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12922 Commits

Author SHA1 Message Date
Michael J. Spencer
8daaefa006 Endian: Get rid of LLVM_IS_HOST_BIG_ENDIAN. 
llvm-svn: 117124
 2010-10-22 18:45:12 +00:00
Wesley Peck
488027efa3 Making the e_machine configurable by the target backend in ELFObjectWriter. 
llvm-svn: 117099
 2010-10-22 15:52:49 +00:00
Michael J. Spencer
93269f7395 Rename LLVM_IS_TARGET_BIG_ENDIAN to LLVM_IS_HOST_BIG_ENDIAN to reflect what it actually means. 
llvm-svn: 117092
 2010-10-22 08:47:28 +00:00
Michael J. Spencer
b9734a5b12 Support: Add Endian.h 
llvm-svn: 117057
 2010-10-21 20:28:21 +00:00
Duncan Sands
acbc34528c Fix the cleanup process of exception information in JIT. Now JIT 
deregisters registered by it FDE structures allowing consecutive
JIT runs to succeed.  Patch by Yuri.  Fixes PR8285.

llvm-svn: 117004
 2010-10-21 08:57:29 +00:00
Wesley Peck
00cc1b6983 Adding the EM_MBLAZE value to the machine architectures enumeration to 
support future ELF file generation by the MBlaze backend.

llvm-svn: 116985
 2010-10-21 02:52:59 +00:00
Michael J. Spencer
b9cffadc06 CodeGen-Windows: Only emit _fltused if a VarArg function is called with floating point args. 
This should be the minimum set of functions that could possibly need it.

llvm-svn: 116978
 2010-10-21 00:08:21 +00:00
Owen Anderson
9e9ae1b048 Attempt to fix valgrind complaining about (benign) leaks in pass registration by having PassRegistry 
delete PassInfo objects that were created using new-style initialization.

llvm-svn: 116959
 2010-10-20 22:22:30 +00:00
Dale Johannesen
58fe3193a6 Remove Synthesizable from the Type system; as MMX vector 
types are no longer Legal on X86, we don't need it.
No functional change.  8499854.

llvm-svn: 116947
 2010-10-20 21:32:10 +00:00
Chandler Carruth
7763c845be Add a comment about ATTRIBUTE_UNUSED to avoid further confusion over when to 
use it.

llvm-svn: 116920
 2010-10-20 08:44:27 +00:00
Tobias Grosser
88ce93b0eb Add RegionPass support. 
A RegionPass is executed like a LoopPass but on the regions detected by the
RegionInfo pass instead of the loops detected by the LoopInfo pass.

llvm-svn: 116905
 2010-10-20 01:54:44 +00:00
Dan Gohman
c781a28a1d Make CodeGen TBAA-aware. 
llvm-svn: 116890
 2010-10-20 00:31:05 +00:00
Jim Grosbach
b390dd1bd5 Spelling typo fix. s/incput/input/. Thanks, Bob! 
llvm-svn: 116880
 2010-10-19 23:39:23 +00:00
Jim Grosbach
a8c0be5343 Add a pre-dispatch SjLj EH hook on the unwind edge for targets to do any 
setup they require. Use this for ARM/Darwin to rematerialize the base
pointer from the frame pointer when required. rdar://8564268

llvm-svn: 116879
 2010-10-19 23:27:08 +00:00
Dan Gohman
399ef0b44a Move NoAA out of BasicAliasAnalysis.cpp into its own file, now that 
it doesn't have a special relationship with BasicAliasAnalysis
anymore.

llvm-svn: 116876
 2010-10-19 23:09:08 +00:00
Dan Gohman
befe1767ff Reapply r116831 and r116839, converting AliasAnalysis to use 
uint64_t, plus fixes for places I missed before.

llvm-svn: 116875
 2010-10-19 22:54:46 +00:00
Douglas Gregor
a598c0fbce Extend StringRef's edit-distance algorithm to permit an upper bound on the allowed edit distance 
llvm-svn: 116867
 2010-10-19 22:13:48 +00:00
Dan Gohman
de3c49438f Revert r116831 and r116839, which are breaking selfhost builds. 
llvm-svn: 116858
 2010-10-19 21:06:16 +00:00
Jakob Stoklund Olesen
02d7f65c49 Shrink MachineOperand from 40 to 32 bytes on 64-bit hosts. 
Pull an unsigned out of the Contents union such that it has the same size as two
pointers and no padding.

Arrange members such that the Contents union and all pointers can be 8-byte
aligned without padding.

This speeds up code generation by 0.8% on a 64-bit host. 32-bit hosts should be
unaffected.

llvm-svn: 116857
 2010-10-19 20:56:32 +00:00
Owen Anderson
933c8cc6ed Remove extraneous slash. 
llvm-svn: 116851
 2010-10-19 19:54:48 +00:00
Evan Cheng
1c8dafd12a Re-enable register pressure aware machine licm with fixes. Hoist() may have 
erased the instruction during LICM so UpdateRegPressureAfter() should not
reference it afterwards.

llvm-svn: 116845
 2010-10-19 18:58:51 +00:00
Dan Gohman
37a9b813f5 Oops, check in all the files for converting AliasAnalysis to 
use uint64_t.

llvm-svn: 116839
 2010-10-19 18:08:27 +00:00
Owen Anderson
65610b8589 Factor out the call-once implementation into its own macro. 
llvm-svn: 116832
 2010-10-19 18:02:06 +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
Daniel Dunbar
6ff550c84d Revert r116781 "- Add a hook for target to determine whether an instruction def 
is", which breaks some nightly tests.

llvm-svn: 116816
 2010-10-19 17:14:24 +00:00
Mikhail Glushenkov
0c09a4b97f GlobalOpt: EvaluateFunction() must not evaluate stores to weak_odr globals. 
Fixes PR8389.

llvm-svn: 116812
 2010-10-19 16:47:23 +00:00
Mikhail Glushenkov
e0b70cf701 Trailing whitespace. 
llvm-svn: 116811
 2010-10-19 16:47:15 +00:00
Chandler Carruth
3f16e8b729 First step to allowing the resource directory of Clang to be adjusted for 
strange packaging environments. The primary result of this is to expose
a (normally empty) CLANG_RESOURCE_DIR string in the autoconf and CMake builds.
This will in turn be used by a subsequent commit to Clang.

Regenerated configure and config.h.in thanks to Nick. =D

llvm-svn: 116802
 2010-10-19 08:21:25 +00:00
Evan Cheng
9c3f6f486e - Add a hook for target to determine whether an instruction def is 
"long latency" enough to hoist even if it may increase spilling. Reloading
  a value from spill slot is often cheaper than performing an expensive
  computation in the loop. For X86, that means machine LICM will hoist
  SQRT, DIV, etc. ARM will be somewhat aggressive with VFP and NEON
  instructions.
- Enable register pressure aware machine LICM by default.

llvm-svn: 116781
 2010-10-19 00:55:07 +00:00
Chandler Carruth
755dd8000d Move the definition of this to the source file to anchor the vtable. 
llvm-svn: 116779
 2010-10-19 00:37:30 +00:00
Dan Gohman
8b332ffb8c Make the representation of AliasSets explicitly differentiate 
between "not known yet" and "known no tbaa info" so that it
can merge them properly.

llvm-svn: 116767
 2010-10-18 23:31:47 +00:00
Chandler Carruth
524faec5da Add a virtual destructor to silence a GCC warning. 
llvm-svn: 116766
 2010-10-18 23:18:51 +00:00
Dan Gohman
6efd04961b Don't pass the raw invalid pointer used to represent conflicting 
TBAA information to AliasAnalysis.

llvm-svn: 116751
 2010-10-18 21:28:00 +00:00
Bill Wendling
3b3d9aaa86 Don't recompute MachineRegisterInfo in the Optimize* method. 
llvm-svn: 116750
 2010-10-18 21:22:31 +00:00
Dan Gohman
64affb7be2 Make AliasSetTracker TBAA-aware, enabling TBAA-enabled LICM. 
llvm-svn: 116743
 2010-10-18 20:44:50 +00:00
Dan Gohman
df5c887e86 Add TypeBasedAliasAnalysis to the standard pass lists. Note that it 
is currently inert by default.

llvm-svn: 116732
 2010-10-18 18:50:27 +00:00
Dan Gohman
6aff5b94ff Make BasicAliasAnalysis a normal AliasAnalysis implementation which 
does normal initialization and normal chaining. Change the default
AliasAnalysis implementation to NoAlias.

Update StandardCompileOpts.h and friends to explicitly request
BasicAliasAnalysis.

Update tests to explicitly request -basicaa.

llvm-svn: 116720
 2010-10-18 18:04:47 +00:00
Rafael Espindola
be5c52d2dc Add a MCObjectFormat class so that code common to all targets that use a 
single object format can be shared.

This also adds support for

mov zed+(bar-foo), %eax

on ELF and COFF targets.

llvm-svn: 116675
 2010-10-16 18:23:53 +00:00
Michael J. Spencer
f9a7c39ecc MC-COFF: Add support for default-null weak externals. 
llvm-svn: 116666
 2010-10-16 08:25:57 +00:00
Michael J. Spencer
e57b670425 X86-Windows: Emit an undefined global __fltused symbol when targeting Windows 
if any floating point arguments are passed to an external function.

llvm-svn: 116665
 2010-10-16 08:25:41 +00:00
Michael J. Spencer
16ad2c129c Whitespace! 
llvm-svn: 116664
 2010-10-16 08:25:21 +00:00
Jim Grosbach
9e98b1cde0 Grammar. 
llvm-svn: 116557
 2010-10-15 01:44:59 +00:00
Francois Pichet
ad0548d742 Always use binary mode for output stream. This is important to prevent unwanted end of line conversion on Windows. Should not affect Unix where O_BINARY is not defined. This fix /clang/test/lexer/preamble.c XFAIL on WIN32. 
llvm-svn: 116509
 2010-10-14 20:30:58 +00:00
Owen Anderson
467d56737b Try again at implementing thread-safe lazy pass initialization, without depending on static local initialization 
being threadsafe AND ensuring that initialization is complete by the time the initializeFooPass method returns.

llvm-svn: 116492
 2010-10-14 17:59:03 +00:00
Owen Anderson
5114ec184e Revert r116489. It included some changes I didn't intend to commit, and broke the buildbots. 
llvm-svn: 116491
 2010-10-14 17:36:50 +00:00
Owen Anderson
2928dbea72 Apparently MSVC doesn't support thread-safe static local initialization. Roll our own solution instead. 
llvm-svn: 116489
 2010-10-14 17:26:06 +00:00
Chris Lattner
451a0accb5 add uadd_ov/usub_ov to apint, consolidate constant folding 
logic to use the new APInt methods.  Among other things this
implements rdar://8501501 - llvm.smul.with.overflow.i32 should constant fold

which comes from "clang -ftrapv", originally brought to my attention from PR8221.

llvm-svn: 116457
 2010-10-14 00:05:07 +00:00
Chris Lattner
365326538a missed a line :( 
llvm-svn: 116456
 2010-10-13 23:57:00 +00:00
Chris Lattner
093d5fe0a9 constify these methods. 
llvm-svn: 116455
 2010-10-13 23:54:10 +00:00
Chris Lattner
70a78ab2c5 add a few operations for signed operations that also 
return an overflow flag.

llvm-svn: 116452
 2010-10-13 23:46:33 +00:00