Nadav Rotem 76f1b84f58 The X86 backend has a number of optimizations for SETCC nodes which use
arithmetic instructions. However, when small data types are used, a truncate
node appears between the SETCC node and the arithmetic operation. This patch
adds support for this pattern.

Before:
  xorl  %esi, %edi
  testb %dil, %dil
  setne %al
  ret

After:
  xorb  %dil, %sil
  setne %al
  ret

rdar://12081007

llvm-svn: 162160
2012-08-18 02:43:28 +00:00
2012-07-19 00:23:13 +00:00
2012-08-08 18:04:45 +00:00
2012-07-23 08:51:15 +00:00
2012-05-02 21:25:32 +00:00
2012-08-15 22:35:36 +00:00
2012-08-14 18:14:22 +00:00
2012-06-19 23:47:58 +00:00
2012-04-03 23:09:22 +00:00
2012-07-11 17:34:12 +00:00

Low Level Virtual Machine (LLVM)
================================

This directory and its subdirectories contain source code for the Low Level
Virtual Machine, a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the HTML documentation provided in docs/index.html for further
assistance with LLVM.

If you're writing a package for LLVM, see docs/Packaging.html for our
suggestions.


Description
Fork of llvm with experimental commits and workarounds for RPCS3
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