OSDN Git Service
Daniel Dunbar [Wed, 31 Mar 2010 19:14:05 +0000 (19:14 +0000)]
Add a FIXME.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100034
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Bill Wendling [Wed, 31 Mar 2010 18:48:58 +0000 (18:48 +0000)]
Comment the changes for r98218 and friends inside the source code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100033
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Daniel Dunbar [Wed, 31 Mar 2010 18:48:43 +0000 (18:48 +0000)]
lit: Make sure to close any files we open as part of redirection.
PR6753.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100032
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Bill Wendling [Wed, 31 Mar 2010 18:47:10 +0000 (18:47 +0000)]
Comment the changes for r98218 and friends inside the source code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100031
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Jakob Stoklund Olesen [Wed, 31 Mar 2010 17:13:16 +0000 (17:13 +0000)]
Fix PR6750. Don't try to merge a DomainValue with itself.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100016
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Benjamin Kramer [Wed, 31 Mar 2010 16:06:22 +0000 (16:06 +0000)]
s/getNameStr/getName/
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100011
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Benjamin Kramer [Wed, 31 Mar 2010 16:04:26 +0000 (16:04 +0000)]
Bump SmallString size a bit to avoid malloc trashing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100010
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Torok Edwin [Wed, 31 Mar 2010 12:07:16 +0000 (12:07 +0000)]
AddSignalHandler was not releasing the critical section on win32.
Patch from Gianluigi Tiesi!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100003
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Nick Lewycky [Wed, 31 Mar 2010 07:50:17 +0000 (07:50 +0000)]
Small fixes to this documentation. Remove mention of uint/int type, fix typo
in 'number'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100001
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Chris Lattner [Wed, 31 Mar 2010 06:09:04 +0000 (06:09 +0000)]
reduce indentation
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99999
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Chris Lattner [Wed, 31 Mar 2010 06:06:37 +0000 (06:06 +0000)]
tidy up
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99998
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Chris Lattner [Wed, 31 Mar 2010 05:53:47 +0000 (05:53 +0000)]
microoptimize this hot method, also making it more
consistent with other similar ones.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99997
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Chris Lattner [Wed, 31 Mar 2010 05:42:48 +0000 (05:42 +0000)]
MI != 0 is checked in the assert right above this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99995
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Chris Lattner [Wed, 31 Mar 2010 05:39:57 +0000 (05:39 +0000)]
use the isDebugValue() predicate and pop_back_val()
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99993
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Chris Lattner [Wed, 31 Mar 2010 05:36:29 +0000 (05:36 +0000)]
assert is a function-like macro, not a control flow operator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99992
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Duncan Sands [Wed, 31 Mar 2010 05:27:33 +0000 (05:27 +0000)]
Correct comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99991
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Chris Lattner [Wed, 31 Mar 2010 05:15:22 +0000 (05:15 +0000)]
reduce indentation, fit in 80 cols and various other cosmetic cleanups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99989
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Chris Lattner [Wed, 31 Mar 2010 04:26:23 +0000 (04:26 +0000)]
fix file header.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99987
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Chris Lattner [Wed, 31 Mar 2010 04:24:50 +0000 (04:24 +0000)]
use the optimized debug info apis in sdisel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99986
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Chris Lattner [Wed, 31 Mar 2010 04:09:11 +0000 (04:09 +0000)]
make irbuilder use the new optimized debug info accessors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99984
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Chris Lattner [Wed, 31 Mar 2010 03:34:40 +0000 (03:34 +0000)]
add new apis for getting/setting !dbg metadata on
instructions. In addition to being a convenience,
they are faster than the old apis, particularly when
not going from an MDKindID like people should be
doing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99982
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Jakob Stoklund Olesen [Wed, 31 Mar 2010 00:40:13 +0000 (00:40 +0000)]
Replace V_SET0 with variants for each SSE execution domain.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99975
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Jakob Stoklund Olesen [Wed, 31 Mar 2010 00:40:08 +0000 (00:40 +0000)]
Fix typo. Thank you, valgrind.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99974
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Jakob Stoklund Olesen [Tue, 30 Mar 2010 23:12:48 +0000 (23:12 +0000)]
Not all platforms start symbols with _
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99959
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Chris Lattner [Tue, 30 Mar 2010 23:03:27 +0000 (23:03 +0000)]
Fix a major source of compile-time slowness at -O0 -g by optimizing
the storage of !dbg metadata kinds in the instruction themselves.
The on-the-side hash table works great for metadata that not-all
instructions get, or for metadata that only exists when optimizing.
But when compile-time is everything, it isn't great.
I'm not super thrilled with the fact that this plops a TrackingVH in
Instruction, because it grows it by 3 words. I'm investigating
alternatives, but this should be a step in the right direction in any
case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99957
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Jakob Stoklund Olesen [Tue, 30 Mar 2010 22:47:00 +0000 (22:47 +0000)]
Enable -sse-domain-fix by default. Now with tests!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99954
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Jakob Stoklund Olesen [Tue, 30 Mar 2010 22:46:55 +0000 (22:46 +0000)]
V_SETALLONES is an integer instruction.
Since it is just a pxor in disguise, we should probably expand it to a full
polymorphic triple.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99953
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Jakob Stoklund Olesen [Tue, 30 Mar 2010 22:46:53 +0000 (22:46 +0000)]
Renumber SSE execution domains for better code size.
SSEDomainFix will collapse to the domain with the lower number when it has a
choice. The SSEPackedSingle domain often has smaller instructions, so prefer
that.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99952
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Bob Wilson [Tue, 30 Mar 2010 22:27:04 +0000 (22:27 +0000)]
Revert Mon Ping's change 99928, since it broke all the llvm-gcc buildbots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99948
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Devang Patel [Tue, 30 Mar 2010 22:09:52 +0000 (22:09 +0000)]
Ignore invalid metadata.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99938
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Jakob Stoklund Olesen [Tue, 30 Mar 2010 21:36:32 +0000 (21:36 +0000)]
Revert "Enable -sse-domain-fix by default. What could possibly go wrong?"
Not running 'make check-all' before committing is a bad idea.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99933
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Jakob Stoklund Olesen [Tue, 30 Mar 2010 21:09:31 +0000 (21:09 +0000)]
Enable -sse-domain-fix by default. What could possibly go wrong?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99931
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Mon P Wang [Tue, 30 Mar 2010 20:55:56 +0000 (20:55 +0000)]
Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
A update of langref will occur in a subsequent checkin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99928
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Chris Lattner [Tue, 30 Mar 2010 20:48:48 +0000 (20:48 +0000)]
move some method definitions to files that make sense.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99927
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Benjamin Kramer [Tue, 30 Mar 2010 20:16:45 +0000 (20:16 +0000)]
Introduce SpecificBumpPtrAllocator, a wrapper for BumpPtrAllocator which allows
only a single type of object to be allocated. Use it to make VNInfo destruction
typesafe.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99919
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Torok Edwin [Tue, 30 Mar 2010 20:15:13 +0000 (20:15 +0000)]
Typo noticed by Duncan.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99918
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Dan Gohman [Tue, 30 Mar 2010 20:04:57 +0000 (20:04 +0000)]
Fix a grammaro.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99917
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Jakob Stoklund Olesen [Tue, 30 Mar 2010 20:04:01 +0000 (20:04 +0000)]
Add cross-block inference to SSEDomainFix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99916
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Dan Gohman [Tue, 30 Mar 2010 19:56:41 +0000 (19:56 +0000)]
Fix llvm-ld to clean up its output files in case of an error.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99915
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Gabor Greif [Tue, 30 Mar 2010 19:20:53 +0000 (19:20 +0000)]
fix two cases where the arguments were extracted from the wrong range out of the InvokeInst
spotted by baldrick -- thanks\!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99914
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Eric Christopher [Tue, 30 Mar 2010 18:49:01 +0000 (18:49 +0000)]
Remove the pmulld intrinsic and autoupdate it as a vector multiply.
Rewrite the pmulld patterns, and make sure that they fold in loads of
arguments into the instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99910
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Chris Lattner [Tue, 30 Mar 2010 18:10:53 +0000 (18:10 +0000)]
Rip out the 'is temporary' nonsense from the MCContext interface to
create symbols. It is extremely error prone and a source of a lot
of the remaining integrated assembler bugs on x86-64.
This fixes rdar://
7807601.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99902
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Evan Cheng [Tue, 30 Mar 2010 18:08:53 +0000 (18:08 +0000)]
Funky indentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99901
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Devang Patel [Tue, 30 Mar 2010 18:07:00 +0000 (18:07 +0000)]
There is no need to fall through after processing DBG_VALUE machine instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99899
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Douglas Gregor [Tue, 30 Mar 2010 18:05:52 +0000 (18:05 +0000)]
Switch isa_impl from a function template to a class template with a
static inline member function doit(). This enables the use of partial
specialization to override the last stage of the "isa" check.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99898
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Daniel Dunbar [Tue, 30 Mar 2010 17:57:42 +0000 (17:57 +0000)]
Fix -Asserts warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99895
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Douglas Gregor [Tue, 30 Mar 2010 17:32:08 +0000 (17:32 +0000)]
Introduce namespace-scope functions to enable LLVM statistics without
passing the command-line parameter "-stats" and to print the resulting
statistics without calling llvm_shutdown().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99893
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Ted Kremenek [Tue, 30 Mar 2010 16:20:03 +0000 (16:20 +0000)]
Change PointerUnionX::getFromOpaqueValue() to be declared 'static inline' instead of 'static'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99892
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Benjamin Kramer [Tue, 30 Mar 2010 14:34:13 +0000 (14:34 +0000)]
XFAIL some PIC16 tests when running under valgrind-leaks. I don't expect these
to be fixed any time soon.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99888
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Benjamin Kramer [Tue, 30 Mar 2010 13:28:42 +0000 (13:28 +0000)]
PIC16: Plug a leak in PIC16Section by allocating name & address strings in the
MCContext. There is still one leak left in PIC16Section (the Items vector).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99887
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Torok Edwin [Tue, 30 Mar 2010 12:52:03 +0000 (12:52 +0000)]
Don't overwrite previous value, if it succeeded.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99886
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Torok Edwin [Tue, 30 Mar 2010 12:31:58 +0000 (12:31 +0000)]
Honour addGlobalMapping() in the interpreter, if it was used to add mappings for
external Functions (the JIT does honour this).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99885
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Torok Edwin [Tue, 30 Mar 2010 11:17:48 +0000 (11:17 +0000)]
Reapply r99881 with some fixes: only call destructor in releaseMemory!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99883
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Torok Edwin [Tue, 30 Mar 2010 10:25:08 +0000 (10:25 +0000)]
Revert 99881, it brooke smooshlab's llvm-gcc-i386-darwin9.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99882
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Torok Edwin [Tue, 30 Mar 2010 10:08:26 +0000 (10:08 +0000)]
Introduce another Reset() method in BumpPtrAllocator that calls a destructor
on all objects it has allocated, if they are all of the same size and alignment.
Use this to destruct all VNInfos allocated in LiveIntervalAnalysis (PR6653).
valnos is not reliable for this purpose, as seen in r99400
(which still leaked, and sometimes caused double frees).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99881
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Evan Cheng [Tue, 30 Mar 2010 05:49:07 +0000 (05:49 +0000)]
Avoid being influenced by the presence of dbg_value instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99879
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Chris Lattner [Tue, 30 Mar 2010 05:34:02 +0000 (05:34 +0000)]
stringref'ize Timer apis
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99877
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Chris Lattner [Tue, 30 Mar 2010 05:27:58 +0000 (05:27 +0000)]
finally, maintain a global list of timer groups, allowing us to
implement TimerGroup::printAll, which prints and resets all active
timers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99876
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Chris Lattner [Tue, 30 Mar 2010 05:20:02 +0000 (05:20 +0000)]
add a new TimerGroup::print method, and refactor away the bogus
TimerGroup copy ctor and assignment operator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99875
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Chris Lattner [Tue, 30 Mar 2010 05:01:08 +0000 (05:01 +0000)]
rename GetLibSupportInfoOutputFile -> CreateInfoOutputFile and
have it always return a new stream to simplify clients.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99874
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Chris Lattner [Tue, 30 Mar 2010 04:58:26 +0000 (04:58 +0000)]
if a timergroup is destroyed before its timers, print times.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99873
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Chris Lattner [Tue, 30 Mar 2010 04:40:01 +0000 (04:40 +0000)]
change TimerGroup to keep a linked list of active timers
instead of just a count of them, and refactor the guts of
report printing out of removeTimer into its own method.
Refactor addTimerToPrint away.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99872
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Chris Lattner [Tue, 30 Mar 2010 04:03:22 +0000 (04:03 +0000)]
reapply my timer rewrite with a change for PassManager to store
timers by pointer instead of by-value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99871
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Chris Lattner [Tue, 30 Mar 2010 03:57:00 +0000 (03:57 +0000)]
revert r99862 which is causing FNT failures.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99870
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Chris Lattner [Tue, 30 Mar 2010 02:38:19 +0000 (02:38 +0000)]
fairly major rewrite of various timing related stuff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99862
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Eric Christopher [Tue, 30 Mar 2010 01:04:59 +0000 (01:04 +0000)]
Add FIXME for operand promotion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99859
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Jakob Stoklund Olesen [Tue, 30 Mar 2010 00:09:32 +0000 (00:09 +0000)]
Be gentle to MSVC. C++ is hard, after all.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99855
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Daniel Dunbar [Mon, 29 Mar 2010 23:56:40 +0000 (23:56 +0000)]
MC/Mach-O/x86_64: Support @GOTPCREL on symbols, even for non-PCrel relocations!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99853
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Bill Wendling [Mon, 29 Mar 2010 23:37:07 +0000 (23:37 +0000)]
Re-add back in the slow way of determining of a clean-up should become a
catch-all. The "dominates" way won't catch all of the selectors which must be
changed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99850
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Jakob Stoklund Olesen [Mon, 29 Mar 2010 23:24:21 +0000 (23:24 +0000)]
Basic implementation of SSEDomainFix pass.
Cross-block inference is primitive and wrong, but the pass is working otherwise.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99848
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Bill Wendling [Mon, 29 Mar 2010 23:02:46 +0000 (23:02 +0000)]
A more general (and simpler!) implementation of r99671. It performs a similar
transform. I.e., if a clean-up eh.selector call dominates the invoke of an
_Unwind_Resume_or_Rethrow, then we convert the eh.selector into a
catch-all. This patch, however, uses the DominatorTree information, and doesn't
go through the whole rigmarole of starting at the eh.exception call, finding the
corresponding URoR and eh.selector calls, and trying to trace through any number
of instruction types to get to them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99846
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Devang Patel [Mon, 29 Mar 2010 22:59:58 +0000 (22:59 +0000)]
Encode start location of debug value, communicated through DBG_VALUE machine instruction, in a variable's DIE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99845
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Chris Lattner [Mon, 29 Mar 2010 21:34:06 +0000 (21:34 +0000)]
move a function into a more logical place in the file
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99842
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Chris Lattner [Mon, 29 Mar 2010 21:28:41 +0000 (21:28 +0000)]
remove support for per-time peak memory tracking, this
isn't used by anyone and is better exposed as a non-per-timer
thing. Also, stop including System/Mutex.h in Timer.h
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99841
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Evan Cheng [Mon, 29 Mar 2010 21:27:30 +0000 (21:27 +0000)]
Fix PR4975. Avoid referencing empty vector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99840
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Chris Lattner [Mon, 29 Mar 2010 21:24:52 +0000 (21:24 +0000)]
various timer fixes: move operator= out of line,
eliminate the per-timer lock (timers should be
externally locked if needed), the info-output-stream
can never be dbgs(), so drop the check. Make some
stuff private.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99839
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Benjamin Kramer [Mon, 29 Mar 2010 21:13:41 +0000 (21:13 +0000)]
Make isInt?? and isUint?? template specializations of the generic versions. This
makes calls a little bit more consistent and allows easy removal of the
specializations in the future. Convert all callers to the templated functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99838
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Evan Cheng [Mon, 29 Mar 2010 20:48:30 +0000 (20:48 +0000)]
Pool allocate SDDbgValue nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99836
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Eric Christopher [Mon, 29 Mar 2010 20:41:51 +0000 (20:41 +0000)]
We'll never match these as instructions, just as intrinsics so remove
the SDNodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99835
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Chris Lattner [Mon, 29 Mar 2010 20:40:19 +0000 (20:40 +0000)]
s/.../.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99834
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Chris Lattner [Mon, 29 Mar 2010 20:39:38 +0000 (20:39 +0000)]
use RAII for ExceptionTimer too
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99833
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Chris Lattner [Mon, 29 Mar 2010 20:38:20 +0000 (20:38 +0000)]
fix a variety of issues were we'd start DebugTimer but
not stop it by using RAII.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99832
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Chris Lattner [Mon, 29 Mar 2010 20:35:01 +0000 (20:35 +0000)]
move code around and improve indentation, no functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99831
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Benjamin Kramer [Mon, 29 Mar 2010 19:07:58 +0000 (19:07 +0000)]
Remove a bunch of integer width predicate functions in favor of MathExtras.
Most of these were unused, some of them were wrong and unused (isS16Constant<short>,
isS10Constant<short>).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99827
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Chris Lattner [Mon, 29 Mar 2010 18:42:42 +0000 (18:42 +0000)]
some other notes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99826
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Chris Lattner [Mon, 29 Mar 2010 18:39:28 +0000 (18:39 +0000)]
apparently llvm 2.7 now has great armv4 support, from
John Tytgat
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99825
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Chris Lattner [Mon, 29 Mar 2010 18:34:13 +0000 (18:34 +0000)]
update the vmkit blurb
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99824
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Chris Lattner [Mon, 29 Mar 2010 17:50:39 +0000 (17:50 +0000)]
add tce
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99820
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Chris Lattner [Mon, 29 Mar 2010 17:38:47 +0000 (17:38 +0000)]
From Kalle Raiskila:
"the bigstack patch for SPU, with testcase. It is essentially the patch committed as 97091, and reverted as 97099, but with the following additions:
-in vararg handling, registers are marked to be live, to not confuse the register scavenger
-function prologue and epilogue are not emitted, if the stack size is 16. 16 means it is empty - there is only the register scavenger emergency spill slot, which is not used as there is no stack."
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99819
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Chris Lattner [Mon, 29 Mar 2010 17:36:02 +0000 (17:36 +0000)]
add support for zero initialized unions, patch by Tim Northover!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99818
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Devang Patel [Mon, 29 Mar 2010 17:20:31 +0000 (17:20 +0000)]
Refactor code to push DILocation prcessing into DwarfDebug.cpp from AsmPrinter.cpp.
This is same as r99772 (which was reverted) with just one meaningful difference where two source lines exchanged their positions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99816
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Chris Lattner [Mon, 29 Mar 2010 17:02:02 +0000 (17:02 +0000)]
add a note.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99815
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Chris Lattner [Mon, 29 Mar 2010 02:02:45 +0000 (02:02 +0000)]
Switch pattern sorting predicate from stable sort -> sort, it
doesn't need to be stable because the patterns are fully ordered.
Add a first level sort predicate that orders patterns in this
order: 1) scalar integer operations 2) scalar floating point
3) vector int 4) vector float. This is a trivial sort on their
top level pattern type so it is nice and transitive. The
benefit of doing this is that simple integer operations are
much more common than insane vector things and isel was trying
to match the big complex vector patterns before the simple
ones because the complexity of the vector operations was much
higher. Since they can't both match, it is best (for compile
time) to try the simple integer ones first.
This cuts down the # failed match attempts on real code by
quite a bit, for example, this reduces backtracks on crafty
(as a random example) from 228285 -> 188369.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99797
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Chris Lattner [Mon, 29 Mar 2010 01:58:15 +0000 (01:58 +0000)]
revert 99795, as mentioned, it is disabled anyway.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99796
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Chris Lattner [Mon, 29 Mar 2010 01:56:19 +0000 (01:56 +0000)]
Check in a (disabled) failed attempt to improve the ordering of
patterns within the generated matcher. This works great except
that the sort fails because the relation defined isn't
transitive. I have a much simpler solution coming next, but want
to archive the code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99795
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Chris Lattner [Mon, 29 Mar 2010 01:40:38 +0000 (01:40 +0000)]
print the complexity of the pattern being matched in the
comment in the generated table.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99794
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Johnny Chen [Mon, 29 Mar 2010 01:14:22 +0000 (01:14 +0000)]
Add NVTBLFrm to represent A8.6.406 VTBL, VTBX Vector Table Lookup Instructions.
These instructions use byte index in a control vector (M:Vm) to lookup byte
values in a table and generate a new vector (D:Vd). The table is specified via
a list of vectors, which can be:
{Dn}
{Dn D<n+1>}
{Dn D<n+1> D<n+2>}
{Dn D<n+1> D<n+2> D<n+3>}
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99789
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Devang Patel [Sun, 28 Mar 2010 21:23:37 +0000 (21:23 +0000)]
Revert 99772.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99778
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Chris Lattner [Sun, 28 Mar 2010 19:46:56 +0000 (19:46 +0000)]
add a statistic for the # times isel has to backtrack.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99774
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Devang Patel [Sun, 28 Mar 2010 18:57:09 +0000 (18:57 +0000)]
Refactoring. Push DILocation processing in to DwarfDebug from AsmPrinter.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99772
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