Chris Lattner
c23396e8de
Disable tail duplication in any "hard" cases, where it might break SSA form.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11052 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-01 06:32:28 +00:00
Chris Lattner
d4baf0f74c
Fix a bug in a recent checkin
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11050 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-01 05:25:07 +00:00
Chris Lattner
e400a0976f
Fix the count of the number of instructions removed
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11049 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-01 05:15:07 +00:00
Alkis Evlogimenos
676cf8cb1d
Missed one silly assert :-)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11048 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-01 02:21:31 +00:00
Alkis Evlogimenos
01e74a2aab
Simplify joinIntervals() code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11047 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-01 02:18:31 +00:00
Chris Lattner
fff663b47a
Remove all of the annoying statistics now that I'm finished (for the near
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term) working on bytecode size stuff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11046 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-01 01:50:31 +00:00
Alkis Evlogimenos
4f67b86648
Use MRegisterInfo::isPhysicalRegister and
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MRegisterInfo::isVirtualRegister.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11045 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-01 01:27:01 +00:00
Chris Lattner
b97e2788ff
Fix a crasher bug in my constant folding rewrite
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11044 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-01 01:23:19 +00:00
Chris Lattner
338733fdd2
Print an error message if we can't materialize the bytecode file
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11043 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-01 01:07:25 +00:00
Chris Lattner
369b123bc7
Add comments
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11042 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-01 00:32:48 +00:00
Chris Lattner
da79bd2322
Print an error message if there is an error materialize the bc file.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11041 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-01 00:32:35 +00:00
Alkis Evlogimenos
52220f61bb
Apply final part of Chris' patch.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11040 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-31 23:48:47 +00:00
Alkis Evlogimenos
02ba13c989
Be a little smarter on the way we handle physical register defs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11038 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-31 23:13:30 +00:00
Chris Lattner
ef09c63e7b
Finegrainify namespacification, use new MRegisterInfo::isVirtualRegister
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method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11037 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-31 21:27:19 +00:00
Chris Lattner
6b50767905
Fix, correctly this time, the computation of the return value
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Fix a spello
Tighten up the assertion checking
No functionality changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11036 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-31 21:21:43 +00:00
Chris Lattner
163c1e7a69
* Fix incorrect computation of the runOnMachineFunction return value
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* Turn a bunch of instance variables into automatic variables
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11035 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-31 21:14:04 +00:00
Chris Lattner
bd91c1c376
Remove unneeded #includes
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Move Passes.h (which defines the interface to this file) to the top.
Move statistics to the top of the file.
Add a comment
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11034 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-31 21:07:15 +00:00
Chris Lattner
a67138ddff
Avoid referencing deleted DSgraphs when merging an SCC into a larger SCC. This
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fixes the crash in 176.gcc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11033 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-31 21:02:18 +00:00
Alkis Evlogimenos
08cec00588
Merge safe parts from last night's buggy commit. These do not break
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any test cases :-)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11032 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-31 19:59:32 +00:00
Chris Lattner
bd490d919b
Add two static methods to avoid having client code explicitly compare against
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FirstVirtualRegister
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11031 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-31 19:57:11 +00:00
Alkis Evlogimenos
97017de187
Optimize liveAt() and overlaps(). We now use a binary search instead
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of a linear search to find the first range for comparisons. This cuts
down the linear scan register allocator running time by a factor of 3
in 254.perlbmk and by a factor of 2.2 in 176.gcc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11030 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-31 16:54:54 +00:00
Alkis Evlogimenos
4d46e1e521
Revert last night's changes as they broke some tests. Will remerge parts of the patch.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11029 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-31 14:37:41 +00:00
Alkis Evlogimenos
32bdd4ea65
Several performance enhancements and cleanups from Chris.
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Simplification of LiveIntervals::Interval::overlaps() and addition of
examples to overlaps() and liveAt() to make them clearer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11028 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-31 04:56:07 +00:00
Chris Lattner
a4dd6743e7
Fix thinko
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11027 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-30 22:48:02 +00:00
Chris Lattner
847df25e7d
Add some comments sketching out how this is to work eventually.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11026 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-30 22:25:18 +00:00
Chris Lattner
79b13735ad
Add a new flag, which is only used for symmetry.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11025 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-30 22:24:18 +00:00
Chris Lattner
92e41d5982
Forward method request to chained aa implementation
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11024 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-30 22:20:55 +00:00
Chris Lattner
7f430a5049
New testcase for better mod/ref information that basicaa can provide
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11023 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-30 22:18:47 +00:00
Chris Lattner
bc1daaa8bb
Implement the pointsToConstantMemory() method.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11022 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-30 22:17:24 +00:00
Chris Lattner
f4d904d7e3
Improve mod/ref information based on the pointsToConstantMemory method.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11021 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-30 22:16:42 +00:00
Chris Lattner
762e8e846f
Add a new pointsToConstantMemory method to the AliasAnalysis interface
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which can be implemented to improve the quality of mod-ref information.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11020 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-30 22:15:41 +00:00
Chris Lattner
cf93cdde56
Add (currently disabled) support to the instruction selector to only insert
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FP_REG_KILL instructions at the end of blocks involved with critical edges.
Fix a bug where FP_REG_KILL instructions weren't inserted in fall through
unconditional branches. Perhaps this will fix some linscan problems?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11019 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-30 22:13:44 +00:00
Chris Lattner
49a5aaacef
Finegrainify namespacification
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Implement LiveVariables::getIndexMachineBasicBlock
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11018 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-30 22:08:53 +00:00
Chris Lattner
43549f710a
Add a new lazily constructed mapping from Idx's the MBB they represent
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11017 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-30 22:08:09 +00:00
Brian Gaeke
09caa3751f
Give clients of MachineFunctionPrinter the ability to specify a banner and
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choose an ostream.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11016 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-30 21:53:46 +00:00
Misha Brukman
10d208d7b1
Order #includes alphabetically, per style guide.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11015 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-30 17:26:24 +00:00
Misha Brukman
fbdf4bf179
Doxygenify comments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11014 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-30 17:22:50 +00:00
Chris Lattner
ead9eb75d7
Fix a bug aflicting 265.gap
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11006 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-29 08:36:22 +00:00
Chris Lattner
17a93e2e1b
Minor bugfixes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11005 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-29 03:32:15 +00:00
Brian Gaeke
7e9bd80193
I think this is a more robust fix for the Solaris wchar problems (PR206).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11004 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-28 20:54:41 +00:00
Misha Brukman
7c791ed0a4
Hyphenate `target-dependent'
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11003 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-28 20:43:01 +00:00
Brian Gaeke
97374d40d0
Add a new (static inline) std::ostream& << AllocInfo& method. Use it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11002 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-28 19:05:43 +00:00
Chris Lattner
62482e5649
Rename DSGraph::ScalarMapTy -> DSScalarMap
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11001 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-28 09:15:42 +00:00
Chris Lattner
28da03b0fe
Fix a bug
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11000 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-28 03:31:34 +00:00
Chris Lattner
a3fd88d01f
Eliminate the call to removeTriviallyDeadNodes from updateFromGlobals graph,
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moving it to the start of removeDeadNodes. This speeds up DSA by 2s on perlbmk
from 41s
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10999 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-28 03:24:41 +00:00
Chris Lattner
6d8f3dcd75
In the TD pass, iterate over globals directly instead of through the whole scalar
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map. This saves 5s in the TD pass, from 22->17s on perlbmk
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10998 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-28 03:12:48 +00:00
Chris Lattner
34741cf0dd
In the TD pass, don't iterate over the scalar map to find the globals, iterate over
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the globals directly. This doesn't save any substantial time, however, because the
globals graph only contains globals!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10997 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-28 03:07:30 +00:00
Chris Lattner
bdce7b7844
In updateFromGlobalsGraph, instead of iterating over all of the scalars in the
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function to find the globals, iterate over all of the globals directly. This
speeds the function up from 14s to 6.3s on perlbmk, reducing DSA time from
53->46s.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10996 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-28 03:03:06 +00:00
Chris Lattner
14c67ccf02
Keep track of all of the globals inserted into the scalar map
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10995 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-28 03:01:22 +00:00
Chris Lattner
18348fe201
Pull the ScalarMap out into something that is more structured than what we had
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before. This allows us to have a place to implement optimizations in a
structured way.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10994 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-28 02:42:12 +00:00