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Dan Gohman 0b89dff37d Instead of eagerly creating new SCEVs to replace all SCEVs that are 
affected after a PHI node has been analyzed, just remove affected
SCEVs from the Scalars map, so that they'll be (lazily) recreated as
needed. This avoids creating SCEV objects that aren't actually needed.

Also, rewrite the associated def-use walking code to be non-recursive
and to continue traversing past Instructions that don't have an
entry in the Scalars map.

llvm-svn: 77032
 		2009-07-25 01:13:03 +00:00
..
Xcode Remove the IA-64 backend. 2009-07-24 00:30:09 +00:00
autoconf Remove the IA-64 backend. 2009-07-24 00:30:09 +00:00
bindings Reorder the "Metadata" entry to match the C bindings. 2009-07-21 21:52:57 +00:00
cmake Remove the IA-64 backend. 2009-07-24 00:30:09 +00:00
docs Tweak, raw_ostream is a ostream, not iostream replacement 2009-07-24 23:54:34 +00:00
examples Revert the ConstantInt constructors back to their 2.5 forms where possible, thanks to contexts-on-types. More to come. 2009-07-24 23:12:02 +00:00
include Instead of eagerly creating new SCEVs to replace all SCEVs that are 2009-07-25 01:13:03 +00:00
lib Instead of eagerly creating new SCEVs to replace all SCEVs that are 2009-07-25 01:13:03 +00:00
projects remove dead makefile flags. 2009-06-24 05:29:56 +00:00
runtime Drop toy GC runtime. 2009-03-02 03:46:48 +00:00
test I've lost my mind. PR4572 has not been fixed. 2009-07-25 01:11:46 +00:00
tools One more getName -> getNameStr 2009-07-25 00:43:31 +00:00
unittests Add a missing ilist_node.h #include to SparseBitVector, and add a very short 2009-07-25 00:33:57 +00:00
utils Add new keywords to the vim syntax highlighting. 2009-07-22 22:45:50 +00:00
website
…
win32 Revert the ConstantInt constructors back to their 2.5 forms where possible, thanks to contexts-on-types. More to come. 2009-07-24 23:12:02 +00:00
CMakeLists.txt Remove the IA-64 backend. 2009-07-24 00:30:09 +00:00
CREDITS.TXT Added myself to the blame list. 2009-07-15 13:01:49 +00:00
LICENSE.TXT Now that we have atomics support properly detected by configure, 2009-05-19 00:08:29 +00:00
Makefile Introduce new headers whose inclusion forces linking and 2009-06-16 20:12:29 +00:00
Makefile.common Removed trailing whitespace from Makefiles. 2009-01-09 16:44:42 +00:00
Makefile.config.in LLVMC can be now compiled w/o dynamic plugin support. 2009-07-04 03:55:25 +00:00
Makefile.rules Makefile rules for generating assembly matcher. 2009-07-13 18:35:35 +00:00
ModuleInfo.txt Patch to build llvm with srcdir != objdir from 2009-01-23 08:42:38 +00:00
README.txt README.txt: test commit w/blank line appended 2009-03-23 21:00:45 +00:00
build-for-llvm-top.sh Patch to build llvm with srcdir != objdir from 2009-01-23 08:42:38 +00:00
configure Remove the IA-64 backend. 2009-07-24 00:30:09 +00:00
llvm.spec.in
…

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.