Petr Hosek [Sat, 13 Jul 2019 21:02:07 +0000 (14:02 -0700)]
[InstrProfiling] Use !associated metadata for counters, data and values
The !associated metadata may be attached to a global object declaration
with a single argument that references another global object. This
metadata prevents discarding of the global object in linker GC unless
the referenced object is also discarded.
Furthermore, when a function symbol is discarded by the linker, setting
up !associated metadata allows linker to discard counters, data and
values associated with that function symbol. This is not possible today
because there's metadata to guide the linker. This approach is also used
by other instrumentations like sanitizers.
Note that !associated metadata is only supported by ELF, it does not have
any effect on non-ELF targets.
Differential Revision: https://reviews.llvm.org/D76802
Petr Hosek [Mon, 8 Jun 2020 21:37:27 +0000 (14:37 -0700)]
Revert "[InstrProfiling] Use !associated metadata for counters, data and values"
This reverts commit
39b3c41b65302a969fa5507402976a255a07c158 due to
a failing associated.ll test.
Stanislav Mekhanoshin [Mon, 8 Jun 2020 15:27:07 +0000 (08:27 -0700)]
Stabilize alloca slices sort in SROA
Slice::operator<() has a non-deterministic behavior. If we have
identical slices comparison will depend on the order or operands.
Normally that does not result in unstable compilation results
because the order in which slices are inserted into the vector
is deterministic and llvm::sort() normally behaves as a stable
sort, although that is not guaranteed.
However, there is test option -sroa-random-shuffle-slices which
is used to check exactly this aspect. The vector is first randomly
shuffled and then sorted. The same shuffling happens without this
option under expensive llvm checks.
I have managed to write a test which has hit this problem.
There are no fields in the Slice class to resolve the instability.
We only have offsets, IsSplittable and Use, but neither Use nor
User have anything suitable for predictable comparison.
I have switched to stable_sort which has to be sufficient and
removed that randon shuffle option.
Differential Revision: https://reviews.llvm.org/D81310
Richard Smith [Mon, 8 Jun 2020 21:04:54 +0000 (14:04 -0700)]
Remove improper uses of DiagnosticErrorTrap and hasErrorOccurred.
DiagnosticErrorTrap is usually inappropriate because it indicates
whether an error message was rendered in a given region (and is
therefore affected by -ferror-limit and by suppression of errors if we
see an invalid declaration).
hasErrorOccurred() is usually inappropriate because it indicates
whethere an "error:" message was displayed, regardless of whether the
message was a warning promoted to an error, and therefore depends on
things like -Werror that are usually irrelevant.
Where applicable, CodeSynthesisContexts are used to attach notes to
the first diagnostic produced in a region of code, isnstead of using an
error trap and then attaching a note to whichever diagnostic happened to
be produced last (or suppressing the note if the final diagnostic is a
disabled warning!).
This is mostly NFC.
Sterling Augustine [Mon, 8 Jun 2020 21:11:14 +0000 (14:11 -0700)]
Add #includes so that ROCm.h is compilable stand-alone.
Summary:
ROCm.h had been getting the declarations for various data structures
by being #included next to them, rather than #includeing them itself.
This change fixes that by explicitly including the appropriate headers.
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D81432
Yonghong Song [Sat, 6 Jun 2020 01:37:38 +0000 (18:37 -0700)]
[DebugInfo] Fix assertion for extern void type
Commit
d77ae1552fc2 ("[DebugInfo] Support to emit debugInfo
for extern variables") added support to emit debuginfo
for extern variables. Currently, only BPF target enables to
emit debuginfo for extern variables.
But if the extern variable has "void" type, the compilation will
fail.
-bash-4.4$ cat t.c
extern void bla;
void *test() {
void *x = &bla;
return x;
}
-bash-4.4$ clang -target bpf -g -O2 -S t.c
missing global variable type
!1 = distinct !DIGlobalVariable(name: "bla", scope: !2, file: !3, line: 1,
isLocal: false, isDefinition: false)
...
fatal error: error in backend: Broken module found, compilation aborted!
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace,
preprocessed source, and associated run script.
Stack dump:
...
The IR requires a DIGlobalVariable must have a valid type and the
"void" type does not generate any type, hence the above fatal error.
Note that if the extern variable is defined as "const void", the
compilation will succeed.
-bash-4.4$ cat t.c
extern const void bla;
const void *test() {
const void *x = &bla;
return x;
}
-bash-4.4$ clang -target bpf -g -O2 -S t.c
-bash-4.4$ cat t.ll
...
!1 = distinct !DIGlobalVariable(name: "bla", scope: !2, file: !3, line: 1,
type: !6, isLocal: false, isDefinition: false)
!6 = !DIDerivedType(tag: DW_TAG_const_type, baseType: null)
...
Since currently, "const void extern_var" is supported by the
debug info, it is natural that "void extern_var" should also
be supported. This patch disabled assertion of "void extern_var"
in IR verifier and add proper guarding when emiting potential
null debug info type to dwarf types.
Differential Revision: https://reviews.llvm.org/D81131
Petr Hosek [Sat, 13 Jul 2019 21:02:07 +0000 (14:02 -0700)]
[InstrProfiling] Use !associated metadata for counters, data and values
The !associated metadata may be attached to a global object declaration
with a single argument that references another global object. This
metadata prevents discarding of the global object in linker GC unless
the referenced object is also discarded.
Furthermore, when a function symbol is discarded by the linker, setting
up !associated metadata allows linker to discard counters, data and
values associated with that function symbol. This is not possible today
because there's metadata to guide the linker. This approach is also used
by other instrumentations like sanitizers.
Note that !associated metadata is only supported by ELF, it does not have
any effect on non-ELF targets.
Differential Revision: https://reviews.llvm.org/D76802
Roman Lebedev [Mon, 8 Jun 2020 20:26:54 +0000 (23:26 +0300)]
[Support] FoldingSetNodeID::AddString(): reserve memory
Summary:
It is traditionally potentially very inefficient to not preallocate the memory,
but rely on reallocation every time you push something into vector.
For example, looking at unity build of RawSpeed
(`-O3 -g0 -emit-llvm -Xclang -disable-llvm-optzns`),
the memory story is as follows:
```
total runtime: 11.34s.
calls to allocation functions: 2694053 (237612/s)
temporary memory allocations: 645188 (56904/s)
peak heap memory consumption: 231.36MB
peak RSS (including heaptrack overhead): 397.39MB
```
Looking at details, `FoldingSetNodeID::AddString()` is noteworthy, frequently called and is allocation-heavy.
But it is quite obvious how many times we will push into `Bits` - we will push `String.size()` itself,
and then we will push once per every 4 bytes of `String` (padding last block).
And if we preallocate, we get:
```
total runtime: 11.20s.
calls to allocation functions: 2594704 (231669/s)
temporary memory allocations: 560004 (50000/s)
peak heap memory consumption: 231.36MB
peak RSS (including heaptrack overhead): 398.06MB
```
Which is a measurable win:
```
total runtime: -0.14s. # -1.23 %
calls to allocation functions: -99349 (719920/s) # -3.69 %
temporary memory allocations: -85184 (617275/s) # -13.2 % (!)
peak heap memory consumption: 0B
peak RSS (including heaptrack overhead): 0B
total memory leaked: 0B
```
Reviewers: efriedma, nikic, bkramer
Reviewed By: bkramer
Subscribers: hiraditya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D81342
Michael Liao [Mon, 8 Jun 2020 20:12:58 +0000 (16:12 -0400)]
[lld] Fix shared library build by adding the missing dependency.
Richard Smith [Mon, 8 Jun 2020 18:52:14 +0000 (11:52 -0700)]
More robust fix for crash on invalid range-based for statement.
Reliably mark the loop variable declaration in a range for as having an
invalid initializer if anything goes wrong building the initializer. We
previously based this determination on whether an error was emitted,
which is not a reliable signal due to error suppression (during error
recovery etc).
Also, properly mark the variable as having initializer errors rather
than simply marking it invalid. This is necessary to mark any structured
bindings as invalid too.
This generalizes the previous fix in
936ec89e91e2dda8b6110b1fd1f9920509d7a17b.
jasonliu [Mon, 8 Jun 2020 18:51:33 +0000 (18:51 +0000)]
[XCOFF][AIX] report_fatal_error when an overflow section is needed
If there are more than 65534 relocation entries in a single section,
we should generate an overflow section.
Since we don't support overflow section for now, we should generate
an error.
Differential revision: https://reviews.llvm.org/D81104
Valentin Clement [Mon, 8 Jun 2020 18:38:18 +0000 (14:38 -0400)]
Apply fix from D81179 only from GCC < 8
Summary: Apply workaround done in D81179 only for GCC < 8. As @klausler mentioned in D81179 we want to avoid additional checks for other compilers that do not need them.
Reviewers: DavidTruby, klausler, jdoerfert, sscalpone
Reviewed By: klausler, sscalpone
Subscribers: llvm-commits, tskeith, isuruf, klausler
Tags: #flang, #llvm
Differential Revision: https://reviews.llvm.org/D81208
Arthur Eubanks [Mon, 8 Jun 2020 19:48:03 +0000 (12:48 -0700)]
Revert "Reland D80966 [codeview] Put !heapallocsite on calls to operator new"
This reverts commit
b6e143aa5448bbe29da7b045072e66a31813bced.
Causes https://bugs.chromium.org/p/chromium/issues/detail?id=1092370#c5.
Will investigate and reland (again).
LLVM GN Syncbot [Mon, 8 Jun 2020 19:44:56 +0000 (19:44 +0000)]
[gn build] Port
bb677cacc80
Andrew Litteken [Wed, 8 Apr 2020 22:21:49 +0000 (15:21 -0700)]
[SuffixTree][MachOpt] Factoring out Suffix Tree and adding Unit Tests
This moves the SuffixTree test used in the Machine Outliner and moves it into Support for use in other outliners elsewhere in the compilation pipeline.
Differential Revision: https://reviews.llvm.org/D80586
Julian Lettner [Mon, 8 Jun 2020 19:01:14 +0000 (12:01 -0700)]
[TSan] Revert removal of ignore_interceptors_accesses flag
This flag suppresses TSan FPs on Darwin. I removed this flag
prematurely and have been dealing with the fallout ever since.
This commit puts back the flag, reverting
7d1085cb [1].
[1] https://reviews.llvm.org/D55075
Jian Cai [Mon, 8 Jun 2020 18:53:23 +0000 (11:53 -0700)]
Add a flag to debug automatic variable initialization
Summary:
Add -ftrivial-auto-var-init-stop-after= to limit the number of times
stack variables are initialized when -ftrivial-auto-var-init= is used to
initialize stack variables to zero or a pattern. This flag can be used
to bisect uninitialized uses of a stack variable exposed by automatic
variable initialization, such as http://crrev.com/c/2020401.
Reviewers: jfb, vitalybuka, kcc, glider, rsmith, rjmccall, pcc, eugenis, vlad.tsyrklevich
Reviewed By: jfb
Subscribers: phosek, hubert.reinterpretcast, srhines, MaskRay, george.burgess.iv, dexonsmith, inglorion, gbiv, llozano, manojgupta, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D77168
Nico Weber [Mon, 8 Jun 2020 19:20:16 +0000 (15:20 -0400)]
Revert "[clangd] Resolve driver symlinks, and look up unknown relative drivers in PATH."
This reverts commit
806342b8ef54ec07511d0ce5d3d1335451e952da.
Breaks check-clangd on macOS, https://reviews.llvm.org/D75414#2080076
Florian Hahn [Mon, 8 Jun 2020 18:25:14 +0000 (19:25 +0100)]
[AArch64] Fix ldst-opt of multiple disjunct subregs.
Currently aarch64-ldst-opt will incorrectly rename registers with
multiple disjunct subregisters (e.g. result of LD3). This patch updates
the canRenameUpToDef to bail out if it encounters such a register class
that contains the register to rename.
Fixes PR46105.
Reviewers: efriedma, dmgreen, paquette, t.p.northover
Reviewed By: efriedma
Differential Revision: https://reviews.llvm.org/D81108
Isuru Fernando [Mon, 8 Jun 2020 19:13:58 +0000 (14:13 -0500)]
[flang] Fix issue of flang/runtime/config.h not being found in out of tree builds
Summary: Fixes https://bugs.llvm.org/show_bug.cgi?id=46078
Reviewers: DavidTruby, jdoerfert, PeteSteinfeld, sscalpone, tskeith
Reviewed By: PeteSteinfeld, sscalpone, tskeith
Subscribers: mgorny, llvm-commits, tskeith
Tags: #llvm, #flang
Differential Revision: https://reviews.llvm.org/D81266
Hans Wennborg [Mon, 8 Jun 2020 16:36:56 +0000 (18:36 +0200)]
[PGO] CallPromotion: Don't try to pass sret args to varargs functions
It's not allowed by the verifier.
Differential revision: https://reviews.llvm.org/D81409
Arthur Eubanks [Thu, 28 May 2020 22:00:17 +0000 (15:00 -0700)]
Move *San module passes later in the NPM pipeline
Summary:
This fixes pr33372.cpp under the new pass manager.
ASan adds padding to globals. For example, it will change a {i32, i32, i32} to a {{i32, i32, i32}, [52 x i8]}. However, when loading from the {i32, i32, i32}, InstCombine may (after various optimizations) end up loading 16 bytes instead of 12, likely because it thinks the [52 x i8] padding is ok to load from. But ASan checks that padding should not be loaded from.
Ultimately this is an issue of *San passes wanting to be run after all optimizations. This change moves the module passes right next to the corresponding function passes.
Also remove comment that's no longer relevant, this is the last ASan/MSan/TSan failure under the NPM (hopefully...).
As mentioned in https://reviews.llvm.org/rG1285e8bcac2c54ddd924ffb813b2b187467ac2a6, NPM doesn't support LTO + sanitizers, so modified some tests that test for that.
Reviewers: leonardchan, vitalybuka
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D81323
Louis Dionne [Mon, 8 Jun 2020 18:58:46 +0000 (14:58 -0400)]
[libc++] Improve tests for iterators.operations
Reduce duplication between the constexpr and the non-constexpr test cases,
and add tests for the return type of the various operations.
Craig Topper [Mon, 8 Jun 2020 18:26:11 +0000 (11:26 -0700)]
[X86] Prevent LowerSELECT from causing suboptimal codegen for __builtin_ffs(X) - 1.
LowerSELECT sees the CMP with 0 and wants to use a trick with SUB
and SBB. But we can use the flags from the BSF/TZCNT.
Fixes PR46203.
Differential Revision: https://reviews.llvm.org/D81312
Hendrik Greving [Fri, 5 Jun 2020 18:34:34 +0000 (11:34 -0700)]
[ModuloSchedule] Support instructions with > 1 destination when walking canonical use.
Fixes a minor bug that led to finding the wrong register if the definition had more
than one register destination.
Sanjay Patel [Mon, 8 Jun 2020 18:09:04 +0000 (14:09 -0400)]
[InstCombine] improve matching for sext-lshr-trunc patterns, part 2
Similar to rG42f488b63a04
This is intended to preserve the logic of the existing transform,
but remove unnecessary restrictions on uses and types.
https://rise4fun.com/Alive/oS0
Name: narrow input
Pre: C1 <= width(C1) - 24
%B = sext i8 %A
%C = lshr %B, C1
%r = trunc %C to i24
=>
%s = ashr i8 %A, trunc(umin(C1, 7))
%r = sext i8 %s to i24
Name: wide input
Pre: C1 <= width(C1) - 24
%B = sext i24 %A
%C = lshr %B, C1
%r = trunc %C to i8
=>
%s = ashr i24 %A, trunc(umin(C1, 23))
%r = trunc i24 %s to i8
Sanjay Patel [Mon, 8 Jun 2020 17:08:40 +0000 (13:08 -0400)]
[InstCombine] add tests for sext+lshr+trunc; NFC
Shows missing transforms with extra uses and vectors.
Christopher Tetreault [Mon, 8 Jun 2020 18:07:25 +0000 (11:07 -0700)]
[SVE] Eliminate calls to default-false VectorType::get() from llvm-stress
Reviewers: efriedma, kmclaughlin, sdesmalen, MaskRay, JDevlieghere
Reviewed By: sdesmalen
Subscribers: tschuett, rkruppe, psnobl, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D81201
Chris Jackson [Mon, 8 Jun 2020 17:44:11 +0000 (18:44 +0100)]
[DebugInfo] Reduce SalvageDebugInfo() functions
- Now all SalvageDebugInfo() calls will mark undef if the salvage
attempt fails.
Reviewed by: vsk, Orlando
Differential Revision: https://reviews.llvm.org/D78369
Yaxun (Sam) Liu [Mon, 8 Jun 2020 17:42:52 +0000 (13:42 -0400)]
Rename arg name in __clang_hip_math.h
__sptr is a keyword for ms-extension. Change it from __sptr to __sinptr.
Saleem Abdulrasool [Sat, 6 Jun 2020 02:54:58 +0000 (19:54 -0700)]
lld: improve the `-arch` handling for MachO
Use the default target triple configured by the user to determine the
default architecture for `ld64.lld`. Stash the architecture in the
configuration as when linking against TBDs, we will need to filter out
the symbols based upon the architecture. Treat the Haswell slice as it
is equivalent to `x86_64` but with the extra Haswell extensions (e.g.
AVX2, FMA3, BMI1, etc). This will make it easier to add new
architectures in the future.
This change also changes the failure mode where an invalid `-arch`
parameter will result in the linker exiting without further processing.
Florian Hahn [Mon, 8 Jun 2020 17:29:17 +0000 (18:29 +0100)]
[AArch64] Add a ldst-opt test with undef operands (NFC).
This patch adds a test to check that we do not use an undef renamable
register for renaming the other operand in a LDP instruction, as
suggested in D81108.
Jan-Willem Maessen [Mon, 8 Jun 2020 17:38:16 +0000 (18:38 +0100)]
[NFC] Fix quadratic LexicalScopes::constructScopeNest
We sometimes have functions with large numbers of sibling basic
blocks (usually with an error path exit from each one). This was
triggering the qudratic behavior in this function - after visiting
each child llvm would re-scan the parent from the beginning again. We
modify the work stack to record the next index to be worked on
alongside the pointer. This avoids the need to linearly search for
the next unfinished child.
Differential Revision: https://reviews.llvm.org/D80029
Christopher Tetreault [Mon, 8 Jun 2020 17:12:08 +0000 (10:12 -0700)]
[SVE] Eliminate calls to default-false VectorType::get() from CodeGen
Reviewers: efriedma, c-rhodes, david-arm, spatel, craig.topper, aqjune, paquette, arsenm, gchatelet
Reviewed By: spatel, gchatelet
Subscribers: wdng, tschuett, hiraditya, rkruppe, psnobl, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D80313
Hiroshi Yamauchi [Tue, 2 Jun 2020 17:50:59 +0000 (10:50 -0700)]
[PGO][PGSO] Enable non-cold code size opts under non-partial-profile sample PGO.
Summary: Following up D78949.
Reviewers: davidxl
Subscribers: hiraditya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D81020
LLVM GN Syncbot [Mon, 8 Jun 2020 16:55:22 +0000 (16:55 +0000)]
[gn build] Port
550b5995233
zoecarver [Mon, 8 Jun 2020 16:47:48 +0000 (09:47 -0700)]
[NFC] [libcxx] Remove shared_ptr's no-rvalue unique_ptr converting constructor.
All compilers supported by libc++ have rvalues in C++03 mode so, there is no need for this non-rvalue overload.
Differential Revision: https://reviews.llvm.org/D80881
Jonas Devlieghere [Mon, 8 Jun 2020 16:46:34 +0000 (09:46 -0700)]
[Support] Replace 'DisableColors' boolean with 'ColorMode' enum
Replace the DisableColors with a ColorMode which can be set to Auto,
Enabled and Disabled. The purpose of this change is to make it possible
to ignore the command line option not only for disabling colors, but
also for enabling them.
Differential revision: https://reviews.llvm.org/D81056
Matt Arsenault [Mon, 8 Jun 2020 16:46:55 +0000 (12:46 -0400)]
AMDGPU/GlobalISel: Precommit regenerated check lines
The update_*test_checks scripts miss new stuff added at the end of
lines. Regenerate checks so the new mode register operands don't show
up in the diff of a future patch.
David Goldman [Fri, 5 Jun 2020 14:57:33 +0000 (10:57 -0400)]
[Sema][CodeComplete][ObjC] Don't include arrow/dot fixits
Summary:
Exempt ObjC from arrow/dot fixits since this has limited value for
Objective-C, where properties (referenced by dot syntax) are normally
backed by ivars (referenced by arrow syntax).
In addition, the current implementation doesn't properly mark
the fix it condition for Objective-C.
This was initially added in https://reviews.llvm.org/D41537
for C++ and then later C, don't believe the Objective-C changes
were intentional.
Reviewers: sammccall, yvvan
Subscribers: jfb, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D81263
Kadir Cetinkaya [Mon, 8 Jun 2020 16:17:42 +0000 (18:17 +0200)]
[clangd] Drop unnecessary FS modifications in FindSymbolsTests
Fangrui Song [Mon, 8 Jun 2020 16:32:30 +0000 (09:32 -0700)]
Reland D80979 [clang] Implement VectorType logic not operator
With a fix to use -triple %itanium_abi_triple
Differential Revision: https://reviews.llvm.org/D80979
Ilya Biryukov [Mon, 8 Jun 2020 16:20:10 +0000 (19:20 +0300)]
Updates to the 'CLion Integration' section in ClangFormat docs
This commit updates the 'CLion Integration' section in ClangFormat docs.
Key changes:
- clang-format is enabled automatically when there is a config file;
- formatting now works for indentations;
- if clang-format is enabled without a config file, CLion suggests creating it based on the IDE settings or uses the LLVM style by default.
Patch by Marina Kalashina!
Reviewers: sylvestre.ledru, ilya-biryukov
Reviewed By: ilya-biryukov
Subscribers: ilya-biryukov, klimek, MyDeveloperDay, sammccall, gribozavr2
Differential Revision: https://reviews.llvm.org/D80721
Jonas Devlieghere [Mon, 8 Jun 2020 15:47:55 +0000 (08:47 -0700)]
[Support] Move color handling from raw_fd_ostream to raw_ostream
Move the color handling code from raw_fd_ostream to raw_ostream. This
makes it possible to use colors with any ostream when enabled. The
existing behavior where only raw_fd_ostream supports colors by default
remains unchanged.
Differential revision: https://reviews.llvm.org/D81110
Sanjay Patel [Mon, 8 Jun 2020 15:37:43 +0000 (11:37 -0400)]
[InstCombine] improve matching for sext-lshr-trunc patterns
This is intended to preserve the logic of the existing transform,
but remove unnecessary restrictions on uses and types.
https://rise4fun.com/Alive/pYfR
Pre: C1 <= width(C1) - 8
%B = sext i8 %A
%C = lshr %B, C1
%r = trunc %C to i8
=>
%r = ashr i8 %A, trunc(umin(C1, 7))
David Goldman [Fri, 5 Jun 2020 18:00:13 +0000 (14:00 -0400)]
[ObjC] Fix AST serialization for pseudo-strong parameters
This bit was assumed to be always false for ParmVarDecls, but attribute
objc_externally_retained now can produce it.
Differential revision: https://reviews.llvm.org/D74417
Alexander Belyaev [Mon, 8 Jun 2020 15:48:01 +0000 (17:48 +0200)]
[mlir] Lower Shape binary ops (AddOp, MulOp) to Standard.
Differential Revision: https://reviews.llvm.org/D81344
Haojian Wu [Mon, 8 Jun 2020 12:52:20 +0000 (14:52 +0200)]
[AST] Fix a clang crash on an invalid for-range statement.
Summary:
crash stack:
```
llvm-project/clang/lib/AST/ASTContext.cpp:2248: clang::TypeInfo clang::ASTContext::getTypeInfoImpl(const clang::Type *) const: Assertion `!A->getDeducedType().isNull() && "cannot request the size of an undeduced or dependent auto type"' failed.
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
#0 0x00000000025bb0bf llvm::sys::PrintStackTrace(llvm::raw_ostream&) llvm-project/llvm/lib/Support/Unix/Signals.inc:564:13
#1 0x00000000025b92b0 llvm::sys::RunSignalHandlers() llvm-project/llvm/lib/Support/Signals.cpp:69:18
#2 0x00000000025bb535 SignalHandler(int) llvm-project/llvm/lib/Support/Unix/Signals.inc:396:3
#3 0x00007f9ef9298110 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x14110)
#4 0x00007f9ef8d72761 raise /build/glibc-M65Gwz/glibc-2.30/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
#5 0x00007f9ef8d5c55b abort /build/glibc-M65Gwz/glibc-2.30/stdlib/abort.c:81:7
#6 0x00007f9ef8d5c42f get_sysdep_segment_value /build/glibc-M65Gwz/glibc-2.30/intl/loadmsgcat.c:509:8
#7 0x00007f9ef8d5c42f _nl_load_domain /build/glibc-M65Gwz/glibc-2.30/intl/loadmsgcat.c:970:34
#8 0x00007f9ef8d6b092 (/lib/x86_64-linux-gnu/libc.so.6+0x34092)
#9 0x000000000458abe0 clang::ASTContext::getTypeInfoImpl(clang::Type const*) const llvm-project/clang/lib/AST/ASTContext.cpp:0:5
```
Reviewers: sammccall
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D81384
Sam McCall [Thu, 28 May 2020 12:24:30 +0000 (14:24 +0200)]
[clangd] Resolve driver symlinks, and look up unknown relative drivers in PATH.
Summary:
This fixes a reported bug: if clang and libc++ are installed under
/usr/lib/llvm-11/... but there'- a symlink /usr/bin/clang++-11, then a
compile_commands.json with "/usr/bin/clang++-11 -stdlib=libc++" would previously
look for libc++ under /usr/include instead of /usr/lib/llvm-11/include.
The PATH change makes this work if the compiler is just "clang++-11" too.
As this is now doing IO potentially on every getCompileCommand(), we cache
the results for each distinct driver.
While here:
- Added a Memoize helper for this as multithreaded caching is a bit noisy.
- Used this helper to simplify QueryDriverDatabase and reduce blocking there.
(This makes use of the fact that llvm::Regex is now threadsafe)
Reviewers: kadircet
Subscribers: jyknight, ormris, ilya-biryukov, MaskRay, jkorous, arphaman, jfb, usaxena95, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D75414
Sanjay Patel [Mon, 8 Jun 2020 15:15:13 +0000 (11:15 -0400)]
[InstCombine] reduce code duplication in visitTrunc(); NFC
Sanjay Patel [Mon, 8 Jun 2020 13:33:00 +0000 (09:33 -0400)]
[InstCombine] add tests for sext+lshr+trunc; NFC
Shows missing transforms with extra uses and vectors.
Shengchen Kan [Mon, 8 Jun 2020 13:43:24 +0000 (21:43 +0800)]
[TEST] TreeTest.cpp - Add a comma to avoid build error with -werror
Summary:
The macro `INSTANTIATE_TEST_CASE_P` is defined as
```
\# define INSTANTIATE_TEST_CASE_P(prefix, test_case_name, generator, ...) \
...
```
If we build the test case with -werror, we will get an error like
```
error: ISO C++11 requires at least one argument for the "..." in a
variadic macro
testing::ValuesIn(TestClangConfig::allConfigs()));
^
```
This patch fixes that.
Reviewers: gribozavr, hlopko, eduucaldas, gribozavr2
Reviewed By: gribozavr2
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D81388
Aaron Puchert [Mon, 8 Jun 2020 14:30:06 +0000 (16:30 +0200)]
Thread safety analysis: Add note for double unlock
Summary:
When getting a warning that we release a capability that isn't held it's
sometimes not clear why. So just like we do for double locking, we add a
note on the previous release operation, which marks the point since when
the capability isn't held any longer.
We can find this previous release operation by looking up the
corresponding negative capability.
Reviewers: aaron.ballman, delesley
Reviewed By: aaron.ballman
Differential Revision: https://reviews.llvm.org/D81352
Aaron Puchert [Mon, 8 Jun 2020 14:29:53 +0000 (16:29 +0200)]
Thread safety analysis: Support deferring locks
Summary:
The standard std::unique_lock can be constructed to manage a lock without
initially acquiring it by passing std::defer_lock as second parameter.
It can be acquired later by calling lock().
To support this, we use the locks_excluded attribute. This might seem
like an odd choice at first, but its consistent with the other
annotations we support on scoped capability constructors. By excluding
the lock we state that it is currently not in use and the function
doesn't change that, which is exactly what the constructor does.
Along the way we slightly simplify handling of scoped capabilities.
Reviewers: aaron.ballman, delesley
Reviewed By: aaron.ballman
Differential Revision: https://reviews.llvm.org/D81332
Aaron Puchert [Mon, 8 Jun 2020 14:58:12 +0000 (16:58 +0200)]
Fix build after removing llvm/CodeGen/GlobalISel/Types.h
Removing the include was probably just forgotten after
f13ba22227ea221af55bdad43c94e9cc43ef0926.
Guillaume Chatelet [Mon, 8 Jun 2020 07:25:57 +0000 (07:25 +0000)]
[Alignment][NFC] Deprecate dead code from CallingConvLower.h
Summary: This is a followup on D81196.
Reviewers: courbet
Subscribers: hiraditya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D81362
Dmitry Vyukov [Mon, 8 Jun 2020 14:45:39 +0000 (16:45 +0200)]
tsan: add OpenBSD support for Go
With the race_debug_openbsd_amd64.syso file created via this diff,
Go's race detector is able to detect a race in the example code
link: https://golang.org/doc/articles/race_detector.html
Reviewed-in: https://reviews.llvm.org/D80469
Author: qbit (Aaron Bieber)
Xing GUO [Mon, 8 Jun 2020 14:48:32 +0000 (22:48 +0800)]
[ObjectYAML] Add support for error handling in DWARFYAML. NFC.
This patch intends to be an NFC-patch. Test cases will be added in a follow-up patch.
Reviewed By: jhenderson, grimar
Differential Revision: https://reviews.llvm.org/D81356
Isuru Fernando [Mon, 8 Jun 2020 14:08:35 +0000 (15:08 +0100)]
[flang] Use LLVM's flags
Summary:
The only difference is that LLVM_ENABLE_WERROR is set to OFF
by default, but we enable this in a standalone flang build
This commit fixes some windows issues with the flags
Reviewers: DavidTruby, jdoerfert, sscalpone
Reviewed By: DavidTruby, sscalpone
Subscribers: ormris, richard.barton.arm, mehdi_amini, Meinersbur, ChinouneMehdi, tskeith, mgorny, llvm-commits
Tags: #llvm, #flang
Differential Revision: https://reviews.llvm.org/D78306
Matt Arsenault [Mon, 8 Jun 2020 14:25:57 +0000 (10:25 -0400)]
GlobalISel: Remove dead include
Sam Parker [Mon, 8 Jun 2020 14:25:03 +0000 (15:25 +0100)]
[CostModel] Follow-up to buildbot fix
Adding type checks into the other backends that call
getTypeLegalizationCost.
Differential Revision: https://reviews.llvm.org/D80984
Matt Arsenault [Mon, 8 Jun 2020 14:18:33 +0000 (10:18 -0400)]
GlobalISel: Remove deprecated methods
These have very few users to begin with, and have been marked
deprecated for 2 months which should be long enough for out of tree
targets.
David Sherwood [Thu, 4 Jun 2020 14:53:06 +0000 (15:53 +0100)]
[CodeGen] Fix nullptr crash in tryConvertSVEWideCompare
When the input to a wide compare instruction is a DUP or SPLAT_VECTOR
node we should deal with cases where the DUP/SPLAT_VECTOR input
operand is not an immediate value. I've fixed the code to return
SDValue() in such cases and added a couple of tests - one each to
represent the signed and unsigned cases.
Differential Revision: https://reviews.llvm.org/D81167
Matt Arsenault [Mon, 8 Jun 2020 14:04:19 +0000 (10:04 -0400)]
GlobalISel: Use Register
Matt Arsenault [Mon, 8 Jun 2020 14:05:56 +0000 (10:05 -0400)]
GlobalISel: Remove unused header
Matt Arsenault [Sat, 6 Jun 2020 18:19:45 +0000 (14:19 -0400)]
GlobalISel: Add dump method to LLT
Matt Arsenault [Mon, 8 Jun 2020 13:49:34 +0000 (09:49 -0400)]
GlobalISel: Make it clearer that regbank/class are mutually exclusive
Matt Arsenault [Mon, 8 Jun 2020 01:56:42 +0000 (21:56 -0400)]
GlobalISel: Simplify debug printing
Kazushi (Jam) Marukawa [Mon, 8 Jun 2020 13:58:31 +0000 (15:58 +0200)]
[VE] Support floating-point arithmetic instructions in MC layer
Summary:
Add regression tests of asmparser, mccodeemitter, and disassembler for
floating-point arithmetic instructions. Add FADDQ, FSUBQ, FMULQ, and
FCMPQ instructions and F128 register class too.
Differential Revision: https://reviews.llvm.org/D81386
Pavel Labath [Mon, 8 Jun 2020 13:19:31 +0000 (15:19 +0200)]
[lldb] Fail evaluation of DWARF expressions with unknown opcodes
Previously, we were simply ignoring them and continuing the evaluation.
This behavior does not seem useful, because the resulting value will
most likely be completely bogus.
Haojian Wu [Thu, 4 Jun 2020 11:22:19 +0000 (13:22 +0200)]
[AST][RecoveryExpr] Populate the dependence bits from CompoundStmt result expr to StmtExpr.
Summary:
We lost errorBit for StmtExpr if a recoveryExpr is the result
expr of a CompoundStmt, which will lead to crashes.
```
// `-StmtExpr
// `-CompoundStmt
// `-RecoveryExp
({ invalid(); });
```
Reviewers: sammccall
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D81154
Pavel Labath [Mon, 8 Jun 2020 13:24:17 +0000 (15:24 +0200)]
[BinaryFormat] Add formatv support for DW_OP constants
The functionality will be used from lldb.
Jay Foad [Wed, 5 Feb 2020 09:52:32 +0000 (09:52 +0000)]
[AMDGPU] Cluster MIMG instructions
Differential Revision: https://reviews.llvm.org/D74035
Simon Pilgrim [Mon, 8 Jun 2020 12:58:11 +0000 (13:58 +0100)]
DbgEntityHistoryCalculator.h - reduce DebugInfoMetadata.h include to forward declarations. NFC.
Simon Pilgrim [Mon, 8 Jun 2020 12:07:27 +0000 (13:07 +0100)]
YAMLRemarkParser.cpp - remove duplicate RemarkParser.h include. NFC.
This is already defined in the YAMLRemarkParser.h module header
Pavel Labath [Tue, 2 Jun 2020 14:01:11 +0000 (16:01 +0200)]
[lldb/DWARF] Fix PC value for artificial tail call frames for the "GNU" case
Summary:
The way that the support for the GNU dialect of tail call frames was
implemented in D80519 meant that the were reporting very bogus PC values
which pointed into the middle of an instruction: the -1 trick is
necessary for the address to resolve to the right function, but we
should still be reporting a more realistic PC value -- I say "realistic"
and not "real", because it's very debatable what should be the correct
PC value for frames like this.
This patch achieves that my moving the -1 from SymbolFileDWARF into the
stack frame computation code. The idea is that SymbolFileDWARF will
merely report whether it has provided an address of the instruction
after the tail call, or the address of the call instruction itself. The
StackFrameList machinery uses this information to set the "behaves like
frame zero" property of the artificial frames (the main thing this flag
does is it controls the -1 subtraction when looking up the function
address).
This required a moderate refactor of the CallEdge class, because it was
implicitly assuming that edges pointing after the call were real calls
and those pointing the the call insn were tail calls. The class now
carries this information explicitly -- it carries three mostly
independent pieces of information:
- an address of interest in the caller
- a bit saying whether this address points to the call insn or after it
- whether this is a tail call
Reviewers: vsk, dblaikie
Subscribers: aprantl, mgrang, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D81010
Wen-Heng (Jack) Chung [Mon, 1 Jun 2020 15:48:23 +0000 (10:48 -0500)]
[mlir][gpu] Fix logic error in D79508 computing number of private attributions.
Fix logic error in D79508. The old logic would make the first check in
`GPUFuncOp::verifyBody` always pass.
Jonathan Coe [Fri, 5 Jun 2020 12:23:34 +0000 (13:23 +0100)]
[clang-format] treat 'lock' as a keyword for C# code
Summary: This will put a space in `lock (process)` when spaces are required after keywords.
Reviewers: krasimir
Reviewed By: krasimir
Subscribers: cfe-commits
Tags: #clang-format, #clang
Differential Revision: https://reviews.llvm.org/D81255
Sam McCall [Sat, 11 Apr 2020 09:02:46 +0000 (11:02 +0200)]
[Preamble] Invalidate preamble when missing headers become present.
Summary:
To avoid excessive extra stat()s, only check the possible locations of
headers that weren't found at all (leading to a compile error).
For headers that *were* found, we don't check for files earlier on the
search path that could override them.
Reviewers: kadircet
Subscribers: javed.absar, jkorous, arphaman, usaxena95, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D77942
David Sherwood [Mon, 8 Jun 2020 10:20:13 +0000 (11:20 +0100)]
[SVE] Remove getNumElements() calls in Verifier::visitIntrinsicCall
Replace getNumElements() with getElementCount() when asserting that
two types have the same element counts.
Differential Revision: https://reviews.llvm.org/D81371
Pavel Labath [Mon, 8 Jun 2020 11:33:22 +0000 (13:33 +0200)]
[lldb] Fix YAMLModuleTester for the rename in
67b4afc4
Kadir Cetinkaya [Thu, 4 Jun 2020 16:26:52 +0000 (18:26 +0200)]
[clangd] Change ParseInputs to store FSProvider rather than VFS
Summary: This ensures ParseInputs provides a read-only access to FS.
Reviewers: sammccall
Subscribers: ilya-biryukov, javed.absar, MaskRay, jkorous, arphaman, usaxena95, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D81173
Cullen Rhodes [Tue, 19 May 2020 12:55:53 +0000 (12:55 +0000)]
[AArch64][SVE] Implement vector tuple intrinsics
Summary:
This patch adds the following intrinsics for creating two-tuple,
three-tuple and four-tuple scalable vectors:
* llvm.aarch64.sve.tuple.create2
* llvm.aarch64.sve.tuple.create3
* llvm.aarch64.sve.tuple.create4
As well as:
* llvm.aarch64.sve.tuple.get
* llvm.aarch64.sve.tuple.set
For extracting and inserting scalable vectors from vector tuples. These
intrinsics are intended to be used by the ACLE functions svcreate<n>,
svget and svset.
This patch also includes calling convention support for passing and
returning tuples of scalable vectors to/from functions.
Reviewed By: efriedma
Differential Revision: https://reviews.llvm.org/D75674
Guillaume Chatelet [Mon, 8 Jun 2020 08:48:49 +0000 (08:48 +0000)]
[Alignment][NFC] Migrate HandleByVal to Align
Summary: Note to downstream target maintainers: this might silently change the semantics of your code if you override `TargetLowering::HandleByVal` without marking it `override`.
This patch is part of a series to introduce an Alignment type.
See this thread for context: http://lists.llvm.org/pipermail/llvm-dev/2019-July/133851.html
See this patch for the introduction of the type: https://reviews.llvm.org/D64790
Reviewers: courbet
Subscribers: sdardis, hiraditya, jrtc27, atanasyan, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D81365
Nico Weber [Mon, 8 Jun 2020 10:48:14 +0000 (06:48 -0400)]
Reverte AArch64 changes to popcount test, they break most bots.
See http://lab.llvm.org:8011/console.
This reverts commit
0fa3a03327909a27c0ed372b46e3ef3cccd1d827.
This reverts commit
5787ad6c918a240301ba5881c939c8a565da174e.
Nico Weber [Mon, 8 Jun 2020 10:45:21 +0000 (06:45 -0400)]
Revert "[clang] Implement VectorType logic not operator."
This reverts commit
a0de3335edcf19305dad592d21ebe402825184f6.
Breaks check-clang on Windows, see e.g.
https://reviews.llvm.org/D80979#2078750 (but fails on all
other Windows bots too).
Frederik Gossen [Mon, 8 Jun 2020 10:24:50 +0000 (10:24 +0000)]
[MLIR][Shape] Add support for `OpAsmInterface` in `shape.const_size`
The SSA values created with `shape.const_size` are now named depending on the
value.
A constant size of 3, e.g., is now automatically named `%c3`.
Differential Revision: https://reviews.llvm.org/D81249
Shawn Landden [Mon, 8 Jun 2020 10:23:20 +0000 (14:23 +0400)]
[AArch64] Add combine-load test; NFC
Problem discovered in https://reviews.llvm.org/D81343
Alexander Belyaev [Mon, 8 Jun 2020 10:14:19 +0000 (12:14 +0200)]
Revert "Revert "[MLIR] Lower shape.num_elements -> shape.reduce.""
This reverts commit
a25f5cd70cef6f74eed45a61c14abca98cd416e4.
Now the build with `-DBUILD_SHARED_LIBS=ON` is fixed.
Simon Pilgrim [Mon, 8 Jun 2020 09:56:26 +0000 (10:56 +0100)]
VersionTuple.h - reduce includes to forward declarations. NFC.
Sam McCall [Mon, 8 Jun 2020 08:55:10 +0000 (10:55 +0200)]
Recognize *.hxx as a C++ header extension, like *.hpp.
Reviewers: kadircet
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D81366
Dineshkumar Bhaskaran [Mon, 8 Jun 2020 09:42:02 +0000 (09:42 +0000)]
[ELF] Adding accessor method for getting Note Desc as StringRef
Summary: One more way to access note desc.
Reviewers: arsenm, scott.linder, saiislam
Reviewed By: scott.linder
Subscribers: wdng, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D81185
Kazushi (Jam) Marukawa [Mon, 8 Jun 2020 09:41:41 +0000 (11:41 +0200)]
[VE] Support control instructions in MC layer
Summary:
Add regression tests of asmparser, mccodeemitter, and disassembler for
control instructions. Add not defined LPM/SPM/LFR/SFR/SMIR/NOP/LCR/
SCR/TSCR/FIDCR control isntructions newly. Define MISC registers which
SMIR instruction reads and IC register which SIC instruction reads.
Change asmparser to support Zero, UImm3, and UImm6 operands and MISC
registers. Change instprinter to support MISC registers also.
Change to use auto to receive dyn_cast also.
Differential Revision: https://reviews.llvm.org/D81370
Sander de Smalen [Fri, 5 Jun 2020 17:29:43 +0000 (18:29 +0100)]
[CodeGen][SVE] CopyToReg: Split scalable EVTs that are not powers of 2
Scalable vectors cannot use 'BUILD_VECTOR', so it is necessary to
properly split and widen scalable vectors when passing them
to CopyToReg/CopyFromReg.
This functionality is added to TargetLoweringBase::getVectorTypeBreakdown().
This patch only adds support for 'splitting' scalable vectors that
are a multiple of some legal type, e.g.
<vscale x 6 x i64> -> 3 x <vscale x 2 x i64>
Reviewers: efriedma, c-rhodes
Reviewed By: efriedma
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D80139
Frederik Gossen [Mon, 8 Jun 2020 09:37:43 +0000 (09:37 +0000)]
[MLIR] Add `to/from_extent_tensor` lowering to the standard dialect
The operations `to_extent_tensor` and `from_extent_tensor` become no-ops when
lowered to the standard dialect.
This is possible with a lowering from `shape.shape` to `tensor<?xindex>`.
Differential Revision: https://reviews.llvm.org/D81162
Frederik Gossen [Mon, 8 Jun 2020 09:33:24 +0000 (09:33 +0000)]
[MLIR] Add type conversion for `shape.shape`
Convert `shape.shape` to `tensor<?xindex>` when lowering the `shape` to the
`std` dialect.
Differential Revision: https://reviews.llvm.org/D81161
Xing GUO [Mon, 8 Jun 2020 09:30:23 +0000 (17:30 +0800)]
[DWARFYAML] Rename function names to match the coding style. NFC.
Shawn Landden [Mon, 8 Jun 2020 09:16:26 +0000 (13:16 +0400)]
[AArch64] update popcount pre-patch test, take 2; NFC
accidentally pushed the post-patch test results
The change from before is the use of -O0 to see better what changed
Shawn Landden [Mon, 8 Jun 2020 09:12:47 +0000 (13:12 +0400)]
[AArch64] update popcount pre-patch test; NFC
Frederik Gossen [Mon, 8 Jun 2020 08:58:06 +0000 (08:58 +0000)]
[MLIR] Clean up `shape` to `std` lowering
Apply post-commit suggestions to the new lowering.
Differential Revision: https://reviews.llvm.org/D81160