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c2cfa6111d
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18148 Commits

Author SHA1 Message Date
Zhou Sheng
c2cfa6111d Eliminate unnecessary APInt construction. 
llvm-svn: 35740
 2007-04-07 17:48:27 +00:00
Zhou Sheng
7bcd47dbc1 Make APInt variables do the computation stuffs instead of 
ConstantExpr::getXX if possible.

llvm-svn: 35738
 2007-04-07 17:40:57 +00:00
Zhou Sheng
21dfc2107a Eliminate unnecessary zext/trunc stuffs. 
llvm-svn: 35737
 2007-04-07 17:12:38 +00:00
Nick Lewycky
e6cb3e2433 Add support for cast instructions. 
llvm-svn: 35734
 2007-04-07 15:48:32 +00:00
Nick Lewycky
ec51e934ef Add signExtend to ConstantRange, to complement zeroExtend and truncate. 
llvm-svn: 35733
 2007-04-07 15:41:33 +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
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
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
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
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
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
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
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
Reid Spencer
6eb55df794 Implement the llvm.bit.part_select.iN.iN.iN overloaded intrinsic. 
llvm-svn: 35678
 2007-04-04 23:48:25 +00:00
Reid Spencer
a72beea861 Squelch a warning about mismatch between sign of constant and sign of return 
type.

llvm-svn: 35674
 2007-04-04 22:07:24 +00:00
Anton Korobeynikov
e16f421e0e Properly emit range comparisons for switch cases, where neighbour cases 
go to the same destination. Now we're producing really good code for
switch-lower-feature.ll testcase

llvm-svn: 35672
 2007-04-04 21:14:49 +00:00
Dale Johannesen
fb15913194 Prevent transformConstExprCastCall from generating conversions that assert 
elsewhere.

llvm-svn: 35668
 2007-04-04 19:16:42 +00:00
Chris Lattner
ed593d6789 stringmap memory managed with malloc now 
llvm-svn: 35666
 2007-04-04 17:24:28 +00:00
Jeff Cohen
01d4afe6da Fix 2007-04-04-BadFoldBitcastIntoMalloc.ll 
llvm-svn: 35665
 2007-04-04 16:58:57 +00:00
Evan Cheng
b7ec9433b3 Re-materialize all loads from fixed stack slots. 
llvm-svn: 35660
 2007-04-04 07:40:01 +00:00
Evan Cheng
48b94106d6 Trivially re-materializable instructions have spill weights that are half of what it would be otherwise. 
llvm-svn: 35658
 2007-04-04 07:04:55 +00:00
Reid Spencer
d8c3813f51 For PR1302: 
Use local variable names that match the function parameter name that it
is passed to so the code is more clear, to wit: is_bytecode -> is_native

llvm-svn: 35656
 2007-04-04 06:44:18 +00:00
Duncan Sands
de998e6599 Fix comment. 
llvm-svn: 35655
 2007-04-04 06:42:45 +00:00
Reid Spencer
87ede33a19 For PR1302: 
Implement file tests for both LinkInLibrary and LinkInFile to determine if
the file is native. Don't generate warnings if the file is native.

llvm-svn: 35653
 2007-04-04 06:33:17 +00:00
Reid Spencer
6df393cf38 For PR1302: 
Adjust useage of sys::Path::FileType for new enumerator names.

llvm-svn: 35651
 2007-04-04 06:31:04 +00:00
Reid Spencer
e825ec8a72 For PR1302: 
Implement recognition of COFF, ELF and Mach-O object/shared lib files.

llvm-svn: 35650
 2007-04-04 06:30:26 +00:00
Chris Lattner
8a4ca643dd use calloc instead of new/memset, it is more efficient 
llvm-svn: 35644
 2007-04-04 00:44:31 +00:00