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Add a SelectionDAG getTargetInsertSubreg convenience function,

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similar to getTargetExtractSubreg.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83564 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson 2009-10-08 18:49:46 +00:00
parent eda312193d
commit 5fcbf0d26e
2 changed files with 16 additions and 0 deletions
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5
include/llvm/CodeGen/SelectionDAG.h
View File

@ -708,6 +708,11 @@ public:
SDValue getTargetExtractSubreg(int SRIdx, DebugLoc DL, EVT VT,
SDValue Operand);
/// getTargetInsertSubreg - A convenience function for creating
/// TargetInstrInfo::INSERT_SUBREG nodes.
SDValue getTargetInsertSubreg(int SRIdx, DebugLoc DL, EVT VT,
SDValue Operand, SDValue Subreg);
/// getNodeIfExists - Get the specified node if it's already available, or
/// else return NULL.
SDNode *getNodeIfExists(unsigned Opcode, SDVTList VTs,

11
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
View File

@ -4769,6 +4769,17 @@ SelectionDAG::getTargetExtractSubreg(int SRIdx, DebugLoc DL, EVT VT,
return SDValue(Subreg, 0);
}
/// getTargetInsertSubreg - A convenience function for creating
/// TargetInstrInfo::INSERT_SUBREG nodes.
SDValue
SelectionDAG::getTargetInsertSubreg(int SRIdx, DebugLoc DL, EVT VT,
SDValue Operand, SDValue Subreg) {
SDValue SRIdxVal = getTargetConstant(SRIdx, MVT::i32);
SDNode *Result = getMachineNode(TargetInstrInfo::INSERT_SUBREG, DL,
VT, Operand, Subreg, SRIdxVal);
return SDValue(Result, 0);
}
/// getNodeIfExists - Get the specified node if it's already available, or
/// else return NULL.
SDNode *SelectionDAG::getNodeIfExists(unsigned Opcode, SDVTList VTList,