Generates conditional branch instead of fake ones for Select instruction in some...

[oota-llvm.git] / docs / CommandGuide / llc.rst

diff --git a/docs/CommandGuide/llc.rst b/docs/CommandGuide/llc.rst
index e6a59767aaff91d4c56f8a875b1ba54aba597937..5094259f9f952775536709da9287306f691a1d54 100644 (file)
--- a/docs/CommandGuide/llc.rst
+++ b/docs/CommandGuide/llc.rst
@@ -45,7 +45,7 @@ End-user Options
 
  Generate code at different optimization levels.  These correspond to the
  ``-O0``, ``-O1``, ``-O2``, and ``-O3`` optimization levels used by
- :program:`llvm-gcc` and :program:`clang`.
+ :program:`clang`.
 
 .. option:: -mtriple=<target triple>
 
@@ -112,11 +112,6 @@ End-user Options
  optimizations allow the code generator to make use of some instructions which
  would otherwise not be usable (such as ``fsin`` on X86).
 
-.. option:: --enable-correct-eh-support
-
- Instruct the **lowerinvoke** pass to insert code for correct exception
- handling support.  This is expensive and is by default omitted for efficiency.
-
 .. option:: --stats
 
  Print statistics recorded by code-generation passes.
@@ -132,6 +127,12 @@ End-user Options
  implements an LLVM target.  This will permit the target name to be used with
  the :option:`-march` option so that code can be generated for that target.
 
+.. option:: -meabi=[default|gnu|4|5]
+
+ Specify which EABI version should conform to.  Valid EABI versions are *gnu*,
+ *4* and *5*.  Default value (*default*) depends on the triple.
+
+
 Tuning/Configuration Options
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
@@ -141,24 +142,24 @@ Tuning/Configuration Options
 
 .. option:: --regalloc=<allocator>
 
- Specify the register allocator to use.  The default ``allocator`` is *local*.
+ Specify the register allocator to use.
  Valid register allocators are:
 
- *simple*
+ *basic*
 
-  Very simple "always spill" register allocator
+  Basic register allocator.
 
- *local*
+ *fast*
 
-  Local register allocator
+  Fast register allocator. It is the default for unoptimized code.
 
- *linearscan*
+ *greedy*
 
-  Linear scan global register allocator
+  Greedy register allocator. It is the default for optimized code.
 
- *iterativescan*
+ *pbqp*
 
-  Iterative scan global register allocator
+  Register allocator based on 'Partitioned Boolean Quadratic Programming'.
 
 .. option:: --spiller=<spiller>