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Commit Graph

203 Commits

Author SHA1 Message Date
Devang Patel
b5abdd4c33 The pass manager is not able to schedule -loop-deletion -loop-index-split.
The loop-deletion pass does not preserve dom frontier, which is required by
loop-index-split. When the PM checks dom frontier for loop-index-split, it has
already verified that lcssa is availalble. However, new dom frontier forces new
loop pass manager, which does not  have lcssa yet.

The PM should recheck availability of required analysis passes in such cases.

llvm-svn: 54805
2008-08-14 23:07:48 +00:00
Devang Patel
d0aabe5ce6 Use SmallVector instead of std::vector
llvm-svn: 54685
2008-08-12 15:44:31 +00:00
Devang Patel
670f3a9e03 Use DenseMap to keep track of last users.
Use inversed map for faster queries.

llvm-svn: 54662
2008-08-12 00:26:16 +00:00
Devang Patel
404762f720 Keep track of analysis usage information for passes. Avoid invoking
getAnalysisUsage() repeatedly.

llvm-svn: 54650
2008-08-11 21:13:39 +00:00
Chris Lattner
a4e876cf8a Don't call getAnalysisUsage unless -debug-pass is enabled. This speeds
up the passmgr by avoiding useless work.

llvm-svn: 54528
2008-08-08 15:14:09 +00:00
Chris Lattner
c1ca63307d Speed up the passmgr by avoiding heap thrashing on vectors.
llvm-svn: 54515
2008-08-08 05:33:04 +00:00
Chris Lattner
863d710738 Don't verify passes when assertions are disabled.
llvm-svn: 54446
2008-08-07 07:34:50 +00:00
Dan Gohman
f152c7c967 Consistently put quotes around pass names in debugging output.
llvm-svn: 53268
2008-07-09 00:50:40 +00:00
Devang Patel
a4a94290b8 Disable dom info verifier by default.
llvm-svn: 52983
2008-07-01 21:36:11 +00:00
Devang Patel
0fc2badc38 Fix typos in comments.
Thanks for the feedback!

llvm-svn: 52978
2008-07-01 19:50:56 +00:00
Devang Patel
1e1f4a0bdd Add dom info verifier.
llvm-svn: 52967
2008-07-01 17:44:24 +00:00
Devang Patel
1db00c242e Print debug message only if there are dead passes.
llvm-svn: 52052
2008-06-06 17:50:36 +00:00
Evan Cheng
20d22b220a More pass manager debugging outputs.
llvm-svn: 51930
2008-06-04 09:13:31 +00:00
Devang Patel
edc62adcd9 "Unable to schedule <A> required by <B>" is more helpful then
"Unable to handle Pass that requires lower level Analysis pass"

llvm-svn: 51892
2008-06-03 01:20:02 +00:00
Devang Patel
390d72740e Add debugging aid.
llvm-svn: 51891
2008-06-03 01:02:16 +00:00
Dan Gohman
bab18cae46 Clean up the use of static and anonymous namespaces. This turned up
several things that were neither in an anonymous namespace nor static
but not intended to be global.

llvm-svn: 51017
2008-05-13 00:00:25 +00:00
Devang Patel
e4f39224eb Keep track of analysis information inherited from Module pass manager.
llvm-svn: 48576
2008-03-20 01:09:53 +00:00
Devang Patel
3af681c5fb #if 1 .. #endif markers do not add any value.
llvm-svn: 48560
2008-03-19 22:24:25 +00:00
Devang Patel
5e8cbbea65 PassInfo keep tracks whether a pass is an analysis pass or not.
llvm-svn: 48554
2008-03-19 21:56:59 +00:00
Devang Patel
38f181fa8c Do not use virtual function to identify an analysis pass.
llvm-svn: 48520
2008-03-19 00:48:41 +00:00
Devang Patel
811ca3ddba Identify Analysis pass.
Do not run analysis pass again if analysis info is still available.
This fixes PR1441.

llvm-svn: 48476
2008-03-18 00:39:19 +00:00
Gordon Henriksen
caeafc4911 C and Objective Caml bindings for PassManagers.
llvm-svn: 48413
2008-03-16 04:20:44 +00:00
Dan Gohman
e84a9f3740 Eliminate a few unnecessary uses of dynamic_cast.
llvm-svn: 48318
2008-03-13 02:08:36 +00:00
Dan Gohman
548e24d9ae Fix a typo.
llvm-svn: 48317
2008-03-13 01:58:48 +00:00
Dan Gohman
971fdb877c Don't redundantly clear std::vector members in destructors.
llvm-svn: 48316
2008-03-13 01:57:34 +00:00
Dan Gohman
abf6c9aa1d Change PMTopLevelManager's PassManagers vector element type from
Pass* to PMDataManager*. PMDataManager is more specific than Pass,
so this more accurately describes the objects that are being stored.

This eliminates the need for several dynamic_casts to PMDataManager*.
It does introduce one dynamic_cast though, in dumpPasses(). Give
this one a comment describing why a dynamic_cast is being used.

llvm-svn: 48315
2008-03-13 01:48:32 +00:00
Dan Gohman
70f4b55e3f Change PMStack::push to accept a PMDataManager* instead of
a Pass*. PMDataManager* is what it actually holds, so this
makes it clearer.

llvm-svn: 48314
2008-03-13 01:21:31 +00:00
Dan Gohman
2b0112a65a Give PassManager and FunctionPassManager a common base class, with
add(Pass *) as a pure virtual member function. This will allow all
the various addPassesTo* functions in LLVM to avoid hard-coding what
type of PassManager is used. 

llvm-svn: 48226
2008-03-11 16:41:42 +00:00
Dan Gohman
54b152cbbf Fix typos in comments.
llvm-svn: 48225
2008-03-11 16:18:48 +00:00
Devang Patel
351830e819 Remove dead code.
llvm-svn: 47700
2008-02-27 23:33:51 +00:00
Devang Patel
cad20dbdb0 Add comment explaining what is lower level analysis pass.
llvm-svn: 46658
2008-02-02 01:43:30 +00:00
Dan Gohman
241714222a Fix 80-col violations.
llvm-svn: 46510
2008-01-29 12:09:55 +00:00
Chris Lattner
ad9a6ccb83 Remove attribution from file headers, per discussion on llvmdev.
llvm-svn: 45418
2007-12-29 20:36:04 +00:00
Dan Gohman
7fa473514d Add explicit keywords.
llvm-svn: 42747
2007-10-08 15:08:41 +00:00
Dan Gohman
b278232a22 Fix a using namespace llvm; in a header file.
llvm-svn: 42584
2007-10-03 19:04:09 +00:00
Devang Patel
fa7277dd34 Do not overuse std::string. Pass around char * directly.
llvm-svn: 41001
2007-08-10 18:29:32 +00:00
Chris Lattner
de5f6f921a minor simplifications.
llvm-svn: 40981
2007-08-10 06:22:25 +00:00
Chris Lattner
bbe3b1dbee avoid copying strings.
llvm-svn: 40980
2007-08-10 06:17:04 +00:00
Dan Gohman
b757cdd2e6 Fix pastos in comments for doFinalization functions.
llvm-svn: 40588
2007-07-30 14:51:13 +00:00
Devang Patel
780ecf20d1 Add facility to dump pass manager structure
to make it easier to understand failure.

llvm-svn: 40567
2007-07-27 20:06:09 +00:00
Devang Patel
133b5cb6b6 Use SmallVector instead of std::vector.
llvm-svn: 40109
2007-07-20 18:04:54 +00:00
Devang Patel
45675e56ad Verify loop info.
llvm-svn: 40062
2007-07-19 18:02:32 +00:00
Devang Patel
9c100bc7e9 Set up ground work to verify preserved analysis info.
llvm-svn: 40039
2007-07-19 05:36:09 +00:00
Devang Patel
f1b6294e80 Fix memory leak.
llvm-svn: 38469
2007-07-09 20:52:39 +00:00
Gabor Greif
5f705671e4 Here is the bulk of the sanitizing.
Almost all occurrences of "bytecode" in the sources have been eliminated.

llvm-svn: 37913
2007-07-05 17:07:56 +00:00
Devang Patel
f57b9f4d5d Fix quotes in debug messages.
llvm-svn: 37630
2007-06-18 21:32:29 +00:00
Devang Patel
c81283a894 If user wants to run instcombine twice, do not block it.
llvm-svn: 37301
2007-05-23 05:08:52 +00:00
Devang Patel
cd45427a87 Drop 'const'
llvm-svn: 36662
2007-05-03 01:11:54 +00:00
Devang Patel
8ee9065162 Use 'static const char' instead of 'static const int'.
Due to darwin gcc bug, one version of darwin linker coalesces
static const int, which defauts PassID based pass identification.

llvm-svn: 36652
2007-05-02 21:39:20 +00:00
Devang Patel
38a66bc82e Do not use typeinfo to identify pass in pass manager.
llvm-svn: 36632
2007-05-01 21:15:47 +00:00