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Author SHA1 Message Date
Chris Lattner
c32b30a429 Implement select.ll:test[3-6] 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12544 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-30 19:37:13 +00:00
Chris Lattner
6d0996866c Add some testcases for select simplification 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12543 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-30 19:36:54 +00:00
Chris Lattner
6f2ab04e91 Fix a fairly major performance problem. If a PHI node had a constant as 
an incoming value from a block, the selector would evaluate the constant
at the TOP of the block instead of at the end of the block.  This made the
live range for the constant span the entire block, increasing register
pressure needlessly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12542 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-30 19:10:12 +00:00
Chris Lattner
5abd61f6d9 Add the select lowering pass to get initial support for select instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12541 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-30 18:41:59 +00:00
Chris Lattner
18bdbc3dda Add a simple select instruction lowering pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12540 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-30 18:41:10 +00:00
Chris Lattner
fc33d30446 Add some new methods 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12539 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-30 00:20:08 +00:00
Brian Gaeke
eb8863db90 Don't warn about a null live range if the Value is a ConstantIntegral. 
Otherwise, if you're in debugging mode, you get warnings for (apparently)
every immediate constant in the function during reg. allocation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12538 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-29 21:58:41 +00:00
Brian Gaeke
47b716483e Change how the beginnings and ends of MachineFunctions are printed. Get 
rid of the funny cast.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12537 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-29 21:58:31 +00:00
Chris Lattner
db81395452 Adjust to new itf 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12534 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-29 20:42:49 +00:00
Chris Lattner
62fe9b59c1 Relax the interface a bit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12533 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-29 20:42:38 +00:00
John Criswell
d179961d40 Merged in RELEASE_12. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12532 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-29 20:23:11 +00:00
John Criswell
8130a38321 Merged in RELEASE_12. 
This fixes the zlib linking problems.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12531 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-29 20:22:30 +00:00
Chris Lattner
d25e3ecb3c Handle -0.0 correctly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12530 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-29 19:51:24 +00:00
Chris Lattner
c50bbc9613 Add a faq entry 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12529 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-29 19:14:35 +00:00
Chris Lattner
4dcb5401e4 Add a bunch of methods that should have been added a long time ago. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12526 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-29 02:37:53 +00:00
Chris Lattner
944cfafe76 Add another check 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12525 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-29 00:29:36 +00:00
Chris Lattner
e83593b2d3 Fix an assertion 
Contributed by Reid Spencer


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12524 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-29 00:17:20 +00:00
Chris Lattner
11cad517a1 Make error message a bit nicer. 
Contributed by Reid Spencer


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12523 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-29 00:16:01 +00:00
Chris Lattner
e3651f00e8 Add two methods which have been needed for a long time: Type::get(Un)signedVersion 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12522 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-26 21:43:22 +00:00
Chris Lattner
40bdfe5554 Make sure to get the headers from zlib correctly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12521 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-26 17:04:53 +00:00
Chris Lattner
4df1b8aa26 X % -1 == X % 1 == 0 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12520 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-26 16:11:24 +00:00
Chris Lattner
ebd985cb87 Two changes: 
#1 is to unconditionally strip constantpointerrefs out of
instruction operands where they are absolutely pointless and inhibit
optimization.  GRRR!

#2 is to implement InstCombine/getelementptr_const.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12519 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-25 22:59:29 +00:00
Chris Lattner
f6e59410ee New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12518 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-25 22:59:06 +00:00
Chris Lattner
698c4a4bbb Minor efficiency improvement, finegrainify namespacification 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12517 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-25 22:56:03 +00:00
Chris Lattner
a553f62738 Add note about setting up linux systems to directly execute LLVM bytecode files 
Fixes PR303


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12516 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-25 20:38:40 +00:00
Chris Lattner
e151259288 Hrm, we were leaking ~1M of garbage that valgrind never told us about because 
it was "reachable".  Cute.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12515 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-19 23:34:33 +00:00
Chris Lattner
6a39aa52f0 Add a dose of reality into the release notes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12510 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-19 19:22:28 +00:00
Chris Lattner
7c881dffc9 Teach the optimizer to delete zero sized alloca's (but not mallocs!) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12507 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-19 06:08:10 +00:00
Chris Lattner
f3fbddd333 New testcase, the optimizer can delete zero sized allocas 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12506 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-19 06:07:43 +00:00
Chris Lattner
76cddb08cb Perhaps the last bugfix before the release? HOPEFULLY! :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12505 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-19 04:26:04 +00:00
Chris Lattner
6b835360f1 Fix PR299: [Sparc] Code generator asserts on alloc of zero size type 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12504 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-19 04:21:43 +00:00
Chris Lattner
ab18020cbd Malloc doesn't kill a load. This patch need not go into 1.2 though. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12500 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 17:01:26 +00:00
Chris Lattner
d5fc4fcecf Fix a minor wording bug in the manual 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12496 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 14:58:55 +00:00
Chris Lattner
43aaf66a39 This is the last remaining bug that I know of in the loop extractor. The loop 
extractor has extracted hundreds of loops from the SPEC benchmarks without crashing
and without misoptimizing the programs.

This testcase could be reduced substantially more by hand, but I don't have time
to work on it right now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12495 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 06:41:59 +00:00
Chris Lattner
85c84e759e Fix a really nasty bug that was breaking ijpeg in LLC mode. We were incorrectly 
folding load instructions into other instructions across free instruction
boundaries.  Perhaps this will also fix the other strange failures?


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12494 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 06:29:54 +00:00
Chris Lattner
aa7ab53b99 Fix bug: CodeExtractor/2004-03-17-MissedLiveIns.ll 
With this fix we now successfully extract all 149 loops from 256.bzip2 without
crashing or miscompiling the program!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12493 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 05:56:32 +00:00
Chris Lattner
a930de523f New testcase, reduced from 256.bzip2 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12492 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 05:55:29 +00:00
Chris Lattner
f6e43bc796 Add statistics to the loop extractor. The loop extractor has successfully 
extracted all 63 loops for Olden/bh without crashing and without
miscompiling the program!!!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12491 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 05:46:10 +00:00
Chris Lattner
fdded9f95a Fix problem with PHI nodes having multiple predecessors from different 
exit nodes


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12490 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 05:43:18 +00:00
Chris Lattner
d07f899691 Fix CodeExtractor/2004-03-17-UpdatePHIsOutsideRegion.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12489 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 05:38:31 +00:00
Chris Lattner
fa3e86f93d New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12488 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 05:33:39 +00:00
Chris Lattner
5cc8ca6420 Seriously simplify and correct the PHI node handling code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12487 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 05:28:49 +00:00
Chris Lattner
04229c192b Fix CodeExtractor/2004-03-17-OutputMismatch.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12486 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 04:12:05 +00:00
Chris Lattner
959754e70c New testcase that crashes the code extractor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12485 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 04:10:02 +00:00
Chris Lattner
b5c1dbf503 Fix several bugs in the extractor: 
1. Names were not put on the new arguments created (ok, this just helps sanity :)
2. Fix outgoing pointer values
3. Do not insert stores for values that had not been computed
4. Fix some wierd problems with the outset calculation

This fixes CodeExtractor/2004-03-14-DominanceProblem.ll, making the extractor
work on at least one simple case!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12484 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 03:49:40 +00:00
Chris Lattner
369287bab5 The code extractor needs dominator info. Provide it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12483 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 03:48:06 +00:00
Chris Lattner
268316ee14 The code extractor needs dominator information, so we provide it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12482 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 03:47:46 +00:00
Chris Lattner
33e197b777 Prune #includes, moving the module interface to the front. Note that this 
exposed the fact that the header was not self-contained.  There is a reason
we do things :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12481 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 03:15:29 +00:00
Chris Lattner
e454c0d607 Make this header file self-contained 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12480 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-18 03:14:56 +00:00
Chris Lattner
4781bc7142 Fix a HORRIBLY NASTY bug that caused siod to stop working last night. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12479 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-17 23:22:04 +00:00