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Author SHA1 Message Date
Chris Lattner
41dc0fcb68 Teach masked value is zero about add and sub, and use MVIZ to 
simplify things like (X & 4) >> 1 == 2  --> (X & 4) == 4.

since it is obvious that the shift doesn't remove any bits.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48631 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-21 05:19:58 +00:00
Evan Cheng
fa5a91a71e Undo 48570. Correctly match mmx shift instructions with an immediate operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48627 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-21 00:40:09 +00:00
Gabor Greif
2197b8092c ignore the Output/ directory 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48626 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-21 00:10:42 +00:00
Gabor Greif
490e69f03c this directory is accidentally added 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48625 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-21 00:03:49 +00:00
Devang Patel
9f83512ce8 These passes preserve CFG. 
This patch fixes Benchmarks/Trimaran/enc-pc1/enc-pc1 failure reported by Grawp-PIC i386 nightly tester


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48623 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 23:27:18 +00:00
Devang Patel
488b678a49 Incorporate feedback. 
- Fix loop nest.
- Use RetVals.size()
- Check for null return value.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48605 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 18:30:32 +00:00
Gordon Henriksen
69cf031ee3 C and Objective Caml bindings for mem2reg and reg2mem. 
Patch by Erick Tryzelaar.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48602 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 17:16:03 +00:00
Andrew Lenharth
52d34d94c8 enable -analyze for andersens 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48601 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 15:36:44 +00:00
Zhou Sheng
2b3407f5b3 Take the old function's name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48588 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 08:05:05 +00:00
Nick Lewycky
6eabd74d1a ubyte and sbyte? what are those? 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48585 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 06:19:51 +00:00
Chris Lattner
f70107fe1c add a note. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48583 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 04:46:13 +00:00
Christopher Lamb
b9b0428004 Check even more carefully before applying this DAGCombine transform. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48580 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 04:31:39 +00:00
Devang Patel
4f4c28f75f Restore isCFGOnly property of various analysis passes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48579 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 02:25:21 +00:00
Evan Cheng
260e07ec8c Fix this xform: (sra (shl X, m), result_size) -> (sign_extend (trunc (shl X, result_size - n - m))) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48578 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 02:18:41 +00:00
Chris Lattner
71a2cb25eb detabify llvm, patch by Mike Stump! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48577 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 01:22:40 +00:00
Devang Patel
bed7e68498 Keep track of analysis information inherited from Module pass manager. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48576 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 01:09:53 +00:00
Scott Michel
79698f60c4 Add more patterns to match in the integer comparison test harnesses. 
Fix bugs encountered, mostly due to range matching for immediates;
the CellSPU's 10-bit immediates are sign extended, covering a
larger range of unsigned values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48575 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 00:51:36 +00:00
Evan Cheng
71d83741d2 80 col violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48573 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 00:20:23 +00:00
Evan Cheng
dff1dcac6c Add intrinsics to match mmx shift builtin's with immediate operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48569 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 23:38:52 +00:00
Devang Patel
ac3844d3f9 Add comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48567 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 23:05:52 +00:00
Andrew Lenharth
230293b4c5 style and spelling 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48562 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 22:32:43 +00:00
Devang Patel
b9c432fe77 #if 1 .. #endif markers do not add any value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48560 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 22:24:25 +00:00
Evan Cheng
55e641b766 Remove dead options. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48556 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 22:02:26 +00:00
Devang Patel
c758209153 PassInfo keep tracks whether a pass is an analysis pass or not. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48554 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 21:56:59 +00:00
Dan Gohman
7925ed05d0 Add support for multiple return values for the PPC target by 
converting call result lowering to use the CallingConvLowering
infastructure.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48552 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 21:39:28 +00:00
Andrew Lenharth
50b5742157 llvm-ld deserves disable-verify too. opt shouldn't have all the fun options. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48550 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 20:49:51 +00:00
Arnold Schwaighofer
4fe3073cfb Don't loose incoming argument registers. Fix documentation style. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48545 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 16:39:45 +00:00
Duncan Sands
c35595fd2a Fix comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48543 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 10:59:59 +00:00
Christopher Lamb
15cbde3cf6 Fix X86's isTruncateFree to not claim that truncate to i1 is free. This fixes Bill's testcase that failed for r48491. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48542 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 08:30:06 +00:00
Tanya Lattner
e6d5d39c07 Upgrade tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48538 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 07:28:33 +00:00
Tanya Lattner
ce7d5db4d8 Upgrade tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48536 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 05:39:35 +00:00
Chris Lattner
d8ff3caaa0 add some convenience methods for creating GEP instructions and 
struct types.  Patch by David Chisnall, with some tweaks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48531 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 05:06:05 +00:00
Tanya Lattner
7f40dea2f1 Upgrade tests to not use llvm-upgrade. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48530 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 04:36:04 +00:00
Tanya Lattner
f396cc8730 Upgrade tests to not use llvm-upgrade. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48529 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 04:14:49 +00:00
Gordon Henriksen
3400097966 C bindings for Module-, Function-, and BasicBlock::iterator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48528 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 03:47:18 +00:00
Tanya Lattner
3a4c856323 Remove llvm-upgrade and update tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48527 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 03:47:13 +00:00
Evan Cheng
82a6d23700 Fixed a coalescer bug caused by a typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48526 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 02:26:36 +00:00
Gordon Henriksen
dc1ce7bdc6 C and Objective Caml bindings for the various getParent methods of the IR. 
Based on Erick Tryzelaar's patch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48523 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 01:11:35 +00:00
Evan Cheng
94202018c5 Fix live variables issues: 
1. If part of a register is re-defined, an implicit kill and an implicit def are added to denote read / mod / write. However, this should only be necessary if the register is actually read later. This is a performance issue.
2. If a sub-register is being defined, and it doesn't have a previous use, do not add a implicit kill to the last use of a super-register:
   = EAX, AX<imp-use,kill>
...
AX =
In this case, EAX is live but AX is killed, this is wrong and will cause the coalescer to do bad things.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48521 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 00:52:20 +00:00
Devang Patel
c7fe32e840 Do not use virtual function to identify an analysis pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48520 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 00:48:41 +00:00
Bill Wendling
bebc3642d3 On Darwin, GCC issues a ".globl" for something that has a "visibility protected" 
attribute instead of ".protected".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48516 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 23:38:12 +00:00
Evan Cheng
586ccac4ec Fix a x86-64 isel lowering bug that's been around forever. A x86-64 varargs function implicitly reads X86::AL, don't clobber it! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48515 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 23:36:35 +00:00
Scott Michel
050bc81936 Note that gcc 4.0.1 will trip internal LLVM asserts (e.g., pred_iterator) if compiling 
for Release with optimization levels greater than -O0.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48513 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 23:13:26 +00:00
Bill Wendling
dbfd894561 It might be nice to have this run as x86 on non-x86 platforms... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48511 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 22:38:22 +00:00
Bill Wendling
2974e49019 Temporarily revert r48491. It's breaking test/CodeGen/X86/xorl.ll. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48510 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 22:29:51 +00:00
Daniel Berlin
d3bf1aef3f Fix PR 2160 by making sure arguments to external functions get marked as pointing to anything 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48509 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 22:22:53 +00:00
Tanya Lattner
856ce2da14 Do not pass -g flag when compiling tests, so remove the C.Flags. This only happens if you have a debug build of llvm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48498 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 19:59:04 +00:00
Dale Johannesen
cf49819877 Make conversions of i8/i16 to ppcf128 work. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48493 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 17:28:38 +00:00
Scott Michel
acddf9d019 Dial down gcc's warnings: don't use 0UL when 0U suffices (and when the 
variables and methods themselves only use unsigned.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48492 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 16:55:06 +00:00
Christopher Lamb
981576c818 Target independent DAG transform to use truncate for field extraction + sign extend on targets where this is profitable. Passes nightly on x86-64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48491 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 16:46:39 +00:00