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David Blaikie [Mon, 18 May 2015 22:40:13 +0000 (22:40 +0000)]
Revert "[opaque pointer type] Provide a convenience for IRBuilder::CreateCall that accepts a Function without needing to take an explicit callee Type"
Creates ambiguity in Clang callers. Reverting while I figure it out.
This reverts commit r237627.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237629
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Filipe Cabecinhas [Mon, 18 May 2015 22:27:11 +0000 (22:27 +0000)]
[BitcodeReader] Make sure the type of the inserted value matches the type of the aggregate at those indices
Bug found with AFL-fuzz.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237628
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David Blaikie [Mon, 18 May 2015 22:25:14 +0000 (22:25 +0000)]
[opaque pointer type] Provide a convenience for IRBuilder::CreateCall that accepts a Function without needing to take an explicit callee Type
The common case is a direct call, so don't make all those users have to
explicitly pass the result of llvm::Function::getFunctionType.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237627
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David Blaikie [Mon, 18 May 2015 22:13:54 +0000 (22:13 +0000)]
Simplify IRBuilder::CreateCall* by using ArrayRef+initializer_list/braced init only
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237624
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Eric Christopher [Mon, 18 May 2015 22:12:43 +0000 (22:12 +0000)]
80-col fixup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237623
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Eric Christopher [Mon, 18 May 2015 22:12:41 +0000 (22:12 +0000)]
Fix grammar in comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237622
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Tim Northover [Mon, 18 May 2015 22:07:20 +0000 (22:07 +0000)]
AArch64: work around ld64 bug more aggressively.
ld64 currently mishandles internal pointer relocations (i.e.
ARM64_RELOC_UNSIGNED referred to by section & offset rather than symbol). The
existing __cfstring clause was an early discovery and workaround for this, but
the problem is wider and we should avoid such relocations wherever possible for
now.
This code should be reverted to allowing internal relocations as soon as
possible.
PR23437.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237621
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Eric Christopher [Mon, 18 May 2015 21:49:02 +0000 (21:49 +0000)]
Fix some odd whitespace and formatting errors while making
changes in ConstantsContext.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237620
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Filipe Cabecinhas [Mon, 18 May 2015 21:48:55 +0000 (21:48 +0000)]
Extract the load/store type verification to a separate function.
Summary:
Added isLoadableOrStorableType to PointerType.
We were doing some checks in some places, occasionally assert()ing instead
of telling the caller. With this patch, I'm putting all type checking in
the same place for load/store type instructions, and verifying the same
thing every time.
I also added a check for load/store of a function type.
Applied extracted check to Load, Store, and Cmpxcg.
I don't have exhaustive tests for all of these, but all Error() calls in
TypeCheckLoadStoreInst are being tested (in invalid.test).
Reviewers: dblaikie, rafael
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D9785
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237619
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Kostya Serebryany [Mon, 18 May 2015 21:34:20 +0000 (21:34 +0000)]
[lib/Fuzzer] when -sync_command=<CMD> is given, periodically execute 'CMD CORPUS' to synchronize with other processes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237617
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Benjamin Kramer [Mon, 18 May 2015 21:11:27 +0000 (21:11 +0000)]
[YAML] Plug a memory leak
The destructor of BlockScalarNode is never called. Store the contained
string in BumpPtrAllocated memory instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237614
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Matthias Braun [Mon, 18 May 2015 20:27:55 +0000 (20:27 +0000)]
MachineInstr: Change return value of getOpcode() to unsigned.
This was previously returning int. However there are no negative opcode
numbers and more importantly this was needlessly different from
MCInstrDesc::getOpcode() (which even is the value returned here) and
SDValue::getOpcode()/SDNode::getOpcode().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237611
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Chen Li [Mon, 18 May 2015 19:50:14 +0000 (19:50 +0000)]
[Verifier] Assert gc_relocate always return a pointer type
Summary: Add an assertion in verifier.cpp to make sure gc_relocate relocate a gc pointer, and its return type has the same address space with the relocated pointer.
Reviewers: reames, AndyAyers, sanjoy, pgavlin
Reviewed By: pgavlin
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D9695
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237605
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Chen Li [Mon, 18 May 2015 19:02:25 +0000 (19:02 +0000)]
[PlaceSafepoints] Assertion on that gc_result can not have preceding phis should only apply to invoke statepoint
Summary: When PlaceSafepoints pass replaces old return result with gc_result from statepoint, it asserts that gc_result can not have preceding phis in its parent block. This is only true on invoke statepoint, which terminates the block and puts its result at the beginning of the normal successor block. Call statepoint does not terminate the block and thus its result is in the same block with it. There should be no restriction on whether there are phis or not.
Reviewers: reames, igor-laevsky
Reviewed By: igor-laevsky
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D9803
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237597
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Jim Grosbach [Mon, 18 May 2015 18:43:23 +0000 (18:43 +0000)]
MC: clang-format MCContext. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237595
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Jim Grosbach [Mon, 18 May 2015 18:43:14 +0000 (18:43 +0000)]
MC: Clean up method names in MCContext.
The naming was a mish-mash of old and new style. Update to be consistent
with the new. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237594
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Sanjoy Das [Mon, 18 May 2015 18:07:00 +0000 (18:07 +0000)]
Exploit dereferenceable_or_null attribute in LICM pass
Summary:
Allow hoisting of loads from values marked with dereferenceable_or_null
attribute. For values marked with the attribute perform
context-sensitive analysis to determine whether it's known-non-null or
not.
Patch by Artur Pilipenko!
Reviewers: hfinkel, sanjoy, reames
Reviewed By: reames
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D9253
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237593
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Tim Northover [Mon, 18 May 2015 17:10:40 +0000 (17:10 +0000)]
ARM: allow jump tables to be placed as constant islands.
Previously, they were forced to immediately follow the actual branch
instruction. This was usually OK (the LEAs actually accessing them got emitted
nearby, and weren't usually separated much afterwards). Unfortunately, a
sufficiently nasty phi elimination dumps many instructions right before the
basic block terminator, and this can increase the range too much.
This patch frees them up to be placed as usual by the constant islands pass,
and consequently has to slightly modify the form of TBB/TBH tables to refer to
a PC-relative label at the final jump. The other jump table formats were
already position-independent.
rdar://
20813304
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237590
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Jingyue Wu [Mon, 18 May 2015 17:03:25 +0000 (17:03 +0000)]
[ScalarEvolution] refactor: extract interface getGEPExpr
Summary:
This allows other passes (such as SLSR) to compute the SCEV expression for an
imaginary GEP.
Test Plan: no regression
Reviewers: atrick, sanjoy
Reviewed By: sanjoy
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D9786
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237589
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Hans Wennborg [Mon, 18 May 2015 16:54:17 +0000 (16:54 +0000)]
Fix llvm::BumpPtrAllocatorImpl::Reset()
BumpPtrAllocator's Reset wouldn't clear CustomSizedSlabs if Slabs.size() == 0.
Patch by Kal <
b17c0de@gmail.com>!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237588
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Andrew Trick [Mon, 18 May 2015 16:49:34 +0000 (16:49 +0000)]
indvars cruft: don't replace phi nodes for no reason.
Don't replace a phi with an identical phi. This was done long ago to
"preserve" IVUsers analysis. The code has already called
SE->forgetValue(PN) so I see no purpose in creating a new value for
the phi.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237587
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Andrew Trick [Mon, 18 May 2015 16:49:31 +0000 (16:49 +0000)]
SimplifyIV comments and dead argument cleanup.
Remove crufty comments. IVUsers hasn't been used here for a long time.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237586
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James Y Knight [Mon, 18 May 2015 16:43:33 +0000 (16:43 +0000)]
Sparc: support the "set" synthetic instruction.
This pseudo-instruction expands into 'sethi' and 'or' instructions,
or, just one of them, if the other isn't necessary for a given value.
Differential Revision: http://reviews.llvm.org/D9089
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237585
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Hal Finkel [Mon, 18 May 2015 16:42:10 +0000 (16:42 +0000)]
Preserve the order of READ_REGISTER and WRITE_REGISTER
At the present time, we don't have a way to represent general dependency
relationships, so everything is represented using memory dependency. In order
to preserve the data dependency of a READ_REGISTER on WRITE_REGISTER, we need
to model WRITE_REGISTER as writing (which we had been doing) and model
READ_REGISTER as reading (which we had not been doing). Fix this, and also the
way that the chain operands were generated at the SDAG level.
Patch by Nicholas Paul Johnson, thanks! Test case by me.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237584
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Oliver Stannard [Mon, 18 May 2015 16:39:16 +0000 (16:39 +0000)]
Revert r237579, as it broke windows buildbots
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237583
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James Y Knight [Mon, 18 May 2015 16:38:47 +0000 (16:38 +0000)]
Sparc: Support PSR, TBR, WIM read/write instructions.
Differential Revision: http://reviews.llvm.org/D8971
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237582
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James Y Knight [Mon, 18 May 2015 16:35:04 +0000 (16:35 +0000)]
Sparc: Add the "alternate address space" load/store instructions.
- Adds support for the asm syntax, which has an immediate integer
"ASI" (address space identifier) appearing after an address, before
a comma.
- Adds the various-width load, store, and swap in alternate address
space instructions. (ldsba, ldsha, lduba, lduha, lda, stba, stha,
sta, swapa)
This does not attempt to hook these instructions up to pointer address
spaces in LLVM, although that would probably be a reasonable thing to
do in the future.
Differential Revision: http://reviews.llvm.org/D8904
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237581
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James Y Knight [Mon, 18 May 2015 16:29:48 +0000 (16:29 +0000)]
Add support for the Sparc implementation-defined "ASR" registers.
(Note that register "Y" is essentially just ASR0).
Also added some test cases for divide and multiply, which had none before.
Differential Revision: http://reviews.llvm.org/D8670
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237580
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Oliver Stannard [Mon, 18 May 2015 16:23:33 +0000 (16:23 +0000)]
[LLVM - ARM/AArch64] Add ACLE special register intrinsics
This patch implements LLVM support for the ACLE special register intrinsics in
section 10.1, __arm_{w,r}sr{,p,64}.
This patch is intended to lower the read/write_register instrinsics, used to
implement the special register intrinsics in the clang patch for special
register intrinsics (see http://reviews.llvm.org/D9697), to ARM specific
instructions MRC,MCR,MSR etc. to allow reading an writing of coprocessor
registers in AArch32 and AArch64. This is done by inspecting the register
string passed to the intrinsic and then lowering to the appropriate
instruction.
Patch by Luke Cheeseman.
Differential Revision: http://reviews.llvm.org/D9699
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237579
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Hal Finkel [Mon, 18 May 2015 15:46:02 +0000 (15:46 +0000)]
[DAGCombine] Be more pedantic about use iteration in CombineToPreIndexedLoadStore
In CombineToPreIndexedLoadStore, when the offset is a constant, we have code
that looks for other uses of the pointer which are constant offset computations
so that they can be rewritten in terms of the updated pointer so that we don't
need to keep a copy of the base pointer to compute these constant offsets.
Unfortunately, when it iterated over the uses, it did so by SDNodes, and so we
could confuse ourselves if the base pointer was produced by a node that had
multiple results (because we would not immediately exclude uses of the other
node results). This was reported as PR22755. Unfortunately, we don't have a
test case (and I've also been unable to produce one thus far), but at least the
mistake is clear. The right way to fix this problem is to make use of the information
contained in the use iterators to filter out any uses of other results of the
node producing the base pointer.
This should be mostly NFC, but should also fix PR22755 (for which,
unfortunately, we have no in-tree test case).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237576
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Adam Nemet [Mon, 18 May 2015 15:37:03 +0000 (15:37 +0000)]
[LoopAccesses] If shouldRetryWithRuntimeCheck, reset InterestingDependences
When dependence analysis encounters a non-constant distance between
memory accesses it aborts the analysis and falls back to run-time checks
only. In this case we weren't resetting the array of dependences.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237574
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Adam Nemet [Mon, 18 May 2015 15:36:57 +0000 (15:36 +0000)]
[LoopAccesses] Rearrange printed lines in -analyze
"Store to invariant address..." is moved as the last line. This is not
the prime result of the analysis. Plus it simplifies some of the tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237573
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Adam Nemet [Mon, 18 May 2015 15:36:52 +0000 (15:36 +0000)]
[LoopAccesses] Debug improvement
Report pointers with unknown bounds.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237572
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Jozef Kolek [Mon, 18 May 2015 11:44:30 +0000 (11:44 +0000)]
[mips][microMIPSr6] Implement ALIGN and AUI instructions
This patch implements ALIGN and AUI instructions using mapping.
Differential Revision: http://reviews.llvm.org/D8782
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237563
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Elena Demikhovsky [Mon, 18 May 2015 07:24:19 +0000 (07:24 +0000)]
AVX-512: Added intrinsics for ADDSS/D, MULSS/D, SUBSS/D, DIVSS/D
instructions. These intrinsics are comming with rounding mode.
Added intrinsics for MAXSS/D, MINSS/D - with and without sae.
By Asaf Badouh (asaf.badouh@intel.com)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237560
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Elena Demikhovsky [Mon, 18 May 2015 07:10:25 +0000 (07:10 +0000)]
fixed compilation warning/error
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237559
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Elena Demikhovsky [Mon, 18 May 2015 07:06:23 +0000 (07:06 +0000)]
AVX-512: Added patterns for scalar-to-vector broadcast
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237558
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Elena Demikhovsky [Mon, 18 May 2015 06:42:57 +0000 (06:42 +0000)]
AVX-512: Added VBROADCASTF64X4, VBROADCASTF64X2, VBROADCASTI32X8, and other instructions from this set
Added encoding tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237557
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Hal Finkel [Mon, 18 May 2015 06:25:59 +0000 (06:25 +0000)]
[PowerPC] Add extra r2 read deps on @toc@l relocations
If some commits are happy, and some commits are sad, this is a sad commit. It
is sad because it restricts instruction scheduling to work around a binutils
linker bug, and moreover, one that may never be fixed. On 2012-05-21, GCC was
updated not to produce code triggering this bug, and now we'll do the same...
When resolving an address using the ELF ABI TOC pointer, two relocations are
generally required: one for the high part and one for the low part. Only
the high part generally explicitly depends on r2 (the TOC pointer). And, so,
we might produce code like this:
.Ltmp526:
addis 3, 2, .LC12@toc@ha
.Ltmp1628:
std 2, 40(1)
ld 5, 0(27)
ld 2, 8(27)
ld 11, 16(27)
ld 3, .LC12@toc@l(3)
rldicl 4, 4, 0, 32
mtctr 5
bctrl
ld 2, 40(1)
And there is nothing wrong with this code, as such, but there is a linker bug
in binutils (https://sourceware.org/bugzilla/show_bug.cgi?id=18414) that will
misoptimize this code sequence to this:
nop
std r2,40(r1)
ld r5,0(r27)
ld r2,8(r27)
ld r11,16(r27)
ld r3,-32472(r2)
clrldi r4,r4,32
mtctr r5
bctrl
ld r2,40(r1)
because the linker does not know (and does not check) that the value in r2
changed in between the instruction using the .LC12@toc@ha (TOC-relative)
relocation and the instruction using the .LC12@toc@l(3) relocation.
Because it finds these instructions using the relocations (and not by
scanning the instructions), it has been asserted that there is no good way
to detect the change of r2 in between. As a result, this bug may never be
fixed (i.e. it may become part of the definition of the ABI). GCC was
updated to add extra dependencies on r2 to instructions using the @toc@l
relocations to avoid this problem, and we'll do the same here.
This is done as a separate pass because:
1. These extra r2 dependencies are not really properties of the
instructions, but rather due to a linker bug, and maybe one day we'll be
able to get rid of them when targeting linkers without this bug (and,
thus, keeping the logic centralized here will make that
straightforward).
2. There are ISel-level peephole optimizations that propagate the @toc@l
relocations to some user instructions, and so the exta dependencies do
not apply only to a fixed set of instructions (without undesirable
definition replication).
The test case was reduced with the help of bugpoint, with minimal cleaning. I'm
looking forward to our upcoming MI serialization support, and with that, much
better tests can be created.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237556
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Andrew Trick [Sun, 17 May 2015 23:40:31 +0000 (23:40 +0000)]
MachineScheduler debug output clarity.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237545
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Andrew Trick [Sun, 17 May 2015 23:40:27 +0000 (23:40 +0000)]
RegisterPressureTracker: reword stale comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237544
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James Molloy [Sun, 17 May 2015 08:27:27 +0000 (08:27 +0000)]
Reapply r237520 with another fix for infinite looping
SimplifyDemandedBits was "simplifying" a constant by removing just sign bits.
This caused a canonicalization race between different parts of instcombine.
Fix and regression test added - third time lucky?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237539
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Elena Demikhovsky [Sun, 17 May 2015 08:08:06 +0000 (08:08 +0000)]
AVX-512: fixed extended load to 512-bit register
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237537
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Elena Demikhovsky [Sun, 17 May 2015 07:28:51 +0000 (07:28 +0000)]
AVX-512: fixed a bug in mask operations - (i1 1) pattern
Filling k-reg with all-ones value was wrong,
(i1 1) should switch on only one bit in mask register
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237536
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Logan Chien [Sun, 17 May 2015 02:44:31 +0000 (02:44 +0000)]
Code cleanup: Reindent Fuzzer::MutateAndTestOne.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237533
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James Molloy [Sat, 16 May 2015 21:27:14 +0000 (21:27 +0000)]
Revert commits r237521 and r237520.
The AArch64 LNT bot is unhappy - I've found that the problem is in
SimpliftDemandedBits, but that's going to require another code review
so reverting in the meantime.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237528
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Benjamin Kramer [Sat, 16 May 2015 16:16:35 +0000 (16:16 +0000)]
Move Pass into anonymous namespace. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237526
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Benjamin Kramer [Sat, 16 May 2015 15:40:03 +0000 (15:40 +0000)]
[WinEH] Push unique_ptr through the Action interface.
This was the source of many leaks in the past, this should fix them once and
for all.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237524
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Benjamin Kramer [Sat, 16 May 2015 14:19:54 +0000 (14:19 +0000)]
DenseMap: Remove poisoning of unused memory.
DenseMap has great support for catching invalidated iterators now so we can get
rid of this crude hack. Use after frees are covered by asan.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237523
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Benjamin Kramer [Sat, 16 May 2015 13:54:08 +0000 (13:54 +0000)]
MC: Lower the default alignment of MCContext's operator new to 8
This is more than sufficient for all MC types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237522
91177308-0d34-0410-b5e6-
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James Molloy [Sat, 16 May 2015 13:26:25 +0000 (13:26 +0000)]
Update to r237520 - swap order of CHECK-NEXT lines.
... I'd copied the check-next lines from a previous test so they were
slightly wrong, and had managed to test the wrong source tree. D'oh!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237521
91177308-0d34-0410-b5e6-
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James Molloy [Sat, 16 May 2015 13:10:45 +0000 (13:10 +0000)]
Reapply r237453 with a fix for the test timeouts.
The test timeouts were due to instcombine fighting itself. Regression test added.
Original log message:
Canonicalize min/max expressions correctly.
This patch introduces a canonical form for min/max idioms where one operand
is extended or truncated. This often happens when the other operand is a
constant. For example:
%1 = icmp slt i32 %a, i32 0
%2 = sext i32 %a to i64
%3 = select i1 %1, i64 %2, i64 0
Would now be canonicalized into:
%1 = icmp slt i32 %a, i32 0
%2 = select i1 %1, i32 %a, i32 0
%3 = sext i32 %2 to i64
This builds upon a patch posted by David Majenemer
(https://www.marc.info/?l=llvm-commits&m=
143008038714141&w=2). That pass
passively stopped instcombine from ruining canonical patterns. This
patch additionally actively makes instcombine canonicalize too.
Canonicalization of expressions involving a change in type from int->fp
or fp->int are not yet implemented.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237520
91177308-0d34-0410-b5e6-
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Daniel Sanders [Sat, 16 May 2015 12:09:54 +0000 (12:09 +0000)]
[x86] Distinguish the 'o', 'v', 'X', and 'i' inline assembly memory constraints.
Summary:
But still handle them the same way since I don't know how they differ on
this target.
Of these, 'o' and 'v' are not tested but were already implemented.
I'm not sure why 'i' is required for X86 since it's supposed to be an
immediate constraint rather than a memory constraint. A test asserts
without it so I've included it for now.
No functional change intended.
Reviewers: nadav
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D8254
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237517
91177308-0d34-0410-b5e6-
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Renato Golin [Sat, 16 May 2015 10:23:48 +0000 (10:23 +0000)]
Improve check on git-svnrevert, better error message
When the commit is not in the tree at all, find-rev returns 0
and prints an empty string. We need to catch that problem too,
when trying to revert.
Adding a list of possible problems, so that you can easily and
quickly correct without having to edit the script again.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237516
91177308-0d34-0410-b5e6-
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Craig Topper [Sat, 16 May 2015 05:42:13 +0000 (05:42 +0000)]
[TableGen] Change 'car' to 'head' and 'cdr' to 'tail' in assert comments. These were the old names for these operations long ago. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237514
91177308-0d34-0410-b5e6-
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Craig Topper [Sat, 16 May 2015 05:42:11 +0000 (05:42 +0000)]
[TableGen] Remove !! that I can't really explain why I wrote. Also remove some unnecessary curly braces from the same area.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237513
91177308-0d34-0410-b5e6-
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Craig Topper [Sat, 16 May 2015 05:42:08 +0000 (05:42 +0000)]
Correct indentation. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237512
91177308-0d34-0410-b5e6-
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Craig Topper [Sat, 16 May 2015 05:42:03 +0000 (05:42 +0000)]
[TableGen] Restructure a loop to make it exit early instead of skipping a portion of the body based on what will also be the terminating condition. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237511
91177308-0d34-0410-b5e6-
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Matthias Braun [Sat, 16 May 2015 03:11:07 +0000 (03:11 +0000)]
MachineSink: Collect registers before clearing their killflags.
Currently whenever we sink any instruction, we do clearKillFlags for
every use of every use operand for that instruction, apparently there
are a lot of duplication, therefore compile time penalties.
This patch collect all the interested registers first, do clearKillFlags
for it all together at once at the end, so we only need to do
clearKillFlags once for one register, duplication is avoided.
Patch by Lawrence Hu!
Differential Revision: http://reviews.llvm.org/D9719
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237510
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Ahmed Bougacha [Sat, 16 May 2015 01:32:26 +0000 (01:32 +0000)]
[MemCpyOpt] Turn memcpy from just-memset'd source into memset.
There's no point in copying around constants, so, when all else fails,
we can still transform memcpy of memset into two independent memsets.
To quote the example, we can turn:
memset(dst1, c, dst1_size);
memcpy(dst2, dst1, dst2_size);
into:
memset(dst1, c, dst1_size);
memset(dst2, c, dst2_size);
When dst2_size <= dst1_size.
Like r235232 for copy constructors, this can occur in move constructors.
Differential Revision: http://reviews.llvm.org/D9682
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237506
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Ahmed Bougacha [Sat, 16 May 2015 01:23:47 +0000 (01:23 +0000)]
[MemCpyOpt] Remove dead argument. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237503
91177308-0d34-0410-b5e6-
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Duncan P. N. Exon Smith [Sat, 16 May 2015 01:14:19 +0000 (01:14 +0000)]
MC: Use MCSymbol in RelAndSymbol, NFC
Switch from `MCSymbolData` to `MCSymbol`.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237502
91177308-0d34-0410-b5e6-
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Ahmed Bougacha [Sat, 16 May 2015 01:10:40 +0000 (01:10 +0000)]
Remove dead code in testcase. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237501
91177308-0d34-0410-b5e6-
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Bill Schmidt [Sat, 16 May 2015 01:02:12 +0000 (01:02 +0000)]
[PPC64] Add vector pack/unpack support from ISA 2.07
This patch adds support for the following new instructions in the
Power ISA 2.07:
vpksdss
vpksdus
vpkudus
vpkudum
vupkhsw
vupklsw
These instructions are available through the vec_packs, vec_packsu,
vec_unpackh, and vec_unpackl built-in interfaces. These are
lane-sensitive instructions, so the built-ins have different
implementations for big- and little-endian, and the instructions must
be marked as killing the vector swap optimization for now.
The first three instructions perform saturating pack operations. The
fourth performs a modulo pack operation, which means it can be
represented with a vector shuffle, and conversely the appropriate
vector shuffles may cause this instruction to be generated. The other
instructions are only generated via built-in support for now.
Appropriate tests have been added.
There is a companion patch to clang for the rest of this support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237499
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Duncan P. N. Exon Smith [Sat, 16 May 2015 01:01:55 +0000 (01:01 +0000)]
MC: Use MCSymbol in MCObject::IsSymbolRefDifferenceFullyResolvedImpl()
Transition one API from `MCSymbolData` to `MCSymbol`. The function
needs both, and the backpointer from `MCSymbolData` to `MCSymbol` is
going away.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237498
91177308-0d34-0410-b5e6-
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Duncan P. N. Exon Smith [Sat, 16 May 2015 00:48:58 +0000 (00:48 +0000)]
MC: Change MCFragment::Atom to an MCSymbol, NFC
Change `MCFragment::Atom` from an `MCSymbolData` to an `MCSymbol`,
moving in the direction of removing the back-pointer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237497
91177308-0d34-0410-b5e6-
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Duncan P. N. Exon Smith [Sat, 16 May 2015 00:35:24 +0000 (00:35 +0000)]
MC: Change MCAssembler::Symbols to store MCSymbol, NFC
Instead of storing a list of the `MCSymbolData` in use, store the
`MCSymbol`s. Churning in the direction of removing the back pointer
from `MCSymbolData`.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237496
91177308-0d34-0410-b5e6-
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Filipe Cabecinhas [Sat, 16 May 2015 00:33:12 +0000 (00:33 +0000)]
[BitcodeReader] Don't allow INSERTVAL/EXTRACTVAL with 0 indices
This would trigger an assertion later.
Bug found with AFL fuzz.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237494
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Duncan P. N. Exon Smith [Sat, 16 May 2015 00:03:06 +0000 (00:03 +0000)]
MC: Merge MCSymbol and MCSymbolData
Turn `MCSymbolData` into a field inside of `MCSymbol`. Keep all the old
API alive for now, so that consumers can be updated in a later commit.
This means we still temporarily need the back pointer from
`MCSymbolData` to `MCSymbol`, but I'll remove it in a follow-up.
This optimizes for object emission over assembly emission. By removing
the `DenseMap` in `MCAssembler`, llc memory usage drops from around 1040
MB to 1001 MB (3.8%).
(I'm looking at `llc` memory usage on `verify-uselistorder.lto.opt.bc`;
see r236629 for details.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237490
91177308-0d34-0410-b5e6-
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Duncan P. N. Exon Smith [Sat, 16 May 2015 00:03:00 +0000 (00:03 +0000)]
MC: Move MCSymbolData to MCSymbol.h, NFC
Prepare for always including symbol data in MCSymbol.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237489
91177308-0d34-0410-b5e6-
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Filipe Cabecinhas [Fri, 15 May 2015 23:57:13 +0000 (23:57 +0000)]
Remove redundant checks. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237488
91177308-0d34-0410-b5e6-
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Duncan P. N. Exon Smith [Fri, 15 May 2015 22:56:01 +0000 (22:56 +0000)]
MC: Change MCAssembler::Symbols to a vector
Instead of an intrusive double-linked linked list, use a
`std::vector<>`. This saves a pointer per symbol and simplifies
`MCSymbolData`. Otherwise, no functionality change here.
While I measured a memory drop from around 1047MB to 1040MB (0.6%) --
and this is a decent cleanup in its own right -- it's primarily a
preparation patch for merging `MCSymbol` and `MCSymbolData`. I'll post
an updated patch for that to the list in a moment.
(I'm looking at `llc` memory usage on `verify-uselistorder.lto.opt.bc`;
see r236629 for details.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237487
91177308-0d34-0410-b5e6-
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Duncan P. N. Exon Smith [Fri, 15 May 2015 22:33:34 +0000 (22:33 +0000)]
MC: Reduce MCAssembler::Symbols API exposure, NFC
Stop exposing the storage for `MCAssembler::Symbols`, and have
`MCAssembler` add symbols directly to its list instead of using a hook
in `MCSymbolData`. This opens up room for a follow-up commit to switch
from a linked list to a vector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237486
91177308-0d34-0410-b5e6-
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Pete Cooper [Fri, 15 May 2015 22:19:42 +0000 (22:19 +0000)]
Remove MCAssembler.h include from MCStreamer.h and fix users of MCStreamer.h
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237483
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Pete Cooper [Fri, 15 May 2015 21:58:42 +0000 (21:58 +0000)]
Remove 3 includes from MCInstrDesc.h and explicitly include them where needed
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237481
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Pete Cooper [Fri, 15 May 2015 21:29:43 +0000 (21:29 +0000)]
Move some methods to a new MCInstrDesc.cpp file to allow includes to be trimmed. NFC.
MCInstrDesc.h includes things like MCInst.h which i can now remove after this. That will be a future commit.
Reviewed by Jim Grosbach.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237478
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David Majnemer [Fri, 15 May 2015 20:32:25 +0000 (20:32 +0000)]
[RuntimeDyld] Use isInt to assert that a relocation didn't overflow
isInt is a little easier to read, let's use that more consistently.
Incidentally, this also silences a warning for shifting a negative
number.
This fixes PR23532.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237476
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David Majnemer [Fri, 15 May 2015 20:08:27 +0000 (20:08 +0000)]
[X86] Use a better sentinel offset for the FrameAddr index
Other pieces of CodeGen want to negate frame object offsets to account
for architectures where the stack grows down. Our object is a pseudo
object so it's offset doesn't matter. However, we shouldn't choose an
offset which results in undefined behavior if you negate it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237474
91177308-0d34-0410-b5e6-
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Jim Grosbach [Fri, 15 May 2015 19:13:31 +0000 (19:13 +0000)]
MC: MCCodeGenInfo naming update. NFC.
s/InitMCCodeGenInfo/initMCCodeGenInfo/
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237471
91177308-0d34-0410-b5e6-
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Jim Grosbach [Fri, 15 May 2015 19:13:20 +0000 (19:13 +0000)]
MC: clang-format. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237470
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Jim Grosbach [Fri, 15 May 2015 19:13:16 +0000 (19:13 +0000)]
MC: Update MCCodeEmitter naming. NFC.
s/EncodeInstruction/encodeInstruction/
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237469
91177308-0d34-0410-b5e6-
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Jim Grosbach [Fri, 15 May 2015 19:13:05 +0000 (19:13 +0000)]
MC: Update MCFixup naming. NFC.
s/MCFixup::Create/MCFixup::create/
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237468
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Jingyue Wu [Fri, 15 May 2015 18:32:21 +0000 (18:32 +0000)]
[NFC] remove an extra new line
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237462
91177308-0d34-0410-b5e6-
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Eric Christopher [Fri, 15 May 2015 18:20:14 +0000 (18:20 +0000)]
While in GlobalValue fix the function(s) that don't follow the
naming convention and update users.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237461
91177308-0d34-0410-b5e6-
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Jingyue Wu [Fri, 15 May 2015 17:54:48 +0000 (17:54 +0000)]
Add a speculative execution pass
Summary:
This is a pass for speculative execution of instructions for simple if-then (triangle) control flow. It's aimed at GPUs, but could perhaps be used in other contexts. Enabling this pass gives us a 1.0% geomean improvement on Google benchmark suites, with one benchmark improving 33%.
Credit goes to Jingyue Wu for writing an earlier version of this pass.
Patched by Bjarke Roune.
Test Plan:
This patch adds a set of tests in test/Transforms/SpeculativeExecution/spec.ll
The pass is controlled by a flag which defaults to having the pass not run.
Reviewers: eliben, dberlin, meheff, jingyue, hfinkel
Reviewed By: jingyue, hfinkel
Subscribers: majnemer, jholewinski, llvm-commits
Differential Revision: http://reviews.llvm.org/D9360
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237459
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James Molloy [Fri, 15 May 2015 17:45:09 +0000 (17:45 +0000)]
Revert "Canonicalize min/max expressions correctly."
This reverts r237453 - it was causing timeouts on some bots. Reverting
while I investigate (it's probably InstCombine fighting itself...)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237458
91177308-0d34-0410-b5e6-
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James Molloy [Fri, 15 May 2015 17:41:29 +0000 (17:41 +0000)]
[SDAGBuilder] Make the AArch64 builder happier.
I intended this loop to only unwrap SplitVector actions, but it
was more broad than that, such as unwrapping WidenVector actions,
which makes operations seem legal when they're not.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237457
91177308-0d34-0410-b5e6-
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Jingyue Wu [Fri, 15 May 2015 17:07:48 +0000 (17:07 +0000)]
[SLSR] handle (B | i) * S
Summary:
Consider (B | i) * S as (B + i) * S if B and i have no bits set in
common.
Test Plan: @or in slsr-mul.ll
Reviewers: broune, meheff
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D9788
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237456
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James Molloy [Fri, 15 May 2015 16:15:57 +0000 (16:15 +0000)]
Mark SMIN/SMAX/UMIN/UMAX nodes as legal and add patterns for them.
The new [SU]{MIN,MAX} SDNodes can be lowered directly to instructions for
most NEON datatypes - the big exclusion being v2i64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237455
91177308-0d34-0410-b5e6-
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James Molloy [Fri, 15 May 2015 16:10:59 +0000 (16:10 +0000)]
Canonicalize min/max expressions correctly.
This patch introduces a canonical form for min/max idioms where one operand
is extended or truncated. This often happens when the other operand is a
constant. For example:
%1 = icmp slt i32 %a, i32 0
%2 = sext i32 %a to i64
%3 = select i1 %1, i64 %2, i64 0
Would now be canonicalized into:
%1 = icmp slt i32 %a, i32 0
%2 = select i1 %1, i32 %a, i32 0
%3 = sext i32 %2 to i64
This builds upon a patch posted by David Majenemer
(https://www.marc.info/?l=llvm-commits&m=
143008038714141&w=2). That pass
passively stopped instcombine from ruining canonical patterns. This
patch additionally actively makes instcombine canonicalize too.
Canonicalization of expressions involving a change in type from int->fp
or fp->int are not yet implemented.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237453
91177308-0d34-0410-b5e6-
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James Molloy [Fri, 15 May 2015 16:04:50 +0000 (16:04 +0000)]
Allow min/max detection to see through casts.
This teaches the min/max idiom detector in ValueTracking to see through
casts such as SExt/ZExt/Trunc. SCEV can already do this, so we're bringing
non-SCEV analyses up to the same level.
The returned LHS/RHS will not match the type of the original SelectInst
any more, so a CastOp is returned too to inform the caller how to
convert to the SelectInst's type.
No in-tree users yet; this will be used by InstCombine in a followup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237452
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Simon Atanasyan [Fri, 15 May 2015 15:59:22 +0000 (15:59 +0000)]
[llvm-readobj] Teach llvm-readobj to print PT_MIPS_ABIFLAGS program header
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237451
91177308-0d34-0410-b5e6-
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Nemanja Ivanovic [Fri, 15 May 2015 15:29:53 +0000 (15:29 +0000)]
NFC - Test case invokes llc on a file rather than redirected from a file.
This has caused some local failures. Updating the test case to be more
like the majority of the similar test cases.
Committing on behalf of Hubert Tong (hstong@ca.ibm.com).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237449
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Daniel Sanders [Fri, 15 May 2015 12:32:16 +0000 (12:32 +0000)]
[xcore] Only support the 'm' inline assembly memory constraint. NFC.
Summary:
XCore doesn't seem to have any additional constraints. Therefore remove
the target hook.
No functional change intended.
Reviewers: friedgold
Reviewed By: friedgold
Subscribers: friedgold, llvm-commits
Differential Revision: http://reviews.llvm.org/D8921
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237442
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James Molloy [Fri, 15 May 2015 12:17:22 +0000 (12:17 +0000)]
[DependenceAnalysis] Fix for PR21585: collectUpperBound triggers asserts
collectUpperBound hits an assertion when the back edge count is wider then the desired type.
If that happens, truncate the backedge count.
Patch by Philip Pfaffe!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237439
91177308-0d34-0410-b5e6-
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Toma Tabacu [Fri, 15 May 2015 09:42:11 +0000 (09:42 +0000)]
[mips] [IAS] Fix expansion of negative 32-bit immediates for LI/DLI.
Summary:
To maintain compatibility with GAS, we need to stop treating negative 32-bit immediates as 64-bit values when expanding LI/DLI.
This currently happens because of sign extension.
To do this we need to choose the 32-bit value expansion for values which use their upper 33 bits only for sign extension (i.e. no 0's, only 1's).
Reviewers: dsanders
Reviewed By: dsanders
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D8662
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237428
91177308-0d34-0410-b5e6-
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James Molloy [Fri, 15 May 2015 09:03:15 +0000 (09:03 +0000)]
Add SDNodes for umin, umax, smin and smax.
This adds new SDNodes for signed/unsigned min/max. These nodes are built from
select/icmp pairs matched at SDAGBuilder stage.
This patch adds the nodes, as well as legalization support and sets them to
be "expand" for all targets.
NFC for now; this will be tested when I switch AArch64 to using these new
nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237423
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Matthias Braun [Fri, 15 May 2015 03:34:01 +0000 (03:34 +0000)]
Doxygen: Enable autobrief feature and update coding standards.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237417
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Sanjoy Das [Fri, 15 May 2015 00:26:21 +0000 (00:26 +0000)]
[PlaceSafepoints] Fix a bug that came in with rL236672.
Transfer the calling convention from the invoke being replaced by
PlaceStatepoints to the new invoke to gc.statepoint created. Add a test
case that would have caught this issue.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237414
91177308-0d34-0410-b5e6-
96231b3b80d8
Sanjoy Das [Fri, 15 May 2015 00:26:15 +0000 (00:26 +0000)]
[PlaceSafepoints] Fix a bug that came in with rL236672.
rL236672 would generate all invoke statepoints with deopt args set to a
list containing the single element "0", instead of an empty list.
Also add a test case that would have caught this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237413
91177308-0d34-0410-b5e6-
96231b3b80d8