159 Commits

Author	SHA1	Message	Date
Bill Wendling	38236ef6cb	Need to grow the indexed map. Added debug statements. ... llvm-svn: 44892	2007-12-11 23:27:51 +00:00
Bill Wendling	642e15a7cb	Simplify slightly. ... llvm-svn: 44881	2007-12-11 22:22:22 +00:00
Bill Wendling	b678ae7c38	Blark! How in the world did this work without this?! ... llvm-svn: 44874	2007-12-11 19:40:06 +00:00
Bill Wendling	7717a8a37d	- Update the virtual reg to machine instruction map when hoisting. ... - Fix subtle bug when creating initially creating this map. llvm-svn: 44873	2007-12-11 19:17:04 +00:00
Bill Wendling	5143d898c8	Checking for "zero operands" during the "CanHoistInst()" method isn't necessary ... because those with side effects will be caught by other checks in here. Also, simplify the check for a BB in a sub loop. llvm-svn: 44871	2007-12-11 18:45:11 +00:00
Bill Wendling	3f19dfe794	Reverting 44702. It wasn't correct to rename them. ... llvm-svn: 44727	2007-12-08 23:58:46 +00:00
Bill Wendling	2b07d8c5a0	Renaming: ... isTriviallyReMaterializable -> hasNoSideEffects isReallyTriviallyReMaterializable -> isTriviallyReMaterializable llvm-svn: 44702	2007-12-08 07:17:56 +00:00
Bill Wendling	4375173ba0	Incorporated comments from Evan and Chris: ... http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20071203/056043.html http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20071203/056048.html llvm-svn: 44696	2007-12-08 01:47:01 +00:00
Bill Wendling	fb706bc52b	Initial commit of the machine code LICM pass. It successfully hoists this: ... _foo: li r2, 0 LBB1_1: ; bb li r5, 0 stw r5, 0(r3) addi r2, r2, 1 addi r3, r3, 4 cmplw cr0, r2, r4 bne cr0, LBB1_1 ; bb LBB1_2: ; return blr to: _foo: li r2, 0 li r5, 0 LBB1_1: ; bb stw r5, 0(r3) addi r2, r2, 1 addi r3, r3, 4 cmplw cr0, r2, r4 bne cr0, LBB1_1 ; bb LBB1_2: ; return blr ZOMG!! :-) Moar to come... llvm-svn: 44687	2007-12-07 21:42:31 +00:00