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Categories: aosp clang clang.exp clang_fast libcxx libunwind lld lldb lldb.exp llvm openmp polly rev_iter sanitizer
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aosp clang clang.exp clang_fast libcxx libunwind lld lldb lldb.exp llvm openmp polly rev_iter sanitizer
339750 mkazantsev
[NFC][LICM] Make hoist method void

Method hoist always returns true. This patch makes it void.

Differential Revision: https://reviews.llvm.org/D50696
Reviewed By: hiraditya
339749 ctopper
[X86] Change legacy SSE scalar fp to integer intrinsics to use specific ISD opcodes instead of keeping as intrinsics. Unify SSE and AVX512 isel patterns.

AVX512 added new versions of these intrinsics that take a rounding mode. If the rounding mode is 4 the new intrinsics are equivalent to the old intrinsics.

The AVX512 intrinsics were being lowered to ISD opcodes, but the legacy SSE intrinsics were left as intrinsics. This resulted in the AVX512 instructions needing separate patterns for the ISD opcodes and the legacy SSE intrinsics.

Now we convert SSE intrinsics and AVX512 intrinsics with rounding mode 4 to the same ISD opcode so we can share the isel patterns.
339748 chandlerc
[SDAG] Update the AVR backend for the SelectionDAG API changes in
r339740, fixing the build for this target.
339747 rsmith
Silence "unused variable" warning.
339746 eugenis
[hwasan] Add a basic API.

Summary:
Add user tag manipulation functions:
  __hwasan_tag_memory
  __hwasan_tag_pointer
  __hwasan_print_shadow (very simple and ugly, for now)

Reviewers: vitalybuka, kcc

Subscribers: kubamracek, hiraditya, llvm-commits

Differential Revision: https://reviews.llvm.org/D50746
339745 dergachev
[analyzer] Add support for constructors of arguments.

Once CFG-side support for argument construction contexts landed in r338436,
the analyzer could make use of them to evaluate argument constructors properly.

When evaluated as calls, constructors of arguments now use the variable region
of the parameter as their target. The corresponding stack frame does not yet
exist when the parameter is constructed, and this stack frame is created
eagerly.

Construction of functions whose body is unavailable and of virtual functions
is not yet supported. Part of the reason is the analyzer doesn't consistently
use canonical declarations o identify the function in these cases, and every
re-declaration or potential override comes with its own set of parameter
declarations. Also it is less important because if the function is not
inlined, there's usually no benefit in inlining the argument constructor.

Differential Revision: https://reviews.llvm.org/D49443
339744 dschuff
[WebAssembly] SIMD Splats

Implement and test SIMD splat ops.

Patch by Thomas Lively

Differential Revision: https://reviews.llvm.org/D50741
339743 ldionne
[libcxx] Fix XFAILs for aligned allocation tests on older OSX versions

Summary:
Since r338934, Clang emits an error when aligned allocation functions are
used in conjunction with a system libc++ dylib that does not support those
functions. This causes some tests to fail when testing against older libc++
dylibs. This commit marks those tests as UNSUPPORTED, and also documents the
various reasons for the tests being unsupported.

Reviewers: vsapsai, EricWF

Subscribers: christof, dexonsmith, cfe-commits, mclow.lists, EricWF

Differential Revision: https://reviews.llvm.org/D50341
339742 ldionne
[libc++] Disable failing C11 feature tests for <cfloat> and <float.h>

Summary:
Those tests are breaking the test bots. A Bugzilla has been filed to
make sure those tests are re-enabled: https://bugs.llvm.org/show_bug.cgi?id=38572

Reviewers: mclow.lists, EricWF

Subscribers: krytarowski, christof, dexonsmith, cfe-commits

Differential Revision: https://reviews.llvm.org/D50748
339741 ldionne
[libc++] Detect C11 features on non-Clang compilers

Summary:
The macros were inside `#if defined(_LIBCPP_COMPILER_CLANG)`, which means
we would never detect C11 features on non-Clang compilers. According to
Marshall Clow, this is not the intended behavior.

Reviewers: mclow.lists, EricWF

Subscribers: krytarowski, christof, dexonsmith, cfe-commits

Differential Revision: https://reviews.llvm.org/D50748
339740 chandlerc
[SDAG] Remove the reliance on MI's allocation strategy for
`MachineMemOperand` pointers attached to `MachineSDNodes` and instead
have the `SelectionDAG` fully manage the memory for this array.

Prior to this change, the memory management was deeply confusing here --
The way the MI was built relied on the `SelectionDAG` allocating memory
for these arrays of pointers using the `MachineFunction`'s allocator so
that the raw pointer to the array could be blindly copied into an
eventual `MachineInstr`. This creates a hard coupling between how
`MachineInstr`s allocate their array of `MachineMemOperand` pointers and
how the `MachineSDNode` does.

This change is motivated in large part by a change I am making to how
`MachineFunction` allocates these pointers, but it seems like a layering
improvement as well.

This would run the risk of increasing allocations overall, but I've
implemented an optimization that should avoid that by storing a single
`MachineMemOperand` pointer directly instead of allocating anything.
T...
339739 arphaman
[clangd] update the new test to check for diagnostic's category as well
339738 arphaman
[clangd] add an extension field to LSP to transfer the diagnostic's category

This patch adds a 'category' extension field to the LSP diagnostic that's sent
by Clangd. This extension is always on by default.

Differential Revision: https://reviews.llvm.org/D50571
339737 arphaman
[clangd] add missing test from r339454

I forgot to checkin the test for the fixits into SVN.
339736 aheejin
[WebAssembly] Delete a specific push number from test expectations

Summary:
This shouldn't have been a specific number but rather a regex. This was
a part of rL339474 which got reverted.

Reviewers: aardappel

Subscribers: dschuff, sbc100, jgravelle-google, sunfish, llvm-commits

Differential Revision: https://reviews.llvm.org/D50728
339735 mcinally
[FPEnv] Scalarize StrictFP vector operations

Add a helper function to scalarize constrained FP operations as needed.

Differential Revision: https://reviews.llvm.org/D50720

339734 efriedma
[ARM] Make PerformSHLSimplify add nodes to the DAG worklist correctly.

Intentionally excluding nodes from the DAGCombine worklist is likely to
lead to weird optimizations and infinite loops, so it's generally a bad
idea.

To avoid the infinite loops, fix DAGCombine to use the
isDesirableToCommuteWithShift target hook before performing the
transforms in question, and implement the target hook in the ARM backend
disable the transforms in question.

Fixes https://bugs.llvm.org/show_bug.cgi?id=38530 . (I don't have a
reduced testcase for that bug. But we should have sufficient test
coverage for PerformSHLSimplify given that we're not playing weird
tricks with the worklist. I can try to bugpoint it if necessary,
though.)

Differential Revision: https://reviews.llvm.org/D50667

339733 morehouse
[SanitizerCoverage] Add associated metadata to PC guards.

Summary:
Without this metadata LLD strips unused PC table entries
but won't strip unused guards.  This metadata also seems
to influence the linker to change the ordering in the PC
guard section to match that of the PC table section.

The libFuzzer runtime library depends on the ordering
of the PC table and PC guard sections being the same.  This
is not generally guaranteed, so we may need to redesign
PC tables/guards/counters in the future.

Reviewers: eugenis

Reviewed By: eugenis

Subscribers: kcc, hiraditya, llvm-commits

Differential Revision: https://reviews.llvm.org/D50483
339731 steveire
Remove obsolete comment

This related to the code as first checked in in r266292 ([ASTImporter]
Implement some expression-related AST node import., 2016-04-14).
339730 steveire
Fix Stmt::ignoreImplicit

Summary:
A CXXBindTemporaryExpr can appear inside an ImplicitCastExpr, and was
not ignored previously.

Fixes the case reported in PR37327.

Reviewers: rsmith, dblaikie, klimek

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D50666
339729 steveire
Remove vestiges of configure buildsystem

Subscribers: mgorny, llvm-commits

Differential Revision: https://reviews.llvm.org/D50528
339728 rnk
Fix lit fatal errors about requiring a USE_Z3_SOLVER param
339727 dergachev