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Arnold Schwaighofer c532e0f494 LoopVectorize: Use the widest induction variable type 
Use the widest induction type encountered for the cannonical induction variable.

We used to turn the following loop into an empty loop because we used i8 as
induction variable type and truncated 1024 to 0 as trip count.

int a[1024];
void fail() {
  int reverse_induction = 1023;
  unsigned char forward_induction = 0;
  while ((reverse_induction) >= 0) {
    forward_induction++;
    a[reverse_induction] = forward_induction;
    --reverse_induction;
  }
}

radar://13862901

llvm-svn: 181667
2013-05-11 23:04:28 +00:00
autoconf We're in 3.4 land now. 2013-05-07 20:31:28 +00:00
bindings We're in 3.4 land now. 2013-05-07 20:31:28 +00:00
cmake [SystemZ] Add configure bits 2013-05-06 16:22:34 +00:00
docs Better output for long help strings for command-line options. 2013-05-10 17:15:51 +00:00
examples Remove exception handling support from the old JIT. 2013-05-07 20:53:59 +00:00
include Correct parameter name in doc comment to match declaration. 2013-05-11 19:14:10 +00:00
lib LoopVectorize: Use the widest induction variable type 2013-05-11 23:04:28 +00:00
projects [SystemZ] Add to --enable-targets=all 2013-05-06 16:23:07 +00:00
runtime Remove GCDAProfiling.c. This copy is old, the copy in compiler-rt is newer and 2013-03-07 02:03:08 +00:00
test LoopVectorize: Use the widest induction variable type 2013-05-11 23:04:28 +00:00
tools Introduce convenience typedefs for the 4 ELF object types. 2013-05-09 13:13:28 +00:00
unittests Fix MCJITCAPITest.cpp unit test on Windows. 2013-05-10 17:58:41 +00:00
utils Add libcxx and clang-tools-extra to the testing thing. 2013-05-08 09:31:10 +00:00
.arcconfig Add .arcconfig to the repository. Useful if someone wants to use phabricator's command line tool. 2012-12-01 12:07:58 +00:00
.gitignore Add extra vim swap file pattern 2012-10-09 23:48:34 +00:00
CMakeLists.txt Change version to 3.4 in the cmake build too. 2013-05-07 20:44:22 +00:00
CODE_OWNERS.TXT Add myself as SystemZ code owner 2013-05-08 14:41:29 +00:00
configure We're in 3.4 land now. 2013-05-07 20:31:28 +00:00
CREDITS.TXT Test commit. 2013-05-09 12:32:36 +00:00
LICENSE.TXT Add LICENSE.TXT covering contributions made by ARM. 2013-01-07 10:04:49 +00:00
llvm.spec.in Tidy up. s/Low Level Virtual Machine/LLVM/. 2012-01-25 22:00:23 +00:00
LLVMBuild.txt
Makefile Improved svn repo searching for 'make update' 2013-01-28 03:19:57 +00:00
Makefile.common Makefile.common: Update a description, s/Source/SOURCES/ , according to MakefileGuide.html#control-variables . 2012-12-07 01:43:23 +00:00
Makefile.config.in Add basic zlib support to LLVM. This would allow to use compression/uncompression in selected LLVM tools. 2013-04-23 08:28:39 +00:00
Makefile.rules Remove this hack. We can support this better with function attributes. 2013-05-03 21:53:50 +00:00
README.txt test 2013-04-17 05:34:03 +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 documentation provided in docs/ for further
assistance with LLVM, and in particular docs/GettingStarted.rst for getting
started with LLVM and docs/README.txt for an overview of LLVM's
documentation setup.

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