FI));
}

/// Return a vector shuffle operation which
/// performs the same shuffle in terms of order or result bytes, but on a type
/// whose vector element type is narrower than the original shuffle type.
Expand Down Expand Up @@ -1379,19 +1392,6 @@ void SelectionDAGLegalize::LegalizeOp(SDNode *Node) {
}
}

// Helper function that generates an MMO that considers the alignment of the
// stack, and the size of the stack object
static MachineMemOperand *getStackAlignedMMO(SDValue StackPtr,
MachineFunction &MF,
bool isObjectScalable) {
auto &MFI = MF.getFrameInfo();
int FI = cast<FrameIndexSDNode>(StackPtr)->getIndex();
MachinePointerInfo PtrInfo = MachinePointerInfo::getFixedStack(MF, FI);
uint64_t ObjectSize = isObjectScalable ? ~UINT64_C(0) : MFI.getObjectSize(FI);
return MF.getMachineMemOperand(PtrInfo, MachineMemOperand::MOStore,
ObjectSize, MFI.getObjectAlign(FI));
}

SDValue SelectionDAGLegalize::ExpandExtractFromVectorThroughStack(SDValue Op) {
SDValue Vec = Op.getOperand(0);
SDValue Idx = Op.getOperand(1);
Expand Down