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Mirror of https://github.com/RPCS3/llvm-mirror
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Duncan Sands 559ef2f491 Teach GVN to also propagate switch cases. For example, in this code 
switch (n) {
    case 27:
      do_something(x);
    ...
  }
the call do_something(x) will be replaced with do_something(27).  In
gcc-as-one-big-file this results in the removal of about 500 lines of
bitcode (about 0.02%), so has about 1/10 of the effect of propagating
branch conditions.

llvm-svn: 141360
2011-10-07 08:29:06 +00:00
autoconf We're no longer going to bother supporting platforms that don't 2011-09-23 00:53:10 +00:00
bindings ocaml/C bindings: type->isSized() 2011-10-06 12:13:28 +00:00
cmake Build system infrastructure for multiple tblgens. 2011-10-06 01:51:51 +00:00
docs Fix a typo. 2011-10-05 23:16:44 +00:00
examples Changed comments on foreign C++ exceptions (generated with type info 7), 2011-09-28 10:53:56 +00:00
include Remove the old atomic instrinsics. autoupgrade functionality is included with this patch. 2011-10-06 23:20:49 +00:00
lib Teach GVN to also propagate switch cases. For example, in this code 2011-10-07 08:29:06 +00:00
projects Fix a ton of comment typos found by codespell. Patch by 2011-04-15 05:18:47 +00:00
runtime Fix for warnings: ignoring return value of ‘write’, declared with attribute warn_unused_result. 2011-09-22 17:33:24 +00:00
test Teach GVN to also propagate switch cases. For example, in this code 2011-10-07 08:29:06 +00:00
tools Update cmake list. 2011-10-04 19:38:16 +00:00
unittests The product of two chrec's can always be represented as a chrec. 2011-10-04 06:51:26 +00:00
utils Revert part of r141274. Only need to change encoding for xchg %eax, %eax in 64-bit mode. This is because in 64-bit mode xchg %eax, %eax implies zeroing the upper 32-bits of RAX which makes it not a NOP. In 32-bit mode using NOP encoding is fine. 2011-10-07 05:35:38 +00:00
.gitignore Revert change made in .gitignore. 2011-09-24 01:37:58 +00:00
build-for-llvm-top.sh
CMakeLists.txt Build system infrastructure for multiple tblgens. 2011-10-06 01:51:51 +00:00
configure We're no longer going to bother supporting platforms that don't 2011-09-23 00:53:10 +00:00
CREDITS.TXT Claimed. 2011-09-19 05:34:10 +00:00
LICENSE.TXT Happy new year. 2011-06-12 15:26:54 +00:00
llvm.spec.in
Makefile Move TableGen's parser and entry point into a library 2011-10-01 16:41:13 +00:00
Makefile.common
Makefile.config.in Remove the rest of the compiler checking from the top level configure 2011-09-21 00:53:42 +00:00
Makefile.rules Build system infrastructure for multiple tblgens. 2011-10-06 01:51:51 +00:00
ModuleInfo.txt Remove trailing space. This is just an excuse to poke the 2010-10-05 20:32:15 +00:00
README.txt Test commit 2011-09-21 03:34:31 +00:00

README.txt 

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.