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Commit Graph

27 Commits

Author SHA1 Message Date
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
Michael Ilseman
41428d3bb1 Update EarlyCSE's SimpleValues to use Hashing.h for their hashes. Expanded the hashing and equality to allow for equality modulo commutativity for binary ops, and comparisons with swapping of predicates.
llvm-svn: 165509
2012-10-09 16:57:38 +00:00
Micah Villmow
bb1a25cd67 Move TargetData to DataLayout.
llvm-svn: 165402
2012-10-08 16:38:25 +00:00
Craig Topper
95869a202b Use LLVM_DELETED_FUNCTION in place of 'DO NOT IMPLEMENT' comments.
llvm-svn: 163974
2012-09-15 17:09:36 +00:00
Benjamin Kramer
b92d13cc42 Make MemoryBuiltins aware of TargetLibraryInfo.
This disables malloc-specific optimization when -fno-builtin (or -ffreestanding)
is specified. This has been a problem for a long time but became more severe
with the recent memory builtin improvements.

Since the memory builtin functions are used everywhere, this required passing
TLI in many places. This means that functions that now have an optional TLI
argument, like RecursivelyDeleteTriviallyDeadFunctions, won't remove dead
mallocs anymore if the TLI argument is missing. I've updated most passes to do
the right thing.

Fixes PR13694 and probably others.

llvm-svn: 162841
2012-08-29 15:32:21 +00:00
Nadav Rotem
bd2b55bc74 Clean whitespaces.
llvm-svn: 160668
2012-07-24 10:51:42 +00:00
Lenny Maiorani
e3f2427596 bz11794 : EarlyCSE stack overflow on long functions.
Make the EarlyCSE optimizer not use recursion to do a depth first iteration.

llvm-svn: 149445
2012-01-31 23:14:41 +00:00
Chad Rosier
49a66381f7 Propagate TargetLibraryInfo throughout ConstantFolding.cpp and
InstructionSimplify.cpp.  Other fixups as needed.
Part of rdar://10500969

llvm-svn: 145559
2011-12-01 03:08:23 +00:00
Eli Friedman
22c39edd2e Fix a couple hash functions so that they do not depend on undefined shifts. Based on patch by Ahmed Charles.
llvm-svn: 141820
2011-10-12 22:00:26 +00:00
Eli Friedman
047d3de417 Change a bunch of isVolatile() checks to check for atomic load/store as well.
No tests; these changes aren't really interesting in the sense that the logic is the same for volatile and atomic.

I believe this completes all of the changes necessary for the optimizer to handle loads and stores correctly.  I'm going to try and come up with some additional testing, though.

llvm-svn: 139533
2011-09-12 20:23:13 +00:00
Chris Lattner
cd13979300 Duncan deftly points out that readnone functions aren't
invalidated by stores, so they can be handled as 'simple'
operations.

llvm-svn: 122785
2011-01-03 23:38:13 +00:00
Chris Lattner
5b5347fde6 stength reduce my previous patch a bit. The only instructions
that are allowed to have metadata operands are intrinsic calls,
and the only ones that take metadata currently return void.
Just reject all void instructions, which should not be value
numbered anyway.  To future proof things, add an assert to the
getHashValue impl for calls to check that metadata operands 
aren't present.

llvm-svn: 122759
2011-01-03 18:43:03 +00:00
Chris Lattner
9f81cc5372 fix PR8895: metadata operands don't have a strong use of their
nested values, so they can change and drop to null, which can
change the hash and cause havok.

It turns out that it isn't a good idea to value number stuff
with metadata operands anyway, so... don't.

llvm-svn: 122758
2011-01-03 18:28:15 +00:00
Chris Lattner
c1ebe702b1 earlycse can do trivial with-a-block dead store
elimination as well.  This deletes 60 stores in 176.gcc
that largely come from bitfield code.

llvm-svn: 122736
2011-01-03 04:17:24 +00:00
Chris Lattner
e44a99ac89 switch the load table to use a recycling bump pointer allocator,
speeding earlycse up by 6%.

llvm-svn: 122733
2011-01-03 03:53:50 +00:00
Chris Lattner
d19ae32f2f now that loads are in their own table, we can implement
store->load forwarding.  This allows EarlyCSE to zap 600 more
loads from 176.gcc.

llvm-svn: 122732
2011-01-03 03:46:34 +00:00
Chris Lattner
b242caa491 split loads and calls into separate tables. Loads are now just indexed
by their pointer instead of using MemoryValue to wrap it.

llvm-svn: 122731
2011-01-03 03:41:27 +00:00
Chris Lattner
3d56e5f6d5 various cleanups, no functionality change.
llvm-svn: 122729
2011-01-03 03:28:23 +00:00
Chris Lattner
4cfdaa3f02 Teach EarlyCSE to do trivial CSE of loads and read-only calls.
On 176.gcc, this catches 13090 loads and calls, and increases the
number of simple instructions CSE'd from 29658 to 36208.

llvm-svn: 122727
2011-01-03 03:18:43 +00:00
Chris Lattner
4ad0cdebbb rename InstValue to SimpleValue, add some comments.
llvm-svn: 122725
2011-01-03 02:20:48 +00:00
Chris Lattner
e89f2f9078 Allocate nodes for the scoped hash table from a recyling bump pointer
allocator.  This speeds up early cse by about 20%

llvm-svn: 122723
2011-01-03 01:42:46 +00:00
Chris Lattner
f6a71c6cd5 reduce redundancy in the hashing code and other misc cleanups.
llvm-svn: 122720
2011-01-03 01:10:08 +00:00
Chris Lattner
506c2deff3 fix some pastos
llvm-svn: 122718
2011-01-02 23:29:58 +00:00
Chris Lattner
39d1fb3320 add DEBUG and -stats output to earlycse.
Teach it to CSE the rest of the non-side-effecting instructions.

llvm-svn: 122716
2011-01-02 23:19:45 +00:00
Chris Lattner
dbad0b5e40 Enhance earlycse to do CSE of casts, instsimplify and die.
Add a testcase.

llvm-svn: 122715
2011-01-02 23:04:14 +00:00
Chris Lattner
688675a0be sketch out a new early cse pass. No functionality yet.
llvm-svn: 122713
2011-01-02 21:47:05 +00:00