[llvm] r242211 - Move SDNode::IROrder in to padding to save space. NFC.

[Pete Cooper]

Author: pete
Date: Tue Jul 14 16:54:55 2015
New Revision: 242211

URL: http://llvm.org/viewvc/llvm-project?rev=242211&view=rev
Log:
Move SDNode::IROrder in to padding to save space.  NFC.

There was a 32-bit padding gap between 'unsigned short NumOperands, NumValues;' and 'DebugLoc debugLoc.  Move 'unsigned IROrder' in to that gap.

This trims the size of SDNode's from 76 bytes (really 80 due to alignment) to 72 bytes.

Modified:
    llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h

Modified: llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h?rev=242211&r1=242210&r2=242211&view=diff
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h (original)
+++ llvm/trunk/include/llvm/CodeGen/SelectionDAGNodes.h Tue Jul 14 16:54:55 2015
@@ -357,9 +357,6 @@ private:
   /// The number of entries in the Operand/Value list.
   unsigned short NumOperands, NumValues;
 
-  /// Source line information.
-  DebugLoc debugLoc;
-
   // The ordering of the SDNodes. It roughly corresponds to the ordering of the
   // original LLVM instructions.
   // This is used for turning off scheduling, because we'll forgo
@@ -367,6 +364,9 @@ private:
   // this ordering.
   unsigned IROrder;
 
+  /// Source line information.
+  DebugLoc debugLoc;
+
   /// Return a pointer to the specified value type.
   static const EVT *getValueTypeList(EVT VT);
 
@@ -732,7 +732,7 @@ protected:
         SubclassData(0), NodeId(-1),
         OperandList(Ops.size() ? new SDUse[Ops.size()] : nullptr),
         ValueList(VTs.VTs), UseList(nullptr), NumOperands(Ops.size()),
-        NumValues(VTs.NumVTs), debugLoc(std::move(dl)), IROrder(Order) {
+        NumValues(VTs.NumVTs), IROrder(Order), debugLoc(std::move(dl)) {
     assert(debugLoc.hasTrivialDestructor() && "Expected trivial destructor");
     assert(NumOperands == Ops.size() &&
            "NumOperands wasn't wide enough for its operands!");
@@ -752,7 +752,7 @@ protected:
       : NodeType(Opc), OperandsNeedDelete(false), HasDebugValue(false),
         SubclassData(0), NodeId(-1), OperandList(nullptr), ValueList(VTs.VTs),
         UseList(nullptr), NumOperands(0), NumValues(VTs.NumVTs),
-        debugLoc(std::move(dl)), IROrder(Order) {
+        IROrder(Order), debugLoc(std::move(dl)) {
     assert(debugLoc.hasTrivialDestructor() && "Expected trivial destructor");
     assert(NumValues == VTs.NumVTs &&
            "NumValues wasn't wide enough for its operands!");