[docs] Update code block for compatibility with Sphinx 1.5.1

It is currently not possible to build the documentation with cmake and
the same version of Sphinx (1.5.1) used to generate the public facing
documentation on llvm.org. When code blocks cannot be parsed by
Pygments, it generates a warning which is treated as an error.

In addition to being annoying and confusing for developers, this
needlessly increases the bar for newcomers that want to get involved.

This patch removes the language specifier from the affected block. The
result is the same as when parsing fails: the block are not highlighted.

llvm-svn: 317472

Author: JDevlieghere

llvm/docs/CommandGuide/lli.rst

@@ -122,7 +122,7 @@ CODE GENERATION OPTIONS
 
  Choose the code model from:
 
- .. code-block:: perl
+ .. code-block:: text
 
       default: Target default code model
       small: Small code model
@@ -154,7 +154,7 @@ CODE GENERATION OPTIONS
 
  Instruction schedulers available (before register allocation):
 
- .. code-block:: perl
+ .. code-block:: text
 
       =default: Best scheduler for the target
       =none: No scheduling: breadth first sequencing
@@ -168,7 +168,7 @@ CODE GENERATION OPTIONS
 
  Register allocator to use (default=linearscan)
 
- .. code-block:: perl
+ .. code-block:: text
 
       =bigblock: Big-block register allocator
       =linearscan: linear scan register allocator =local -   local register allocator
@@ -178,7 +178,7 @@ CODE GENERATION OPTIONS
 
  Choose relocation model from:
 
- .. code-block:: perl
+ .. code-block:: text
 
       =default: Target default relocation model
       =static: Non-relocatable code =pic -   Fully relocatable, position independent code
@@ -188,7 +188,7 @@ CODE GENERATION OPTIONS
 
  Spiller to use (default=local)
 
- .. code-block:: perl
+ .. code-block:: text
 
       =simple: simple spiller
       =local: local spiller
@@ -197,7 +197,7 @@ CODE GENERATION OPTIONS
 
  Choose style of code to emit from X86 backend:
 
- .. code-block:: perl
+ .. code-block:: text
 
       =att: Emit AT&T-style assembly
       =intel: Emit Intel-style assembly

llvm/docs/CommandGuide/llvm-pdbutil.rst

@@ -142,7 +142,7 @@ Symbol Type Options
 
  Displays class definitions in the specified format.
 
- .. code-block:: perl
+ .. code-block:: text
 
     =all      - Display all class members including data, constants, typedefs, functions, etc (default)
     =layout   - Only display members that contribute to class size.
@@ -152,7 +152,7 @@ Symbol Type Options
 
  Displays classes in the specified order.
 
- .. code-block:: perl
+ .. code-block:: text
 
     =none            - Undefined / no particular sort order (default)
     =name            - Sort classes by name
@@ -200,7 +200,7 @@ Symbol Type Options
  Type of symbols to dump when -globals, -externals, or -module-syms is
  specified. (default all)
 
- .. code-block:: perl
+ .. code-block:: text
 
     =thunks - Display thunk symbols
     =data   - Display data symbols
@@ -212,7 +212,7 @@ Symbol Type Options
  For symbols dumped via the -module-syms, -globals, or -externals options, sort
  the results in specified order.
 
- .. code-block:: perl
+ .. code-block:: text
 
     =none - Undefined / no particular sort order
     =name - Sort symbols by name

llvm/docs/GetElementPtr.rst

@@ -196,7 +196,7 @@ illegal.
 In order to access the 18th integer in the array, you would need to do the
 following:
 
-.. code-block:: llvm
+.. code-block:: text
 
   %idx = getelementptr { [40 x i32]* }, { [40 x i32]* }* %, i64 0, i32 0
   %arr = load [40 x i32]** %idx