Since last couple of days, argument number is encoded using 8 bits from line number field in argument's debug info.

llvm-svn: 127250
2011-03-08 16:29:40 +00:00 · 2011-03-08 16:29:40 +00:00 · e1aa67cff5
parent fb30b85e7c
commit e1aa67cff5
1 changed files with 2 additions and 1 deletions
--- a/llvm/docs/SourceLevelDebugging.html
+++ b/llvm/docs/SourceLevelDebugging.html
@ -744,7 +744,8 @@ DW_TAG_inheritance      = 28
  metadata, ;; Context
  metadata, ;; Name
  metadata, ;; Reference to file where defined
-  i32,      ;; Line number where defined
+  i32,      ;; 24 bit - Line number where defined
+            ;; 8 bit - Argument number. 1 indicates 1st argument.
  metadata  ;; Type descriptor
 }
 </pre>