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Chandler Carruth 6f0ec20e8f Revert "indvars: Improve LFTR by eliminating truncation when comparing
against a constant."

This reverts commit r186107. It didn't handle wrapping arithmetic in the
loop correctly and thus caused the following C program to count from
0 to UINT64_MAX instead of from 0 to 255 as intended:

  #include <stdio.h>
  int main() {
    unsigned char first = 0, last = 255;
    do { printf("%d\n", first); } while (first++ != last);
  }

Full test case and instructions to reproduce with just the -indvars pass
sent to the original review thread rather than to r186107's commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186152 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-12 11:18:55 +00:00
autoconf No ',' between programs. 2013-07-08 21:18:54 +00:00
bindings We're in 3.4 land now. 2013-05-07 20:31:28 +00:00
cmake Find xdot or xdot.py. 2013-07-08 20:24:54 +00:00
docs CommandLine.rst: remove tiny bit of bad mark-up 2013-07-10 22:09:22 +00:00
examples ExceptionDemo: Corresponding to r181820, SectionMemoryManager should belong to RTDyldMemoryManager. 2013-05-14 23:05:00 +00:00
include Stylistic change. 2013-07-12 07:25:38 +00:00
lib Revert "indvars: Improve LFTR by eliminating truncation when comparing 2013-07-12 11:18:55 +00:00
projects The build system is currently miss-identifying GNU/kFreeBSD as FreeBSD. 2013-07-01 08:07:52 +00:00
runtime Remove "-Wl,-seg1addr -Wl,0xE0000000" from link options. 2013-06-04 15:26:37 +00:00
test Revert "indvars: Improve LFTR by eliminating truncation when comparing 2013-07-12 11:18:55 +00:00
tools llvm-ar: Clean up memory management with OwningPtr. 2013-07-11 23:15:05 +00:00
unittests Sync SmallBitVector with BitVector. Add unit tests for the missing methods. 2013-07-11 21:59:16 +00:00
utils Target/X86: Add explicit Win64 and System V/x86-64 calling conventions. 2013-07-12 06:02:35 +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 Support using "host" as a target in LLVM_TARGETS_TO_BUILD when using cmake. 2013-06-26 07:57:53 +00:00
CODE_OWNERS.TXT Add more owners to CODE_OWNERS.TXT (Kostya Serebryany: AddressSanitizer and ThreadSanitizer; Evgeniy Stepanov: MemorySanitizer) 2013-06-27 08:47:12 +00:00
configure No ',' between programs. 2013-07-08 21:18:54 +00:00
CREDITS.TXT Identify me on IRC. 2013-06-18 22:09:36 +00:00
LICENSE.TXT Be more specific and capitalize filenames. 2013-05-21 21:22:34 +00:00
llvm.spec.in Tidy up. s/Low Level Virtual Machine/LLVM/. 2012-01-25 22:00:23 +00:00
LLVMBuild.txt LLVMBuild: Introduce a common section which currently has a list of the 2011-12-12 22:45:54 +00:00
Makefile Fix regular expression used by 'make update' to only look for 'I' and '?' at the start of svn info results and to check for spaces after 'I' instead of just after '?'. 2013-07-03 14:48:37 +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 an autoconf option for turning on -gsplit-dwarf by default 2013-06-25 01:12:25 +00:00
Makefile.rules The build system is currently miss-identifying GNU/kFreeBSD as FreeBSD. 2013-07-01 08:07:52 +00:00
README.txt test 2013-04-17 05:34:03 +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 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.