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044e5337f5
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18251 Commits

Author SHA1 Message Date
Chris Lattner
044e5337f5 reenable this xform, whoops :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35765 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-08 08:01:49 +00:00
Chris Lattner
6cae0e06ac Fix regression on Instcombine/apint-or2.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35763 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-08 07:55:22 +00:00
Chris Lattner
c5e7ea49eb Generalize the code that handles (A&B)|(A&C) to work where B/C are not constants. 
Add a new xform to simplify (A&B)|(~A&C).  THis implements InstCombine/or2.ll:test1


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35760 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-08 07:47:01 +00:00
Chris Lattner
5cef3c6eb7 implement a fixme: move optimizations for fwrite out of fputs into a new 
fwrite optimizer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35758 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-08 07:00:35 +00:00
Nick Lewycky
a397ce1cc2 Remove DominatorSet usage from LoopSimplify. Patch from Owen Anderson. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35757 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-08 01:04:30 +00:00
Nick Lewycky
51bc779096 Don't crash when encountering a BasicBlock that hasn't been registered yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35756 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-08 01:02:12 +00:00
Chris Lattner
0cd3a23d2a Significantly simplify the clients of GetConstantStringInfo, by having it 
just return the string itself.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35755 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 21:58:02 +00:00
Chris Lattner
73f5d42a97 Fix problems in the sprintf optimizer 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35754 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 21:17:51 +00:00
Chris Lattner
3492cda48f Change CastToCStr to take a pointer instead of a reference. 
Fix some miscompilations in fprintf optimizer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35753 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 21:04:50 +00:00
Jeff Cohen
31102896e5 Unbreak VC++ build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35751 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 20:47:27 +00:00
Chris Lattner
af33e6579a Fix an off-by-one error that broke Prolangs/deriv2 with llc on x86 
and Prolangs-C/cdecl


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35749 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 20:19:08 +00:00
Reid Spencer
a021d5d81a Avoid a useless temporary constrution. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35747 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 19:51:45 +00:00
Reid Spencer
44218f9a7e Fix another PathWithStatus issue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35744 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 19:45:30 +00:00
Reid Spencer
c74b461507 For PR1291: 
Change uses of sys::Path class to sys::PathWithStatus in those places where
the file status information is needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35743 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 18:53:16 +00:00
Reid Spencer
2ae9d11b7c For PR1291: 
Implement the PathWithStatus class and its use throughout lib/System.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35742 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 18:52:17 +00:00
Owen Anderson
e9ed4452bc Add DomSet back, and revert the changes to LoopSimplify. Apparently the 
ETForest updating mechanisms don't work as I thought they did.  These changes
will be reapplied once the issue is worked out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35741 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 18:23:27 +00:00
Zhou Sheng
414de4df41 Eliminate unnecessary APInt construction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35740 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 17:48:27 +00:00
Zhou Sheng
fdc1e16dcf Make APInt variables do the computation stuffs instead of 
ConstantExpr::getXX if possible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35738 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 17:40:57 +00:00
Zhou Sheng
8342836d70 Eliminate unnecessary zext/trunc stuffs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35737 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 17:12:38 +00:00
Nick Lewycky
ac4d664d45 Add support for cast instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35734 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 15:48:32 +00:00
Nick Lewycky
e32157c609 Add signExtend to ConstantRange, to complement zeroExtend and truncate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35733 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 15:41:33 +00:00
Owen Anderson
ba43963e96 Completely purge DomSet. This is the (hopefully) final patch for PR1171. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35731 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 07:17:27 +00:00
Owen Anderson
4f9e58ecdf Completely purge DomSet from LoopSimplify. This is part of the 
continuing work on PR1171.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35730 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 06:56:47 +00:00
Owen Anderson
a3ca0b648c BreakCriticalEdges does still preserve DominatorTree. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35729 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 05:57:09 +00:00
Owen Anderson
2d43519454 Expunge DomSet from BreakCriticalEdges. This is part of the continuing 
work for PR 1171.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35728 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 05:49:29 +00:00
Chris Lattner
ee2b32082e Fix a bug in my earlier commit which exposed positional options backwards. 
This fixes llvm-ar.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35727 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 05:38:53 +00:00
Owen Anderson
c6fcf29e81 Expunge DomSet from CodeExtractor. This is part of the continuing work 
on PR1171.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35726 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 05:31:27 +00:00
Nick Lewycky
a995d920d5 Support NE inequality in ValueRanges. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35724 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 04:49:12 +00:00
Owen Anderson
46b58f7869 Expunge DomSet from LoadValueNumbering. This is part of the continuing 
work on PR1171.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35723 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 04:43:07 +00:00
Owen Anderson
d44008ae40 Expunge a bunch of uses of DomSet from LoopSimplify. Many more remain. 
This is the beginning of work for PR1171.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35720 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 04:37:14 +00:00
Nick Lewycky
f3a9e368f6 Cleanup. Refactor out the applying of value ranges to its own method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35719 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 03:36:51 +00:00
Nick Lewycky
b01c77e137 Use TargetData to find the size of a type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35718 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 03:16:12 +00:00
Nick Lewycky
8ac40dd747 Strengthen icmp snuggling by doing 'compare-or-equal-to' to 'compare' 
first and then range testing second.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35715 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 02:30:14 +00:00
Devang Patel
c4625da483 Add loop rotation pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35714 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 01:25:15 +00:00
Chris Lattner
045af54275 fix a miscompilation in printf optimizer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35713 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 01:18:36 +00:00
Chris Lattner
ef4fd35726 trunc to bool no longer compares against zero 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35712 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 01:03:46 +00:00
Chris Lattner
71bf3e2ef9 cleanups for strlen optimizer 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35711 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 01:02:00 +00:00
Chris Lattner
679d7188c7 Introduce a new ReplaceCallWith method, which simplifies a lot of code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35710 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 00:42:32 +00:00
Chris Lattner
db895b82a3 fixes for strcpy optimizer 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35709 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 00:26:18 +00:00
Chris Lattner
7b50c8f278 Fix bugs in strncmp. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35708 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 00:06:57 +00:00
Chris Lattner
ceb375ecf2 fix 3 miscompilations and several compielr crashes in strcmp optimizer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35707 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-07 00:01:51 +00:00
Chris Lattner
6897fe5861 Fix several nasty bugs in the strchr optimizer, this fixes 
SimplifyLibCalls/2007-04-06-strchr-miscompile.ll and PR1307


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35706 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-06 23:38:55 +00:00
Chris Lattner
09c11aa7f5 clean up strcat optimizer, no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35704 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-06 22:59:33 +00:00
Chris Lattner
c8e1741bb9 rename getConstantStringLength -> GetConstantStringInfo. Make it return 
the start index of the array as well as the length.  No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35703 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-06 22:54:17 +00:00
Chris Lattner
9878d6ae3a 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35701 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-06 21:06:55 +00:00
Chris Lattner
4802d90ca8 implement Transforms/InstCombine/malloc2.ll and PR1313 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35700 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-06 18:57:34 +00:00
Chris Lattner
e303ac9052 minor comment fix 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35696 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-06 17:47:14 +00:00
Reid Spencer
5a1ebb3c99 For PR1209: 
Implement Type class's ContainedTys without using a std::vector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35693 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-06 02:02:20 +00:00
Chris Lattner
af035f3460 remove the dead removeArgument method, rename Options to OptionsMap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35690 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-05 21:58:17 +00:00
Chris Lattner
4913bf47fd Fix Transforms/GlobalOpt/2007-04-05-Crash.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35689 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-05 21:09:42 +00:00