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Eric Christopher [Wed, 28 Jul 2010 20:26:43 +0000 (20:26 +0000)]
Regenerate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109647
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Eric Christopher [Wed, 28 Jul 2010 20:26:34 +0000 (20:26 +0000)]
Use a C++ compiler for the atomic builtin check since we'll
be using a C++ compiler to build.
Patch by Török Edwin!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109646
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Dan Gohman [Wed, 28 Jul 2010 20:12:04 +0000 (20:12 +0000)]
Define a maximum supported alignment value for load, store, and
alloca instructions (constrained by their internal encoding),
and add error checking for it. Fix an instcombine bug which
generated huge alignment values (null is infinitely aligned).
This fixes undefined behavior noticed by John Regehr.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109643
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Jakob Stoklund Olesen [Wed, 28 Jul 2010 18:35:46 +0000 (18:35 +0000)]
Print out the regclass of any virtual registers used by a machine instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109608
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Bob Wilson [Wed, 28 Jul 2010 18:21:10 +0000 (18:21 +0000)]
Fix a warning from gcc-4.0 (from the ppc buildbot).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109605
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Rafael Espindola [Wed, 28 Jul 2010 18:12:30 +0000 (18:12 +0000)]
Instead of abusing swapProgramIn, just add a Module argument to
EmitProgressBitcode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109602
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Douglas Gregor [Wed, 28 Jul 2010 17:17:46 +0000 (17:17 +0000)]
Unbreak my CMake build, say you'll compile for me again...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109598
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Dan Gohman [Wed, 28 Jul 2010 17:15:36 +0000 (17:15 +0000)]
Fix this code to avoid decrementing an iterator past the beginning
of a std::vector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109597
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Dan Gohman [Wed, 28 Jul 2010 17:14:23 +0000 (17:14 +0000)]
When user code intentionally dereferences null, the alignment of the
dereference is theoretically infinite. Put a cap on the computed
alignment to avoid overflow, noticed by John Regehr.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109596
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Dan Gohman [Wed, 28 Jul 2010 17:11:36 +0000 (17:11 +0000)]
Do GEP offset calculations with unsigned math rather than signed math
to avoid undefined behavior on overflow, noticed by John Regehr.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109594
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Dan Gohman [Wed, 28 Jul 2010 17:09:24 +0000 (17:09 +0000)]
Add some extra friend declarations to fix a gcc-4.0 compile error.
This is a temporary fix, until more elaborate changes are ready.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109593
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Gabor Greif [Wed, 28 Jul 2010 15:52:43 +0000 (15:52 +0000)]
simplify
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109589
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Daniel Dunbar [Wed, 28 Jul 2010 15:40:20 +0000 (15:40 +0000)]
Support: Add CrashRecoveryContext helper object.
- Designed as a simple wrapper to allow clients to attempt to catch crashes
(memory errors, assertion violations, etc.) and do some kind of recovery.
- Currently doesn't actually attempt to catch crashes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109586
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Gabor Greif [Wed, 28 Jul 2010 15:31:37 +0000 (15:31 +0000)]
simplify
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109585
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Dan Gohman [Wed, 28 Jul 2010 15:17:26 +0000 (15:17 +0000)]
Update svn:ignore properties.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109584
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Gabor Greif [Wed, 28 Jul 2010 14:28:18 +0000 (14:28 +0000)]
use Value* constructor of CallSite to create potentially improper site, and test that
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109581
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Gabor Greif [Wed, 28 Jul 2010 12:35:54 +0000 (12:35 +0000)]
use Value* constructor of CallSite to create potentially improper site, and test that
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109580
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Gabor Greif [Wed, 28 Jul 2010 12:19:46 +0000 (12:19 +0000)]
use Value* constructor of CallSite to create potentially improper site
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109579
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Gabor Greif [Wed, 28 Jul 2010 10:57:28 +0000 (10:57 +0000)]
simplify
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109578
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Gabor Greif [Wed, 28 Jul 2010 10:46:09 +0000 (10:46 +0000)]
simplify
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109577
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Gabor Greif [Wed, 28 Jul 2010 10:44:59 +0000 (10:44 +0000)]
we are supposed to only create proper CallSites from an instruction (esp. CallInst and InvokeInst)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109576
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Eric Christopher [Wed, 28 Jul 2010 01:52:23 +0000 (01:52 +0000)]
Filter out patterns that have PredicateOperands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109572
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Dan Gohman [Wed, 28 Jul 2010 01:09:07 +0000 (01:09 +0000)]
Make SCEVCallbackVH::allUsesReplacedWith update the old SCEVUnknown
object, as it may still be referenced by SCEVs not cleaned up by the
use list traversal.
Also, in ScalarEvolution::forgetValue, only check for a SCEVUnknown
object for the original value, not for any value in the use list,
because other SCEVUnknown values aren't necessary obsolete at that
point.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109570
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Dan Gohman [Wed, 28 Jul 2010 00:28:25 +0000 (00:28 +0000)]
Make SCEVCallbackVH::allUsesReplacedWith unconditionally delete
the old value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109567
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Nate Begeman [Wed, 28 Jul 2010 00:21:48 +0000 (00:21 +0000)]
Implement a vectorized algorithm for <16 x i8> << <16 x i8>
This is about 4x faster and smaller than the existing scalarization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109566
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Dan Gohman [Wed, 28 Jul 2010 00:21:18 +0000 (00:21 +0000)]
Add a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109565
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Owen Anderson [Tue, 27 Jul 2010 23:58:11 +0000 (23:58 +0000)]
Rearrange several datastructures in LazyValueInfo to improve compile time.
This is still not perfect, but better than it was before.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109563
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Owen Anderson [Tue, 27 Jul 2010 23:55:47 +0000 (23:55 +0000)]
Fill out the interface of DenseSet a bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109562
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Stuart Hastings [Tue, 27 Jul 2010 23:15:25 +0000 (23:15 +0000)]
Testcase for r109556. Radar
8198362.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109557
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Gabor Greif [Tue, 27 Jul 2010 22:53:28 +0000 (22:53 +0000)]
reintroduce original (asserting) semantics of CallSite(Instruction *II)
add instead a CallSite(Value* V) constructor that is consistent with ImmutableCallSize
and use that one in client code
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109553
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Nate Begeman [Tue, 27 Jul 2010 22:37:06 +0000 (22:37 +0000)]
~40% faster vector shl <4 x i32> on SSE 4.1 Larger improvements for smaller types coming in future patches.
For:
define <2 x i64> @shl(<4 x i32> %r, <4 x i32> %a) nounwind readnone ssp {
entry:
%shl = shl <4 x i32> %r, %a ; <<4 x i32>> [#uses=1]
%tmp2 = bitcast <4 x i32> %shl to <2 x i64> ; <<2 x i64>> [#uses=1]
ret <2 x i64> %tmp2
}
We get:
_shl: ## @shl
pslld $23, %xmm1
paddd LCPI0_0, %xmm1
cvttps2dq %xmm1, %xmm1
pmulld %xmm1, %xmm0
ret
Instead of:
_shl: ## @shl
pshufd $3, %xmm0, %xmm2
movd %xmm2, %eax
pshufd $3, %xmm1, %xmm2
movd %xmm2, %ecx
shll %cl, %eax
movd %eax, %xmm2
pshufd $1, %xmm0, %xmm3
movd %xmm3, %eax
pshufd $1, %xmm1, %xmm3
movd %xmm3, %ecx
shll %cl, %eax
movd %eax, %xmm3
punpckldq %xmm2, %xmm3
movd %xmm0, %eax
movd %xmm1, %ecx
shll %cl, %eax
movd %eax, %xmm2
movhlps %xmm0, %xmm0
movd %xmm0, %eax
movhlps %xmm1, %xmm1
movd %xmm1, %ecx
shll %cl, %eax
movd %eax, %xmm0
punpckldq %xmm0, %xmm2
movdqa %xmm2, %xmm0
punpckldq %xmm3, %xmm0
ret
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109549
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Gabor Greif [Tue, 27 Jul 2010 22:02:00 +0000 (22:02 +0000)]
recommit simplification (originally r109504, backed out in r109508) now that problem in CallSiteBase is fixed
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109547
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Gabor Greif [Tue, 27 Jul 2010 21:46:11 +0000 (21:46 +0000)]
remove bogus assert, use static_cast for additional checking
left two new asserts commented out, because they would fire in clang, have to hunt those down first
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109544
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Devang Patel [Tue, 27 Jul 2010 20:51:15 +0000 (20:51 +0000)]
It is FE's responsibility to emit proper directory name.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109538
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Chris Lattner [Tue, 27 Jul 2010 18:59:50 +0000 (18:59 +0000)]
make lookup failures not fatal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109530
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Jim Grosbach [Tue, 27 Jul 2010 18:36:27 +0000 (18:36 +0000)]
Grammar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109525
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Devang Patel [Tue, 27 Jul 2010 18:13:53 +0000 (18:13 +0000)]
Update tests to not rely on input file's absolute path.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109521
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Nate Begeman [Tue, 27 Jul 2010 18:02:18 +0000 (18:02 +0000)]
Fix a crash in the dag combiner caused by ConstantFoldBIT_CONVERTofBUILD_VECTOR calling itself
recursively and returning a SCALAR_TO_VECTOR node, but assuming the input was always a BUILD_VECTOR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109519
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Jim Grosbach [Tue, 27 Jul 2010 17:38:47 +0000 (17:38 +0000)]
80 column
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109513
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Jim Grosbach [Tue, 27 Jul 2010 17:14:29 +0000 (17:14 +0000)]
fix typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109511
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Gabor Greif [Tue, 27 Jul 2010 16:44:23 +0000 (16:44 +0000)]
recommit simplification (r109502, backed out r109509); seems to innocent
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109510
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Gabor Greif [Tue, 27 Jul 2010 15:56:07 +0000 (15:56 +0000)]
back out this too to restore the bots
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109509
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Gabor Greif [Tue, 27 Jul 2010 15:18:11 +0000 (15:18 +0000)]
back out r109504, breaks the bots
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109508
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Gabor Greif [Tue, 27 Jul 2010 15:02:37 +0000 (15:02 +0000)]
simplify: CallSite::get --> CallSite constructor
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109506
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Gabor Greif [Tue, 27 Jul 2010 14:38:38 +0000 (14:38 +0000)]
simplify
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109504
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Gabor Greif [Tue, 27 Jul 2010 14:15:29 +0000 (14:15 +0000)]
use ImmutableCallSite for const-corrgoodness
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109503
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Gabor Greif [Tue, 27 Jul 2010 13:31:22 +0000 (13:31 +0000)]
simplify
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109502
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Mikhail Glushenkov [Tue, 27 Jul 2010 11:19:40 +0000 (11:19 +0000)]
Fix silent failure with no input files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109500
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Mikhail Glushenkov [Tue, 27 Jul 2010 11:19:36 +0000 (11:19 +0000)]
Return -1 only on failure to execute a program.
Also fix some comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109499
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Duncan Sands [Tue, 27 Jul 2010 09:09:05 +0000 (09:09 +0000)]
In commit 91421, isPod was changed from false to true for these value handles.
Change it back again: destructors and constructors need to be run.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109498
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Tobias Grosser [Tue, 27 Jul 2010 09:01:26 +0000 (09:01 +0000)]
Make coff-dump.py executable and add python as executable for this script.
This fixes the MC/COFF/basic-coff.ll test case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109497
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Tobias Grosser [Tue, 27 Jul 2010 08:39:43 +0000 (08:39 +0000)]
RegionInfo: Add getMaxRegionExit()
getMaxRegionExit returns the exit of the maximal refined region starting
at a specific basic block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109496
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Duncan Sands [Tue, 27 Jul 2010 06:53:14 +0000 (06:53 +0000)]
After updating value handles for RAUW, check that no weak or tracking handles
are still on the list. This might happen if a CallbackVH created some new value
handles for the old value when doing RAUW. Barf if it occurs, since it is almost
certainly a mistake.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109495
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Michael J. Spencer [Tue, 27 Jul 2010 06:46:15 +0000 (06:46 +0000)]
Make MC use Windows COFF on Windows and add tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109494
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Tobias Grosser [Tue, 27 Jul 2010 04:17:13 +0000 (04:17 +0000)]
Add function to query RegionInfo about loops.
* contains(Loop), * getOutermostLoop()
* Improve getNameStr() to return a sensible name, if basic blocks are not named.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109490
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Jakob Stoklund Olesen [Tue, 27 Jul 2010 04:17:01 +0000 (04:17 +0000)]
The isLoadFromStackSlot and isStoreToStackSlot have no way of reporting
subregister operands like this:
%reg1040:sub_32bit<def> = MOV32rm <fi#-2>, 1, %reg0, 0, %reg0, %reg1040<imp-def>; mem:LD4[FixedStack-2](align=8)
Make them return false when subreg operands are present. VirtRegRewriter is
making bad assumptions otherwise.
This fixes PR7713.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109489
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Jakob Stoklund Olesen [Tue, 27 Jul 2010 04:16:58 +0000 (04:16 +0000)]
Add assertions that expose the PR7713 miscompilation: Accessing a stack slot
with a too-big register class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109488
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Bill Wendling [Tue, 27 Jul 2010 01:55:19 +0000 (01:55 +0000)]
It's better to have the arrays, which would trigger the creation of stack
protectors, to be near the stack protectors on the stack. Accomplish this by
tagging the stack object with a predicate that indicates that it would trigger
this. In the prolog-epilog inserter, assign these objects to the stack after the
stack protector but before the other objects.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109481
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Dan Gohman [Tue, 27 Jul 2010 01:19:06 +0000 (01:19 +0000)]
Use AssertingVH for InsertedValues and InsertedPostIncValues, to verify
that the values they refer to aren't being deleted underneath them.
Make sure these containters get cleared by clear(), which IndVarSimplify
and LSR both use before deleting instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109478
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Owen Anderson [Tue, 27 Jul 2010 00:04:55 +0000 (00:04 +0000)]
(Hopefully) One last test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109473
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Owen Anderson [Tue, 27 Jul 2010 00:00:47 +0000 (00:00 +0000)]
Another test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109472
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Owen Anderson [Mon, 26 Jul 2010 23:58:46 +0000 (23:58 +0000)]
Another test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109471
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Jakob Stoklund Olesen [Mon, 26 Jul 2010 23:44:11 +0000 (23:44 +0000)]
Add SplitEditor to SplitKit. This class will be used to edit live intervals and
rewrite instructions for live range splitting.
Still work in progress.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109469
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Dan Gohman [Mon, 26 Jul 2010 23:40:24 +0000 (23:40 +0000)]
Fix a use-after-free.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109468
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Bill Wendling [Mon, 26 Jul 2010 22:36:52 +0000 (22:36 +0000)]
Using llvm.eh.catch.all.value instead of .llvm.eh.catch.all.value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109462
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Eli Friedman [Mon, 26 Jul 2010 22:28:18 +0000 (22:28 +0000)]
And a bit more non-ASCII stuff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109458
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Anton Korobeynikov [Mon, 26 Jul 2010 22:23:07 +0000 (22:23 +0000)]
Drop some non-ascii stuff
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109456
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Bob Wilson [Mon, 26 Jul 2010 21:58:00 +0000 (21:58 +0000)]
Don't call __register_frame from the JIT on systems that use setjmp/longjmp
exception handling. Also fix an extra underscore typo in one instance of
"__ARM_EABI__". Radar
8236264.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109451
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Evan Cheng [Mon, 26 Jul 2010 21:50:05 +0000 (21:50 +0000)]
On x86, f32 / f64 nodes share the same registers as 128-bit vector values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109450
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Evan Cheng [Mon, 26 Jul 2010 21:49:07 +0000 (21:49 +0000)]
The "excess register pressure" returned by HighRegPressure() is not accurate enough to factor into scheduling priority. Eliminate it and add early exits to speed up scheduling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109449
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Anton Korobeynikov [Mon, 26 Jul 2010 21:48:35 +0000 (21:48 +0000)]
Add a note
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109448
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Dan Gohman [Mon, 26 Jul 2010 21:05:37 +0000 (21:05 +0000)]
Add a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109435
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Bruno Cardoso Lopes [Mon, 26 Jul 2010 21:01:18 +0000 (21:01 +0000)]
Temporary hack to let codegen assert or generate poor code in case
we are using AVX and no AVX version of the desired intruction is present,
this is better for incremental dev (without fallbacks it's easier to spot
what's missing). Not sure this is the best hack thought (we can also disable
all HasSSE* predicates by dinamically marking them 'false' if AVX is present)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109434
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Owen Anderson [Mon, 26 Jul 2010 20:51:45 +0000 (20:51 +0000)]
Testing some more.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109433
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Owen Anderson [Mon, 26 Jul 2010 20:19:04 +0000 (20:19 +0000)]
Test some more.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109431
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Dan Gohman [Mon, 26 Jul 2010 20:15:47 +0000 (20:15 +0000)]
Fix library build messages.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109430
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Dan Gohman [Mon, 26 Jul 2010 20:11:39 +0000 (20:11 +0000)]
Add svn:ignore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109429
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Gabor Greif [Mon, 26 Jul 2010 18:48:07 +0000 (18:48 +0000)]
re-commit r109220, the compile error has already been fixed
Simplifying use_iterators by dereferencing
is not a good idea. The codebase does not depend
in this any more, and it may introduce hidden
runtime cost. If you get compile errors, please
dereference your iterator before passing to cast<>
(and friends).
Also: please consider caching the result of
operator* and reusing that instead of dereferencing
many times.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109425
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Owen Anderson [Mon, 26 Jul 2010 18:48:03 +0000 (18:48 +0000)]
Add an initial implementation of LazyValueInfo updating for JumpThreading. Disabled for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109424
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Anton Korobeynikov [Mon, 26 Jul 2010 18:45:39 +0000 (18:45 +0000)]
Currently EH lowering code expects typeinfo to be global only.
This assumption is not satisfied due to global mergeing.
Workaround the issue by temporary disablinge mergeing of const globals.
Also, ignore LLVM "special" globals. This fixes PR7716
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109423
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Owen Anderson [Mon, 26 Jul 2010 18:44:56 +0000 (18:44 +0000)]
Fix a test with malformed IR. Not sure why this didn't fail before.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109422
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Evan Cheng [Mon, 26 Jul 2010 18:32:55 +0000 (18:32 +0000)]
ARM fastisel isn't ready.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109421
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Owen Anderson [Mon, 26 Jul 2010 18:31:17 +0000 (18:31 +0000)]
One more test commit...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109420
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Dan Gohman [Mon, 26 Jul 2010 18:28:14 +0000 (18:28 +0000)]
Fix SCEVExpander::visitAddRecExpr so that it remembers the induction variable
it inserted rather than using LoopInfo::getCanonicalInductionVariable to
rediscover it, since that doesn't work on non-canonical loops. This fixes
infinite recurrsion on such loops; PR7562.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109419
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Dan Gohman [Mon, 26 Jul 2010 18:15:41 +0000 (18:15 +0000)]
Handle Values with no value in getCopyFromRegs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109415
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Owen Anderson [Mon, 26 Jul 2010 18:13:21 +0000 (18:13 +0000)]
Hopefully the last test commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109414
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Dan Gohman [Mon, 26 Jul 2010 18:11:16 +0000 (18:11 +0000)]
Remove LCSSA's bogus dependence on LoopSimplify and LoopSimplify's bogus
dependence on DominanceFrontier. Instead, add an explicit DominanceFrontier
pass in StandardPasses.h to ensure that it gets scheduled at the right
time.
Declare that loop unrolling preserves ScalarEvolution, and shuffle some
getAnalysisUsages.
This eliminates one LoopSimplify and one LCCSA run in the standard
compile opts sequence.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109413
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Dan Gohman [Mon, 26 Jul 2010 18:02:06 +0000 (18:02 +0000)]
Preserve ScalarEvolution in the loop unroller.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109412
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Owen Anderson [Mon, 26 Jul 2010 18:00:59 +0000 (18:00 +0000)]
Another test commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109411
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Dan Gohman [Mon, 26 Jul 2010 18:00:43 +0000 (18:00 +0000)]
Avoid depending on LCSSA implicitly pulling in LoopSimplify.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109410
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Owen Anderson [Mon, 26 Jul 2010 17:56:42 +0000 (17:56 +0000)]
Test commit for new post-commit hooks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109409
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Dan Gohman [Mon, 26 Jul 2010 17:55:15 +0000 (17:55 +0000)]
Fix (at least) quadratic worst-case complexity in DominanceFrontier::splitBlock:
don't visit all blocks in the function, and don't iterate over the split blocks'
predecessor lists for each block visited.
Also, remove the special-case test for the entry block. Splitting the entry
block isn't common enough to make this worthwhile.
This fixes a major compile-time bottleneck which is exposed now that
LoopSimplify isn't being redundantly run both before and after
DominanceFrontier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109408
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Eric Christopher [Mon, 26 Jul 2010 17:53:07 +0000 (17:53 +0000)]
80-col.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109407
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Dan Gohman [Mon, 26 Jul 2010 17:45:33 +0000 (17:45 +0000)]
Avoid copying and recopying a std::set.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109405
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Dan Gohman [Mon, 26 Jul 2010 17:41:45 +0000 (17:41 +0000)]
Exit a search loop when the search goal is found.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109404
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Dan Gohman [Mon, 26 Jul 2010 17:39:33 +0000 (17:39 +0000)]
Fix formatting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109403
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Dan Gohman [Mon, 26 Jul 2010 17:38:15 +0000 (17:38 +0000)]
A block dominates itself, by definition.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109402
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Dan Gohman [Mon, 26 Jul 2010 17:37:36 +0000 (17:37 +0000)]
Use DominatorTree::properlyDominates instead of dominates with an
explicit inequality check.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109401
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Dan Gohman [Mon, 26 Jul 2010 17:35:32 +0000 (17:35 +0000)]
A block dominates itself, by definition.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109400
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Dan Gohman [Mon, 26 Jul 2010 17:34:05 +0000 (17:34 +0000)]
Use DominatorTree::properlyDominates instead of dominates with an
explicit inequality check.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109398
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