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Vitaly Buka [Fri, 27 May 2016 22:55:10 +0000 (22:55 +0000)]
[asan] Add option to enable asan-use-after-scope from clang.
Clang will have -fsanitize-address-use-after-scope flag.
PR27453
Reviewers: kcc, eugenis, aizatsky
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D20750
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271067
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Rafael Espindola [Fri, 27 May 2016 22:41:51 +0000 (22:41 +0000)]
Start using shouldAssumeDSOLocal on ARM.
Given where this is used it should be a nop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271066
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Lang Hames [Fri, 27 May 2016 22:34:56 +0000 (22:34 +0000)]
[Kaleidoscope][BuildingAJIT] Add stub chapter text for Building A JIT Chapter 4.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271064
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Xinliang David Li [Fri, 27 May 2016 22:30:44 +0000 (22:30 +0000)]
[PM] Port the Sample FDO to new PM (part-1)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271062
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Lang Hames [Fri, 27 May 2016 22:21:12 +0000 (22:21 +0000)]
[Kaleidoscope][Orc] Remove the reference to the Orc directory that was removed
in r271059.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271061
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Lang Hames [Fri, 27 May 2016 22:17:56 +0000 (22:17 +0000)]
[Kaleidoscope] Remove the old Kaleidoscope/ORC tutorial series.
This code has been superseded by the new Building A JIT series.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271059
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Matthias Braun [Fri, 27 May 2016 22:14:26 +0000 (22:14 +0000)]
MachineScheduler: Introduce ONLY1 reason to improve debug output
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271058
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Matthias Braun [Fri, 27 May 2016 22:14:09 +0000 (22:14 +0000)]
AArch64Subtarget: Use default member initializers
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271057
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David Majnemer [Fri, 27 May 2016 22:07:50 +0000 (22:07 +0000)]
Don't discard errors
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271056
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Lang Hames [Fri, 27 May 2016 21:50:13 +0000 (21:50 +0000)]
[Kaleidoscope][BuildingAJIT] Add code for chapter 4.
This chapter will cover lazy compilation directly from ASTs using the Compile
Callbacks and Indirect Stubs APIs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271054
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Kostya Serebryany [Fri, 27 May 2016 21:46:22 +0000 (21:46 +0000)]
[libFuzzer] use __sanitizer_set_report_fd with -close_fd_mask. This allows us to keep asan reports when closing target's stderr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271053
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Rafael Espindola [Fri, 27 May 2016 21:44:18 +0000 (21:44 +0000)]
Map DynamicNoPIC to Static on non-darwin.
DynamicNoPIC was only every used on darwin. This maps it to static on
ELF. It matches what is done on X86.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271052
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Sanjay Patel [Fri, 27 May 2016 21:41:29 +0000 (21:41 +0000)]
[InstCombine] move and/sext fold to helper function; NFCI
We need to enhance the pattern matching on these to look through bitcasts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271051
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David Majnemer [Fri, 27 May 2016 21:25:05 +0000 (21:25 +0000)]
Don't iterate endlessly if an error occurs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271048
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Xinliang David Li [Fri, 27 May 2016 21:23:25 +0000 (21:23 +0000)]
FileCheck: dump command line context with empty input
Differential Revision: http://reviews.llvm.org/D20716
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271047
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Krzysztof Parzyszek [Fri, 27 May 2016 21:15:34 +0000 (21:15 +0000)]
[Hexagon] Use standard macros to initialize HexagonExpandCondsets pass
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271045
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Richard Smith [Fri, 27 May 2016 21:05:35 +0000 (21:05 +0000)]
Fix compilation with GCC, which treats this as a constructor name not a type
name. (GCC is correct here per the latest language DRs.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271044
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Krzysztof Parzyszek [Fri, 27 May 2016 20:48:39 +0000 (20:48 +0000)]
[Hexagon] Do not create passes in the constructor of HexagonPassConfig
When running mir tests, a pass created in that constructor would not be
freed, leading to memory leaks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271043
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Davide Italiano [Fri, 27 May 2016 20:25:31 +0000 (20:25 +0000)]
[LCSSA] Simplify. Suggested by Sanjoy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271041
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Zachary Turner [Fri, 27 May 2016 20:17:33 +0000 (20:17 +0000)]
[pdb] Fix size check when reading stream bytes.
We were accidentally bounds checking the read against the output
ArrayRef instead of against the size of the read.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271040
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Davide Italiano [Fri, 27 May 2016 20:04:16 +0000 (20:04 +0000)]
[Timer] Add missing slash in doxygen commit.
Pointed out by: Sean Silva.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271039
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Petr Hosek [Fri, 27 May 2016 19:58:05 +0000 (19:58 +0000)]
Revert "[MC] Support symbolic expressions in assembly directives"
This reverts commit r271028, it causes the directive_fill.s to fail.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271038
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Davide Italiano [Fri, 27 May 2016 19:12:26 +0000 (19:12 +0000)]
[Timer] Expose an API to check if the timer is running.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271037
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David Blaikie [Fri, 27 May 2016 19:05:14 +0000 (19:05 +0000)]
SmallVector: Replace some pre-C++11 move helpers with standard algorithms
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271036
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Sanjoy Das [Fri, 27 May 2016 19:03:10 +0000 (19:03 +0000)]
[GVN] Preserve !range metadata when PRE'ing loads
Reviewers: dberlin, reames, george.burgess.iv
Subscribers: mcrosier, llvm-commits
Differential Revision: http://reviews.llvm.org/D20743
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271034
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Michael Kuperstein [Fri, 27 May 2016 18:53:22 +0000 (18:53 +0000)]
[X86] Detect SAD patterns and emit psadbw instructions.
This recommits r267649 with a fix for PR27539.
Differential Revision: http://reviews.llvm.org/D20598
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271033
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David Majnemer [Fri, 27 May 2016 18:50:02 +0000 (18:50 +0000)]
Make sure data is available before dereferencing it
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271032
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David Majnemer [Fri, 27 May 2016 18:50:00 +0000 (18:50 +0000)]
Avoid overflow when computing the size of an array
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271031
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David Majnemer [Fri, 27 May 2016 18:49:58 +0000 (18:49 +0000)]
Don't assume that there will be enough padding bytes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271030
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David Majnemer [Fri, 27 May 2016 18:49:51 +0000 (18:49 +0000)]
Don't assume that there will be another null byte
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271029
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Petr Hosek [Fri, 27 May 2016 18:49:44 +0000 (18:49 +0000)]
[MC] Support symbolic expressions in assembly directives
This matches the behavior of GNU assembler which supports symbolic
expressions in absolute expressions used in assembly directives.
Differential Revision: http://reviews.llvm.org/D20656
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271028
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Zachary Turner [Fri, 27 May 2016 18:47:20 +0000 (18:47 +0000)]
Resubmit "[pdb] Allow zero-copy read support for symbol streams.""
Due to differences in template instantiation rules, it is not
portable to static_assert(false) inside of an invalid specialization
of a template. Instead I just =delete the method so that it can't
be used, and leave a comment that it must be explicitly specialized.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271027
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Chad Rosier [Fri, 27 May 2016 18:31:02 +0000 (18:31 +0000)]
Revert "[pdb] Allow zero-copy read support for symbol streams."
This reverts commit r271024 due to error: static_assert failed
"You must either provide a specialization of VarStreamArrayExtractor
or a custom extractor"
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271026
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Zachary Turner [Fri, 27 May 2016 18:20:20 +0000 (18:20 +0000)]
[pdb] Allow zero-copy read support for symbol streams.
This reduces the amount of memory used by llvm-pdbdump by roughly
1/3 of the size of the PDB file.
Differential Revision: http://reviews.llvm.org/D20724
Reviewed By: ruiu
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271025
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Ahmed Bougacha [Fri, 27 May 2016 17:58:17 +0000 (17:58 +0000)]
[X86] Clarify PSHUFB+blend lowering function name. NFC.
Also guard against v32i8 users.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271024
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Ahmed Bougacha [Fri, 27 May 2016 17:58:03 +0000 (17:58 +0000)]
[ARM] Remove tBLXr Pat made redundant by r269101. NFCI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271023
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Benjamin Kramer [Fri, 27 May 2016 17:38:16 +0000 (17:38 +0000)]
[ProfData] Remove global constructor from ProfileSummaryBuilder.
No functionality change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271021
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Pete Cooper [Fri, 27 May 2016 17:06:50 +0000 (17:06 +0000)]
Don't generate unnecessary signed ConstantRange during multiply. NFC
r231483 taught ConstantRange::multiply to be clever about signed vs unsigned ranges. For example, an unsigned range could be full-set while the signed range is more specific than that.
In looking at the allocations trace for LTO'ing verify-uselistorder (see r236629 for details), millions of allocations are from APInt, many of which come from ConstantRange's.
This change tries to avoid some (3.2 million) allocations by returning the unsigned range if its suitable. The checks here are that it should not be a wrapping range, and should be positive. That should be enough to check for ranges such as [1, 10) which the signed range will be equal to, if we were to calculate it.
Differential Revision: http://reviews.llvm.org/D20723
Reviewed by James Molloy
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271020
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Tim Northover [Fri, 27 May 2016 16:56:54 +0000 (16:56 +0000)]
Move test to X86 directory: I think it depends on X86 TTI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271019
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Benjamin Kramer [Fri, 27 May 2016 16:54:57 +0000 (16:54 +0000)]
Use StringRef::startswith instead of find(...) == 0.
It's faster and easier to read.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271018
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Benjamin Kramer [Fri, 27 May 2016 16:45:37 +0000 (16:45 +0000)]
[sparc] Simplify a slow and verbose way of checking if a string starts with "ld".
PR27904.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271016
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Tim Northover [Fri, 27 May 2016 16:40:27 +0000 (16:40 +0000)]
Vectorizer: track non-fast FP instructions through phis when finding reductions.
When we traced through a phi node looking for floating-point reductions, we
forgot whether we'd ever seen an instruction without fast-math flags (that
would block vectorization). This propagates it through to the end.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271015
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Xinliang David Li [Fri, 27 May 2016 16:22:03 +0000 (16:22 +0000)]
Reapply r270865 -- previous bot failure is unrelated
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271014
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David Majnemer [Fri, 27 May 2016 16:16:56 +0000 (16:16 +0000)]
Make sure these error codes are marked as checked
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271013
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David Majnemer [Fri, 27 May 2016 16:16:48 +0000 (16:16 +0000)]
Make sure there are enough blocks for the stream
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271012
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David Majnemer [Fri, 27 May 2016 16:16:45 +0000 (16:16 +0000)]
Make sure the directory block array fits in the file
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271011
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Dehao Chen [Fri, 27 May 2016 16:14:15 +0000 (16:14 +0000)]
Remove sample profile dependency to instcombine, which is not a analysis pass.
Summary: This patch removes dependency from sample profile pass to instcombine pass.
Reviewers: davidxl, dnovillo
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D20501
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271009
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David Majnemer [Fri, 27 May 2016 15:57:38 +0000 (15:57 +0000)]
Validate the blocksize before using it
The blocksize could be zero on disk causing later checks to divide by
zero.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271008
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Simon Pilgrim [Fri, 27 May 2016 15:56:19 +0000 (15:56 +0000)]
[X86][AVX] Removed some remains of old (pre-regeneration) filechecks
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271007
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Than McIntosh [Fri, 27 May 2016 15:27:51 +0000 (15:27 +0000)]
Disable lifetime-start-on-first-use analysis.
Summary:
Turn off lifetime-start-on-first-use enhancement for the moment
pending a fix for bug 27903.
Bug: 27903
Reviewers: tejohnson, wmi, qcolombet, gbiv
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D20731
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271003
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Benjamin Kramer [Fri, 27 May 2016 15:21:30 +0000 (15:21 +0000)]
Make header self-contained. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271002
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Benjamin Kramer [Fri, 27 May 2016 14:27:24 +0000 (14:27 +0000)]
Apply clang-tidy's misc-move-constructor-init throughout LLVM.
No functionality change intended, maybe a tiny performance improvement.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270997
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Simon Dardis [Fri, 27 May 2016 13:56:36 +0000 (13:56 +0000)]
[mips] Weaken asm predicate for memory offsets
The isMemWithSimmOffset predicate rejects relocations which is incorrect
behaviour. Linkers and other tools should handle|warn|error when the
field overflows.
Reviewers: dsanders, vkalintiris
Differential Revision: http://reviews.llvm.org/D20727
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270995
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Igor Laevsky [Fri, 27 May 2016 13:13:59 +0000 (13:13 +0000)]
[RewriteStatepointsForGC] All constant should have null base pointer
Currently we consider that each constant has itself as a base value. I.e "base(const) = const".
This introduces couple of problems when we are trying to avoid reporting constants in statepoint live sets:
1. When querying "base( phi(const1, const2) )" we will get "phi(const1, const2)" as a base pointer. Since
it's not a constant we will record it in a stack map. However on practice we don't want this to happen
(constant are never relocated).
2. base( phi(const, gc ptr) ) = phi( const, base(gc ptr) ). This particular case imposes challenge on our
runtime - we don't expect to see constant base pointers other than null. This problems can be avoided
by treating all constant as if they were derived from null pointer base. I.e in a first case we will
not include constant pointer in a stack map at all. In a second case we will get "phi(null, base(gc ptr))"
as a base pointer which is a lot more convenient.
Differential Revision: http://reviews.llvm.org/D20584
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270993
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George Rimar [Fri, 27 May 2016 12:52:30 +0000 (12:52 +0000)]
Attemp to fix build bot after r270987
It was: "Recommit 270977 - [llvm-mc] - Teach llvm-mc to generate zlib styled compression sections."
Fix:
since test requires no zlib available and r270987 changed the
compression flag for llvm-mc to mandatory specify the compression style,
then just add 2 available styles to this test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270992
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Artem Tamazov [Fri, 27 May 2016 12:50:13 +0000 (12:50 +0000)]
[AMDGPU][llvm-mc] Square-braced-syntax for registers - make ":expr2" optional.
Register numbers may be specified as assembly-time expressions.
This feature can be useful in macros and alike. However, expressions
are supported within sqare braces only.
Sqare braces were initially intended to support specifying of multiple
(pairs/quads...) registers. Syntax like v[8:8] which specifies single register
is also supported. That allows expressions but looks a bit unnatural.
This change supports syntax REG[EXPR].
Tests added.
Differential Revision: http://reviews.llvm.org/D20588
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270990
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Benjamin Kramer [Fri, 27 May 2016 12:30:51 +0000 (12:30 +0000)]
Avoid some copies by using const references.
clang-tidy's performance-unnecessary-copy-initialization with some manual
fixes. No functional changes intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270988
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George Rimar [Fri, 27 May 2016 12:27:32 +0000 (12:27 +0000)]
Recommit 270977 - [llvm-mc] - Teach llvm-mc to generate zlib styled compression sections.
Fix: updated clang code which was not updated by mistake.
Original commit message:
[llvm-mc] - Teach llvm-mc to generate zlib styled compression sections.
This patch is strongly based on previously reverted D20331.
(because of gnuutils < 2.26 does not support compressed debug sections in non zlib-gnu style)
Difference that this patch supports both zlib and zlib-gnu styles.
-compress-debug-sections option now supports next values:
-compress-debug-sections=zlib-gnu
-compress-debug-sections=zlib
-compress-debug-sections=none
Previously specifying -compress-debug-sections enabled zlib-gnu compression,
so anyone can put "-compress-debug-sections=zlib-gnu" to restore the behavior
that was before this patch for case when compression was enabled.
Differential revision: http://reviews.llvm.org/D20676
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270987
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Benjamin Kramer [Fri, 27 May 2016 11:36:04 +0000 (11:36 +0000)]
Apply clang-tidy's misc-static-assert where it makes sense.
Also fold conditions into assert(0) where it makes sense. No functional
change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270982
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Benjamin Kramer [Fri, 27 May 2016 10:19:03 +0000 (10:19 +0000)]
[sparc] Remove some unused (and undefined) declarations.
No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270981
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Benjamin Kramer [Fri, 27 May 2016 10:06:40 +0000 (10:06 +0000)]
[hexagon] Move BlockRanges and RDF stuff into the llvm namespace.
No functional change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270980
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Benjamin Kramer [Fri, 27 May 2016 10:06:27 +0000 (10:06 +0000)]
[sparc] Move LEON passes into llvm namespace.
Also give them library visiblity while there.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270979
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George Rimar [Fri, 27 May 2016 10:06:16 +0000 (10:06 +0000)]
Revert r270977 ([llvm-mc] - Teach llvm-mc to generate zlib styled compression sections.)
It broke buildbot:
http://lab.llvm.org:8011/builders/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/builds/13585/steps/build/logs/stdio
Initial commit message:
[llvm-mc] - Teach llvm-mc to generate zlib styled compression sections.
This patch is strongly based on previously reverted D20331.
(because of gnuutils < 2.26 does not support compressed debug sections in non zlib-gnu style)
Difference that this patch supports both zlib and zlib-gnu styles.
-compress-debug-sections option now supports next values:
-compress-debug-sections=zlib-gnu
-compress-debug-sections=zlib
-compress-debug-sections=none
Previously specifying -compress-debug-sections enabled zlib-gnu compression,
so anyone can put "-compress-debug-sections=zlib-gnu" to restore the behavior
that was before this patch for case when compression was enabled.
Differential revision: http://reviews.llvm.org/D20676
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270978
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George Rimar [Fri, 27 May 2016 09:58:08 +0000 (09:58 +0000)]
[llvm-mc] - Teach llvm-mc to generate zlib styled compression sections.
This patch is strongly based on previously reverted D20331.
(because of gnuutils < 2.26 does not support compressed debug sections in non zlib-gnu style)
Difference that this patch supports both zlib and zlib-gnu styles.
-compress-debug-sections option now supports next values:
-compress-debug-sections=zlib-gnu
-compress-debug-sections=zlib
-compress-debug-sections=none
Previously specifying -compress-debug-sections enabled zlib-gnu compression,
so anyone can put "-compress-debug-sections=zlib-gnu" to restore the behavior
that was before this patch for case when compression was enabled.
Differential revision: http://reviews.llvm.org/D20676
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270977
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Simon Pilgrim [Fri, 27 May 2016 09:02:25 +0000 (09:02 +0000)]
Revert: r270973 - [X86][SSE] Replace (V)PMOVSX and (V)PMOVZX integer extension intrinsics with generic IR (llvm)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270976
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Simon Pilgrim [Fri, 27 May 2016 08:49:15 +0000 (08:49 +0000)]
[X86][SSE] Replace (V)PMOVSX and (V)PMOVZX integer extension intrinsics with generic IR (llvm)
This patch removes the llvm intrinsics VPMOVSX and (V)PMOVZX sign/zero extension intrinsics and auto-upgrades to SEXT/ZEXT calls instead. We already did this for SSE41 PMOVSX sometime ago so much of that implementation can be reused.
A companion patch (D20684) removes/auto-upgrade the clang intrinsics.
Differential Revision: http://reviews.llvm.org/D20686
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270973
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Peter Collingbourne [Fri, 27 May 2016 05:21:35 +0000 (05:21 +0000)]
Linker: teach the IR mover to return llvm::Error.
This will be needed in order to consistently return an Error
to clients of the API being developed in D20268.
Differential Revision: http://reviews.llvm.org/D20550
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270967
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Zachary Turner [Fri, 27 May 2016 03:51:53 +0000 (03:51 +0000)]
[codeview] Remove StreamReader copying method.
Since we want to move toward zero-copy access to stream data, we
want to remove all instances of copying operations. So get rid
of some of those here.
Differential Revision: http://reviews.llvm.org/D20720
Reviewed By: ruiu
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270960
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Pete Cooper [Fri, 27 May 2016 03:42:17 +0000 (03:42 +0000)]
Don't allocate unnecessarily in APInt::operator[+-]. NFC.
APInt::operator+(uint64_t) just forwarded to operator+(const APInt&).
Constructing the APInt for the RHS takes an allocation which isn't
required. Also, for APInt's in the slow path, operator+ would
call add() internally which iterates over both arrays of values. Instead
we can use add_1 and sub_1 which only iterate while there is something to do.
Using the memory for 'opt -O2 verify-uselistorder.lto.opt.bc -o opt.bc'
(see r236629 for details), this reduces the number of allocations from
23.9M to 22.7M.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270959
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Dan Liew [Fri, 27 May 2016 03:14:40 +0000 (03:14 +0000)]
[LibFuzzer] Refactor declaration of tests in CMake.
Add a new CMake function (``add_libfuzzer_test()``) to simplify
declaration of executables for testing LibFuzzer and use it to
reorganise how tests are declared.
Note that configuration of the lit configuration files has been moved
as late as possible because we are going to need to disable some tests
for some platforms and we will need to propagate this information into
the lit configuration.
Note the code for custom mains was removed because no tests are
currently written for this and Kostya seems happy to remove this.
Differential Revision: http://reviews.llvm.org/D20706
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270958
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Rui Ueyama [Fri, 27 May 2016 02:47:38 +0000 (02:47 +0000)]
Remove use of is_trivially_constructible.
type_traits header in libstdc++ 4.8 does not define is_trivially_contructible
so the code doesn't compile with it.
In this file we are using the trait for assertion to provide a better
error message. Removing it doesn't change the meaning of the code.
Differential Revision: http://reviews.llvm.org/D20719
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270957
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Lang Hames [Fri, 27 May 2016 02:43:15 +0000 (02:43 +0000)]
[Support] Remove a stale comment.
This comment was included in Peter Collingbourne's original version of
StringError (see http://reviews.llvm.org/D20550), where it made sense. It was
accidentally copied over with the rest of the class, but no longer applies.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270956
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Pete Cooper [Fri, 27 May 2016 02:13:53 +0000 (02:13 +0000)]
Form objc_storeStrong in the presence of bitcasts.
objc_storeStrong can be formed from a sequence such as
%0 = tail call i8* @objc_retain(i8* %p) nounwind
%tmp = load i8*, i8** @x, align 8
store i8* %0, i8** @x, align 8
tail call void @objc_release(i8* %tmp) nounwind
The code was already looking through bitcasts for most of the values
involved, but had missed one case where the pointer operand for the
store was a bitcast. Ultimately the pointer for the load and store
have to be the same value, after stripping casts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270955
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Zachary Turner [Fri, 27 May 2016 02:12:35 +0000 (02:12 +0000)]
[codeview] #include missing header breaking builds.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270954
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Zachary Turner [Fri, 27 May 2016 01:54:44 +0000 (01:54 +0000)]
[codeview,pdb] Try really hard to conserve memory when reading.
PDBs can be extremely large. We're already mapping the entire
PDB into the process's address space, but to make matters worse
the blocks of the PDB are not arranged contiguously. So, when
we have something like an array or a string embedded into the
stream, we have to make a copy. Since it's convenient to use
traditional data structures to iterate and manipulate these
records, we need the memory to be contiguous.
As a result of this, we were using roughly twice as much memory
as the file size of the PDB, because every stream was copied
out and re-stitched together contiguously.
This patch addresses this by improving the MappedBlockStream
to allocate from a BumpPtrAllocator only when a read requires
a discontiguous read. Furthermore, it introduces some data
structures backed by a stream which can iterate over both
fixed and variable length records of a PDB. Since everything
is backed by a stream and not a buffer, we can read almost
everything from the PDB with zero copies.
Differential Revision: http://reviews.llvm.org/D20654
Reviewed By: ruiu
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270951
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Lang Hames [Fri, 27 May 2016 01:54:25 +0000 (01:54 +0000)]
[Support] Rename unconvertibleErrorCode to inconvertibleErrorCode.
Based on a totally scientific, 30 second google search "in-" appears to be the
preferred prefix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270950
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Lang Hames [Fri, 27 May 2016 01:37:32 +0000 (01:37 +0000)]
[Support] Add a StringError convenience class to Error.h
StringError can be used to represent Errors that aren't recoverable based on
the error type, but that have a useful error message that can be reported to
the user or logged.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270948
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Kostya Serebryany [Fri, 27 May 2016 01:12:21 +0000 (01:12 +0000)]
[libFuzzer] make check-fuzzer a bit faster
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270947
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Michael Zolotukhin [Fri, 27 May 2016 00:55:16 +0000 (00:55 +0000)]
[LoopUnrollAnalyzer] Bail out instead of dying with assert when facing huge index.
This fixes PR27902.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270946
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Kostya Serebryany [Fri, 27 May 2016 00:54:15 +0000 (00:54 +0000)]
[libFuzzer] make OOM-handling more portable. Instead of sending a signal to the main fuzzing thread, print the message in the getrusage thread and exit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270945
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Mehdi Amini [Fri, 27 May 2016 00:32:12 +0000 (00:32 +0000)]
ValueMapper: fix typo in minor optimization on constant mapping (NFC)
If every operands of a constant are mapping to themselves, and the
type does not change, we have an early exit as acknowledged in the
comment:
// Otherwise, we have some other constant to remap. Start by checking to see
// if all operands have an identity remapping.
However instead of checking for identity the code was checking if the
operands were mapped to the constant itself, which is rarely true.
As a consequence, the coverage report showed that the early exit was
never taken.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270944
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Rui Ueyama [Fri, 27 May 2016 00:32:07 +0000 (00:32 +0000)]
pdbdump: print out the name of the stream 0.
Differential Revision: http://reviews.llvm.org/D20712
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270943
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Kostya Serebryany [Fri, 27 May 2016 00:21:33 +0000 (00:21 +0000)]
[libFuzzer] more refactoring: make sure CurrentUnitData is awlays a valid pointer to read from
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270942
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Rui Ueyama [Thu, 26 May 2016 23:26:55 +0000 (23:26 +0000)]
pdbdump: Add -raw-all to enable all -raw-* flags.
Differential Revision: http://reviews.llvm.org/D20707
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270937
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Hans Wennborg [Thu, 26 May 2016 23:10:37 +0000 (23:10 +0000)]
Sort my entry in CODE_OWNERS.TXT
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270936
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Mitch Bodart [Thu, 26 May 2016 23:08:52 +0000 (23:08 +0000)]
[CodeGen] Fix problem with X86 byte registers in CriticalAntiDepBreaker
CriticalAntiDepBreaker was not correctly tracking defs of the high X86 byte
registers, leading to incorrect use of a busy register to break an
antidependence.
Fixes pr27681, and its duplicates pr27580, pr27804.
Differential Revision: http://reviews.llvm.org/D20456
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270935
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Rui Ueyama [Thu, 26 May 2016 23:01:05 +0000 (23:01 +0000)]
Fix typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270934
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Easwaran Raman [Thu, 26 May 2016 22:57:11 +0000 (22:57 +0000)]
Attach profile summary in IR based instrumentation pass.
Differential revision: http://reviews.llvm.org/D20655
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270933
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Justin Bogner [Thu, 26 May 2016 22:29:34 +0000 (22:29 +0000)]
SDAG: Use an Optional<> instead of a sigil value. NFC
This just makes it a bit more clear that we don't intend to use a
deleted node for anything here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270931
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Kostya Serebryany [Thu, 26 May 2016 22:17:32 +0000 (22:17 +0000)]
[libFuzzer] more refactoring around CurrentUnit. Also add a threading test on which we currently have a race (when reporting bugs from multiple threads)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270929
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Dan Liew [Thu, 26 May 2016 21:54:25 +0000 (21:54 +0000)]
[LibFuzzer] Add missing #include<string>
This partially fixes the compilation of the LibFuzzer unit test
on OSX using AppleClang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270926
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Michael Zolotukhin [Thu, 26 May 2016 21:42:51 +0000 (21:42 +0000)]
[LoopUnrollAnalyzer] Fix a crash in analyzeLoopUnrollCost.
Condition might be simplified to a Constant, but it doesn't have to be
ConstantInt, so we should dyn_cast, instead of cast.
This fixes PR27886.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270924
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Adrian Prantl [Thu, 26 May 2016 21:42:47 +0000 (21:42 +0000)]
PR26055: Speed up LiveDebugValues::transferDebugValue()
This patch builds upon r270776 and speeds up
LiveDebugValues::transferDebugValue() by adding an index that maps each
DebugVariable to its open VarLoc.
The transferDebugValue() function needs to close all open ranges for a
given DebugVariable. Iterating over the set bits of OpenRanges is
prohibitively slow in practice. I experimented with using the sorted map
of VarLocs in the UniqueVector to iterate only over the range of VarLocs
with a given DebugVariable, but the binary search turned out to be even
more expensive than just iterating over the set bits in OpenRanges.
Instead, this patch exploits the fact that there can only be one open
location for each DebugVariable and redundantly stores this location in a
DenseMap.
This patch brings the time spent in the LiveDebugValues pass down to an
almost neglectiable amount.
http://llvm.org/bugs/show_bug.cgi?id=26055
http://reviews.llvm.org/D20636
rdar://problem/
24091200
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270923
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Kostya Serebryany [Thu, 26 May 2016 21:32:30 +0000 (21:32 +0000)]
[libFuzzer] refactor: hide CurrentUnitData inside an interface function. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270922
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Chris Bieneman [Thu, 26 May 2016 21:31:56 +0000 (21:31 +0000)]
[Docs][WritingAnLLVMBackend] Makefiles are deprecated
Summary: * docs/WritingAnLLVMBackend.rst: Makefiles are no longer used. The users should use CMakeLists.txt. In order to add the target, the TARGETS_TO_BUILD is replaced with LLVM_ALL_TARGETS.
Reviewers: gribozavr, void, beanz
Subscribers: llvm-commits
Patch By: Visoiu Mistrih Francis (thegameg)
Differential Revision: http://reviews.llvm.org/D20700
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270921
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Chris Bieneman [Thu, 26 May 2016 21:29:39 +0000 (21:29 +0000)]
[obj2yaml][yaml2obj] Support for MachO lazy bindings
This adds support for YAML round tripping dyld info lazy bindings. The storage and format of these is the same as regular bind opcodes, they are just interpreted differently by dyld, and can have DONE opcodes in the middle of the opcode lists.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270920
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Lang Hames [Thu, 26 May 2016 21:27:52 +0000 (21:27 +0000)]
[Kaleidoscope][BuildingAJIT] Remove leftover debugging output statements.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270919
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Lang Hames [Thu, 26 May 2016 21:21:18 +0000 (21:21 +0000)]
[Kaleidoscope][BuildingAJIT] Fix strong emphasis markup by removing whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270918
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Lang Hames [Thu, 26 May 2016 21:17:06 +0000 (21:17 +0000)]
[Kaleidoscope][BuildingAJIT] Add docs for Chapter 3 of the Building A JIT
tutorial.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270917
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Lang Hames [Thu, 26 May 2016 21:15:58 +0000 (21:15 +0000)]
[Error] Make ECError only constructible via errorCodeToError.
This enforces idiomatic usage of ECError removing the option to construct them
using make_error.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270916
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