Update MIRLangRef for MIR syntax change from r244982.
llvm-svn: 244996
diff --git a/llvm/docs/MIRLangRef.rst b/llvm/docs/MIRLangRef.rst
index 845b2b7..b3bf329 100644
--- a/llvm/docs/MIRLangRef.rst
+++ b/llvm/docs/MIRLangRef.rst
@@ -64,22 +64,21 @@
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 @@
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.