maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[SelectionDAG] Added getBuildVector(ArrayRef<SDUse>) helper. 

llvm-svn: 301322
This commit is contained in:
Simon Pilgrim 2017-04-25 16:41:28 +00:00
parent c13df8e5e0
commit d68785803b
2 changed files with 14 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
llvm/include/llvm/CodeGen/SelectionDAG.h
View File

@ -654,6 +654,15 @@ public:
return getNode(ISD::BUILD_VECTOR, DL, VT, Ops);
}
/// Return an ISD::BUILD_VECTOR node. The number of elements in VT,
/// which must be a vector type, must match the number of operands in Ops.
/// The operands must have the same type as (or, for integers, a type wider
/// than) VT's element type.
SDValue getBuildVector(EVT VT, const SDLoc &DL, ArrayRef<SDUse> Ops) {
// VerifySDNode (via InsertNode) checks BUILD_VECTOR later.
return getNode(ISD::BUILD_VECTOR, DL, VT, Ops);
}
/// Return a splat ISD::BUILD_VECTOR node, consisting of Op splatted to all
/// elements. VT must be a vector type. Op's type must be the same as (or,
/// for integers, a type wider than) VT's element type.
@ -968,7 +977,7 @@ public:
bool IsExpanding = false);
SDValue getMaskedStore(SDValue Chain, const SDLoc &dl, SDValue Val,
SDValue Ptr, SDValue Mask, EVT MemVT,
MachineMemOperand *MMO, bool IsTruncating = false,
MachineMemOperand *MMO, bool IsTruncating = false,
bool IsCompressing = false);
SDValue getMaskedGather(SDVTList VTs, EVT VT, const SDLoc &dl,
ArrayRef<SDValue> Ops, MachineMemOperand *MMO);

8
llvm/lib/Target/X86/X86ISelLowering.cpp
View File

@ -5060,8 +5060,8 @@ static SDValue extractSubVector(SDValue Vec, unsigned IdxVal, SelectionDAG &DAG,
// If the input is a buildvector just emit a smaller one.
if (Vec.getOpcode() == ISD::BUILD_VECTOR)
return DAG.getNode(ISD::BUILD_VECTOR, dl, ResultVT,
makeArrayRef(Vec->op_begin() + IdxVal, ElemsPerChunk));
return DAG.getBuildVector(
ResultVT, dl, makeArrayRef(Vec->op_begin() + IdxVal, ElemsPerChunk));
SDValue VecIdx = DAG.getIntPtrConstant(IdxVal, dl);
return DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, ResultVT, Vec, VecIdx);
@ -14424,8 +14424,8 @@ static SDValue LowerEXTRACT_SUBVECTOR(SDValue Op, const X86Subtarget &Subtarget,
// If the input is a buildvector just emit a smaller one.
unsigned ElemsPerChunk = ResVT.getVectorNumElements();
if (In.getOpcode() == ISD::BUILD_VECTOR)
return DAG.getNode(ISD::BUILD_VECTOR, dl, ResVT,
makeArrayRef(In->op_begin() + IdxVal, ElemsPerChunk));
return DAG.getBuildVector(
ResVT, dl, makeArrayRef(In->op_begin() + IdxVal, ElemsPerChunk));
// Everything else is legal.
return Op;