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Commit Graph

167 Commits

Author SHA1 Message Date
Matthias Braun
882ae69776 Avoid overly large SmallPtrSet/SmallSet
These sets perform linear searching in small mode so it is never a good
idea to use SmallSize/N bigger than 32.

llvm-svn: 259283
2016-01-30 01:24:31 +00:00
Justin Bogner
cc016f8933 [PM] Port ADCE to the new pass manager
llvm-svn: 251725
2015-10-30 23:13:18 +00:00
Justin Bogner
8ba397b73b ADCE: Fix typo in file comment. NFC
llvm-svn: 248613
2015-09-25 21:03:46 +00:00
James Molloy
786cc71fe2 Add GlobalsAA as preserved to a bunch of transforms
GlobalsAA must by definition be preserved in function passes, but the passmanager doesn't know that. Make each pass explicitly preserve GlobalsAA.

llvm-svn: 247263
2015-09-10 10:22:12 +00:00
Nico Rieck
4acab3dcc9 Rename inst_range() to instructions() for consistency. NFC
llvm-svn: 244248
2015-08-06 19:10:45 +00:00
David Majnemer
34ee3789f3 New EH representation for MSVC compatibility
This introduces new instructions neccessary to implement MSVC-compatible
exception handling support.  Most of the middle-end and none of the
back-end haven't been audited or updated to take them into account.

Differential Revision: http://reviews.llvm.org/D11097

llvm-svn: 243766
2015-07-31 17:58:14 +00:00
David Majnemer
80ac5e60bf Revert the new EH instructions
This reverts commits r241888-r241891, I didn't mean to commit them.

llvm-svn: 241893
2015-07-10 07:15:17 +00:00
David Majnemer
6310e08ce2 New EH representation for MSVC compatibility
Summary:
This introduces new instructions neccessary to implement MSVC-compatible
exception handling support.  Most of the middle-end and none of the
back-end haven't been audited or updated to take them into account.

Reviewers: rnk, JosephTremoulet, reames, nlewycky, rjmccall

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D11041

llvm-svn: 241888
2015-07-10 07:00:44 +00:00
Alexander Kornienko
f993659b8f Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC)
Apparently, the style needs to be agreed upon first.

llvm-svn: 240390
2015-06-23 09:49:53 +00:00
Alexander Kornienko
40cb19d802 Fixed/added namespace ending comments using clang-tidy. NFC
The patch is generated using this command:

tools/clang/tools/extra/clang-tidy/tool/run-clang-tidy.py -fix \
  -checks=-*,llvm-namespace-comment -header-filter='llvm/.*|clang/.*' \
  llvm/lib/


Thanks to Eugene Kosov for the original patch!

llvm-svn: 240137
2015-06-19 15:57:42 +00:00
Hal Finkel
4546f3de43 [ADCE] Don't indent inside an anonymous namespace
To be consistent with what clang-format does, don't add extra indentation
inside an anonymous namespace. NFC.

llvm-svn: 229412
2015-02-16 18:08:00 +00:00
Hal Finkel
afd400b12e [ADCE] Convert another loop for a range-based for
We can use a range-based for for the operands loop too; NFC.

llvm-svn: 229319
2015-02-15 15:51:25 +00:00
Hal Finkel
bc23b1a680 [ADCE] Use inst_range and range-based fors
Convert a few loops to range-based fors; NFC.

llvm-svn: 229318
2015-02-15 15:51:23 +00:00
Hal Finkel
20dadad9f5 [ADCE] Fix formatting of pointer types
We prefer to put the * with the variable, not with the type; NFC.

llvm-svn: 229317
2015-02-15 15:47:52 +00:00
Hal Finkel
f67e71db4d [ADCE] Fix capitalization of another local variable
Bring another local variable in compliance with our naming conventions, NFC.

llvm-svn: 229316
2015-02-15 15:45:30 +00:00
Hal Finkel
6660cfbeba [ADCE] Fix capitalization of some local variables
Bring some local variables in compliance with our naming conventions, NFC.

llvm-svn: 229315
2015-02-15 15:45:28 +00:00
David Blaikie
60e6c80905 Update SetVector to rely on the underlying set's insert to return a pair<iterator, bool>
This is to be consistent with StringSet and ultimately with the standard
library's associative container insert function.

This lead to updating SmallSet::insert to return pair<iterator, bool>,
and then to update SmallPtrSet::insert to return pair<iterator, bool>,
and then to update all the existing users of those functions...

llvm-svn: 222334
2014-11-19 07:49:26 +00:00
Chandler Carruth
6f9ba6a633 [Modules] Fix potential ODR violations by sinking the DEBUG_TYPE
definition below all of the header #include lines, lib/Transforms/...
edition.

This one is tricky for two reasons. We again have a couple of passes
that define something else before the includes as well. I've sunk their
name macros with the DEBUG_TYPE.

Also, InstCombine contains headers that need DEBUG_TYPE, so now those
headers #define and #undef DEBUG_TYPE around their code, leaving them
well formed modular headers. Fixing these headers was a large motivation
for all of these changes, as "leaky" macros of this form are hard on the
modules implementation.

llvm-svn: 206844
2014-04-22 02:55:47 +00:00
Craig Topper
a3683ec835 [C++11] Add 'override' keyword to virtual methods that override their base class.
llvm-svn: 202953
2014-03-05 09:10:37 +00:00
Chandler Carruth
075812f27c [Modules] Move CFG.h to the IR library as it defines graph traits over
IR types.

llvm-svn: 202827
2014-03-04 11:45:46 +00:00
Chandler Carruth
d7b36fdea7 [Modules] Move InstIterator out of the Support library, where it had no
business.

This header includes Function and BasicBlock and directly uses the
interfaces of both classes. It has to do with the IR, it even has that
in the name. =] Put it in the library it belongs to.

This is one step toward making LLVM's Support library survive a C++
modules bootstrap.

llvm-svn: 202814
2014-03-04 10:30:26 +00:00
Paul Robinson
189e175394 Disable most IR-level transform passes on functions marked 'optnone'.
Ideally only those transform passes that run at -O0 remain enabled,
in reality we get as close as we reasonably can.
Passes are responsible for disabling themselves, it's not the job of
the pass manager to do it for them.

llvm-svn: 200892
2014-02-06 00:07:05 +00:00
Craig Topper
783617eba7 Use SmallVectorImpl::iterator/const_iterator instead of SmallVector to avoid specifying the vector size.
llvm-svn: 185606
2013-07-04 01:31:24 +00:00
Chandler Carruth
4c1f3c24db Move all of the header files which are involved in modelling the LLVM IR
into their new header subdirectory: include/llvm/IR. This matches the
directory structure of lib, and begins to correct a long standing point
of file layout clutter in LLVM.

There are still more header files to move here, but I wanted to handle
them in separate commits to make tracking what files make sense at each
layer easier.

The only really questionable files here are the target intrinsic
tablegen files. But that's a battle I'd rather not fight today.

I've updated both CMake and Makefile build systems (I think, and my
tests think, but I may have missed something).

I've also re-sorted the includes throughout the project. I'll be
committing updates to Clang, DragonEgg, and Polly momentarily.

llvm-svn: 171366
2013-01-02 11:36:10 +00:00
Chandler Carruth
a490793037 Use the new script to sort the includes of every file under lib.
Sooooo many of these had incorrect or strange main module includes.
I have manually inspected all of these, and fixed the main module
include to be the nearest plausible thing I could find. If you own or
care about any of these source files, I encourage you to take some time
and check that these edits were sensible. I can't have broken anything
(I strictly added headers, and reordered them, never removed), but they
may not be the headers you'd really like to identify as containing the
API being implemented.

Many forward declarations and missing includes were added to a header
files to allow them to parse cleanly when included first. The main
module rule does in fact have its merits. =]

llvm-svn: 169131
2012-12-03 16:50:05 +00:00
Nadav Rotem
bd2b55bc74 Clean whitespaces.
llvm-svn: 160668
2012-07-24 10:51:42 +00:00
Bill Wendling
31d80032c6 The landingpad instruction isn't dead simply because it's value isn't used.
llvm-svn: 138102
2011-08-19 21:52:06 +00:00
Owen Anderson
46990c17f7 Get rid of static constructors for pass registration. Instead, every pass exposes an initializeMyPassFunction(), which
must be called in the pass's constructor.  This function uses static dependency declarations to recursively initialize
the pass's dependencies.

Clients that only create passes through the createFooPass() APIs will require no changes.  Clients that want to use the
CommandLine options for passes will need to manually call the appropriate initialization functions in PassInitialization.h
before parsing commandline arguments.

I have tested this with all standard configurations of clang and llvm-gcc on Darwin.  It is possible that there are problems
with the static dependencies that will only be visible with non-standard options.  If you encounter any crash in pass
registration/creation, please send the testcase to me directly.

llvm-svn: 116820
2010-10-19 17:21:58 +00:00
Owen Anderson
69cbf2e8b7 Now with fewer extraneous semicolons!
llvm-svn: 115996
2010-10-07 22:25:06 +00:00
Owen Anderson
f2fea95f2f Reapply r110396, with fixes to appease the Linux buildbot gods.
llvm-svn: 110460
2010-08-06 18:33:48 +00:00
Owen Anderson
aadd8a89ca Revert r110396 to fix buildbots.
llvm-svn: 110410
2010-08-06 00:23:35 +00:00
Owen Anderson
b9762c07cb Don't use PassInfo* as a type identifier for passes. Instead, use the address of the static
ID member as the sole unique type identifier.  Clean up APIs related to this change.

llvm-svn: 110396
2010-08-05 23:42:04 +00:00
Owen Anderson
f8addbb0a1 Fix batch of converting RegisterPass<> to INTIALIZE_PASS().
llvm-svn: 109045
2010-07-21 22:09:45 +00:00
Dan Gohman
74d5144414 Use pre-increment instead of post-increment when the result is not used.
llvm-svn: 106542
2010-06-22 15:08:57 +00:00
Dan Gohman
e4a22bdd4a Use do+while instead of while for loops which obviously have a
non-zero trip count. Use SmallVector's pop_back_val().

llvm-svn: 92734
2010-01-05 16:27:25 +00:00
Chris Lattner
5f54c5bd1c eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861
llvm-svn: 80766
2009-09-02 06:11:42 +00:00
Duncan Sands
880eaf5278 Allow readonly functions to unwind exceptions. Teach
the optimizers about this.  For example, a readonly
function with no uses cannot be removed unless it is
also marked nounwind.

llvm-svn: 71071
2009-05-06 06:49:50 +00:00
Dale Johannesen
448293322b Re-commit 65975 and a fix for the problem that
was causing llvm-gcc to fail to build.  I've
verified it bootstraps now; good enough for me.

llvm-svn: 66073
2009-03-04 21:24:04 +00:00
Devang Patel
79a342d7d3 Let instcombiner remove redundant dbg intrinsics.
llvm-svn: 59658
2008-11-19 18:59:41 +00:00
Devang Patel
fbb29cdaee Cleanup debug info. assocated with deleted instructions.
llvm-svn: 59012
2008-11-11 00:54:10 +00:00
Dan Gohman
e1f9be27bc Tidy up several unbeseeming casts from pointer to intptr_t.
llvm-svn: 55779
2008-09-04 17:05:41 +00:00
Owen Anderson
1acfb69ad7 Remove the ability for ADCE to remove unreachable blocks in loop nests, because, as Eli pointed out, SimplifyCFG already does this.
llvm-svn: 53104
2008-07-03 17:21:41 +00:00
Owen Anderson
9a7d657786 Use df_ext_iterator to capture the reachable set without allocating an extra set.
Also, move large sets and vectors out of instance variables and onto the stack,
and give them more reasonable sizes.

llvm-svn: 53044
2008-07-02 18:41:09 +00:00
Owen Anderson
e20158affb Add support to ADCE for pruning unreachable blocks. This addresses the final
part of PR2509.

llvm-svn: 53038
2008-07-02 18:05:19 +00:00
Owen Anderson
764fe3df94 Use DenseSet rather than SmallPtrSet for the alive set. Using SmallPtrSet
with a huge "size" parameter is actually quite inefficient.

llvm-svn: 53034
2008-07-02 17:32:04 +00:00
Owen Anderson
7d4e8f976c At Chris' suggestion, move the liveness and worklist datastructures into
instance variables so they can be allocated just once, and reuse the worklist
as the dead list as well.

llvm-svn: 52618
2008-06-23 06:13:12 +00:00
Duncan Sands
18fb7b1fa3 Add a newline at the end of this file.
llvm-svn: 51680
2008-05-29 14:38:23 +00:00
Owen Anderson
bd3940abc7 Replace the old ADCE implementation with a new one that more simply solves
the one case that ADCE catches that normal DCE doesn't: non-induction variable
loop computations.

This implementation handles this problem without using postdominators.

llvm-svn: 51668
2008-05-29 08:45:13 +00:00
Owen Anderson
6fbcec4778 Remove ADCE's ability to delete loops. This ability is now implemented in a
safer manner by loop deletion.

llvm-svn: 51182
2008-05-16 04:34:51 +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