OSDN Git Service
Tom Stellard [Sat, 6 Dec 2014 05:34:34 +0000 (05:34 +0000)]
R600/SI: Restore PrivateGlobalPrefix to the default ELF value of ".L"
This was changed in r223323.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223579
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NAKAMURA Takumi [Sat, 6 Dec 2014 03:11:46 +0000 (03:11 +0000)]
Avoid angle brackets in comment. [-Wdocumentation-html]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223576
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Duncan P. N. Exon Smith [Sat, 6 Dec 2014 02:29:44 +0000 (02:29 +0000)]
IR: Disallow function-local metadata attachments
Metadata attachments to instructions cannot be function-local.
This is part of PR21532.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223574
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NAKAMURA Takumi [Sat, 6 Dec 2014 02:22:11 +0000 (02:22 +0000)]
LLVMInstrumentation requires MC since r223532.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223573
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Matt Arsenault [Sat, 6 Dec 2014 02:14:41 +0000 (02:14 +0000)]
Fix typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223572
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Hans Wennborg [Sat, 6 Dec 2014 02:08:16 +0000 (02:08 +0000)]
Add a proper triple to switch-jump-table.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223571
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NAKAMURA Takumi [Sat, 6 Dec 2014 02:03:49 +0000 (02:03 +0000)]
llvm/test/CodeGen/X86/switch-jump-table.ll: Add explicit triple. Local labels have a prefix "." for targeting i686-cygming.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223570
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Ahmed Bougacha [Sat, 6 Dec 2014 01:31:07 +0000 (01:31 +0000)]
[X86] Refactor PMOV[SZ]Xrm to add missing AVX2 patterns.
Most patterns will go away once the extload legalization changes land.
Differential Revision: http://reviews.llvm.org/D6125
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223567
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Hans Wennborg [Sat, 6 Dec 2014 01:28:50 +0000 (01:28 +0000)]
SelectionDAG switch lowering: Replace unreachable default with most popular case.
This can significantly reduce the size of the switch, allowing for more
efficient lowering.
I also worked with the idea of exploiting unreachable defaults by
omitting the range check for jump tables, but always ended up with a
non-neglible binary size increase. It might be worth looking into some more.
SimplifyCFG currently does this transformation, but I'm working towards changing
that so we can optimize harder based on unreachable defaults.
Differential Revision: http://reviews.llvm.org/D6510
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223566
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Duncan P. N. Exon Smith [Sat, 6 Dec 2014 01:26:49 +0000 (01:26 +0000)]
IR: Disallow complicated function-local metadata
Disallow complex types of function-local metadata. The only valid
function-local metadata is an `MDNode` whose sole argument is a
non-metadata function-local value.
Part of PR21532.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223564
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Chris Matthews [Sat, 6 Dec 2014 01:13:49 +0000 (01:13 +0000)]
Fix for xunit output to work around issue in Jenkins when tests are at the root level
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223562
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Duncan P. N. Exon Smith [Sat, 6 Dec 2014 00:48:17 +0000 (00:48 +0000)]
Utils: Style cleanups, NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223556
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Duncan P. N. Exon Smith [Sat, 6 Dec 2014 00:48:13 +0000 (00:48 +0000)]
Utils: Avoid RAUW on metadata in CloneFunction()
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223555
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Nick Lewycky [Sat, 6 Dec 2014 00:45:50 +0000 (00:45 +0000)]
Canonicalize multiplies by looking at whether the operands have any constants themselves. Patch by Tim Murray!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223554
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Neeraj Badlani [Sat, 6 Dec 2014 00:38:39 +0000 (00:38 +0000)]
[TEST-COMMIT] As per Developer Policy, Added a blank line.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223553
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Tim Northover [Sat, 6 Dec 2014 00:33:37 +0000 (00:33 +0000)]
AArch64: use explicit MVT::i64 when creating EXTRACT_SUBVECTOR nodes.
All our patterns use MVT::i64, but the ISelLowering nodes were inconsistent in
their choice.
No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223551
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Chris Matthews [Sat, 6 Dec 2014 00:21:08 +0000 (00:21 +0000)]
Fix corner cases in lit xunit for paths with dots
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223549
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Benjamin Kramer [Sat, 6 Dec 2014 00:02:31 +0000 (00:02 +0000)]
Revert "LLVMContext: Store APInt/APFloat directly into the ConstantInt/FP DenseMaps."
Somehow made DenseMap probe on forever on 32 bit machines.
This reverts commit r223478.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223546
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Ahmed Bougacha [Fri, 5 Dec 2014 23:11:36 +0000 (23:11 +0000)]
[X86] Cleanup FCOPYSIGN lowering. NFC intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223542
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Peter Collingbourne [Fri, 5 Dec 2014 22:32:30 +0000 (22:32 +0000)]
Add target triples to all dfsan tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223536
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Kuba Brecka [Fri, 5 Dec 2014 22:19:18 +0000 (22:19 +0000)]
Recommit of r223513 and r223514.
Reviewed at http://reviews.llvm.org/D6488
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223532
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Colin LeMahieu [Fri, 5 Dec 2014 21:51:12 +0000 (21:51 +0000)]
[Hexagon] Relocating logical instructions and templates later in the td file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223523
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Colin LeMahieu [Fri, 5 Dec 2014 21:38:29 +0000 (21:38 +0000)]
[Hexagon] Adding sub/and/or reg, imm forms
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223522
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Rafael Espindola [Fri, 5 Dec 2014 21:36:06 +0000 (21:36 +0000)]
Remove dead code. We are only lazy about functions with bodies.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223521
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Kuba Brecka [Fri, 5 Dec 2014 21:32:46 +0000 (21:32 +0000)]
Reverting r223513 and r223514.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223520
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Sanjay Patel [Fri, 5 Dec 2014 21:28:14 +0000 (21:28 +0000)]
Optimize merging of scalar loads for 32-byte vectors [X86, AVX]
Fix the poor codegen seen in PR21710 ( http://llvm.org/bugs/show_bug.cgi?id=21710 ).
Before we crack 32-byte build vectors into smaller chunks (and then subsequently
glue them back together), we should look for the easy case where we can just load
all elements in a single op.
An example of the codegen change is:
From:
vmovss 16(%rdi), %xmm1
vmovups (%rdi), %xmm0
vinsertps $16, 20(%rdi), %xmm1, %xmm1
vinsertps $32, 24(%rdi), %xmm1, %xmm1
vinsertps $48, 28(%rdi), %xmm1, %xmm1
vinsertf128 $1, %xmm1, %ymm0, %ymm0
retq
To:
vmovups (%rdi), %ymm0
retq
Differential Revision: http://reviews.llvm.org/D6536
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223518
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Peter Collingbourne [Fri, 5 Dec 2014 21:22:32 +0000 (21:22 +0000)]
[DFSAN][MIPS][LLVM] Defining ShadowPtrMask variable for MIPS64
Patch by Kumar Sukhani!
corresponding compiler-rt patch: http://reviews.llvm.org/D6437
clang patch: http://reviews.llvm.org/D6147
Differential Revision: http://reviews.llvm.org/D6459
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223516
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Colin LeMahieu [Fri, 5 Dec 2014 21:09:27 +0000 (21:09 +0000)]
[Hexagon] Updating mux_ir/ri/ii/rr with encoding bits
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223515
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Kuba Brecka [Fri, 5 Dec 2014 21:04:43 +0000 (21:04 +0000)]
AddressSanitizer - Don't instrument globals from cstring_literals sections. (llvm part)
Reviewed at http://reviews.llvm.org/D6488
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223513
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Rafael Espindola [Fri, 5 Dec 2014 21:04:36 +0000 (21:04 +0000)]
Simplify the loop linking function bodies. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223512
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Jan Wen Voung [Fri, 5 Dec 2014 20:55:53 +0000 (20:55 +0000)]
Use 32-bit ebp for NaCl64 in a limited case: llvm.frameaddress.
Summary:
Follow up to [x32] "Use ebp/esp as frame and stack pointer":
http://reviews.llvm.org/D4617
In that earlier patch, NaCl64 was made to always use rbp.
That's needed for most cases because rbp should hold a full
64-bit address within the NaCl sandbox so that load/stores
off of rbp don't require sandbox adjustment (zeroing the top
32-bits, then filling those by adding r15).
However, llvm.frameaddress returns a pointer and pointers
are 32-bit for NaCl64. In this case, use ebp instead, which
will make the register copy type check. A similar mechanism
may be needed for llvm.eh.return, but is not added in this change.
Test Plan: test/CodeGen/X86/frameaddr.ll
Reviewers: dschuff, nadav
Subscribers: jfb, llvm-commits
Differential Revision: http://reviews.llvm.org/D6514
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223510
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Bill Seurer [Fri, 5 Dec 2014 20:32:05 +0000 (20:32 +0000)]
[PowerPC]Update Power VSX test cases to also test fast-isel
Update of some of the VSX test cases for Power to check fast-isel codegen as well as the regular codegen.
http://reviews.llvm.org/D6357
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223509
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Bill Seurer [Fri, 5 Dec 2014 20:15:56 +0000 (20:15 +0000)]
[PowerPC]Add VSX loads/stores to fastisel for PPC target
This patch adds VSX floating point loads and stores to fastisel.
Along with the change to tablegen (D6220), VSX instructions are now fully supported in fastisel.
http://reviews.llvm.org/D6274
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223507
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Colin LeMahieu [Fri, 5 Dec 2014 20:07:19 +0000 (20:07 +0000)]
[Hexagon] Adding tfrih/l instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223506
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Andrea Di Biagio [Fri, 5 Dec 2014 20:02:22 +0000 (20:02 +0000)]
[X86] Improved lowering of packed vector shifts to vpsllq/vpsrlq.
SSE2/AVX non-constant packed shift instructions only use the lower 64-bit of
the shift count.
This patch teaches function 'getTargetVShiftNode' how to deal with shifts
where the shift count node is of type MVT::i64.
Before this patch, function 'getTargetVShiftNode' only knew how to deal with
shift count nodes of type MVT::i32. This forced the backend to wrongly
truncate the shift count to MVT::i32, and then zero-extend it back to MVT::i64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223505
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Colin LeMahieu [Fri, 5 Dec 2014 19:51:23 +0000 (19:51 +0000)]
[Hexagon] Adding add reg, imm form with encoding bits and test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223504
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Rafael Espindola [Fri, 5 Dec 2014 19:35:07 +0000 (19:35 +0000)]
Remove unused arguments. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223503
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Eric Christopher [Fri, 5 Dec 2014 19:23:55 +0000 (19:23 +0000)]
These two calls were grabbing the same register info. Unify them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223502
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Duncan P. N. Exon Smith [Fri, 5 Dec 2014 19:13:42 +0000 (19:13 +0000)]
BFI: Saturate when combining edges to a successor
When a loop gets bundled up, its outgoing edges are quite large, and can
just barely overflow 64-bits. If one successor has multiple incoming
edges -- and that successor is getting all the incoming mass --
combining just its edges can overflow. Handle that by saturating rather
than asserting.
This fixes PR21622.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223500
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Colin LeMahieu [Fri, 5 Dec 2014 18:24:06 +0000 (18:24 +0000)]
[Hexagon] Adding DoubleRegs decoder. Moving C2_mux and A2_nop. Adding combine imm-imm form.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223494
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Adrian Prantl [Fri, 5 Dec 2014 18:19:38 +0000 (18:19 +0000)]
Fix a bug when pretty-printing DW_OP_deref.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223493
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Adrian Prantl [Fri, 5 Dec 2014 18:19:32 +0000 (18:19 +0000)]
Regenerate this stale testcase from source.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223492
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Ahmed Bougacha [Fri, 5 Dec 2014 18:04:40 +0000 (18:04 +0000)]
[CodeGenPrepare] Use variables for reused values. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223491
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Colin LeMahieu [Fri, 5 Dec 2014 17:58:06 +0000 (17:58 +0000)]
[Hexagon] [NFC] Rearranging patterns and mux instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223488
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Colin LeMahieu [Fri, 5 Dec 2014 17:55:51 +0000 (17:55 +0000)]
[Hexagon] [NFC] Rearranging def order.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223487
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Rafael Espindola [Fri, 5 Dec 2014 17:53:15 +0000 (17:53 +0000)]
Refactor duplicated code. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223486
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Colin LeMahieu [Fri, 5 Dec 2014 17:38:36 +0000 (17:38 +0000)]
[Hexagon] Adding combine reg-reg forms.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223485
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Colin LeMahieu [Fri, 5 Dec 2014 17:27:39 +0000 (17:27 +0000)]
[Hexagon] Marking several instructions as isCodeGenOnly=0 and adding direct disassembly tests for many instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223482
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Rafael Espindola [Fri, 5 Dec 2014 17:25:52 +0000 (17:25 +0000)]
Be less conservative about when we build the gold plugin.
It is only build if LLVM_BINUTILS_INCDIR is explicitly given, so there is
no point in having extra restrictions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223481
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Benjamin Kramer [Fri, 5 Dec 2014 17:03:01 +0000 (17:03 +0000)]
LLVMContext: Store APInt/APFloat directly into the ConstantInt/FP DenseMaps.
Required some APInt massaging to get proper empty/tombstone values. Apart
from making the code a bit simpler this also reduces the bucket size of
the ConstantInt map from 32 to 24 bytes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223478
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Asiri Rathnayake [Fri, 5 Dec 2014 16:33:56 +0000 (16:33 +0000)]
Improvements to ARM assembler tests
No functional changes. Got myself bitten in r223113 when adding support for
modified immediate syntax (regressions reported by joerg@britannica.bec.de,
fixes in r223366 and r223381). Our assembler tests did not cover serveral
different syntax variants. This patch expands the test coverage to check for
the following cases:
1. Modified immediate operands may be expressed with expressions, as in #(4 * 2)
instead of #8.
2. Modified immediate operands may be _optionally_ prefixed by a '#' symbol or a
'$' symbol.
3. Certain instructions (e.g. ADD) support single input register variants;
[ADD r0, #mod_imm] is same as [ADD r0, r0, #mod_imm].
4. Certain instructions have aliases which convert plain immediates to modified
immediates. For an example, [ADD r0, -10] is not valid because -10 (in two's
complement) cannot be encoded as a modified immediate, but ARMInstrInfo.td
defines an alias which can transform this into a [SUB r0, 10].
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223475
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Rafael Espindola [Fri, 5 Dec 2014 16:05:19 +0000 (16:05 +0000)]
Small cleanup on how we clear constant variables. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223474
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Chad Rosier [Fri, 5 Dec 2014 16:05:14 +0000 (16:05 +0000)]
Update TargetTriple format info.
Phabricator revision: http://reviews.llvm.org/D6543
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223473
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Chad Rosier [Fri, 5 Dec 2014 16:02:06 +0000 (16:02 +0000)]
Fix typos in llvm/IR/Module.h
Phabricator revision: http://reviews.llvm.org/D6535
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223472
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Rafael Espindola [Fri, 5 Dec 2014 15:42:30 +0000 (15:42 +0000)]
Use an early return. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223470
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Evgeniy Stepanov [Fri, 5 Dec 2014 14:34:03 +0000 (14:34 +0000)]
[msan] Avoid extra origin address realignment.
Do not realign origin address if the corresponding application
address is at least 4-byte-aligned.
Saves 2.5% code size in track-origins mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223464
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Andrea Di Biagio [Fri, 5 Dec 2014 12:13:30 +0000 (12:13 +0000)]
[X86] Avoid introducing extra shuffles when lowering packed vector shifts.
When lowering a vector shift node, the backend checks if the shift count is a
shuffle with a splat mask. If so, then it introduces an extra dag node to
extract the splat value from the shuffle. The splat value is then used
to generate a shift count of a target specific shift.
However, if we know that the shift count is a splat shuffle, we can use the
splat index 'I' to extract the I-th element from the first shuffle operand.
The advantage is that the splat shuffle may become dead since we no longer
use it.
Example:
;;
define <4 x i32> @example(<4 x i32> %a, <4 x i32> %b) {
%c = shufflevector <4 x i32> %b, <4 x i32> undef, <4 x i32> zeroinitializer
%shl = shl <4 x i32> %a, %c
ret <4 x i32> %shl
}
;;
Before this patch, llc generated the following code (-mattr=+avx):
vpshufd $0, %xmm1, %xmm1 # xmm1 = xmm1[0,0,0,0]
vpxor %xmm2, %xmm2
vpblendw $3, %xmm1, %xmm2, %xmm1 # xmm1 = xmm1[0,1],xmm2[2,3,4,5,6,7]
vpslld %xmm1, %xmm0, %xmm0
retq
With this patch, the redundant splat operation is removed from the code.
vpxor %xmm2, %xmm2
vpblendw $3, %xmm1, %xmm2, %xmm1 # xmm1 = xmm1[0,1],xmm2[2,3,4,5,6,7]
vpslld %xmm1, %xmm0, %xmm0
retq
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223461
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Charlie Turner [Fri, 5 Dec 2014 08:22:47 +0000 (08:22 +0000)]
Add missing FP build attribute tests.
The test file test/CodeGen/ARM/build-attributes.ll was missing several
floating-point build attribute tests. The intention of this commit is that for
each CPU / architecture currently tested, there are now tests that make sure
the following attributes are sufficiently checked,
* Tag_ABI_FP_rounding
* Tag_ABI_FP_denormal
* Tag_ABI_FP_exceptions
* Tag_ABI_FP_user_exceptions
* Tag_ABI_FP_number_model
Also in this commit, the -unsafe-fp-math flag has been augmented with the full
suite of flags Clang sends to LLVM when you pass -ffast-math to Clang. That is,
`-unsafe-fp-math' has been changed to `-enable-unsafe-fp-math -disable-fp-elim
-enable-no-infs-fp-math -enable-no-nans-fp-math -fp-contract=fast'
Change-Id: I35d766076bcbbf09021021c0a534bf8bf9a32dfc
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223454
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Hal Finkel [Fri, 5 Dec 2014 02:07:35 +0000 (02:07 +0000)]
Revert "r223440 - Consider subregs when calling MI::registerDefIsDead for phys deps"
Reverting this because, while it fixes the problem in the reduced test case, it
does not fix the problem in the full test case from the bug report.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223442
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Hal Finkel [Fri, 5 Dec 2014 01:57:22 +0000 (01:57 +0000)]
Consider subregs when calling MI::registerDefIsDead for phys deps
The scheduling dependency graph is built bottom-up within each scheduling
region, and ScheduleDAGInstrs::addPhysRegDeps is called to add output/anti
dependencies, based on physical registers, to the SUs for instructions
based on those that come before them.
In the test case, we start before post-RA scheduling with a block that looks
like this:
...
INLINEASM <...
andc $0,$0,$2
stdcx. $0,0,$3
bne- 1b
> [sideeffect] [mayload] [maystore] [attdialect], $0:[regdef-ec:G8RC], %X6<earlyclobber,def,dead>, $1:[mem], %X3<kill>, $2:[reguse:G8RC], %X5<kill>, $3:[reguse:G8RC], %X3, $4:[mem], %X3, $5:[clobber], %CC<earlyclobber,imp-def,dead>, <<badref>>
...
%X4<def,dead> = ANDIo8 %X4<kill>, 1, %CR0<imp-def,dead>, %CR0GT<imp-def>
...
%R29<def> = ISEL %R3<undef>, %R4<kill>, %CR0GT<kill>
where it is relevant that %CC is an alias to %CR0, and that %CR0GT is a
subregister of %CR0. However, for post-RA scheduling, no dependency was added
to prevent the INLINEASM from being scheduled in between the ANDIo8 and the
ISEL (which communicate via the %CR0GT register).
In ScheduleDAGInstrs::addPhysRegDeps, when called for the %CC operand, we'd
iterate over all of its aliases (which include %CC itself and also %CR0), and
look for previously-encountered defs of those registers. We'd find the ANDIo8,
but decide not to add a dependency between the INLINEASM and the ANDIo8 because
both the INLINEASM's def of %CC is dead, and also the ANDIo8 def of %CR0 is
dead. This ignores, however, that ANDIo8 has a non-dead def of %CR0GT, a
subregister of %CR0, and thus a dependency still must exist.
To fix this problem, when calling registerDefIsDead on the SU with the def, we
also check all subregisters for possible non-dead defs, and add the dependency
if any are found.
Fixes PR21742.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223440
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Duncan P. N. Exon Smith [Fri, 5 Dec 2014 01:41:36 +0000 (01:41 +0000)]
ADT: Remove GetStringMapEntryFromValue()
It relies on undefined behaviour, since `StringMapEntry<>` is not
a standard layout type. There are no users anyway.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223439
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Duncan P. N. Exon Smith [Fri, 5 Dec 2014 01:41:34 +0000 (01:41 +0000)]
IR: Stop relying on GetStringMapEntryFromValue()
It relies on undefined behaviour.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223438
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Adrian Prantl [Fri, 5 Dec 2014 01:02:46 +0000 (01:02 +0000)]
Cleanup: Calls to getDwarfRegNum() may actually fail, if there is
no DWARF register number mapping, or if the register was a virtual
register that was never materialized. Previously, we would just emit a
bogus location, after this patch we don't emit a location at all by
doing an early exit.
After my bugfix in r223401 today, this doesn't actually happen on any
target that I tested this with, but it's still preferable to make the
possibility of a failure explicit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223428
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Adrian Prantl [Fri, 5 Dec 2014 01:02:36 +0000 (01:02 +0000)]
Add a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223427
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Paul Robinson [Fri, 5 Dec 2014 00:50:15 +0000 (00:50 +0000)]
Make GetSVN.cmake do its VCS queries with native CMake code.
This lets the queries work on Windows as well as Linux.
This does mean make and cmake aren't using the same scripts to do the
queries (again), but at least GetSVN.cmake understands git and git-svn
as well as svn now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223425
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Rafael Espindola [Fri, 5 Dec 2014 00:30:47 +0000 (00:30 +0000)]
linkGlobalVariableProto never returns null. Simplify the caller. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223424
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Eric Christopher [Fri, 5 Dec 2014 00:22:38 +0000 (00:22 +0000)]
Rename the x86 isTargetMacho to isTargetMachO for uniformity.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223421
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Eric Christopher [Fri, 5 Dec 2014 00:22:35 +0000 (00:22 +0000)]
Both of these subtargets have functions that check whether or
not the target is mach-o. Use them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223420
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Rafael Espindola [Fri, 5 Dec 2014 00:09:02 +0000 (00:09 +0000)]
Move merging of alignment to a central location. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223418
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Rafael Espindola [Fri, 5 Dec 2014 00:02:42 +0000 (00:02 +0000)]
Add a few extra cases to the test. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223417
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Kevin Enderby [Thu, 4 Dec 2014 23:56:27 +0000 (23:56 +0000)]
Re-add support to llvm-objdump for Mach-O universal files and archives with -macho
with fixes. Includes the move of tests for llvm-objdump for universal files to an X86
directory. And the fix where it was failing on linux Rafael tracked down with asan.
I had both Jim Grosbach and Adam Hemet look over the second fix since I could not
set up asan to reproduce with the old version but not with the fix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223416
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Ahmed Bougacha [Thu, 4 Dec 2014 23:52:15 +0000 (23:52 +0000)]
[X86] Delete dead code in fcopysign lowering. NFC.
r32900 introduced custom lowering for fcopysign, with two checks to
change the magnitude value's type if it's larger/smaller than the sign
value's type. r32932 replaced that code for the smaller case.
r43205 did the same for the larger case, but left the old code, now dead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223415
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Rafael Espindola [Thu, 4 Dec 2014 23:31:21 +0000 (23:31 +0000)]
Convert test to use an extra Input file. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223414
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Alexey Samsonov [Thu, 4 Dec 2014 23:00:50 +0000 (23:00 +0000)]
Revert "Fix UBSan report in StringMap implementation."
This reverts commit r223402. Some bots fail with -Winvalid-offsetof
warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223407
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Adrian Prantl [Thu, 4 Dec 2014 22:58:41 +0000 (22:58 +0000)]
Simplify implementation and testcase of r223401 based on feedback from dblaikie.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223405
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Alexey Samsonov [Thu, 4 Dec 2014 22:45:31 +0000 (22:45 +0000)]
Fix UBSan report in StringMap implementation.
Use offsetof() instead of a member access within null pointer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223402
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Adrian Prantl [Thu, 4 Dec 2014 22:29:04 +0000 (22:29 +0000)]
Debug info: If the RegisterCoalescer::reMaterializeTrivialDef() is
eliminating all uses of a vreg, update any DBG_VALUE describing that vreg
to point to the rematerialized register instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223401
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Hans Wennborg [Thu, 4 Dec 2014 22:19:28 +0000 (22:19 +0000)]
Add some tests for SimplifyCFG's TurnSwitchRangeIntoICmp(). NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223396
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Hans Wennborg [Thu, 4 Dec 2014 22:19:25 +0000 (22:19 +0000)]
Add some tests for SimplifyCFG's ConstantFoldTerminator(). NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223395
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Rafael Espindola [Thu, 4 Dec 2014 22:16:08 +0000 (22:16 +0000)]
Also use --icf=safe if we are being linked by gold.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223394
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Roman Divacky [Thu, 4 Dec 2014 21:39:24 +0000 (21:39 +0000)]
Add a FIXME as requested by Renato Golin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223390
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Yaron Keren [Thu, 4 Dec 2014 21:36:38 +0000 (21:36 +0000)]
Silence warning: variable 'buffer' set but not used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223389
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Bruno Cardoso Lopes [Thu, 4 Dec 2014 20:36:06 +0000 (20:36 +0000)]
[x86] Fix isOffsetSuitableForCodeModel kernel code model offset
Offset == 0 is a valid offset for kernel code model according to the
x86_64 System V ABI. Found by inspection, no testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223383
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Weiming Zhao [Thu, 4 Dec 2014 20:25:50 +0000 (20:25 +0000)]
[AArch64] Combining Load and IntToFp should check for neon availability
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223382
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Asiri Rathnayake [Thu, 4 Dec 2014 19:34:59 +0000 (19:34 +0000)]
Fix yet another unseen regression caused by r223113
r223113 added support for ARM modified immediate assembly syntax. Which
assumes all immediate operands are prefixed with a '#'. This assumption
is wrong as per the ARMARM - which recommends that all '#' characters be
treated optional. The current patch fixes this regression and adds a test
case. A follow-up patch will expand the test coverage to other instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223381
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Jonathan Roelofs [Thu, 4 Dec 2014 19:34:50 +0000 (19:34 +0000)]
Fix thumbv4t indirect calls
So there are a couple of issues with indirect calls on thumbv4t. First, the most
'obvious' instruction, 'blx' isn't available until v5t. And secondly, the
next-most-obvious sequence: 'mov lr, pc; bx rN' doesn't DTRT in thumb code
because the saved off pc has its thumb bit cleared, so when the callee returns
we end up in ARM mode.... yuck.
The solution is to 'bl' to a nearby landing pad with a 'bx rN' in it.
We could cut down on code size by sharing the landing pads between call sites
that are close enough, but for the moment let's do correctness first and look at
performance later.
Patch by: Iain Sandoe
http://reviews.llvm.org/D6519
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223380
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Philip Reames [Thu, 4 Dec 2014 19:13:45 +0000 (19:13 +0000)]
Add a test case for argument type coercion in an invoke of a vararg function
This would have caught the bug I fixed in 223370.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223378
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Philip Reames [Thu, 4 Dec 2014 18:33:28 +0000 (18:33 +0000)]
Add a section to Statepoint docs mentioning shared bugzilla search and standard mailing lists
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223374
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Rafael Espindola [Thu, 4 Dec 2014 17:54:35 +0000 (17:54 +0000)]
Detect if the linker is gold and if so always use --gc-sections.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223372
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Hal Finkel [Thu, 4 Dec 2014 17:45:19 +0000 (17:45 +0000)]
Revert "r223364 - Revert r223347 which has caused crashes on bootstrap bots."
Reapply r223347, with a fix to not crash on uninserted instructions (or more
precisely, instructions in uninserted blocks). bugpoint was able to reduce the
test case somewhat, but it is still somewhat large (and relies on setting
things up to be simplified during inlining), so I've not included it here.
Nevertheless, it is clear what is going on and why.
Original commit message:
Restrict somewhat the memory-allocation pointer cmp opt from r223093
Based on review comments from Richard Smith, restrict this optimization from
applying to globals that might resolve lazily to other dynamically-loaded
modules, and also from dynamic allocas (which might be transformed into malloc
calls). In short, take extra care that the compared-to pointer is really
simultaneously live with the memory allocation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223371
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Philip Reames [Thu, 4 Dec 2014 17:27:58 +0000 (17:27 +0000)]
Fix a typo: use of cast where dyn_cast was intended
This bug has the effect of converting a test of isGCRelocate(InvokeInst*) from a false return to a crash.
This may be the root cause of the crash Joerg reported against r223137, but I'm still waiting for a clean build of clang to complete to be able to confirm. Once I've confirmed the issue, I'll submit a test case separately.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223370
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Daniel Sanders [Thu, 4 Dec 2014 17:15:35 +0000 (17:15 +0000)]
test-release.sh: Add a way to specify --build to configure
Summary:
I currently have to specify --build=mips-linux-gnu or --build=mipsel-linux-gnu
to configure in order to successfully recurse a 32-bit build of the compiler on
my mips64-linux-gnu and mips64el-linux-gnu targets. This is a bug and will be
fixed but in the meantime it will be useful to have a way to work around this.
Reviewers: tstellarAMD
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D6522
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223369
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Rafael Espindola [Thu, 4 Dec 2014 16:59:36 +0000 (16:59 +0000)]
Remove dead code. NFC.
This interface was added 2 years ago but users never developed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223368
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Asiri Rathnayake [Thu, 4 Dec 2014 14:49:07 +0000 (14:49 +0000)]
Fix a minor regression introduced in r223113
r223113 added support for ARM modified immediate assembly syntax. That patch
has broken support for immediate expressions, as in:
add r0, #(4 * 4)
It wasn't caught because we don't have any tests for this feature. This patch
fixes this regression and adds test cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223366
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Rafael Espindola [Thu, 4 Dec 2014 14:40:35 +0000 (14:40 +0000)]
Use size_type in the interface exposed by SmallVector.
This matches std::vector and should avoid unnecessary masking to 32 bits
when calling them on o 64 bits system.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223365
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Alexander Potapenko [Thu, 4 Dec 2014 14:22:27 +0000 (14:22 +0000)]
Revert r223347 which has caused crashes on bootstrap bots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223364
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Rafael Espindola [Thu, 4 Dec 2014 14:10:20 +0000 (14:10 +0000)]
Revert "[Thumb/Thumb2] Added restrictions on PC, LR, SP in the register list for PUSH/POP/LDM/STM. <Differential Revision: reviews.llvm.org/D6090>"
This reverts commit r223356.
It was failing check-all (MC/ARM/thumb.s in particular).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223363
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Michael Kuperstein [Thu, 4 Dec 2014 13:49:51 +0000 (13:49 +0000)]
[X86] Improve a dag-combine that handles a vector extract -> zext sequence.
The current DAG combine turns a sequence of extracts from <4 x i32> followed by zexts into a store followed by scalar loads.
According to measurements by Martin Krastev (see PR 21269) for x86-64, a sequence of an extract, movs and shifts gives better performance. However, for 32-bit x86, the previous sequence still seems better.
Differential Revision: http://reviews.llvm.org/D6501
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223360
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Jyoti Allur [Thu, 4 Dec 2014 11:52:49 +0000 (11:52 +0000)]
[Thumb/Thumb2] Added restrictions on PC, LR, SP in the register list for PUSH/POP/LDM/STM. <Differential Revision: reviews.llvm.org/D6090>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223356
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Andrea Di Biagio [Thu, 4 Dec 2014 11:21:44 +0000 (11:21 +0000)]
[X86] Simplify code. NFC.
Replaced some logic that checked if a build_vector node is doing a splat of a
non-undef value with a call to method BuildVectorSDNode::getSplatValue().
No functional change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223354
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