Add a SelectionDAG getTargetInsertSubreg convenience function,
similar to getTargetExtractSubreg.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83564 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index f6fed21..8c4421e 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -4769,6 +4769,17 @@
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,