Added initial support for DEBUG_LABEL allowing debug specific labels to be

inserted in the code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25104 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 4 deletions

diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h
index 800ad3932b..124da2e6cd 100644
--- a/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/include/llvm/CodeGen/SelectionDAGNodes.h
@@ -355,12 +355,17 @@ namespace ISD {
     LOCATION,
     
     // DEBUG_LOC - This node is used to represent source line information
-    // embedded in the code.  It takes token chain as input, then a line number,
-    // then a column then a file id (provided by MachineDebugInfo), then a
-    // unique id (provided by MachineDebugInfo for label gen).  It produces a
-    // token chain as output.
+    // embedded in the code.  It takes a token chain as input, then a line
+    // number, then a column then a file id (provided by MachineDebugInfo.) It
+    // produces a token chain as output.
     DEBUG_LOC,
     
+    // DEBUG_LABEL - This node is used to mark a location in the code where a
+    // label should be generated for use by the debug information.  It takes a
+    // token chain as input, the a unique id (provided by MachineDebugInfo.) It
+    // produces a token chain as output.
+    DEBUG_LABEL,
+    
     // BUILTIN_OP_END - This must be the last enum value in this list.
     BUILTIN_OP_END,
   };