Register scavenger is now capable of scavenging. It spills a register whose use of...

[oota-llvm.git] / include / llvm / CodeGen / SelectionDAGNodes.h

diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h
index fd976f91e9c296e6e241b3a980b56cb375e81795..6576e5d17a443e5d96db94fcec18825476086ae8 100644 (file)
--- a/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/include/llvm/CodeGen/SelectionDAGNodes.h
@@ -91,6 +91,14 @@ namespace ISD {
     // to the current function's frame or return address, an index of one to the
     // parent's frame or return address, and so on.
     FRAMEADDR, RETURNADDR,
+    
+    // RESULT, OUTCHAIN = EXCEPTIONADDR(INCHAIN) - This node represents the
+    // address of the exception block on entry to an landing pad block.
+    EXCEPTIONADDR,
+    
+    // RESULT, OUTCHAIN = EHSELECTION(INCHAIN, EXCEPTION) - This node represents
+    // the selection index of the exception thrown.
+    EHSELECTION,
 
     // TargetConstant* - Like Constant*, but the DAG does not do any folding or
     // simplification of the constant.
@@ -184,6 +192,10 @@ namespace ISD {
     // Simple integer binary arithmetic operators.
     ADD, SUB, MUL, SDIV, UDIV, SREM, UREM,
     
+    // CARRY_FALSE - This node is used when folding other nodes,
+    // like ADDC/SUBC, which indicate the carry result is always false.
+    CARRY_FALSE,
+    
     // Carry-setting nodes for multiple precision addition and subtraction.
     // These nodes take two operands of the same value type, and produce two
     // results.  The first result is the normal add or sub result, the second
@@ -457,7 +469,7 @@ namespace ISD {
     //   Operand #0 : input chain.
     //   Operand #1 : module unique number use to identify the label.
     LABEL,
-
+    
     // STACKSAVE - STACKSAVE has one operand, an input chain.  It produces a
     // value, the same type as the pointer type for the system, and an output
     // chain.