Evan Cheng d4ddda68fa Initial support for copy elimination by commuting its definition MI. ... PR1877. A3 = op A2 B0<kill> ... B1 = A3 <- this copy ... = op A3 <- more uses ==> B2 = op B0 A2<kill> ... B1 = B2 <- now an identify copy ... = op B2 <- more uses This speeds up FreeBench/neural by 29%, Olden/bh by 12%, oopack_v1p8 by 53%. llvm-svn: 47046		2008-02-13 03:01:43 +00:00
..
Analysis	Re-apply the patch to improve the optimizations of memcpy's, with several	2008-02-12 21:15:18 +00:00
Archive	Use empty() instead of comparing size() with zero.	2008-01-29 13:02:09 +00:00
AsmParser	Back out mods to llvmAsmParser, incorrectly committed	2008-01-30 03:10:00 +00:00
Bitcode	Use empty() instead of comparing size() with zero.	2008-01-29 13:02:09 +00:00
CodeGen	Initial support for copy elimination by commuting its definition MI.	2008-02-13 03:01:43 +00:00
Debugger	Remove attribution from file headers, per discussion on llvmdev.	2007-12-29 20:36:04 +00:00
ExecutionEngine	Use empty() instead of comparing size() with zero.	2008-01-29 13:02:09 +00:00
Linker	Remove attribution from file headers, per discussion on llvmdev.	2007-12-29 20:36:04 +00:00
Support	Added "Profile" method to APFloat for use with FoldingSet.	2008-02-11 17:24:50 +00:00
System	Set error message.	2008-02-04 20:57:54 +00:00
Target	Make register scavenging happy by not using a reg (CR0) that isn't defined	2008-02-13 02:58:33 +00:00
Transforms	Re-apply the patch to improve the optimizations of memcpy's, with several	2008-02-12 21:15:18 +00:00
VMCore	check that terminators only occur at the end of a block. This catches the	2008-02-09 01:06:01 +00:00
Makefile	remove attribution from lib Makefiles.	2007-12-29 20:09:26 +00:00