Disable each MachineFunctionPass for 'optnone' functions, unless that

[oota-llvm.git] / docs / SourceLevelDebugging.rst

diff --git a/docs/SourceLevelDebugging.rst b/docs/SourceLevelDebugging.rst
index a6349fba86a4557f9d86303bac32c2eaec6da3f0..f957a7dfd4a7c6793f024d3453d07ce535ef6b51 100644 (file)
--- a/docs/SourceLevelDebugging.rst
+++ b/docs/SourceLevelDebugging.rst
@@ -319,6 +319,7 @@ Block descriptors
     metadata,;; Reference to context descriptor
     i32,     ;; Line number
     i32,     ;; Column number
+    i32,     ;; DWARF path discriminator value
     i32      ;; Unique ID to identify blocks from a template function
   }
 
@@ -566,7 +567,7 @@ Local variables
     metadata, ;; Reference to file where defined
     i32,      ;; 24 bit - Line number where defined
               ;; 8 bit - Argument number. 1 indicates 1st argument.
-    metadata, ;; Type descriptor
+    metadata, ;; Reference to the type descriptor
     i32,      ;; flags
     metadata  ;; (optional) Reference to inline location
   }
@@ -724,7 +725,8 @@ Compiled to LLVM, this function would be represented like this:
   !15 = metadata !{i32 786688, metadata !16, metadata !"Z", metadata !5, i32 5,
                    metadata !11, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [Z] \
                      [line 5]
-  !16 = metadata !{i32 786443, metadata !1, metadata !4, i32 4, i32 0, i32 0} \
+  !16 = metadata !{i32 786443, metadata !1, metadata !4, i32 4, i32 0, i32 0,
+                   i32 0} \
                    ; [ DW_TAG_lexical_block ] [/private/tmp/t.c]
   !17 = metadata !{i32 5, i32 0, metadata !16, null}
   !18 = metadata !{i32 6, i32 0, metadata !16, null}
@@ -776,7 +778,8 @@ scope information for the variable ``Z``.
 
 .. code-block:: llvm
 
-  !16 = metadata !{i32 786443, metadata !1, metadata !4, i32 4, i32 0, i32 0}
+  !16 = metadata !{i32 786443, metadata !1, metadata !4, i32 4, i32 0, i32 0,
+                   i32 0}
                    ; [ DW_TAG_lexical_block ] [/private/tmp/t.c]
   !17 = metadata !{i32 5, i32 0, metadata !16, null}