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384207 Commits

Author SHA1 Message Date
Han Zhu 2bd4049ceb Revert "[loop-idiom] Hoist loop memcpys to loop preheader"
This reverts commit deb5095833.

Bad commit message.
2021-03-29 23:35:35 -07:00
Fangrui Song cef167f8d4 [DebugInfo][unittest] Fix heap-use-after-free after D76115 2021-03-29 23:31:14 -07:00
Han Zhu deb5095833 [loop-idiom] Hoist loop memcpys to loop preheader
Summary:

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Differential Revision: https://phabricator.intern.facebook.com/D26380397
2021-03-29 23:14:42 -07:00
Johannes Doerfert 03cc8a1ba0 [OpenMP][NFC] Move the `noinline` to the parallel entry point
The `noinline` for non-SPMD parallel functions is probably not necessary
but as long as we use it we should put it on the outermost parallel
function, which is the wrapper, not the actual outlined function.

Resolves PR49752

Reviewed By: JonChesterfield

Differential Revision: https://reviews.llvm.org/D99506
2021-03-30 01:12:45 -05:00
Max Kazantsev 18b3415e61 [Test] Add a test demonstrating a missing opportunity to PRE a load 2021-03-30 12:29:11 +07:00
Fangrui Song 58c62fd976 [sanitizer] Improve accuracy of GetTls on x86/s390
The previous code may underestimate the static TLS surplus part, which may cause
false positives to LeakSanitizer if a dynamically loaded module uses the surplus
and there is an allocation only referenced by a thread's TLS.
2021-03-29 22:14:29 -07:00
Vitaly Buka 749e609ec9 [NFC][scudo] Sort sources in CMake file 2021-03-29 22:12:20 -07:00
Vitaly Buka 51fa9e0fd9 [NFC][scudo] Add memtag.h into CMake file 2021-03-29 22:12:20 -07:00
Alok Kumar Sharma 9fb0025f70 [DebugInfo] Upgrade DISubragne::count to accept DIExpression also
This is needed for Fortran assumed shape arrays whose dimensions are
defined as,
  - 'count' is taken from array descriptor passed as parameter by
    caller, access from descriptor is defined by type DIExpression.
  - 'lowerBound' is defined by callee.
The current alternate way represents using upperBound in place of
count, where upperBound is calculated in callee in a temp variable
using lowerBound and count

Representation with count (DIExpression) is not only clearer as
compared to upperBound (DIVariable) but it has another advantage that
variable count is accessed by being parameter has better chance of
survival at higher optimization level than upperBound being local
variable.

Reviewed By: aprantl

Differential Revision: https://reviews.llvm.org/D99335
2021-03-30 09:16:55 +05:30
Rahman Lavaee 90c401cab6 [Propeller] Do not generate the BB address map for empty functions.
Empty functions (functions with no real code) are irrelevant for propeller optimizations and their addresses sometimes conflict with other functions which obfuscates the analysis.
This simple change skips the BB address map emission for such functions.

Reviewed By: tmsriram

Differential Revision: https://reviews.llvm.org/D99395
2021-03-29 20:15:01 -07:00
Stella Stamenova 54ab62e8ea Revert "Add missing dependency to fix building the jit tests"
This breaks the windows bots because the dependency does not exist on Windows.
Per the cmake file:

if(CMAKE_HOST_UNIX)
  add_subdirectory(LLJITWithRemoteDebugging)
endif()

This reverts commit bd56e91fdb.
2021-03-29 20:06:31 -07:00
Jun Ma 65462a08bf [NFC][SVE] Remove redundant pattern 2021-03-30 10:35:08 +08:00
Jun Ma 1af373c673 [AArch64][SVE] Codegen dup_lane for dup(vector_extract)
Differential Revision: https://reviews.llvm.org/D99324
2021-03-30 10:35:08 +08:00
Jun Ma b0db2dbc29 [AArch64][SVEIntrinsicOpts] Optimize tbl+dup into dup+extractelement
Differential Revision: https://reviews.llvm.org/D99412
2021-03-30 10:35:08 +08:00
Amy Huang 5127da0291 Revert "[COFF] Only consider associated EH sections during ICF"
This change causes an asan error for ODR violation.

This reverts commit 7ce9a3e9a9.
2021-03-29 19:15:35 -07:00
Louis Dionne 478d1eded2 [libc++] Re-enable macOS back-deployment testing
Download older roots from Dropbox instead of Green Dragon, which is too
unreliable. Also XFAIL tests that were broken for back-deployment
configurations by D98097.

Differential Revision: https://reviews.llvm.org/D99359
2021-03-29 22:09:23 -04:00
Hsiangkai Wang 5821a58d8e [RISCV] Add inline asm constraint 'vr' and 'vm' in Clang for RISC-V 'V'.
Add asm constraint 'vr' for vector registers.
Add asm constraint 'vm' for vector mask registers.

Differential Revision: https://reviews.llvm.org/D98616
2021-03-30 09:47:27 +08:00
Evandro Menezes fd94cfeeb5 [RISCV] Move scheduling resources for B into a separate file (NFC)
Differential Revision: https://reviews.llvm.org/D99557
2021-03-29 20:37:22 -05:00
Adrian Prantl 8573c28a51 Add debug support for set types
This commit adds debugging support for set types defined in languages
such as Pascal and Modula-2.

Patch by Peter McKinna!

Differential Revision: https://reviews.llvm.org/D76115
2021-03-29 18:04:48 -07:00
Dave Lee 50a6aa6c0f [llvm][utils] Fix handling of llvm::None 2021-03-29 17:43:53 -07:00
David Blaikie bd56e91fdb Add missing dependency to fix building the jit tests 2021-03-29 17:33:08 -07:00
Thomas Lively a1b8b0739a [WebAssembly] Fix i8x16.popcnt opcode
When I updated the SIMD opcodes in f5764a8654, I accidentally missed updating
i8x16.popcnt. This patch fixes the omission.

Differential Revision: https://reviews.llvm.org/D99536
2021-03-29 17:23:15 -07:00
Jonas Devlieghere b19a9efbc9 [dsymutil] s/dwarfdump/llvm-dwarfdump/ in test 2021-03-29 17:14:35 -07:00
Huihui Zhang ca721042f1 [IPO][SampleContextTracker] Use SmallVector to track context profiles to prevent non-determinism.
Use SmallVector instead of SmallSet to track the context profiles mapped. Doing this
can help avoid non-determinism caused by iterating over unordered containers.

This bug was found with reverse iteration turning on,
--extra-llvm-cmake-variables="-DLLVM_REVERSE_ITERATION=ON".
Failing LLVM test profile-context-tracker-debug.ll .

Reviewed By: MaskRay, wenlei

Differential Revision: https://reviews.llvm.org/D99547
2021-03-29 16:37:10 -07:00
Jessica Paquette 247ff26a89 [AArch64][GlobalISel] NFC: Replace IR regbankselect test with MIR test
regbank-ceil.ll -> regbank-ceil.mir

The IR test was intended to only check register banks. This makes it brittle,
especially as we improve load/store combines in GlobalISel.

Rewriting this as a MIR test also makes it more consistent with the rest of
the testcases in GlobalISel.
2021-03-29 16:32:34 -07:00
Jonas Devlieghere e0577b3130 [dsymutil] Relocate DW_TAG_label
dsymutil is not relocating the DW_AT_low_pc for a DW_TAG_label. This
patch fixes that and adds a test.

Differential revision: https://reviews.llvm.org/D99534
2021-03-29 15:45:48 -07:00
Jonas Devlieghere 984e2f440a [lldb] Prints error using WithColor::error in lldb-platform 2021-03-29 15:45:33 -07:00
Greg Clayton eee309068e Fix .debug_aranges parsing issues.
When LLVM error handling was introduced to the parsing of the .debug_aranges it would cause major issues if any DWARFDebugArangeSet::extract() calls returned any errors. The code in DWARFDebugInfo::GetCompileUnitAranges() would end up calling DWARFDebugAranges::extract() which would return an error if _any_ DWARFDebugArangeSet had any errors, but it default constructed a DWARFDebugAranges object into DWARFDebugInfo::m_cu_aranges_up and populated it partially, and returned an error prior to finishing much needed functionality in the DWARFDebugInfo::GetCompileUnitAranges() function. Subsequent callers to this function would see that the DWARFDebugInfo::m_cu_aranges_up was actually valid and return this partially populated DWARFDebugAranges reference _and_ it would not be sorted or minimized.

This above bugs would cause an incomplete .debug_aranges parsing, it would skip manually parsing any compile units for ranges, and would not sort the DWARFDebugAranges in m_cu_aranges_up.

This bug would also cause breakpoints set by file and line to fail to set correctly if a symbol context for an address could not be resolved properly, which the incomplete and unsorted DWARFDebugAranges object that DWARFDebugInfo::GetCompileUnitAranges() returned would cause symbol context lookups resolved by address (breakpoint address) to fail to find any DWARF debug info for a given address.

This patch fixes all of the issues that I found:
- DWARFDebugInfo::GetCompileUnitAranges() no longer returns a "llvm::Expected<DWARFDebugAranges &>", but just returns a "const DWARFDebugAranges &". Why? Because this code contained a fallback that would parse all of the valid DWARFDebugArangeSet objects, and would check which compile units had valid .debug_aranges set entries, and manually build an address ranges table using DWARFUnit::BuildAddressRangeTable(). If we return an error because any DWARFDebugArangeSet has any errors, then we don't do any of this code. Now we parse all DWARFDebugArangeSet objects that have no errors, if any calls to DWARFDebugArangeSet::extract() return errors, we skip that DWARFDebugArangeSet so that we can use the fallback call to DWARFUnit::BuildAddressRangeTable(). Since DWARFDebugInfo::GetCompileUnitAranges() needs to parse what it can from the .debug_aranges and build address ranges tables for any compile units that don't have any .debug_aranges sets, everything now works as expected.
- Fix an issue where a DWARFDebugArangeSet contains multiple terminator entries. The LLVM parser and llvm-dwarfdump properly warn about this because it happens with linux compilers and linkers and was the original cause of the bug I am fixing here. We now correctly warn about this issue if "log enable dwarf info" is enabled, but we continue to parse the DWARFDebugArangeSet correctly so we don't lose data that is contained in the .debug_aranges section.
- DWARFDebugAranges::extract() no longer returns a llvm::Error because we need to be able to parse all of the valid DWARFDebugArangeSet objects. It also will correctly skip a DWARFDebugArangeSet object that has errors in the middle of the stream by setting the start offsets of each DWARFDebugArangeSet to be calculated by the previous DWARFDebugArangeSet::extract() calculated offset that uses the header which contains the length of the DWARFDebugArangeSet. This means if do we run into real errors while parsing individual DWARFDebugArangeSet objects, we can continue to parse the rest of the validly encoded DWARFDebugArangeSet objects in the .debug_aranges section. This will allow LLDB to parse DWARF that contains a possibly newer .debug_aranges set format than LLDB currently supports because we will error out for the parsing of the DWARFDebugArangeSet, but be able to skip to the next DWARFDebugArangeSet object using the "DWARFDebugArangeSet.m_header.length" field to calculate the next starting offset.

Tests were added to cover all new functionality.

Differential Revision: https://reviews.llvm.org/D99401
2021-03-29 15:34:36 -07:00
LLVM GN Syncbot b75018e305 [gn build] Port 5178ffc7cf 2021-03-29 22:12:00 +00:00
Gulfem Savrun Yeniceri 5178ffc7cf [Passes] Add relative lookup table converter pass
Lookup tables generate non PIC-friendly code, which requires dynamic relocation as described in:
https://bugs.llvm.org/show_bug.cgi?id=45244

This patch adds a new pass that converts lookup tables to relative lookup tables to make them PIC-friendly.

Differential Revision: https://reviews.llvm.org/D94355
2021-03-29 21:53:32 +00:00
Florian Hahn 482283042f
[AArch64] Remove custom zext/sext legalization code.
Currently performExtendCombine assumes that the src-element bitwidth * 2
is a valid MVT. But this is not the case for i1 and it causes a crash on
the v64i1 test cases added in this patch.

It turns out that this code appears to not be needed; the same patterns are
handled by other code and we end up with the same results, even without the
custom lowering. I also added additional test cases in a50037aaa6.

Let's just remove the unneeded code.

Reviewed By: dmgreen

Differential Revision: https://reviews.llvm.org/D99437
2021-03-29 22:22:05 +01:00
Jonas Devlieghere 047cbfe2bb [lldb] Print stack trace when lldb-vscode crashes
Print LLVM's pretty stack trace when lldb-vscode crashes. Also removes
the unnecessary call to PrintStackTraceOnErrorSignal in lldb-server as
it's already part of InitLLVM.

Differential revision: https://reviews.llvm.org/D99535
2021-03-29 14:20:59 -07:00
Nikita Popov 7669455df4 [X86][FastISel] Fix with.overflow eflags clobber (PR49587)
If the successor block has a phi node, then additional moves may
be inserted into predecessors, which may clobber eflags. Don't try
to fold the with.overflow result into the branch in that case.

This is done by explicitly checking for any phis in successor
blocks, not sure if there's some more principled way to address
this. Other fused compare and branch patterns avoid the issue by
emitting the comparison when handling the branch, so that no
instructions may be inserted in between. In this case, the
with.overflow call is emitted separately (and I don't think this
is avoidable, as it will generally have at least two users).

Fixes https://bugs.llvm.org/show_bug.cgi?id=49587.

Differential Revision: https://reviews.llvm.org/D98600
2021-03-29 23:08:47 +02:00
Fanbo Meng bd8dd580ff [NFC] clang-formatting zos-alignment.c
Reviewed By: abhina.sreeskantharajan

Differential Revision: https://reviews.llvm.org/D99514
2021-03-29 16:48:10 -04:00
Fangrui Song 1daa48f005 [lsan] realloc: don't deallocate if requested size is too large
This is the behavior required by the standards.

Differential Revision: https://reviews.llvm.org/D99480
2021-03-29 13:35:10 -07:00
Petr Hosek 188592ff08 Revert "[CMake] Use write_basic_package_version_file for LLVM"
This reverts commit 3001d080c8 which
seems to have introduced a race condition that's failing the build
in some cases.
2021-03-29 13:07:39 -07:00
MaheshRavishankar c4d5b95617 Fix broken build for commit 9b0517035f
Differential Revision: https://reviews.llvm.org/D99533
2021-03-29 12:48:45 -07:00
Nico Weber f53dc06ed3 fix comment typo to cycle bots 2021-03-29 15:47:16 -04:00
Stanislav Mekhanoshin 619b88849e [AMDGPU] Fix "Sequence" spelling. NFC. 2021-03-29 12:11:36 -07:00
Samuel 24339056c8 [llvm-reduce] Remove dso_local when possible
Add a new delta pass to llvm-reduce that removes dso_local when possible

Reviewed By: aeubanks

Differential Revision: https://reviews.llvm.org/D98673
2021-03-29 12:00:10 -07:00
Petr Hosek bc4d3ca7bd [libcxx] Use integer division
In Python 3, math.floor returns int when both arguments are ints.
In Python 2, math.floor returns float. This leads to a failure
because the result of math.floor is used as an array index. While
Python 2 is on its way out, it's still used in some places so use
an integer division instead.

Differential Revision: https://reviews.llvm.org/D99520
2021-03-29 11:59:44 -07:00
Joe Nash 45fd7c02af Revert "[AMDGPU] Mark additional VOP3 as commutable"
This reverts commit d35d8da7d6.
2021-03-29 14:48:11 -04:00
Nico Weber 221388f451 fix comment typo to cycle bots 2021-03-29 14:50:17 -04:00
Fangrui Song 59e422c90b [lsan][test] Add malloc(0) and realloc(p, 0) tests 2021-03-29 11:41:07 -07:00
MaheshRavishankar 9b0517035f [mlir] Enhance InferShapedTypeOpInterface and move LinalgOps to use them.
A new `InterfaceMethod` is added to `InferShapedTypeOpInterface` that
allows an operation to return the `Value`s for each dim of its
results. It is intended for the case where the `Value` returned for
each dim is computed using the operands and operation attributes. This
interface method is for cases where the result dim of an operation can
be computed independently, and it avoids the need to aggregate all
dims of a result into a single shape value. This also implies that
this is not suitable for cases where the result type is unranked (for
which the existing interface methods is to be used).

Also added is a canonicalization pattern that uses this interface and
resolves the shapes of the output in terms of the shapes of the
inputs. Moving Linalg ops to use this interface, so that many
canonicalization patterns implemented for individual linalg ops to
achieve the same result can be removed in favor of the added
canonicalization pattern.

Differential Revision: https://reviews.llvm.org/D97887
2021-03-29 11:39:48 -07:00
Nico Weber 742f663705 fix comment typo to cycle bots 2021-03-29 14:35:57 -04:00
Stella Laurenzo 4ca39dad52 NFC: Update MLIR python bindings docs to install deps via requirements.txt.
* Also adds some verbiage about upgrading `pip` itself, since this is a
  common source of issues.

Differential Revision: https://reviews.llvm.org/D99522
2021-03-29 18:32:51 +00:00
Joe Nash d35d8da7d6 [AMDGPU] Mark additional VOP3 as commutable
Note, only src0 and src1 will be commuted if the isCommutable flag
is set. This patch does not change that, it just makes it possible
to commute src0 and src1 of more instructions.

Reviewed By: foad, rampitec

Differential Revision: https://reviews.llvm.org/D99376

Change-Id: I61e20490962d95ea429beb355c55f55c024dafdc
2021-03-29 14:22:20 -04:00
Jez Ng a43f588e01 [lld-macho] Implement -segprot
Addresses llvm.org/PR49405.

Reviewed By: #lld-macho, oontvoo

Differential Revision: https://reviews.llvm.org/D99389
2021-03-29 14:08:12 -04:00
Florian Hahn a50037aaa6
[AArch64] Add a few more vector extension tests. 2021-03-29 18:56:00 +01:00