Bill Wendling [Tue, 10 Mar 2009 21:59:25 +0000 (21:59 +0000)]
- Fix misspelled method name.
- Remove unused method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66585
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Bill Wendling [Tue, 10 Mar 2009 21:47:45 +0000 (21:47 +0000)]
- Create GetOrCreateSourceID from getOrCreateSourceID. GetOrCreateSourceID is
the untimed version of getOrCreateSourceID. getOrCreateSourceID calls
GetOrCreateSourceID, of course.
- Move some methods into the "private" section. Constify at least one method.
- General clean-ups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66582
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Bill Wendling [Tue, 10 Mar 2009 21:31:00 +0000 (21:31 +0000)]
Readd test, but XFAIL it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66581
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Bill Wendling [Tue, 10 Mar 2009 21:23:25 +0000 (21:23 +0000)]
Refine the Dwarf writer timers so that they measure exception writing and debug
writing individually.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66577
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Dale Johannesen [Tue, 10 Mar 2009 21:19:49 +0000 (21:19 +0000)]
Removing a dead debug intrinsic shouldn't trigger
another instcombine pass if we weren't going to make
one without debug info.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66576
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Evan Cheng [Tue, 10 Mar 2009 20:47:18 +0000 (20:47 +0000)]
Revert 66358 for now. It's breaking povray, 450.soplex, and 456.hmmer on x86 / Darwin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66574
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Bill Wendling [Tue, 10 Mar 2009 20:41:52 +0000 (20:41 +0000)]
Add a timer to the DwarfWriter pass that measures the total time it takes to
emit exception and debug Dwarf info.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66571
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Daniel Dunbar [Tue, 10 Mar 2009 19:33:13 +0000 (19:33 +0000)]
Add -disable-bindings for utils/NewNightlyTest.pl
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66566
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Dan Gohman [Tue, 10 Mar 2009 19:01:23 +0000 (19:01 +0000)]
Change these sed lines to behave correctly when the input string
contains commas. This fixes PR3727.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66565
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Dan Gohman [Tue, 10 Mar 2009 18:47:59 +0000 (18:47 +0000)]
Use WriteAsOperand instead of manually decorating the name for this
debug output. This improves the printing of anonymous values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66561
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Dan Gohman [Tue, 10 Mar 2009 18:10:43 +0000 (18:10 +0000)]
Fix a post-RA scheduling liveness bug. When a basic block is being
scheduled in multiple regions, liveness data used by the
anti-dependence breaker is carried from one region to the next, however
the information reflects the state of the instructions before scheduling.
After scheduling, there may be new live range overlaps. Handle this by
pessimizing the liveness data carried between regions to the point where
it will be conservatively correct now matter how the earlier region is
scheduled. This fixes a miscompilation in 176.gcc with the post-RA
scheduler enabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66558
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Devang Patel [Tue, 10 Mar 2009 18:00:05 +0000 (18:00 +0000)]
Ignore dbg info, while estimating size of jump through block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66554
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Rafael Espindola [Tue, 10 Mar 2009 17:58:54 +0000 (17:58 +0000)]
Fix rebuilding after a .td file is modified. This was broken since revision
65834.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66553
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Chris Lattner [Tue, 10 Mar 2009 17:15:56 +0000 (17:15 +0000)]
don't pass -Wl,-exported_symbol -Wl,_main to the linker when building on
Tiger. PR3743
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66550
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Stuart Hastings [Tue, 10 Mar 2009 16:44:45 +0000 (16:44 +0000)]
Tweak the DejaGNU voodoo to match Bill's advice.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66547
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Daniel Dunbar [Tue, 10 Mar 2009 16:21:55 +0000 (16:21 +0000)]
PR3478: raw_ostream should not buffer stderr
- Add unbuffered flag to raw_ostream, forwarded by raw_fd_ostream and
used by raw_stderr_ostream.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66545
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Daniel Dunbar [Tue, 10 Mar 2009 15:56:48 +0000 (15:56 +0000)]
Add C++ marker.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66543
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John Criswell [Tue, 10 Mar 2009 15:04:53 +0000 (15:04 +0000)]
Do not attempt to do parial redundancy elimination on void values.
Also fixed a punctuation error in the header comment.
This fixes PR3775.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66542
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Torok Edwin [Tue, 10 Mar 2009 13:41:26 +0000 (13:41 +0000)]
Global variables don't have a corresponding llvm.dbg.declare, yet it is possible
to obtain debug info about them.
Introduce helpers to access debug info for global variables. Also introduce a
helper that works for both local and global variables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66541
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Sanjiv Gupta [Tue, 10 Mar 2009 10:35:34 +0000 (10:35 +0000)]
Mark the Defs and Uses of STATUS register correctly, plus some reformatting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66540
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Evan Cheng [Tue, 10 Mar 2009 07:57:50 +0000 (07:57 +0000)]
If a function is marked alwaysinline, it must be inlined (possibly for correctness). Do so even if the callee has dynamic alloca and the caller doesn't.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66539
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Bill Wendling [Tue, 10 Mar 2009 06:53:54 +0000 (06:53 +0000)]
Add radar number.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66534
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Chris Lattner [Tue, 10 Mar 2009 05:37:13 +0000 (05:37 +0000)]
wire up support for emitting "special" values from inline asm
format strings with the standard ${:foo} syntax.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66527
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Dan Gohman [Tue, 10 Mar 2009 00:26:23 +0000 (00:26 +0000)]
Add more information to the EFLAGS note.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66515
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Stuart Hastings [Tue, 10 Mar 2009 00:17:39 +0000 (00:17 +0000)]
Check for warnings about inappropriate weak_imports.
Darwin-specific; marked XFAIL for others.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66514
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Dan Gohman [Mon, 9 Mar 2009 23:47:02 +0000 (23:47 +0000)]
Add a note about EFLAGS optimization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66508
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Devang Patel [Mon, 9 Mar 2009 23:04:12 +0000 (23:04 +0000)]
Ignore debug info while evaluating function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66490
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Dan Gohman [Mon, 9 Mar 2009 22:04:01 +0000 (22:04 +0000)]
Don't record the increment instruction; just recompute it from the Phi
if needed. This simplifies the code a little, and is needed for an
upcoming refactoring.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66479
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Chris Lattner [Mon, 9 Mar 2009 21:34:10 +0000 (21:34 +0000)]
Fix PR3724 by searching for the largest free block when
allocating memory in the JIT. This is insanely inefficient, but
hey, most people implement their own memory managers anyway.
Patch by Eric Yew!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66472
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Devang Patel [Mon, 9 Mar 2009 21:32:28 +0000 (21:32 +0000)]
Remove llvm.dbg.global_variables also.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66471
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Dan Gohman [Mon, 9 Mar 2009 21:22:12 +0000 (21:22 +0000)]
Fix a few more places where induction variable types were used
where memory access types are needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66470
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Dan Gohman [Mon, 9 Mar 2009 21:19:58 +0000 (21:19 +0000)]
Use ReplacedTy instead of recomputing the same value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66469
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Dan Gohman [Mon, 9 Mar 2009 21:14:16 +0000 (21:14 +0000)]
Use LoopInfo's getLoopLatch() instead of doing what it does manualy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66467
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Dan Gohman [Mon, 9 Mar 2009 21:04:19 +0000 (21:04 +0000)]
Don't use an induction variable type as a memory access type.
Use VoidTy instead, to be properly conservative.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66463
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Dan Gohman [Mon, 9 Mar 2009 21:01:17 +0000 (21:01 +0000)]
Factor out the code that determines the memory access type
of an instruction into a helper function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66460
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Chris Lattner [Mon, 9 Mar 2009 20:55:18 +0000 (20:55 +0000)]
Clarify wording, patch by Stefanus Du Toit!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66458
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Devang Patel [Mon, 9 Mar 2009 20:49:37 +0000 (20:49 +0000)]
Add helper pass to remove llvm.dbg.declare intrinsics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66454
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Dan Gohman [Mon, 9 Mar 2009 20:46:50 +0000 (20:46 +0000)]
Move the sorting of the StrideOrder array earlier so that it doesn't
have to be done twice.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66449
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Dan Gohman [Mon, 9 Mar 2009 20:41:15 +0000 (20:41 +0000)]
Delete the isOnlyStride argument, which is unused.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66446
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Dan Gohman [Mon, 9 Mar 2009 20:34:59 +0000 (20:34 +0000)]
Tidy some LSR debug output: announce the loop it's about to process
before it does any processing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66443
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Evan Cheng [Mon, 9 Mar 2009 20:25:39 +0000 (20:25 +0000)]
ARM target now also recognize triplets like thumbv6-apple-darwin and set thumb mode and arch subversion. Eventually thumb triplets will go way and replaced with function notes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66435
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Chris Lattner [Mon, 9 Mar 2009 20:22:18 +0000 (20:22 +0000)]
Fix PR3763 by using proper APInt methods instead of uint64_t's.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66434
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Gabor Greif [Mon, 9 Mar 2009 19:57:49 +0000 (19:57 +0000)]
make the Op<N> methods protected, how it was intended to be
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66430
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Evan Cheng [Mon, 9 Mar 2009 19:15:00 +0000 (19:15 +0000)]
ARM isLegalAddressImmediate should check if type is a simple type now that optimizer can create values of funky scalar types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66429
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Evan Cheng [Mon, 9 Mar 2009 19:00:05 +0000 (19:00 +0000)]
Yet another case where the spiller marked two uses of the same register on the same instruction as kill. This fixes PR3706.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66428
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Evan Cheng [Mon, 9 Mar 2009 18:28:37 +0000 (18:28 +0000)]
Re-apply 66315, but restrict it to Darwin only.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66427
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Bill Wendling [Mon, 9 Mar 2009 18:01:33 +0000 (18:01 +0000)]
Revert r66415. It's causing failures during bootstrap builds:
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://developer.apple.com/bugreporter> for instructions.
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmgcc42.roots/llvmgcc42~obj/src/gcc/libgcc2.c: In function '__muldi3':
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmgcc42.roots/llvmgcc42~obj/src/gcc/libgcc2.c:567: internal compiler error: Bus error
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://developer.apple.com/bugreporter> for instructions.
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmgcc42.roots/llvmgcc42~obj/src/gcc/libgcc2.c: In function '__lshrdi3':
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmgcc42.roots/llvmgcc42~obj/src/gcc/libgcc2.c:421: internal compiler error: Bus error
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://developer.apple.com/bugreporter> for instructions.
make[5]: *** [libgcc/./_lshrdi3.o] Error 1
make[5]: *** Waiting for unfinished jobs....
make[5]: *** [libgcc/./_muldi3.o] Error 1
make[5]: *** [libgcc/./_negdi2.o] Error 1
--- Reverse-merging (from foreign repository) r66415 into '.':
U include/llvm/BasicBlock.h
U include/llvm/ADT/ilist_node.h
U include/llvm/CodeGen/SelectionDAG.h
U include/llvm/CodeGen/MachineFunction.h
U include/llvm/CodeGen/MachineBasicBlock.h
U include/llvm/Function.h
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66426
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Bob Wilson [Mon, 9 Mar 2009 17:07:15 +0000 (17:07 +0000)]
Add a constructor for BuildVectorSDNode and revert the temporary workaround
from 66280. I was unable to verify this with gcc-3.4.6, but with gcc-3.3 it
avoids the "base class with only non-default constructor in class without
a constructor" warning. Apparently that warning was promoted to an error
in gcc-3.4.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66424
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Duncan Sands [Mon, 9 Mar 2009 11:57:08 +0000 (11:57 +0000)]
This debug info special case should no longer
be needed now that these intrinsics are marked
as not accessing memory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66420
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Chris Lattner [Mon, 9 Mar 2009 08:18:48 +0000 (08:18 +0000)]
just remove the use_empty() check entirely, the only reason it
existed was for llvm-gcc 3.4 (which used the __main hack) which
is really really long dead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66417
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Gabor Greif [Mon, 9 Mar 2009 07:09:01 +0000 (07:09 +0000)]
in builds without asserts we do not need to allocate the Next pointer in "ghostly" sentinels
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66415
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Nick Lewycky [Mon, 9 Mar 2009 06:16:46 +0000 (06:16 +0000)]
Regenerate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66407
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Nick Lewycky [Mon, 9 Mar 2009 06:16:26 +0000 (06:16 +0000)]
Remove configurey-fu to autodetect hash_map and hash_set now that they are
no longer used in LLVM.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66406
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Chris Lattner [Mon, 9 Mar 2009 05:52:15 +0000 (05:52 +0000)]
Make the code generator rip of dead constant expr uses before deciding
whether a global is dead or not. This should fix PR3749 - linker adds
spurious use to appending globals. I can't reasonably add a testcase
for this, because the bc writer/reader strip dead constant users.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66404
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Chris Lattner [Mon, 9 Mar 2009 05:50:45 +0000 (05:50 +0000)]
make GlobalValue::removeDeadConstantUsers() const.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66403
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Chris Lattner [Mon, 9 Mar 2009 05:44:59 +0000 (05:44 +0000)]
testcase for PR3744
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66401
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Chris Lattner [Mon, 9 Mar 2009 05:20:45 +0000 (05:20 +0000)]
don't allow hash_map or hash_set.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66400
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Owen Anderson [Mon, 9 Mar 2009 05:12:38 +0000 (05:12 +0000)]
Ignore debug intrinsics when computing dependences.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66399
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Chris Lattner [Mon, 9 Mar 2009 05:11:09 +0000 (05:11 +0000)]
reimplement AliasSetTracker in terms of DenseMap instead of hash_map,
hopefully no functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66398
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Chris Lattner [Mon, 9 Mar 2009 05:10:08 +0000 (05:10 +0000)]
add a #include to improve portability to windows, as requested by
someone on llvmdev.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66397
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Bill Wendling [Mon, 9 Mar 2009 05:04:40 +0000 (05:04 +0000)]
Pass in a std::string when getting the names of debugging things. This cuts down
on the number of times a std::string is created and copied.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66396
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Chris Lattner [Mon, 9 Mar 2009 04:56:22 +0000 (04:56 +0000)]
fix Analysis/BasicAA/2004-12-08-BasicAACrash.ll by allowing opaque types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66395
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Chris Lattner [Mon, 9 Mar 2009 04:49:14 +0000 (04:49 +0000)]
Fix two classes of bugs. First:
validate an invariant so that the asmparser rejects a bad construct
instead of the verifier. Before:
llvm-as: assembly parsed, but does not verify as correct!
Invalid struct return type!
i64 (%struct.Type*, %struct.Type*)* @foo
after:
llvm-as: t.ll:5:8: functions with 'sret' argument must return void
define i64 @foo(%struct.Type* noalias nocapture sret %agg.result, %struct.Type* nocapture byval %t) nounwind {
^
Second, check that void is only used where allowed (in function return types) not in
arbitrary places, fixing PR3747 - Crash in llvm-as with void field in struct. We
now reject that example with:
$ llvm-as t.ll
llvm-as: t.ll:1:12: struct element can not have void type
%x = type {void}
^
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66394
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Chris Lattner [Mon, 9 Mar 2009 04:46:40 +0000 (04:46 +0000)]
Fix PR3746 - Crash in isel with GEP of function pointer
by checking that the top-level type of a gep is sized. This
causes us to reject the example with:
llvm-as: t2.ll:2:16: invalid getelementptr indices
getelementptr i32()* null, i32 1
^
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66393
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Chris Lattner [Mon, 9 Mar 2009 04:45:03 +0000 (04:45 +0000)]
Fix PR3743 - -mmacosx-version-min inappropriate for Mac OS X 10.4.11,
by stripping off any versions past the "10.4".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66392
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Chris Lattner [Sun, 8 Mar 2009 19:13:45 +0000 (19:13 +0000)]
add some explicit llvm:: qualifiers to the unix side, fix problems on the windows side.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66386
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Nick Lewycky [Sun, 8 Mar 2009 19:02:17 +0000 (19:02 +0000)]
Keep calling-convention and tail-call bit when creating new invoke or call.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66384
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Chris Lattner [Sun, 8 Mar 2009 18:44:31 +0000 (18:44 +0000)]
do not export all the X86FastISel symbols, ever.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66382
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Nick Lewycky [Sun, 8 Mar 2009 17:08:09 +0000 (17:08 +0000)]
Fix comments, pointed out by Duncan Sands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66381
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Duncan Sands [Sun, 8 Mar 2009 13:35:23 +0000 (13:35 +0000)]
Apply ODR linkage changes accidentally dropped during
final cleaning. This fixes a bunch of testsuite failures.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66380
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Sebastian Redl [Sun, 8 Mar 2009 11:43:20 +0000 (11:43 +0000)]
Test commit
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66378
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Nick Lewycky [Sun, 8 Mar 2009 06:20:47 +0000 (06:20 +0000)]
Mark function returns as noalias.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66369
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Chris Lattner [Sun, 8 Mar 2009 04:17:04 +0000 (04:17 +0000)]
teach SROA to handle promoting vector allocas with a memset into them into
a vector type instead of into an integer type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66368
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Chris Lattner [Sun, 8 Mar 2009 04:06:26 +0000 (04:06 +0000)]
fix typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66367
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Chris Lattner [Sun, 8 Mar 2009 04:04:21 +0000 (04:04 +0000)]
Enhance SROA to "promote to scalar" allocas which are
memcpy/memmove'd into or out of. This fixes a serious
perf issue that Nate ran into.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66366
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Evan Cheng [Sun, 8 Mar 2009 04:02:49 +0000 (04:02 +0000)]
Recognize triplets starting with armv5-, armv6- etc. And set the ARM arch version accordingly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66365
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Chris Lattner [Sun, 8 Mar 2009 03:59:00 +0000 (03:59 +0000)]
change the MemIntrinsic get/setAlignment method to take an unsigned
instead of a Constant*, which is what the clients of it really want.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66364
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Evan Cheng [Sun, 8 Mar 2009 03:58:35 +0000 (03:58 +0000)]
If a MI uses the same register more than once, only mark one of them as 'kill'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66363
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Chris Lattner [Sun, 8 Mar 2009 03:37:35 +0000 (03:37 +0000)]
use MemTransferInst.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66362
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Chris Lattner [Sun, 8 Mar 2009 03:37:16 +0000 (03:37 +0000)]
Introduce a new MemTransferInst pseudo class, which is a common
parent between MemCpyInst and MemMoveInst, simplify some code to
use it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66361
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Chris Lattner [Sun, 8 Mar 2009 03:04:26 +0000 (03:04 +0000)]
add a note.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66360
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Chris Lattner [Sun, 8 Mar 2009 01:54:43 +0000 (01:54 +0000)]
add a note.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66359
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Chris Lattner [Sun, 8 Mar 2009 01:51:30 +0000 (01:51 +0000)]
implement an optimization to codegen c ? 1.0 : 2.0 as load { 2.0, 1.0 } + c*4.
For 2009-03-07-FPConstSelect.ll we now produce:
_f:
xorl %eax, %eax
testl %edi, %edi
movl $4, %ecx
cmovne %rax, %rcx
leaq LCPI1_0(%rip), %rax
movss (%rcx,%rax), %xmm0
ret
previously we produced:
_f:
subl $4, %esp
cmpl $0, 8(%esp)
movss LCPI1_0, %xmm0
je LBB1_2 ## entry
LBB1_1: ## entry
movss LCPI1_1, %xmm0
LBB1_2: ## entry
movss %xmm0, (%esp)
flds (%esp)
addl $4, %esp
ret
on PPC the code also improves to:
_f:
cntlzw r2, r3
srwi r2, r2, 5
li r3, lo16(LCPI1_0)
slwi r2, r2, 2
addis r3, r3, ha16(LCPI1_0)
lfsx f1, r3, r2
blr
from:
_f:
li r2, lo16(LCPI1_1)
cmplwi cr0, r3, 0
addis r2, r2, ha16(LCPI1_1)
beq cr0, LBB1_2 ; entry
LBB1_1: ; entry
li r2, lo16(LCPI1_0)
addis r2, r2, ha16(LCPI1_0)
LBB1_2: ; entry
lfs f1, 0(r2)
blr
This also improves the existing pic-cpool case from:
foo:
subl $12, %esp
call .Lllvm$1.$piclabel
.Lllvm$1.$piclabel:
popl %eax
addl $_GLOBAL_OFFSET_TABLE_ + [.-.Lllvm$1.$piclabel], %eax
cmpl $0, 16(%esp)
movsd .LCPI1_0@GOTOFF(%eax), %xmm0
je .LBB1_2 # entry
.LBB1_1: # entry
movsd .LCPI1_1@GOTOFF(%eax), %xmm0
.LBB1_2: # entry
movsd %xmm0, (%esp)
fldl (%esp)
addl $12, %esp
ret
to:
foo:
call .Lllvm$1.$piclabel
.Lllvm$1.$piclabel:
popl %eax
addl $_GLOBAL_OFFSET_TABLE_ + [.-.Lllvm$1.$piclabel], %eax
xorl %ecx, %ecx
cmpl $0, 4(%esp)
movl $8, %edx
cmovne %ecx, %edx
fldl .LCPI1_0@GOTOFF(%eax,%edx)
ret
This triggers a few dozen times in spec FP 2000.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66358
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Chris Lattner [Sun, 8 Mar 2009 01:47:41 +0000 (01:47 +0000)]
random cleanups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66357
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Nick Lewycky [Sun, 8 Mar 2009 00:57:09 +0000 (00:57 +0000)]
Fix misaligned whitespace. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66355
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Chris Lattner [Sat, 7 Mar 2009 23:32:02 +0000 (23:32 +0000)]
fix a serious pessimization that Tron on IRC pointed out where we would
"boolify" pointers, generating really awful code because getting the pointer
value requires a load itself. Before:
_foo:
movb $1, _X.b
ret
_get:
xorl %ecx, %ecx
movb _X.b, %al
testb %al, %al
movl $_Y, %eax
cmove %ecx, %eax
ret
With the xform disabled:
_foo:
movl $_Y, _X
ret
_get:
movl _X, %eax
ret
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66351
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Nick Lewycky [Sat, 7 Mar 2009 22:17:05 +0000 (22:17 +0000)]
Revert r66315. Fix the build on mixed 64/32 Linux systems.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66350
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Mikhail Glushenkov [Sat, 7 Mar 2009 20:18:46 +0000 (20:18 +0000)]
Remove some duplication.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66347
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Duncan Sands [Sat, 7 Mar 2009 15:45:40 +0000 (15:45 +0000)]
Introduce new linkage types linkonce_odr, weak_odr, common_odr
and extern_weak_odr. These are the same as the non-odr versions,
except that they indicate that the global will only be overridden
by an *equivalent* global. In C, a function with weak linkage can
be overridden by a function which behaves completely differently.
This means that IP passes have to skip weak functions, since any
deductions made from the function definition might be wrong, since
the definition could be replaced by something completely different
at link time. This is not allowed in C++, thanks to the ODR
(One-Definition-Rule): if a function is replaced by another at
link-time, then the new function must be the same as the original
function. If a language knows that a function or other global can
only be overridden by an equivalent global, it can give it the
weak_odr linkage type, and the optimizers will understand that it
is alright to make deductions based on the function body. The
code generators on the other hand map weak and weak_odr linkage
to the same thing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66339
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Gabor Greif [Sat, 7 Mar 2009 12:33:24 +0000 (12:33 +0000)]
simplify the way how traits get hold of the symbol table
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66336
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Gabor Greif [Sat, 7 Mar 2009 10:49:57 +0000 (10:49 +0000)]
further simplifications arising from peruse of the more declarative interface
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66333
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Gabor Greif [Sat, 7 Mar 2009 10:00:35 +0000 (10:00 +0000)]
Remove the burden of dealing with list offsets
from SymbolTableListTraits' clients, and
intead request a nice declarative interface.
Cleans up an IMHO ugly wart.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66331
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Chris Lattner [Sat, 7 Mar 2009 08:15:47 +0000 (08:15 +0000)]
When a crash signal is delivered do two things: remove all of our
signal handlers to prevent reentrance on unrelated things (a sigabort
where the handle bus errors) also, clear the signal mask so that the
signal doesn't infinitely reissue. This fixes rdar://
6654827 -
Crash causes clang to loop
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66330
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Nate Begeman [Sat, 7 Mar 2009 06:41:19 +0000 (06:41 +0000)]
Finish cross-process JIT work, and clean up previous work.
1. When the JIT is asked to remove a function, updating it's
mapping to 0, we invalidate any function stubs used only
by that function. Now, also invalidate the JIT's mapping
from the GV the stub pointed to, to the address of the GV.
2. When dlsym stubs for cross-process JIT are enabled, do not
abort just because a named function cannot be found in the
JIT's process.
3. Fix various assumptions about when it is ok to use the lazy
resolver when non-lazy JITing is enabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66324
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Dan Gohman [Sat, 7 Mar 2009 01:58:32 +0000 (01:58 +0000)]
Arithmetic instructions don't set EFLAGS bits OF and CF bits
the same say the "test" instruction does in overflow cases,
so eliminating the test is only safe when those bits aren't
needed, as is the case for COND_E and COND_NE, or if it
can be proven that no overflow will occur. For now, just
restrict the optimization to COND_E and COND_NE and don't
do any overflow analysis.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66318
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Evan Cheng [Sat, 7 Mar 2009 01:40:17 +0000 (01:40 +0000)]
If ARCH is x86_64, pass -m64 to the host compiler. -m32 for i386. This makes sure the JIT work correctly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66315
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Daniel Dunbar [Fri, 6 Mar 2009 22:26:07 +0000 (22:26 +0000)]
Add IRBuilder::CreateConstGEP{1, 2}_{32, 64}.
- Names are lame, but it seems better to be explicit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66295
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Daniel Dunbar [Fri, 6 Mar 2009 22:23:25 +0000 (22:23 +0000)]
Rename my makefile debugging rule to prevent accidental collisions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66294
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Daniel Dunbar [Fri, 6 Mar 2009 22:04:43 +0000 (22:04 +0000)]
Add Module::getNamedValue; use to normalize access to Module symbol
table.
- No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66289
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Dale Johannesen [Fri, 6 Mar 2009 21:08:33 +0000 (21:08 +0000)]
Fix another case where debug info interferes with
an optimization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66288
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