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Devang Patel 5049600672 GlobalOpt only process non constant local GVs while optimizing global vars.
If non constant local GV named A is used by a constant local GV named B (e.g. llvm.dbg.variable) and B is not used by anyone else then eliminate A as well as B.

In other words, debug info should not interfere in removal of unused GV.
--This life, and those below, will be ignored--

M    test/Transforms/GlobalOpt/2009-03-03-dbg.ll
M    lib/Transforms/IPO/GlobalOpt.cpp


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66167 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-05 18:12:02 +00:00
autoconf Autodetect the availability of -export-dynamic in the linker. 2009-03-05 08:20:21 +00:00
bindings Remove libtool. 2009-02-26 07:44:16 +00:00
cmake
docs This bug's been fixed but a version with the fix hasn't been released yet. 2009-03-03 05:41:16 +00:00
examples
include Regenerate. 2009-03-05 08:20:44 +00:00
lib GlobalOpt only process non constant local GVs while optimizing global vars. 2009-03-05 18:12:02 +00:00
projects
runtime Drop toy GC runtime. 2009-03-02 03:46:48 +00:00
test GlobalOpt only process non constant local GVs while optimizing global vars. 2009-03-05 18:12:02 +00:00
tools Add example/Skeleton. 2009-03-03 11:02:48 +00:00
unittests Remove libtool. 2009-02-26 07:44:16 +00:00
utils .emacs file bits for automatically setting the llvm.org coding style. Thanks Anton. 2009-03-04 14:14:37 +00:00
website
win32
Xcode
build-for-llvm-top.sh
CMakeLists.txt
configure Regenerate. 2009-03-05 08:20:44 +00:00
CREDITS.TXT
LICENSE.TXT Another great year for LLVM! 2009-02-26 15:17:13 +00:00
llvm.spec.in
Makefile
Makefile.common
Makefile.config.in Autodetect the availability of -export-dynamic in the linker. 2009-03-05 08:20:21 +00:00
Makefile.rules LINK_COMPONENTS should be added to LLVMLibsOptions. 2009-03-03 10:03:27 +00:00
ModuleInfo.txt
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,
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Please see the HTML documentation provided in docs/index.html for further
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