[llvm-commits] [llvm] r83564 - in /llvm/trunk: include/llvm/CodeGen/SelectionDAG.h lib/CodeGen/SelectionDAG/SelectionDAG.cpp

[Bob Wilson]

Author: bwilson
Date: Thu Oct  8 13:49:46 2009
New Revision: 83564

URL: http://llvm.org/viewvc/llvm-project?rev=83564&view=rev
Log:
Add a SelectionDAG getTargetInsertSubreg convenience function,
similar to getTargetExtractSubreg.

Modified:
    llvm/trunk/include/llvm/CodeGen/SelectionDAG.h
    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp

Modified: llvm/trunk/include/llvm/CodeGen/SelectionDAG.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/SelectionDAG.h?rev=83564&r1=83563&r2=83564&view=diff

==============================================================================
--- llvm/trunk/include/llvm/CodeGen/SelectionDAG.h (original)
+++ llvm/trunk/include/llvm/CodeGen/SelectionDAG.h Thu Oct  8 13:49:46 2009
@@ -708,6 +708,11 @@
   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,

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp?rev=83564&r1=83563&r2=83564&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp Thu Oct  8 13:49:46 2009
@@ -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,