090516fe93
New testcase that crashes the assembler
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llvm-svn: 12550
2004-03-30 20:58:00 +00:00
1563983d81
Fix some serious bugs in the cmov descriptions, which didn't cause a problem because
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we never generated them
Make indentation a bit more consistent
llvm-svn: 12549
2004-03-30 20:18:02 +00:00
ef327be6ed
Start cleaning up this pass so that I can debug it.
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llvm-svn: 12548
2004-03-30 19:53:46 +00:00
f17d2d33fb
Oops, actually USE the previously computed value
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llvm-svn: 12547
2004-03-30 19:45:39 +00:00
fdf3202d69
Test general value/value selection which we can do now that we use the
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select instruction
llvm-svn: 12546
2004-03-30 19:45:11 +00:00
81bdcb90ce
Now that all the code generators support the select instruction, and the instcombine
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pass can eliminate many nasty cases of them, start generating them in the optimizers
llvm-svn: 12545
2004-03-30 19:44:05 +00:00
533bc49775
Implement select.ll:test[3-6]
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llvm-svn: 12544
2004-03-30 19:37:13 +00:00
b785d280ec
Add some testcases for select simplification
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llvm-svn: 12543
2004-03-30 19:36:54 +00:00
0048e574fb
Fix a fairly major performance problem. If a PHI node had a constant as
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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.
llvm-svn: 12542
2004-03-30 19:10:12 +00:00
1a0e9ac2f5
Add the select lowering pass to get initial support for select instructions
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llvm-svn: 12541
2004-03-30 18:41:59 +00:00
059f390257
Add a simple select instruction lowering pass
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llvm-svn: 12540
2004-03-30 18:41:10 +00:00
55481f78d3
Add some new methods
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llvm-svn: 12539
2004-03-30 00:20:08 +00:00
fd02378d3e
Don't warn about a null live range if the Value is a ConstantIntegral.
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Otherwise, if you're in debugging mode, you get warnings for (apparently)
every immediate constant in the function during reg. allocation.
llvm-svn: 12538
2004-03-29 21:58:41 +00:00
2fe0ac9ade
Change how the beginnings and ends of MachineFunctions are printed. Get
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rid of the funny cast.
llvm-svn: 12537
2004-03-29 21:58:31 +00:00
5152b9ed34
Adjust to new itf
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llvm-svn: 12534
2004-03-29 20:42:49 +00:00
8582975b62
Relax the interface a bit
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llvm-svn: 12533
2004-03-29 20:42:38 +00:00
fa2f3686a3
Merged in RELEASE_12.
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llvm-svn: 12532
2004-03-29 20:23:11 +00:00
d2ff5cf7e8
Merged in RELEASE_12.
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This fixes the zlib linking problems.
llvm-svn: 12531
2004-03-29 20:22:30 +00:00
3cdc27c868
Handle -0.0 correctly
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llvm-svn: 12530
2004-03-29 19:51:24 +00:00
87d6b404b5
Add a faq entry
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llvm-svn: 12529
2004-03-29 19:14:35 +00:00
817175f883
Add a bunch of methods that should have been added a long time ago.
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llvm-svn: 12526
2004-03-29 02:37:53 +00:00
5f126b74d3
Add another check
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llvm-svn: 12525
2004-03-29 00:29:36 +00:00
587a9f1416
Fix an assertion
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Contributed by Reid Spencer
llvm-svn: 12524
2004-03-29 00:17:20 +00:00
dd7ce6c31a
Make error message a bit nicer.
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Contributed by Reid Spencer
llvm-svn: 12523
2004-03-29 00:16:01 +00:00
04d6d9d606
Add two methods which have been needed for a long time: Type::get(Un)signedVersion
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llvm-svn: 12522
2004-03-26 21:43:22 +00:00
3aa7b9d08c
Make sure to get the headers from zlib correctly
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llvm-svn: 12521
2004-03-26 17:04:53 +00:00
56b5051428
X % -1 == X % 1 == 0
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llvm-svn: 12520
2004-03-26 16:11:24 +00:00
57c67b06e9
Two changes:
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#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
llvm-svn: 12519
2004-03-25 22:59:29 +00:00
3932cab427
New testcase
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llvm-svn: 12518
2004-03-25 22:59:06 +00:00
82d34eb470
Minor efficiency improvement, finegrainify namespacification
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llvm-svn: 12517
2004-03-25 22:56:03 +00:00
998c0674be
Add note about setting up linux systems to directly execute LLVM bytecode files
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Fixes PR303
llvm-svn: 12516
2004-03-25 20:38:40 +00:00
3922d607a5
Hrm, we were leaking ~1M of garbage that valgrind never told us about because
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it was "reachable". Cute.
llvm-svn: 12515
2004-03-19 23:34:33 +00:00
9e0b81c3e0
Add a dose of reality into the release notes
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llvm-svn: 12510
2004-03-19 19:22:28 +00:00
abb77c9959
Teach the optimizer to delete zero sized alloca's (but not mallocs!)
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llvm-svn: 12507
2004-03-19 06:08:10 +00:00
597f1da506
New testcase, the optimizer can delete zero sized allocas
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llvm-svn: 12506
2004-03-19 06:07:43 +00:00
91f297d4fe
Perhaps the last bugfix before the release? HOPEFULLY! :)
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llvm-svn: 12505
2004-03-19 04:26:04 +00:00
ba6641d598
Fix PR299: [Sparc] Code generator asserts on alloc of zero size type
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llvm-svn: 12504
2004-03-19 04:21:43 +00:00
6ca9b89abb
Malloc doesn't kill a load. This patch need not go into 1.2 though.
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llvm-svn: 12500
2004-03-18 17:01:26 +00:00
0b41ebe65c
Fix a minor wording bug in the manual
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llvm-svn: 12496
2004-03-18 14:58:55 +00:00
211ae0bf05
This is the last remaining bug that I know of in the loop extractor. The loop
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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.
llvm-svn: 12495
2004-03-18 06:41:59 +00:00
dc47e27188
Fix a really nasty bug that was breaking ijpeg in LLC mode. We were incorrectly
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folding load instructions into other instructions across free instruction
boundaries. Perhaps this will also fix the other strange failures?
llvm-svn: 12494
2004-03-18 06:29:54 +00:00
232155dc1b
Fix bug: CodeExtractor/2004-03-17-MissedLiveIns.ll
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With this fix we now successfully extract all 149 loops from 256.bzip2 without
crashing or miscompiling the program!
llvm-svn: 12493
2004-03-18 05:56:32 +00:00
2bcfcc90c8
New testcase, reduced from 256.bzip2
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llvm-svn: 12492
2004-03-18 05:55:29 +00:00
e83693560a
Add statistics to the loop extractor. The loop extractor has successfully
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extracted all 63 loops for Olden/bh without crashing and without
miscompiling the program!!!
llvm-svn: 12491
2004-03-18 05:46:10 +00:00
5bce0c807d
Fix problem with PHI nodes having multiple predecessors from different
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exit nodes
llvm-svn: 12490
2004-03-18 05:43:18 +00:00
acd75986ee
Fix CodeExtractor/2004-03-17-UpdatePHIsOutsideRegion.ll
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llvm-svn: 12489
2004-03-18 05:38:31 +00:00
4c7fcbf77b
New testcase
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llvm-svn: 12488
2004-03-18 05:33:39 +00:00
320d59f4cd
Seriously simplify and correct the PHI node handling code.
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llvm-svn: 12487
2004-03-18 05:28:49 +00:00
d8017a340d
Fix CodeExtractor/2004-03-17-OutputMismatch.ll
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llvm-svn: 12486
2004-03-18 04:12:05 +00:00
b7b099d569
New testcase that crashes the code extractor
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llvm-svn: 12485
2004-03-18 04:10:02 +00:00
Chris Lattner