Jonathan Roelofs [Mon, 9 Mar 2020 22:51:41 +0000 (16:51 -0600)]
[clang-tidy][docs] Post-commit feedback on D74669
Douglas Yung [Mon, 9 Mar 2020 22:42:20 +0000 (15:42 -0700)]
Change tests to use -S instead of -c to work when an external assembler is used that is not present. NFCI.
Reviewed By: NoQ
Subscribers: Charusso, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D74104
Erik Pilkington [Mon, 9 Mar 2020 19:17:23 +0000 (12:17 -0700)]
[CodeGenObjC] Privatize some ObjC metadata symbols
Nobody needs these symbols, so there isn't any benefit in including them. This
saves some code-size in Objective-C binaries. Partially reverts:
https://reviews.llvm.org/D61454. rdar://
56579760
Differential revision: https://reviews.llvm.org/D75491
Davide Italiano [Mon, 9 Mar 2020 22:40:09 +0000 (15:40 -0700)]
[AppleObjCRuntimeV2] Fix a typo. Evalulate -> evaluate.
Davide Italiano [Mon, 9 Mar 2020 22:37:12 +0000 (15:37 -0700)]
[AppleObjC2RuntimeV2] Remove dead code. NFC.
Davide Italiano [Mon, 9 Mar 2020 22:35:24 +0000 (15:35 -0700)]
[ObjC] Dynamic type resolution logging should go to the types log.
Philip Reames [Mon, 9 Mar 2020 22:28:24 +0000 (15:28 -0700)]
[tests] Add long nop test coverage for intel platforms
Jonathan Roelofs [Mon, 9 Mar 2020 22:27:35 +0000 (16:27 -0600)]
Add missing list.rst entry
Reid Kleckner [Fri, 6 Mar 2020 22:41:48 +0000 (14:41 -0800)]
[gn] Use ghash if using clang & LLD together to make PDBs
I noticed my links were a bit slower on Windows than usual.
Reviewed By: thakis
Differential Revision: https://reviews.llvm.org/D75774
Jonathan Roelofs [Mon, 9 Mar 2020 22:11:35 +0000 (16:11 -0600)]
release notes: fix new check name
LLVM GN Syncbot [Mon, 9 Mar 2020 21:59:49 +0000 (21:59 +0000)]
[gn build] Port
1e0669bfe05
Jonathan Roelofs [Wed, 4 Mar 2020 16:55:45 +0000 (09:55 -0700)]
[clang-tidy] New check: bugprone-suspicious-include
Detects and fixes suspicious code like: `#include "foo.cpp"`.
Inspired by: https://twitter.com/lefticus/status/
1228458240364687360?s=20
https://reviews.llvm.org/D74669
Alexey Bataev [Mon, 9 Mar 2020 21:18:19 +0000 (17:18 -0400)]
[OPENMP50]Codegen for depobj dependency kind.
Implemented codegen for depobj modifier in depend clauses.
Jay Foad [Fri, 6 Mar 2020 15:35:35 +0000 (15:35 +0000)]
[AMDGPU] Fix scheduling info for terminator SALU instructions
Summary:
Instruction variants like S_MOV_B32_term should have the same SchedRW
class as the base instruction, S_MOV_B32. This probably doesn't make any
difference in practice because as terminators, they'll always be
scheduled at the end of a basic block, but it's simply more correct than
giving them all the default SchedRW class of Write32Bit, which implies a
VALU operation.
Reviewers: rampitec, arsenm, nhaehnle
Subscribers: kzhuravl, jvesely, wdng, yaxunl, dstuttard, tpr, t-tye, hiraditya, kerbowa, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D75860
Jonathan Roelofs [Mon, 9 Mar 2020 21:07:44 +0000 (15:07 -0600)]
Fix internal links in Kaleidoscope tutorial
Sjoerd Meijer [Mon, 9 Mar 2020 20:39:52 +0000 (20:39 +0000)]
Follow up of
3d9a0445cce3, clang driver defaulting to -fno-common
Attempt to pacify windows bot where this failed:
clang/test/CodeGen/vlt_to_pointer.c
Yaxun (Sam) Liu [Thu, 5 Mar 2020 17:59:33 +0000 (12:59 -0500)]
[HIP] Fix device stub name
HIP emits a device stub function for each kernel in host code.
The HIP debugger requires device stub function to have a different unmangled name as the kernel.
Currently the name of the device stub function is the mangled name with a postfix .stub. However,
this does not work with the HIP debugger since the unmangled name is the same as the kernel.
This patch adds prefix __device__stub__ to the unmangled name of the device stub before mangling,
therefore the device stub function has a valid mangled name which is different than the device kernel
name. The device side kernel name is kept unchanged. kernels with extern "C" also gets the prefix added
to the corresponding device stub function.
Differential Revision: https://reviews.llvm.org/D68578
Arthur Eubanks [Mon, 9 Mar 2020 20:02:14 +0000 (13:02 -0700)]
Fix typo in gn files
SKD -> SDK
Arthur Eubanks [Wed, 4 Mar 2020 21:18:59 +0000 (13:18 -0800)]
Don't emit pointer to int cast warnings under -Wmicrosoft-cast
Summary:
MSVC also warns on this:
$ cat /tmp/a.c
int f(void* p) { return (int) p; }
$ cl /c /tmp/a.c
C:/src/tmp/a.c(1): warning C4311: 'type cast': pointer truncation from
'void *' to 'int'
Warnings originally added in https://reviews.llvm.org/D72231.
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D75643
ahatanak [Mon, 9 Mar 2020 20:20:58 +0000 (13:20 -0700)]
[ObjC][ARC] Don't remove autoreleaseRV/retainRV pairs if the call isn't
a tail call
Previosly ARC optimizer removed the autoreleaseRV/retainRV pair in the
following code, which caused the object returned by @something to be
placed in the autorelease pool because the call to @something isn't a
tail call:
```
%call = call i8* @something(...)
%2 = call i8* @objc_retainAutoreleasedReturnValue(i8* %call)
%3 = call i8* @objc_autoreleaseReturnValue(i8* %2)
ret i8* %3
```
Fix the bug by checking whether @something is a tail call.
rdar://problem/
59275894
Lei Zhang [Mon, 9 Mar 2020 16:29:13 +0000 (16:29 +0000)]
[mlir][ods] Fix AnyInteger predicate
Differential Revision: https://reviews.llvm.org/D75854
Matt Arsenault [Sat, 22 Feb 2020 15:00:38 +0000 (10:00 -0500)]
AMDGPU/GlobalISel: Improve handling of illegal return types
Most importantly, this fixes ret i8. Also make sure to handle
signext/zeroext for odd types > i32. Some of the corresponding
argument passing fixes also need to be handled.
Sjoerd Meijer [Mon, 9 Mar 2020 19:25:24 +0000 (19:25 +0000)]
Recommit #2 "[Driver] Default to -fno-common for all targets"
After a first attempt to fix the test-suite failures, my first recommit
caused the same failures again. I had updated CMakeList.txt files of
tests that needed -fcommon, but it turns out that there are also
Makefiles which are used by some bots, so I've updated these Makefiles
now too.
See the original commit message for more details on this change:
0a9fc9233e172601e26381810d093e02ef410f65
Matt Arsenault [Mon, 24 Feb 2020 20:43:18 +0000 (15:43 -0500)]
AMDGPU: Make signext/zeroext behave more sensibly over > i32
Interpret these as extending to the next multiple of 32-bits. This had
no effect with i48 for example, which is really split into {i32, i16},
which should extend the high part.
Fangrui Song [Sat, 7 Mar 2020 17:21:03 +0000 (09:21 -0800)]
[lldb] Add .clang-tidy with customization to disable readability-identifier-naming
Reviewed By: JDevlieghere
Differential Revision: https://reviews.llvm.org/D75810
Krzysztof Parzyszek [Mon, 9 Mar 2020 19:38:33 +0000 (14:38 -0500)]
[Hexagon] Refactor handling of circular load/store builtins, NFC
Erich Keane [Mon, 9 Mar 2020 17:15:45 +0000 (10:15 -0700)]
Permit attribute 'used' with 'target' multiversioning.
This adds infrastructure for a multiversioning whitelist, plus adds
'used' to the allowed list with 'target'. The behavior here mirrors the
implementation in GCC, where 'used' only applies to the single
declaration and doesn't apply to the ifunc or resolver.
This is not being applied to cpu_dispatch and cpu_specific, since the
rules are more complicated for cpu_specific, which emits multiple
symbols. Additionally, the author isn't currently aware of uses in the
wild of this combination, but is aware of a number of target+used
combinations.
Matt Arsenault [Fri, 21 Feb 2020 01:26:41 +0000 (20:26 -0500)]
AMDGPU/GlobalISel: Start matching s_lshlN_add_u32 instructions
Use a hack to only enable this for GlobalISel.
Technically this also works with SelectionDAG, but the divergence
selection isn't reliable enough and a few cases fail, but I have no
desire to spend time writing the manual expansion code for it. The DAG
actually does a better job since it catches using v_add_lshl_u32 in
the mixed SGPR/VGPR cases.
Akira Hatanaka [Thu, 5 Mar 2020 02:35:07 +0000 (18:35 -0800)]
Fix the type of the capture passed to LambdaIntroducer::addCapture in
RebuildLambdaScopeInfo
Previously the type of the variable was being passed, which was causing
clang to crash when a non-reference variable was captured by reference
or a reference variable was captured by value by a lambda and a block
nested inside the lambda body was referencing the variable.
Original patch by JF Bastien.
rdar://problem/
47550338
Differential Revision: https://reviews.llvm.org/D58164
Cameron McInally [Mon, 9 Mar 2020 18:29:16 +0000 (13:29 -0500)]
[AArch64][SVE] Add missing fp16 DestructiveInstType tests
These tests should have been added with
a5b22b768f5a in D73711.
Differential Revision: https://reviews.llvm.org/D75767
Louis Dionne [Mon, 9 Mar 2020 19:03:16 +0000 (15:03 -0400)]
[libc++] Enable std::function ABI bug demonstration on Apple Clang too
Hubert Tong [Mon, 9 Mar 2020 18:09:00 +0000 (14:09 -0400)]
[www] cxx_status: Update Reflection TS to Cologne draft
Summary:
As of the 2019 Cologne meeting, according to its minutes (N4826), N4818
is the draft of the Reflection TS.
Reviewers: rsmith, aaron.ballman
Reviewed By: aaron.ballman
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D75524
Hubert Tong [Mon, 9 Mar 2020 18:17:34 +0000 (14:17 -0400)]
[www] cxx_status: Update title to mention C++20
Summary:
The document covers the Clang implementation status of the "upcoming
C++20 standard". Update the title to match.
Reviewers: rsmith, aaron.ballman
Reviewed By: aaron.ballman
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D75523
Simon Pilgrim [Mon, 9 Mar 2020 17:35:37 +0000 (17:35 +0000)]
[X86][SSE] SimplifyDemandedVectorEltsForTargetNode - reduce vector width of X86ISD::BLENDI
If we don't need the upper subvector elements of the BLENDI node then use a smaller vector size.
This causes a couple of minor regressions in insertelement-ones.ll which are more examples of PR26018; given how cheap allones generation is I don't consider that a showstopper, just an annoyance (and there's plenty of other poor codegen cases in that file).
Craig Topper [Mon, 9 Mar 2020 17:35:31 +0000 (10:35 -0700)]
[X86] Teach combineToExtendBoolVectorInReg to create opportunities for using broadcast load instructions.
If we're inserting a scalar that is smaller than the element
size of the final VT, the value of the extra bits doesn't matter.
Previously we any_extended in the scalar domain before inserting.
This patch changes this to use a broadcast of the original
scalar type and then a bitcast to the final type. This might
enable the use of a broadcast load.
This recovers regressions from
07d68c24aa19483e44db4336b0935b00a5d69949
and
9fcd212e2f678fdbdf304399a1e58ca490dc54d1 without relying on
alignment of the load.
Differential Revision: https://reviews.llvm.org/D75835
JF Bastien [Wed, 4 Mar 2020 21:51:35 +0000 (13:51 -0800)]
Test that volatile load type isn't changed
Summary: As discussed in D75505, it's not particularly useful to change the type of a load to/from floating-point/integer because it's followed by a bitcast, and it might lead to surprising code generation. Check that this doesn't generally happen.
Reviewers: lebedev.ri
Subscribers: jkorous, dexonsmith, ributzka, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D75644
Jonathan Roelofs [Mon, 9 Mar 2020 17:56:10 +0000 (11:56 -0600)]
Drop HEADER_ per review feedback on D74669
Jonathan Coe [Mon, 9 Mar 2020 18:00:03 +0000 (18:00 +0000)]
[clang-format] Correct indentation for `[key] = value,` entries in C++ object initialisers
Summary: Do not use continuation indent for '[' in blocks in C# code.
Reviewers: krasimir
Reviewed By: krasimir
Subscribers: cfe-commits
Tags: #clang-format, #clang
Differential Revision: https://reviews.llvm.org/D75747
LLVM GN Syncbot [Mon, 9 Mar 2020 17:56:57 +0000 (17:56 +0000)]
[gn build] Port
3486cc014b2
Jeremy Stenglein [Mon, 9 Mar 2020 17:50:05 +0000 (10:50 -0700)]
Add test missed in r843a9778fcd5
Differential Revision: https://reviews.llvm.org/D75768
Nikita Popov [Sat, 7 Mar 2020 15:34:34 +0000 (16:34 +0100)]
[InstSimplify] Simplify calls with "returned" attribute
If a call argument has the "returned" attribute, we can simplify
the call to the value of that argument. The "-inst-simplify" pass
already handled this for the constant integer argument case via
known bits, which is invoked in SimplifyInstruction. However,
non-constant (or non-int) arguments are not handled at all right now.
This addresses one of the regressions from D75801.
Differential Revision: https://reviews.llvm.org/D75815
Marcello Maggioni [Sun, 8 Mar 2020 17:55:21 +0000 (10:55 -0700)]
Fix indentation using clang-format for Spiller.h. NFC
Spiller.h had indentation that doesn't match LLVM guidelines. Fixing it
Reviewers: qcolombet, arsenm
Subscribers: MatzeB, wdng, hiraditya, llvm-commits, qcolombet
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D75830
Marcello Maggioni [Sun, 8 Mar 2020 16:36:29 +0000 (09:36 -0700)]
Move Spiller.h from lib/ directory path to include/CodeGen. NFC
This allows Spiller.h to be used and included outside of
the lib/CodeGen directory. For example to be used in the
lib/Target directory or other places.
Nikita Popov [Sat, 7 Mar 2020 19:21:09 +0000 (20:21 +0100)]
[InstCombine] Don't simplify calls without uses
When simplifying a call without uses, replaceInstUsesWith() is
going to do nothing, but we'll skip all following folds. We can
only run into this problem with calls that both simplify and are
not trivially dead if unused, which currently seems to happen only
with calls to undef, as the test diff shows. When extending
SimplifyCall() to handle "returned" attributes, this becomes a much
bigger problem, so I'm fixing this first.
Differential Revision: https://reviews.llvm.org/D75814
Nikita Popov [Sun, 8 Mar 2020 12:11:46 +0000 (13:11 +0100)]
[InstSimplify] Don't simplify musttail calls
As pointed out by jdoerfert on D75815, we must be careful when
simplifying musttail calls: We can only replace the return value
if we can eliminate the call entirely. As we can't make this
guarantee for all consumers of InstSimplify, this patch disables
simplification of musttail calls. Without this patch, musttail
simplification currently results in module verification errors.
Differential Revision: https://reviews.llvm.org/D75824
Jeremy Stenglein [Mon, 9 Mar 2020 17:17:15 +0000 (10:17 -0700)]
Add a warning for builtin_return_address/frame_address with > 0 argument
Clang is missing a warning for
builtin_return_address/builtin_frame_address called with > 0 argument.
Gcc provides a warning for this via -Wframe-address:
https://gcc.gnu.org/onlinedocs/gcc/Return-Address.html
As calling these functions with argument > 0 has caused several crashes
for us, we would like to have the same warning as gcc here. This diff
adds the warning and makes it part of -Wmost.
Differential Revision: https://reviews.llvm.org/D75768
Jonathan Coe [Mon, 9 Mar 2020 17:33:53 +0000 (17:33 +0000)]
[clang-format] C# does not indent braced initializers as continuations
Summary: C# treats object initializers as braced init blocks. Braced init blocks are no longer indented as continuations.
Reviewers: krasimir
Reviewed By: krasimir
Subscribers: cfe-commits
Tags: #clang-format, #clang
Differential Revision: https://reviews.llvm.org/D75731
Nicolas Vasilache [Mon, 9 Mar 2020 17:29:13 +0000 (13:29 -0400)]
[mlir][Vector] Add a vector.matrix_multiply op on 1-D vectors
Summary: This op mirrors the llvm.intr counterpart and allows lowering + type conversions in a progressive fashion.
Differential Revision: https://reviews.llvm.org/D75775
Jonathan Roelofs [Wed, 4 Mar 2020 16:55:03 +0000 (09:55 -0700)]
[clang-tidy] Use ; as separator for HeaderFileExtensions
... and deprecate use of ',' for the same.
https://reviews.llvm.org/D75621
Jonathan Roelofs [Tue, 25 Feb 2020 17:41:32 +0000 (10:41 -0700)]
[clang-tidy] Generalize HeaderFileExtensions.{h,cpp}. NFC
https://reviews.llvm.org/D75489
Jonathan Coe [Mon, 9 Mar 2020 17:10:09 +0000 (17:10 +0000)]
[clang-format] cleanup from D75517
Summary:
Fix typo in comment.
Add closing brace to test text.
Reviewers: krasimir
Subscribers: cfe-commits
Tags: #clang-format, #clang
Differential Revision: https://reviews.llvm.org/D75856
Nicolas Vasilache [Mon, 9 Mar 2020 17:13:56 +0000 (13:13 -0400)]
[mlir][Vector] Allow lowering of vector.shape_cast 2D <-> 1D
Summary:
This will support the progressive lowering of:
```
vector.contract ->
downcast + vector.matrix_multiply + upcast ->
llvm.intr.matrix
```
Differential Revision: https://reviews.llvm.org/D75776
Nicolas Vasilache [Mon, 9 Mar 2020 17:00:45 +0000 (13:00 -0400)]
[mlir][LLVM] Add remaining llvm.matrix intrinsics
Summary:
This revision adds intrinsics for transpose, columnwise.load and columnwise.store
achieving full coverage of the llvm.matrix intrinsics.
Differential Revision: https://reviews.llvm.org/D75852
Jonas Devlieghere [Mon, 9 Mar 2020 16:59:06 +0000 (09:59 -0700)]
[lldb/Process] Update ThreadKDP for API change
GetUnwinder now returns a reference instead of a pointer.
Nicolas Vasilache [Mon, 9 Mar 2020 16:53:04 +0000 (12:53 -0400)]
[mlir] NFC - Add predicates and types for VectorOfRank
Summary:
This is the counterpart of VectorOfLength for ranks.
This will be used in lowering vector.contract operations to llvm.matrix
Differential Revision: https://reviews.llvm.org/D75771
Michael Kruse [Mon, 9 Mar 2020 16:15:14 +0000 (11:15 -0500)]
[Polly] Replace use of std::stringstream. NFC.
Use of std::-style (io)streams is discouraged in the LLVM coding style
(https://llvm.org/docs/CodingStandards.html#include-iostream-is-forbidden).
Replace with a use of llvm::Twine (which uses llvm::raw_ostream behind
the scenes).
aartbik [Sat, 7 Mar 2020 01:01:18 +0000 (17:01 -0800)]
[mlir] [ExecutionEngine] add option to enable/disable GDB notification listener
Summary:
This way, clients can opt-out of the GDB notification listener. Also, this
changes the semantics of enabling the object cache, which seemed the wrong
way around.
Reviewers: rriddle, nicolasvasilache, ftynse, andydavis1
Reviewed By: nicolasvasilache
Subscribers: mehdi_amini, rriddle, jpienaar, burmako, shauheen, antiagainst, nicolasvasilache, arpith-jacob, mgester, lucyrfox, liufengdb, Joonsoo, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D75787
Mikhail Maltsev [Mon, 9 Mar 2020 16:13:02 +0000 (16:13 +0000)]
[ARM,CDE] Implement CDE feature test macros
Summary:
This patch implements feature test macros for the CDE extension
according to the upcoming ACLE specification.
The following 2 macros are being added:
- __ARM_FEATURE_CDE - defined as '1' when any coprocessor is
configured as a CDE coprocessor
- __ARM_FEATURE_CDE_COPROC - defined as an 8-bit mask, each bit of the
mask corresponds to a coprocessor and is set when the corresponding
coprocessor is configured as CDE (and cleared otherwise).
The patch also exposes the value of __ARM_FEATURE_CDE_COPROC in the
target-independent method TargetInfo::getARMCDECorpocMask, the method
will be used in follow-up patches implementing semantic checks of CDE
intrinsics (we want to diagnose the cases when CDE intrinsics are used
with coprocessors that are not configured as CDE).
Reviewers: simon_tatham, dmgreen, ostannard, MarkMurrayARM
Reviewed By: simon_tatham
Subscribers: kristof.beyls, danielkiss, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D75843
Shiva Chen [Mon, 24 Feb 2020 06:21:26 +0000 (14:21 +0800)]
[RISCV] Add new SchedRead SchedWrite
The patch fixes some typos and introduces ReadFMemBase, ReadFSGNJ32,
ReadFSGNJ64, WriteFSGNJ32, WriteFSGNJ64, ReadFMinMax32, ReadFMinMax64,
WriteFMinMax32, WriteFMinMax64, so the target CPU with different pipeline model
could use them to describe latency.
Differential Revision: https://reviews.llvm.org/D75515
Jay Foad [Mon, 9 Mar 2020 16:08:28 +0000 (16:08 +0000)]
[AMDGPU] Remove unused SchedWrite class
LLVM GN Syncbot [Mon, 9 Mar 2020 16:03:39 +0000 (16:03 +0000)]
[gn build] Port
882f589e20d
Jonas Devlieghere [Mon, 9 Mar 2020 15:56:03 +0000 (08:56 -0700)]
Revert "[AssumeBundles] Move to IR so it can be used by Analysis"
This breaks the modules build:
http://green.lab.llvm.org/green/job/clang-stage2-Rthinlto/
http://green.lab.llvm.org/green/view/LLDB/job/lldb-cmake/
This reverts commit
57c964aaa76bfaa908398fbd9d8c9d6d19856859.
Kirstóf Umann [Thu, 12 Sep 2019 20:20:58 +0000 (22:20 +0200)]
[analyzer][NFC] Refactor the checker registration unit test file
Nothing exciting to see here! The new interface allows for more fine tuning
(register but disable a checker, add custom checker registry functions, etc),
that was basically the point.
Differential Revision: https://reviews.llvm.org/D67335
Muhammad Omair Javaid [Mon, 9 Mar 2020 15:28:13 +0000 (20:28 +0500)]
[lldb/test] Fix arch arm for 32-bit armv7l/armv8l
This patch forces architecture "arm" if underlying os reports core
armv7l or armv8l. On linux systems 32 bit sysroot running on 64bit
AArch64 hardware reports armv7l or armv8l which is essently arm
32bit mode. This fixes 5 testcases on 32bit arm.
Fangrui Song [Fri, 6 Mar 2020 19:49:58 +0000 (11:49 -0800)]
[ELF] Postpone evaluation of ORIGIN/LENGTH in a MEMORY command
```
createFiles(args)
readDefsym
readerLinkerScript(*mb)
...
readMemory
readMemoryAssignment("ORIGIN", "org", "o") // eagerly evaluated
target = getTarget();
link(args)
writeResult<ELFT>()
...
finalizeSections()
script->processSymbolAssignments()
addSymbol(cmd) // with this patch, evaluated here
```
readMemoryAssignment eagerly evaluates ORIGIN/LENGTH and returns an uint64_t.
This patch postpones the evaluation to make
* --defsym and symbol assignments
* `CONSTANT(COMMONPAGESIZE)` (requires a non-null `lld::elf::target`)
work. If the expression somehow requires interaction with memory
regions, the circular dependency may cause the expression to evaluate to
a strange value. See the new test added to memory-err.s
Reviewed By: grimar
Differential Revision: https://reviews.llvm.org/D75763
Erich Keane [Mon, 9 Mar 2020 15:06:58 +0000 (08:06 -0700)]
Fix Target Multiversioning renaming.
The initial implementation only did 'first declaration renaming' when
a default version came after. This is insufficient in cases where a
default does not exist, so this patch makes sure that we do the renaming
in all cases.
This renaming is necessary because we emit the first declaration before
knowing that it IS a target multiversion function, which would change
its name. The second declaration (the one that caused the
multiversioning) then needs to make sure that the first one has its name
changed to be consistent with the resolver usage.
Fangrui Song [Sat, 7 Mar 2020 17:10:50 +0000 (09:10 -0800)]
[lld] Add .clang-tidy to customize readability-identifier-naming.{Member,Parameter,Variable}Case => camelBack
lld/.clang-tidy is almost identical to the top-level .clang-tidy, with the aforementioned customization.
Reviewed By: ruiu
Differential Revision: https://reviews.llvm.org/D75809
Fangrui Song [Sat, 7 Mar 2020 20:55:44 +0000 (12:55 -0800)]
[llvm-objdump] Rename --disassemble-functions to --disassemble-symbols
https://bugs.llvm.org/show_bug.cgi?id=41910
The feature can disassemble data and the new option name reflects its
more generic usage.
Reviewed By: jhenderson
Differential Revision: https://reviews.llvm.org/D75816
Pavel Labath [Mon, 9 Mar 2020 15:24:34 +0000 (16:24 +0100)]
[lldb] Fix windows build, second attempt
Fangrui Song [Sat, 7 Mar 2020 05:49:40 +0000 (21:49 -0800)]
[llvm-objdump][test] Move binary format specific tests under COFF/ ELF/ MachO/ XCOFF/ wasm/
Reviewed By: grimar
Differential Revision: https://reviews.llvm.org/D75798
Haojian Wu [Mon, 9 Mar 2020 14:36:49 +0000 (15:36 +0100)]
[clangd] Bump vscode-clangd v0.0.21.
CHANGELOG:
- better ranking for completions
- enable dot-to-arrow fix in code completion
Alexander Belyaev [Mon, 9 Mar 2020 14:03:33 +0000 (15:03 +0100)]
[MLIR] Change custom printer/parser for loop.parallel and loop.reduce.
Krzysztof Parzyszek [Mon, 9 Mar 2020 14:08:02 +0000 (09:08 -0500)]
[Hexagon] Fix match pattern in a testcase
Pavel Labath [Mon, 9 Mar 2020 13:55:43 +0000 (14:55 +0100)]
[lldb] Fix windows&freebsd builds for
c0b1af68
Adam Balogh [Mon, 9 Mar 2020 09:48:56 +0000 (10:48 +0100)]
[Analyzer] Mark constant member functions const in CheckerManager
Most of the getter functions (and a reporter function) in
`CheckerManager` are constant but not marked as `const`. This prevents
functions having only a constant reference to `CheckerManager` using
these member functions. This patch fixes this issue.
Differential Revision: https://reviews.llvm.org/D75839
Thomas Rodgers [Mon, 9 Mar 2020 13:15:45 +0000 (09:15 -0400)]
[pstl] Clean up parameter uglifications
Summary: These were overlooked on an earlier uglification pass.
Differential Revision: https://reviews.llvm.org/D60595
Pavel Labath [Mon, 9 Mar 2020 13:10:41 +0000 (14:10 +0100)]
[lldb] Return Unwinder& from Thread::GetUnwinder
The function always returns a valid object. Let the return type reflect
that, and remove some null checks.
Haojian Wu [Fri, 6 Mar 2020 14:08:23 +0000 (15:08 +0100)]
[clangd][vscode] Enable dot-to-arrow fixes in clangd completion.
Summary:
The previous issue is that the item was filtered out by vscode, because
the prefix (which contains ".") are not matched against the filterText.
This patch works around it by adjusting the item filterText, inspired by
https://reviews.llvm.org/D75623.
Reviewers: sammccall
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, usaxena95, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D75739
James Henderson [Tue, 25 Feb 2020 16:07:16 +0000 (16:07 +0000)]
[DebugInfo] Add check for .debug_line minimum_instruction_length of 0
If the minimum_instruction_length of a debug line program is 0, no
address advancing via special opcodes, DW_LNS_const_add_pc, and
DW_LNS_advance_pc can occur, since the minimum_instruction_length is
used in a multiplication. This patch adds a warning reporting when this
issue occurs.
Reviewed by: probinson
Differential Revision: https://reviews.llvm.org/D75189
James Henderson [Tue, 25 Feb 2020 15:08:07 +0000 (15:08 +0000)]
[DebugInfo] Prevent crash when .debug_line line_range is zero
The line_range value of a debug line program header is used in divisions
related to special opcodes and DW_LNS_const_add_pc opcodes. As such, a
value of 0 cannot be used. This change introduces a new warning, if such
a situation is identified, and does not perform the relevant
calculations.
Reviewed by: probinson, aprantl
Differential Revision: https://reviews.llvm.org/D43470
James Henderson [Wed, 19 Feb 2020 15:03:01 +0000 (15:03 +0000)]
[DebugInfo] Report unsupported maximum_operations_per_instruction values
This patch adds a check which reports an unsupported value of the
maximum_operations_per_instruction field in a debug line table header.
This is reported once per line table, at most, and only if the tablet
would otherwise need to use it (i.e. never for tables with version 3 or
less, or for tables which don't use DW_LNS_const_add_pc or special
opcodes). Unsupported values are currently any apart from 1.
Reviewed by: probinson, MaskRay
Differential Revision: https://reviews.llvm.org/D74819
James Henderson [Wed, 19 Feb 2020 14:03:02 +0000 (14:03 +0000)]
[NFC][DebugInfo] Refactor address advancing operations to share code
This change is a preparatory change for subsequent commits.
Reviewed by: probinson
Differential Revision: https://reviews.llvm.org/D75188
Pavel Labath [Thu, 5 Mar 2020 13:42:03 +0000 (14:42 +0100)]
[lldb] Reduce duplication in the Disassembler class
Summary:
The class has two pairs of functions whose functionalities differ in
only how one specifies how much he wants to disasseble. One limits the
process by the size of the input memory region. The other based on the
total amount of instructions disassembled. They also differ in various
features (like error reporting) that were only added to one of the
versions.
There are various ways in which this could be addressed. This patch
does it by introducing a helper struct called "Limit", which is
effectively a pair specifying the value that you want to limit, and the
actual limit itself.
Reviewers: JDevlieghere
Subscribers: sdardis, jrtc27, atanasyan, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D75730
Alex Cameron [Mon, 9 Mar 2020 11:58:12 +0000 (11:58 +0000)]
[XRay] Sanitize DOT labels in graph output
Summary:
Bugzilla: https://bugs.llvm.org/show_bug.cgi?id=39701
This patch is to convert certain characters to their XML escape sequences when generating labels for a DOT graph.
I had trouble reproducing the exact issue described on the tracker. I ran `llvm-xray graph` on a log from a test program that included function templates but wasn't able to get the `dot` tool to complain about the `<` and `>` characters. The documentation also suggests that the escape sequences should only be necessary when using HTML string labels which XRay doesn't use (`label=<...>` as opposed to `label="..."`). Perhaps newer versions of Graphviz silently handle this in the case of quoted-string labels.
In any case, the generated labels still look correct after this patch and should also fix the reporter's issue.
I was a bit unsure how to add a test for this since the existing tests seem to only care about `func-id` rather than giving an actual name. If you could give me a hint on the best way to go about this, that'd be much appreciated!
Reviewers: dberris
Reviewed By: dberris
Subscribers: lebedev.ri, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D69461
evgeny [Mon, 9 Mar 2020 11:05:15 +0000 (14:05 +0300)]
[WPD] Provide a way to prevent functions from being devirtualized
Differential revision: https://reviews.llvm.org/D75617
Djordje Todorovic [Mon, 9 Mar 2020 10:02:35 +0000 (11:02 +0100)]
[CallSiteInfo] Enable the call site info only for -g + optimizations
Emit call site info only in the case of '-g' + 'O>0' level.
Differential Revision: https://reviews.llvm.org/D75175
Gabor Marton [Mon, 9 Mar 2020 10:58:20 +0000 (11:58 +0100)]
[analyzer] Skip analysis of inherited ctor as top-level function
Summary:
This fixes a regression introduced in https://reviews.llvm.org/D74735
Reviewers: NoQ, Szelethus
Tags: #clang
Differential Revision: https://reviews.llvm.org/D75678
Balázs Kéri [Mon, 9 Mar 2020 10:01:48 +0000 (11:01 +0100)]
[ASTImporter] Added visibility check for variable templates.
Summary:
ASTImporter makes now difference between variable templates
with same name in different translation units if not visible
outside.
Reviewers: a.sidorin, shafik, a_sidorin
Reviewed By: a_sidorin
Subscribers: dkrupp, Szelethus, gamesh411, teemperor, martong, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D75732
Sjoerd Meijer [Mon, 9 Mar 2020 10:37:28 +0000 (10:37 +0000)]
Revert "Recommit "[Driver] Default to -fno-common for all targets""
This reverts commit
2c36c23f3476baf3b9283ea387c579419a70b112.
Still problems in the test-suite, which I really thought I had fixed...
Sven van Haastregt [Mon, 9 Mar 2020 10:26:11 +0000 (10:26 +0000)]
[OpenCL] Fix 'any' and 'all' builtins
These should only be defined for signed integer types according to
OpenCL v2.0 s6.12.6.
KAWASHIMA Takahiro [Tue, 3 Mar 2020 12:52:27 +0000 (21:52 +0900)]
[AArch64] Add support for Fujitsu A64FX
A64FX is an Armv8.2-A CPU used in FUJITSU Supercomputer
PRIMEHPC FX1000, PRIMEHPC FX700, and supercomputer Fugaku.
https://www.fujitsu.com/global/products/computing/servers/supercomputer/specifications/
Differential Revision: https://reviews.llvm.org/D75594
Sjoerd Meijer [Mon, 9 Mar 2020 10:07:37 +0000 (10:07 +0000)]
Recommit "[Driver] Default to -fno-common for all targets"
This includes fixes for:
- test-suite: some benchmarks need to be compiled with -fcommon, see D75557.
- compiler-rt: one test needed -fcommon, and another a change, see D75520.
Balázs Kéri [Mon, 9 Mar 2020 09:15:31 +0000 (10:15 +0100)]
[Analyzer][StreamChecker] Check for opened stream before operations.
Summary:
According to documentations, after an `fclose` call any other stream
operations cause undefined behaviour, regardless if the close failed
or not.
This change adds the check for the opened state before all other
(applicable) operations.
Reviewers: Szelethus
Reviewed By: Szelethus
Subscribers: xazax.hun, baloghadamsoftware, szepet, a.sidorin, mikhail.ramalho, Szelethus, donat.nagy, dkrupp, gamesh411, Charusso, martong, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D75614
Clement Courbet [Tue, 3 Mar 2020 12:17:21 +0000 (13:17 +0100)]
[ExpandMemCmp] Properly constant-fold all compares.
Summary:
This gets rid of duplicated code and diverging behaviour w.r.t.
constants.
Fixes PR45086.
Subscribers: hiraditya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D75519
Nathan James [Mon, 9 Mar 2020 08:12:52 +0000 (08:12 +0000)]
Fix build failure from rG223a43ee8d89
Clement Courbet [Tue, 3 Mar 2020 12:17:21 +0000 (13:17 +0100)]
[ExpandMemCmp] Properly constant-fold all compares.
Summary:
This gets rid of duplicated code and diverging behaviour w.r.t.
constants.
Fixes PR45086.
Subscribers: hiraditya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D75519
Muhammad Omair Javaid [Mon, 9 Mar 2020 07:52:08 +0000 (12:52 +0500)]
[lldb/test] Remove skip arm/aarch64 decorator from instruction counting tests
This patch removes skipIf decorator from instruction counting tests.
We now use inline intruction in testing inferior to make sure that
number of instructions stays fixed. This was tested on aarch64 linux.
Nathan James [Mon, 9 Mar 2020 00:48:51 +0000 (00:48 +0000)]
[clang-tidy] [NFC] Remove unnecessary matchers
Reviewers: aaron.ballman, alexfh, gribozavr2
Reviewed By: aaron.ballman
Subscribers: wuzish, nemanjai, xazax.hun, kbarton, cfe-commits
Tags: #clang, #clang-tools-extra
Differential Revision: https://reviews.llvm.org/D75803
Alex Brachet [Mon, 9 Mar 2020 07:10:59 +0000 (03:10 -0400)]
add extern "C" to __errno_location's definition if in __cplusplus file
Hideto Ueno [Mon, 9 Mar 2020 05:19:32 +0000 (14:19 +0900)]
[Attributor] Deduction based on path exploration
This patch introduces the propagation of known information based on path exploration.
For example,
```
int u(int c, int *p){
if(c) {
return *p;
} else {
return *p + 1;
}
}
```
An argument `p` is dereferenced whatever c's value is.
For an instruction `CtxI`, we accumulate branch instructions in the must-be-executed-context of `CtxI` and then, we take the conjunction of the successors' known state.
Reviewed By: jdoerfert
Differential Revision: https://reviews.llvm.org/D65593