[Docs] Adds Documentation links to sidebar

Adds links to Getting Started/Tutorials, User Guides, and Reference documentation pages to sidebar. Also adds a new section for LLVM IR on the Reference documentation page.

llvm-svn: 374214
diff --git a/llvm/docs/Reference.rst b/llvm/docs/Reference.rst
index a24a8a1..c18b6d0 100644
--- a/llvm/docs/Reference.rst
+++ b/llvm/docs/Reference.rst
@@ -16,7 +16,6 @@
    Bugpoint

    CFIVerify

    CommandGuide/index

-   CompilerWriterInfo

    Coroutines

    DependenceGraphs/index

    ExceptionHandling

@@ -68,23 +67,9 @@
 LLVM Reference

 --------------

 

-:doc:`LLVM Language Reference Manual <LangRef>`

-  Defines the LLVM intermediate representation and the assembly form of the

-  different nodes.

-

 :doc:`FaultMaps`

   LLVM support for folding control flow into faulting machine instructions.

 

-:doc:`InAlloca`

-  Description of the ``inalloca`` argument attribute.

-

-:doc:`Machine IR (MIR) Format Reference Manual <MIRLangRef>`

-   A reference manual for the MIR serialization format, which is used to test

-   LLVM's code generation passes.

-

-:doc:`GlobalISel`

-  This describes the prototype instruction selection replacement, GlobalISel.

-

 :doc:`Atomics`

   Information about LLVM's concurrency model.

 

@@ -92,12 +77,6 @@
    This document describes the design and implementation of exception handling

    in LLVM.

 

-:doc:`CompilerWriterInfo`

-  A list of helpful links for compiler writers.

-

-:doc:`BitCodeFormat`

-   This describes the file format and encoding used for LLVM "bc" files.

-

 :doc:`Extensions`

   LLVM-specific extensions to tools and formats LLVM seeks compatibility with.

 

@@ -198,6 +177,27 @@
 :doc:`FuzzingLLVM`

   Information on writing and using Fuzzers to find bugs in LLVM.

 

+========

+LLVM IR

+========

+

+:doc:`LLVM Language Reference Manual <LangRef>`

+  Defines the LLVM intermediate representation and the assembly form of the

+  different nodes.

+

+:doc:`InAlloca`

+  Description of the ``inalloca`` argument attribute.

+

+:doc:`BitCodeFormat`

+   This describes the file format and encoding used for LLVM "bc" files.

+

+:doc:`Machine IR (MIR) Format Reference Manual <MIRLangRef>`

+   A reference manual for the MIR serialization format, which is used to test

+   LLVM's code generation passes.

+

+:doc:`GlobalISel`

+  This describes the prototype instruction selection replacement, GlobalISel.

+

 =======

 Testing

 =======