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Commit Graph

15 Commits

Author SHA1 Message Date
Benjamin Kramer
0d60a5573c Make a bunch of symbols private.
llvm-svn: 138025
2011-08-19 01:42:18 +00:00
Eli Friedman
5a2d27800e Representation of 'atomic load' and 'atomic store' in IR.
llvm-svn: 137170
2011-08-09 23:02:53 +00:00
Eli Friedman
6f2419f1a2 Misc optimizer+codegen work for 'cmpxchg' and 'atomicrmw'. They appear to be
working on x86 (at least for trivial testcases); other architectures will
need more work so that they actually emit the appropriate instructions for
orderings stricter than 'monotonic'. (As far as I can tell, the ARM, PPC,
Mips, and Alpha backends need such changes.)

llvm-svn: 136457
2011-07-29 03:05:32 +00:00
Benjamin Kramer
20bc47e9c1 Fix a use after free. An instruction can't be both an intrinsic call and a fence.
llvm-svn: 136319
2011-07-28 01:20:19 +00:00
Eli Friedman
f226974353 Misc mid-level changes for new 'fence' instruction.
llvm-svn: 136205
2011-07-27 01:08:30 +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
Chris Lattner
e54b9e2332 more cleanups
llvm-svn: 113115
2010-09-05 20:13:07 +00:00
Chris Lattner
41d0913a1d Change lower atomic pass to use IntrinsicInst to simplify it a bit.
llvm-svn: 113114
2010-09-05 20:10:47 +00:00
Owen Anderson
fe3d206e65 Now that PassInfo and Pass::ID have been separated, move the rest of the passes over to the new registration API.
llvm-svn: 111815
2010-08-23 17:52:01 +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
Nick Lewycky
8c4f9777de Fix uninitialized variable warning.
Also move 'default' case next to a real case to help compiler optimize in
non-Debug builds.
No functionality change.

llvm-svn: 110435
2010-08-06 07:43:46 +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
Peter Collingbourne
10c4f9d6bd Add an atomic lowering pass
llvm-svn: 110113
2010-08-03 16:19:16 +00:00