Chris Lattner 7e40f63428 When inserting PHI nodes, don't insert any phi nodes that are obviously ... unneccesary. This allows us to delete several hundred phi nodes of the form PHI(x,x,x,undef) from 253.perlbmk and probably other programs as well. This implements Mem2Reg/UndefValuesMerge.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17098 91177308-0d34-0410-b5e6-96231b3b80d8		2004-10-17 21:25:56 +00:00
..
Hello	Update to reflect changes in Makefile rules.	2004-10-13 11:46:52 +00:00
Instrumentation	Update to reflect changes in Makefile rules.	2004-10-13 11:46:52 +00:00
IPO	Add support for the undef value. Implement a new optimization based on globals	2004-10-16 18:09:00 +00:00
Scalar	hasConstantValue will soon return instructions that don't dominate the PHI node,	2004-10-17 21:22:38 +00:00
Utils	When inserting PHI nodes, don't insert any phi nodes that are obviously	2004-10-17 21:25:56 +00:00
ExprTypeConvert.cpp	Add includes and use std:: for standard library calls to make code	2004-09-28 14:42:44 +00:00
LevelRaise.cpp	Prototype more accurately	2004-09-20 04:43:57 +00:00
Makefile	Added LLVM copyright notice to Makefiles.	2003-10-20 22:26:57 +00:00
Makefile.am	Update to reflect changes in Makefile rules.	2004-10-13 11:46:52 +00:00
TransformInternals.cpp	Merge i*.h headers into Instructions.h as part of bug403.	2004-07-29 12:17:34 +00:00
TransformInternals.h	Put all LLVM code into the llvm namespace, as per bug 109.	2003-11-11 22:41:34 +00:00