[llvm] r244996 - Update MIRLangRef for MIR syntax change from r244982.

[Duncan P. N. Exon Smith via llvm-commits]

> On 2015-Aug-13, at 17:36, Alex Lorenz via llvm-commits <llvm-commits at lists.llvm.org> wrote:
> 
> Author: arphaman
> Date: Thu Aug 13 19:36:10 2015
> New Revision: 244996
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=244996&view=rev
> Log:
> Update MIRLangRef for MIR syntax change from r244982.

The new syntax is much cleaner!

BTW, it would have been better if the MIRLangRef change had been in
the same commit.  For next time you rewrite the syntax ;).

> 
> Modified:
>    llvm/trunk/docs/MIRLangRef.rst
> 
> Modified: llvm/trunk/docs/MIRLangRef.rst
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/MIRLangRef.rst?rev=244996&r1=244995&r2=244996&view=diff
> ==============================================================================
> --- llvm/trunk/docs/MIRLangRef.rst (original)
> +++ llvm/trunk/docs/MIRLangRef.rst Thu Aug 13 19:36:10 2015
> @@ -64,22 +64,21 @@ Machine Functions
> The remaining YAML documents contain the machine functions. This is an example
> of such YAML document:
> 
> -.. code-block:: yaml
> +.. code-block:: llvm
> 
>      ---
>      name:            inc
>      tracksRegLiveness: true
>      liveins:
>        - { reg: '%rdi' }
> -     body:
> -       - id:              0
> -         name:            entry
> -         liveins:         [ '%rdi' ]
> -         instructions:
> -           - '%eax = MOV32rm %rdi, 1, _, 0, _'
> -           - '%eax = INC32r killed %eax, implicit-def dead %eflags'
> -           - 'MOV32mr killed %rdi, 1, _, 0, _, %eax'
> -           - 'RETQ %eax'
> +     body: |
> +       bb.0.entry:
> +         liveins: %rdi
> +
> +         %eax = MOV32rm %rdi, 1, _, 0, _
> +         %eax = INC32r killed %eax, implicit-def dead %eflags
> +         MOV32mr killed %rdi, 1, _, 0, _, %eax
> +         RETQ %eax
>      ...
> 
> The document above consists of attributes that represent the various
> @@ -88,12 +87,8 @@ properties and data structures in a mach
> The attribute ``name`` is required, and its value should be identical to the
> name of a function that this machine function is based on.
> 
> -The attribute ``body`` contains a list of YAML mappings that represent the
> -function's machine basic blocks.
> -
> -The first machine basic block in the ``body`` list above contains the attribute
> -``instructions``. This attribute stores a list of string literals which
> -represent the machine instructions for that basic block.
> +The attribute ``body`` is a `YAML block literal string`_. Its value represents
> +the function's machine basic blocks and their machine instructions.
> 
> .. TODO: Describe the parsers default behaviour when optional YAML attributes
>    are missing.
> 
> 
> _______________________________________________
> llvm-commits mailing list
> llvm-commits at lists.llvm.org
> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-commits