[LLVMbugs] [Bug 13044] New: Implicit labels are not documented

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=13044

             Bug #: 13044
           Summary: Implicit labels are not documented
           Product: Documentation
           Version: trunk
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: General docs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: dontbugme at mailinator.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified


Created attachment 8697
  --> http://llvm.org/bugs/attachment.cgi?id=8697
A documentation patch explaining implicit and explicit labels

The language reference (LangRef.html) does not include sufficient documentation
about labels (especially 'implicit' labels). The block structure is defined as:

"Each basic block may optionally start with a label (giving the basic block a
symbol table entry), contains a list of instructions, and ends with a
terminator
instruction."

Attached is a proposed fix.

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