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Author SHA1 Message Date
Nick Lewycky
ec51e934ef Add signExtend to ConstantRange, to complement zeroExtend and truncate. 
llvm-svn: 35733
 2007-04-07 15:41:33 +00:00
Jeff Cohen
b1e6eab93e Unbreak VC++ build. 
llvm-svn: 35732
 2007-04-07 14:31:16 +00:00
Owen Anderson
85b0e20f2a Completely purge DomSet. This is the (hopefully) final patch for PR1171. 
llvm-svn: 35731
 2007-04-07 07:17:27 +00:00
Owen Anderson
177b1a6aea Completely purge DomSet from LoopSimplify. This is part of the 
continuing work on PR1171.

llvm-svn: 35730
 2007-04-07 06:56:47 +00:00
Owen Anderson
e2add101a4 BreakCriticalEdges does still preserve DominatorTree. 
llvm-svn: 35729
 2007-04-07 05:57:09 +00:00
Owen Anderson
eb184ee17b Expunge DomSet from BreakCriticalEdges. This is part of the continuing 
work for PR 1171.

llvm-svn: 35728
 2007-04-07 05:49:29 +00:00
Chris Lattner
c1bce783e8 Fix a bug in my earlier commit which exposed positional options backwards. 
This fixes llvm-ar.

llvm-svn: 35727
 2007-04-07 05:38:53 +00:00
Owen Anderson
41bf50021d Expunge DomSet from CodeExtractor. This is part of the continuing work 
on PR1171.

llvm-svn: 35726
 2007-04-07 05:31:27 +00:00
Reid Spencer
ed3e05f699 Terminate some lines that need to be. 
llvm-svn: 35725
 2007-04-07 05:20:07 +00:00
Nick Lewycky
3e77af40ff Support NE inequality in ValueRanges. 
llvm-svn: 35724
 2007-04-07 04:49:12 +00:00
Owen Anderson
5403a248af Expunge DomSet from LoadValueNumbering. This is part of the continuing 
work on PR1171.

llvm-svn: 35723
 2007-04-07 04:43:07 +00:00
Chris Lattner
b30cb05d63 add loop rot 
llvm-svn: 35722
 2007-04-07 04:43:02 +00:00
Reid Spencer
ed64d11c33 Reinstate the SVN capability without requiring Date::Parse. As before the 
SVN Repository is only used if requested with -usesvn option otherwise it
uses CVS.

llvm-svn: 35721
 2007-04-07 04:41:16 +00:00
Owen Anderson
54c7efee4d Expunge a bunch of uses of DomSet from LoopSimplify. Many more remain. 
This is the beginning of work for PR1171.

llvm-svn: 35720
 2007-04-07 04:37:14 +00:00
Nick Lewycky
7fbec59fb4 Cleanup. Refactor out the applying of value ranges to its own method. 
llvm-svn: 35719
 2007-04-07 03:36:51 +00:00
Nick Lewycky
80cf96b3f8 Use TargetData to find the size of a type. 
llvm-svn: 35718
 2007-04-07 03:16:12 +00:00
Nick Lewycky
3ddf638983 Strengthen icmp snuggling by doing 'compare-or-equal-to' to 'compare' 
first and then range testing second.

llvm-svn: 35715
 2007-04-07 02:30:14 +00:00
Devang Patel
562df7f986 Add loop rotation pass. 
llvm-svn: 35714
 2007-04-07 01:25:15 +00:00
Chris Lattner
dbf5d6cf68 fix a miscompilation in printf optimizer. 
llvm-svn: 35713
 2007-04-07 01:18:36 +00:00
Chris Lattner
9aa0d009c1 trunc to bool no longer compares against zero 
llvm-svn: 35712
 2007-04-07 01:03:46 +00:00
Chris Lattner
312c204869 cleanups for strlen optimizer 
llvm-svn: 35711
 2007-04-07 01:02:00 +00:00
Chris Lattner
5f27ea3613 Introduce a new ReplaceCallWith method, which simplifies a lot of code. 
llvm-svn: 35710
 2007-04-07 00:42:32 +00:00
Chris Lattner
fba13c72ef fixes for strcpy optimizer 
llvm-svn: 35709
 2007-04-07 00:26:18 +00:00
Chris Lattner
02ae7ab94f Fix bugs in strncmp. 
llvm-svn: 35708
 2007-04-07 00:06:57 +00:00
Chris Lattner
d8a16e67ab fix 3 miscompilations and several compielr crashes in strcmp optimizer. 
llvm-svn: 35707
 2007-04-07 00:01:51 +00:00
Chris Lattner
c61ff0afc0 Fix several nasty bugs in the strchr optimizer, this fixes 
SimplifyLibCalls/2007-04-06-strchr-miscompile.ll and PR1307

llvm-svn: 35706
 2007-04-06 23:38:55 +00:00
Chris Lattner
afb410f066 testcase for PR1307 
llvm-svn: 35705
 2007-04-06 23:36:59 +00:00
Chris Lattner
bfad67243a clean up strcat optimizer, no functionality change. 
llvm-svn: 35704
 2007-04-06 22:59:33 +00:00
Chris Lattner
d03767c332 rename getConstantStringLength -> GetConstantStringInfo. Make it return 
the start index of the array as well as the length.  No functionality change.

llvm-svn: 35703
 2007-04-06 22:54:17 +00:00
Jeff Cohen
aca01bd6fd Track new header file. 
llvm-svn: 35702
 2007-04-06 22:30:07 +00:00
Chris Lattner
0160bf7114 rearchitect the registration mechanism used by the command line option stuff. 
This dramatically reduce the amount of memory allocated by the commandline stuff
at static init time, changing it to build local data structures when ParseCommandLineOptions
is called.  In a dummy empty program that links some llvm libraries, this reduces
the number of malloc'd bytes from 4864 to 3360 on entry to main.  Most of that
memory is now allocated by non-commandline related stuff.

llvm-svn: 35701
 2007-04-06 21:06:55 +00:00
Chris Lattner
03c84be56b implement Transforms/InstCombine/malloc2.ll and PR1313 
llvm-svn: 35700
 2007-04-06 18:57:34 +00:00
Chris Lattner
d76ec48916 new testcase, update old one. 
llvm-svn: 35699
 2007-04-06 18:56:54 +00:00
Chris Lattner
d0cc2333d1 Switch some vectors to smallvectors. This reduces amount of malloc'd 
memory that occurs before main starts from 5104 to 4864 bytes with a dummy
example app.

llvm-svn: 35698
 2007-04-06 18:36:18 +00:00
Chris Lattner
2f1c6daeae Eliminate unneeded virtual methods 
llvm-svn: 35697
 2007-04-06 18:06:27 +00:00
Chris Lattner
b39a2df066 minor comment fix 
llvm-svn: 35696
 2007-04-06 17:47:14 +00:00
Reid Spencer
5d36a01dba For PR1209: 
Implement Type class's ContainedTys without using a std::vector.

llvm-svn: 35693
 2007-04-06 02:02:20 +00:00
Reid Spencer
f71d4af0e5 XFAIL this test for now. It will be a while before I can implement this 
intrinsic properly in SDISel.

llvm-svn: 35692
 2007-04-05 22:57:45 +00:00
Chris Lattner
4272783ca4 eliminate a virtual method 
llvm-svn: 35691
 2007-04-05 22:21:39 +00:00
Chris Lattner
d33f94f2d2 remove the dead removeArgument method, rename Options to OptionsMap. 
llvm-svn: 35690
 2007-04-05 21:58:17 +00:00
Chris Lattner
19b9e90f9c Fix Transforms/GlobalOpt/2007-04-05-Crash.ll 
llvm-svn: 35689
 2007-04-05 21:09:42 +00:00
Chris Lattner
0cb31c668d new testcase that crashes globalopt 
llvm-svn: 35688
 2007-04-05 21:09:29 +00:00
Dale Johannesen
1fcb4c2cfe testcase for padding before zero-length fields. 
llvm-svn: 35687
 2007-04-05 19:05:43 +00:00
Devang Patel
fd1c6bb60f New tests for Packed structs. 
llvm-svn: 35686
 2007-04-05 17:14:21 +00:00
Devang Patel
bc8a8a6327 New tests for Packed structs. 
llvm-svn: 35685
 2007-04-05 17:07:48 +00:00
Chris Lattner
17045ee2d5 run a late dce pass to clean up extra cruft. 
llvm-svn: 35684
 2007-04-05 16:50:20 +00:00
Anton Korobeynikov
ceb6667a6f Fix test 
llvm-svn: 35683
 2007-04-05 16:43:09 +00:00
Chris Lattner
d39ae2fa6d Add a helper class (APSInt) which can represent an APInt along with sign 
information.  This is useful when a value does have a sign associated with
it.  This shouldn't be used generally in LLVM for mid-level optimizer stuff.

llvm-svn: 35681
 2007-04-05 05:20:11 +00:00
Chris Lattner
997967979f Use a worklist-driven algorithm instead of a recursive one. 
llvm-svn: 35680
 2007-04-05 01:27:02 +00:00
Reid Spencer
aad0b4536b Change the bit_part_select (non)implementation from "return 0" to abort. 
llvm-svn: 35679
 2007-04-05 01:20:18 +00:00