Chris Lattner
ddd947f21a
Fix PR312 and IndVarsSimplify/2004-04-05-InvokeCastCrash.llx
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12668 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-05 18:46:55 +00:00
Chris Lattner
28977af72a
Support getelementptr instructions which use uint's to index into structure
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types and can have arbitrary 32- and 64-bit integer types indexing into
sequential types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12653 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-05 01:30:19 +00:00
Chris Lattner
5da80974c0
Implement test/Regression/Transforms/GCSE/undefined_load.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12641 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-03 00:45:16 +00:00
Chris Lattner
e34c0b48a0
Add a break in the default case
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12639 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-03 00:43:03 +00:00
Chris Lattner
9687845800
Remove obsolete files
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12633 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-02 20:56:24 +00:00
Chris Lattner
d18d9dcd28
Comment out debugging printouts
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12623 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-02 20:26:46 +00:00
Chris Lattner
53e677abad
Add a new analysis
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12619 91177308-0d34-0410-b5e6-96231b3b80d8
2004-04-02 20:23:17 +00:00
Chris Lattner
fc33d30446
Add some new methods
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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
Chris Lattner
db81395452
Adjust to new itf
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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
698c4a4bbb
Minor efficiency improvement, finegrainify namespacification
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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
4781bc7142
Fix a HORRIBLY NASTY bug that caused siod to stop working last night.
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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
Chris Lattner
002be76733
Add some missing functions. Make sure to handle calls together in case the
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client has another VN implementation that can VN calls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12427 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-16 03:41:35 +00:00
Chris Lattner
fcead4f426
Ok, the assertion was bogus. Calls that do not read/write memory should not
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have an alias set, just like adds and subtracts don't.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12422 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-15 06:28:07 +00:00
Chris Lattner
df209fcc7e
This assertion is bogus now that calls do not necessarily read/write memory
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12421 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-15 06:24:15 +00:00
Chris Lattner
5a6e947f1d
Implement CSE of call instructions in the most trivial case. This implements
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GCSE/call_cse.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12419 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-15 05:44:59 +00:00
Chris Lattner
bbcc147220
Fix a minor bug, implementing GCSE/call_pure_function.ll
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Also, add some stuff I missed before.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12417 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-15 04:18:28 +00:00
Chris Lattner
5b5f7c11d0
Don't be COMPLETELY pessimistic in the face of function calls
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12413 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-15 04:08:36 +00:00
Chris Lattner
992860c44e
Deinline some virtual methods, provide better mod/ref answers through the
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use of the boolean queries
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12410 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-15 04:07:29 +00:00
Chris Lattner
b79d79297d
Pass through the boolean queries
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12409 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-15 04:06:46 +00:00
Chris Lattner
4244bb5bbd
Teach basicaa about some stdc functions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12408 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-15 03:36:49 +00:00
Chris Lattner
a2dc727ac4
DemoteRegToStack got moved from DemoteRegToStack.h to Local.h
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12368 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-14 02:13:38 +00:00
Chris Lattner
cc7c4acffa
Fix a tiny bug that caused an incorrect assertion failure poolallocating
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boxed-sim.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12358 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-13 01:14:23 +00:00
Chris Lattner
317201d773
Rename the intrinsic enum values for llvm.va_* from Intrinsic::va_* to
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Intrinsic::va*. This avoid conflicting with macros in the stdlib.h file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12356 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-13 00:24:00 +00:00
Chris Lattner
7a82ba0510
Fix a couple of minor problems. Because PHI nodes can use themselves, this
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could cause infinite loops. Also, getUnderlyingObject can return null
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12351 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-12 23:12:55 +00:00
Chris Lattner
04b7593546
Implement mod/ref analysis for a trivial case where locals don't escape.
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This comes up when you have a local array on the stack and you never pass
the address of elements around.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12349 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-12 22:39:00 +00:00
Misha Brukman
85f5e11c06
Simplify code to process CallSites (thanks to Chris).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12334 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-12 16:20:49 +00:00
Misha Brukman
bc1dbe95b8
Evaluate ModRef information in addition to regular ol' pointer analysis.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12331 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-12 06:15:08 +00:00
Misha Brukman
a975a9ab80
Implement getModRefInfo() for DSA to calculate whether a function modifies or
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references a pointer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12330 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-12 06:14:22 +00:00
Misha Brukman
56c0fa69a3
Make code more readable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12305 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-12 00:58:41 +00:00
Chris Lattner
c6b0c4b9e2
Fix PR284: [indvars] Induction variable analysis violates LLVM invariants
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12275 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-10 21:42:19 +00:00
Chris Lattner
85fb1be62f
implement new method
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12264 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-09 19:37:06 +00:00
Chris Lattner
96ab5caf2d
Switch to using edge profiling information as the basic source of profile info
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from using basic block counts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12242 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-08 22:04:08 +00:00
Chris Lattner
62e84f376b
Refactor implementations
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12240 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-08 21:30:35 +00:00
Chris Lattner
6ba8972919
Import the trace class from the reoptimizer
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12236 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-08 20:57:27 +00:00
Chris Lattner
dbbbfef165
If we have edge counts, we can produce block counts. I've verified that
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using an edge profile to produce block counts gives the exact same numbers
as using a block count directly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12232 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-08 20:03:52 +00:00
Chris Lattner
01945c1739
Add initial support for reading edge counts. This will be improved to enable
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translation of edge counts into block/function counts when possible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12229 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-08 18:20:18 +00:00
Chris Lattner
d84d3501c6
Fix a bug handling globals that are constants, but are still external
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12208 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-08 03:52:24 +00:00
Chris Lattner
deb8712b49
Fix a minor bug
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12169 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-05 22:04:07 +00:00
Misha Brukman
a5f2905c71
Unbreak the build on Sparc.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12161 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-05 20:04:40 +00:00
Chris Lattner
4ab483c6ad
Fix a bug in a previous checkin that broke 175.vpr
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12128 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-04 21:36:57 +00:00
Chris Lattner
3aeb40cadb
Add support for strto* and v*printf
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12127 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-04 21:03:54 +00:00
Chris Lattner
6b3e3ccf73
Add non-crappy support for varargs
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12126 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-04 20:33:47 +00:00
Chris Lattner
e6e93ccd0c
Implement a FIXME, improving the efficiency of DSA on povray.
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This reduces CBU time from 145s -> 122s (debug build), reduces # allocated nodes
from 129420 to 116477.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12125 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-04 19:47:04 +00:00
Chris Lattner
da5c5a5b95
Speed up the cbu pass from taking somewhere near the age of the universe to about 90s on povray
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12123 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-04 19:16:35 +00:00
Chris Lattner
f590ced5c5
Fix BU datastructures with povray!
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The problem was that we were merging a field of a node with a value that was
deleted. Thanks to bugpoint for reducing povray to a nice small 3 function
example. :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12116 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-04 17:06:53 +00:00
Chris Lattner
16437ff705
Minor changes, remove some debugging code that got checked in somehow.
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Make sure to scope the NodeMap passed into cloneInto so that it doesn't point
to nodes that are deleted. Add some FIXME's for future performance enhancements.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12115 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-04 17:05:28 +00:00
Chris Lattner
2f3469013e
Only clone nodes that are needed in the caller, don't clone ALL aux calls. This improves
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povray from having ~600K nodes and 300K call nodes to 65K nodes and 25K call nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12109 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-04 03:57:53 +00:00
Chris Lattner
76a9eb3e40
Fix a minor bug handling incomplete programs
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12105 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-03 23:00:19 +00:00
Chris Lattner
c4ebdcea7a
Fix a DSA bug that caused DSA to generate incredibly huge graphs and take forever to
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do it on povray. The problem is that we were not copying globals from callees to
callers unless the existed in both graphs. We should have copied them in the case
where the global pointed to a node that was copied as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12104 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-03 22:01:09 +00:00
Chris Lattner
2c7725abb4
Deinline methods, add fast exit
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12102 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-03 20:55:27 +00:00
Chris Lattner
b1aaeee48a
Fix a node mapping problem that was causing the pool allocator to locally allocate
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nodes that were globally live, thus breaking programs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12094 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-03 05:34:31 +00:00
Chris Lattner
7252939af0
FINALLY be able to get symbolic type names in the globals graph!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12082 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-02 21:39:43 +00:00
Chris Lattner
a19ba52596
Really, only if reopen
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12080 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-02 20:46:18 +00:00
Chris Lattner
82e9d7224e
Correctly add an array marker on a node when appropriate!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12055 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-01 19:02:54 +00:00
Chris Lattner
2d6a6aa137
Expand on my note-to-self
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12029 91177308-0d34-0410-b5e6-96231b3b80d8
2004-03-01 02:44:44 +00:00
Misha Brukman
99cc88bb64
* Remove function to find "main" in a Module, there's a method for that
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* Removing extraneous empty space and empty comment lines
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12014 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-29 23:09:10 +00:00
Chris Lattner
0321b68f6b
Only clone global nodes between graphs if both graphs have the global.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11928 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-27 20:05:15 +00:00
Chris Lattner
6b586df328
ADD MORE FUNCTIONS!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11927 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-27 20:04:48 +00:00
Chris Lattner
cb582406dd
Be a good little compiler and handle direct calls efficiently, even if there
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are beastly ConstantPointerRefs in the way...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11883 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-26 22:07:22 +00:00
Chris Lattner
af6926a382
Fix typo
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11864 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-26 03:45:03 +00:00
Chris Lattner
abcdf80ec6
The node doesn't have to be _no_ node flags, it just has to be complete and
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not have any globals.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11863 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-26 03:43:43 +00:00
Chris Lattner
1fe9874d15
Add _more_ functions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11862 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-26 03:43:08 +00:00
Chris Lattner
cf14e71c5e
Two changes:
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1. Functions do not make things incomplete, only variables
2. Constant global variables no longer need to be marked incomplete, because
we are guaranteed that the initializer for the global will be in the
graph we are hacking on now. This makes resolution of indirect calls happen
a lot more in the bu pass, supports things like vtables and the C counterparts
(giant constant arrays of function pointers), etc...
Testcase here: test/Regression/Analysis/DSGraph/constant_globals.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11852 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25 23:36:08 +00:00
Chris Lattner
c420ab6c25
When building local graphs, clone the initializer for constant globals into each
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local graph that uses the global.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11850 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25 23:31:02 +00:00
Chris Lattner
51c06abbf1
Simplify the dead node elimination stuff
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Make the incompleteness marker faster by looping directly over the globals
instead of over the scalars to find the globals
Fix a bug where we didn't mark a global incomplete if it didn't have any
outgoing edges. This wouldn't break any current clients but is still wrong.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11848 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25 23:08:00 +00:00
Chris Lattner
52fc8d7ec9
Add a bunch more functions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11847 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25 23:06:40 +00:00
Chris Lattner
153f24070c
Try harder to get symbol info
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11846 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25 23:06:30 +00:00
Chris Lattner
adc1efe81c
Add a bunch more functions used by perlbmk
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11824 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-25 17:43:20 +00:00
Chris Lattner
39bb2dc557
Add support for 'rename'
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11813 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-24 22:17:00 +00:00
Chris Lattner
d561209a47
Add support for remove, fwrite, and fread
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Also fix problem where we didn't check to see if a node pointer was null.
Though fclose(null) doesn't make a lot of sense, 300.twolf does it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11810 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-24 22:02:48 +00:00
Chris Lattner
e735b2de30
Fix a soon-to-be-missing #include
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11707 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-22 06:26:17 +00:00
Chris Lattner
0ad9170327
Use isNull instead of getNode() to test for existence of a node, this is cheaper.
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FIX MAJOR BUG, whereby we didn't merge null edges correctly. Correcting this
fixes poolallocation on 175.vpr, and possibly others.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11695 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-22 00:53:54 +00:00
Chris Lattner
d85645f526
Fix an iterator invalidation problem which was causing some nodes to not be
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correctly merged over!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11693 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-21 22:28:26 +00:00
Chris Lattner
5171115cf3
Use handy method
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11692 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-21 22:27:31 +00:00
Chris Lattner
3567937f16
Instead of cloning the globals for main into the globals graph at the end of
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BU propagation, clone the globals into the GG of EACH FUNCTION that finishes
processing! The GlobalsGraph *must* include all globals and effects from
all functions in the program. Fixing this makes pool allocation work better
on 175.vpr, but it still ultimately crashes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11686 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-21 00:30:28 +00:00
Chris Lattner
d10b5fd395
There is no need to merge the globals graph into the function graphs at the
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end of the BU and CBU passes. The globals will be marked incomplete, so it
doesn't matter if they are missing some info, and merging isn't guaranteed
to bring everything in anyway!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11684 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-20 23:52:15 +00:00
Chris Lattner
4e46e320a5
Add two missing returns, which caused us to be very pessimistic about the
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printf and scanf families!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11683 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-20 23:27:09 +00:00
Chris Lattner
8ecc27e667
Add support for some string functions, the scanf family, and sprintf
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11673 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-20 20:27:11 +00:00
Chris Lattner
28a631d37e
When we complete the bottom-up pass, make sure to merge the globals in 'main' into
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the globals graph.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11562 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-17 19:06:47 +00:00
Chris Lattner
304e143b16
Only spit out warning for functions that take pointers, not for sin and the like
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Add more special case handling for stdio functions. I feel dirty, how about you?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11506 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-16 22:57:19 +00:00
Chris Lattner
eee33b2691
memset and bcopy and now unified by the llvm.memset intrinsic
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11503 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-16 18:37:40 +00:00
Chris Lattner
896481eaa8
No need to scan zero initializers. This should make DSA a bit faster.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11471 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-15 05:53:42 +00:00
Chris Lattner
339d8df4c0
Add support for a bunch more functions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11395 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-13 21:21:48 +00:00
Chris Lattner
68300db685
Add support for fopen/fclose. Specifically with fopen, we were marking all of the
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operands as incomplete, though fopen is known to only read them. This just adds
fclose for symmetry, though it doesn't gain anything. This makes the dsgraphs for
181.mcf much more precise.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11390 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-13 20:05:32 +00:00
Chris Lattner
a07b72ff3d
Restructure code to handle memcpy/memmove
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11374 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-13 16:09:54 +00:00
Chris Lattner
d6a556b3fd
Cosmetic improvements to this option.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11331 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-11 19:14:04 +00:00
Chris Lattner
945871df86
Actually load profiling information now! Block layout can use real, live,
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actual profile info, and works! :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11324 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-11 18:21:05 +00:00
Chris Lattner
c6fca42a66
Fix a typeo
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11323 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-11 18:20:41 +00:00
Chris Lattner
ecefc96f05
Fix copy-and-pastos
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11319 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-11 06:10:18 +00:00
Chris Lattner
927fec3c38
Add skeleton profileinfoloader pass. This will be enhanced to actually LOAD
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a profile tommorow. :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11318 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-11 06:10:05 +00:00
Chris Lattner
bc44aa61c4
Factor this code out of llvm-prof
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11314 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-11 05:54:25 +00:00
Chris Lattner
b060194a70
Make sure to register the 'no profile' implementation as the default for ProfileInfo
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11309 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-11 04:47:54 +00:00
Chris Lattner
40c5767b70
Simplify implementation, and probably speed things up too.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11308 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-11 03:57:16 +00:00
Chris Lattner
171de656eb
An initial implementation of an LLVM ProfileInfo class which is designed to
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eventually allow Passes to use profiling information to direct them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11294 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-10 22:11:42 +00:00
Chris Lattner
d21cd809b6
Adjust to the changed StructType interface. In particular, getElementTypes() is gone.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11228 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-09 04:37:31 +00:00
Chris Lattner
2dea8d65bc
Add one that I missed
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11179 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-08 01:53:10 +00:00
Chris Lattner
c3f5f7701f
Instead of callign removeTriviallyDeadNodes on the global graph every time
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removeDeadNodes is called, only call it at the end of the pass being run.
This saves 1.3 seconds running DSA on 177.mesa (5.3->4.0s), which is
pretty big. This is only possible because of the automatic garbage
collection done on forwarding nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11178 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-08 01:51:48 +00:00
Chris Lattner
cd90f21c0c
Remove another unneeded call.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11177 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-08 01:40:40 +00:00
Chris Lattner
cadfac6879
This call is no longer needed now that merging does not produce garbage
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11176 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-08 01:38:34 +00:00
Chris Lattner
4ff0b9636d
Substantially improve the DSA code by removing 'forwarding' nodes from
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DSGraphs while they are forwarding. When the last reference to the forwarding
node is dropped, the forwarding node is autodeleted. This should simplify
removeTriviallyDead nodes, and is only (efficiently) possible because we are
using an ilist of dsnodes now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11175 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-08 01:27:18 +00:00