[llvm-commits] CVS: llvm/include/llvm/CodeGen/SelectionDAGNodes.h

[Evan Cheng]

Changes in directory llvm/include/llvm/CodeGen:

SelectionDAGNodes.h updated: 1.146 -> 1.147
---
Log message:

The top bit is used to determine whether it's a MachineConstantPoolValue.

---
Diffs of the changes:  (+4 -2)

 SelectionDAGNodes.h |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)


Index: llvm/include/llvm/CodeGen/SelectionDAGNodes.h
diff -u llvm/include/llvm/CodeGen/SelectionDAGNodes.h:1.146 llvm/include/llvm/CodeGen/SelectionDAGNodes.h:1.147
--- llvm/include/llvm/CodeGen/SelectionDAGNodes.h:1.146	Tue Sep 12 15:59:22 2006
+++ llvm/include/llvm/CodeGen/SelectionDAGNodes.h	Thu Sep 14 02:30:48 2006
@@ -1150,7 +1150,7 @@
     Constant *ConstVal;
     MachineConstantPoolValue *MachineCPVal;
   } Val;
-  int Offset;
+  int Offset;  // It's a MachineConstantPoolValue if top bit is set.
   unsigned Alignment;
 protected:
   friend class SelectionDAG;
@@ -1200,7 +1200,9 @@
     return Val.MachineCPVal;
   }
 
-  int getOffset() const { return Offset; }
+  int getOffset() const {
+    return Offset & ~(1 << (sizeof(unsigned)*8-1));
+  }
   
   // Return the alignment of this constant pool object, which is either 0 (for
   // default alignment) or log2 of the desired value.