| Commit message (Collapse) | Author | Age | Files | Lines |
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While ASan and MSan passes were already ported to new PM, the kernel
variants weren't setup in the pipeline which makes the KASan and KMSan
tests in Clang fail.
Differential Revision: https://reviews.llvm.org/D61664
llvm-svn: 360313
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Summary:
A COFF stub indirects the reference to a symbol through memory. A
.refptr.$sym global variable pointer is created to refer to $sym.
Typically mingw uses these for external global variable declarations,
but we can use them for weak function declarations as well.
Updates the dso_local classification to add a special case for
extern_weak symbols on COFF in both clang and LLVM.
Fixes PR37598
Reviewers: smeenai, mstorsjo
Subscribers: hiraditya, cfe-commits, llvm-commits
Tags: #clang, #llvm
Differential Revision: https://reviews.llvm.org/D61615
llvm-svn: 360207
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attribute declaration"
Updated with fix for read of uninitialized memory.
llvm-svn: 360109
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This matches the behavior of the old pass manager. There are some
targets that don't have target machine at all (e.g. le32, spir) which
whose tests would never run with new pass manager. Similarly, we would
need to disable tests for targets that are disabled.
Differential Revision: https://reviews.llvm.org/D58374
llvm-svn: 360100
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In MinGW, setjmp isn't expanded as a builtin in the compiler (like it
is for MSVC), but manually hooked up as calls to the right underlying
functions in headers. Using the actual CRT's real setjmp/longjmp
functions requires this intrinsic. (Currently this is worked around by
using MinGW specific reimplementations of setjmp/longjmp on aarch64.)
Differential Revision: https://reviews.llvm.org/D61592
llvm-svn: 360082
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Lake
Summary:
1. Enable infrastructure of AVX512_BF16, which is supported for BFLOAT16 in Cooper Lake;
2. Enable intrinsics for VCVTNE2PS2BF16, VCVTNEPS2BF16 and DPBF16PS instructions, which are Vector Neural Network Instructions supporting BFLOAT16 inputs and conversion instructions from IEEE single precision.
For more details about BF16 intrinsic, please refer to the latest ISE document: https://software.intel.com/en-us/download/intel-architecture-instruction-set-extensions-programming-reference
Patch by LiuTianle
Reviewers: craig.topper, smaslov, LuoYuanke, wxiao3, annita.zhang, spatel, RKSimon
Reviewed By: craig.topper
Subscribers: mgorny, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D60552
llvm-svn: 360018
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new expression.
This was voted into C++20 as a defect report resolution, so we
retroactively apply it to all prior language modes (though it can never
actually be used before C++11 mode).
llvm-svn: 360006
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Summary:
Related llvm patch: D60348.
Patch co-authored by Sanjin Sijaric.
Reviewers: rnk, efriedma, TomTan, ssijaric, ostannard
Reviewed By: efriedma
Subscribers: dmajor, richard.townsend.arm, ostannard, javed.absar, kristof.beyls, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D60349
llvm-svn: 359932
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declaration"
This reverts commit fc40cbd9d8c63e65eed3590ba925321afe782e1d.
llvm-svn: 359859
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If an address_space attribute is defined in a macro, print the macro instead
when diagnosing a warning or error for incompatible pointers with different
address_spaces.
We allow this for all attributes (not just address_space), and for multiple
attributes declared in the same macro.
Differential Revision: https://reviews.llvm.org/D51329
llvm-svn: 359826
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llvm-svn: 359823
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Summary:
Fixes PR41677
Consider:
template <typename LHS, typename RHS> constexpr bool is_same_v = false;
template <typename T> constexpr bool is_same_v<T, T> = true;
template constexpr bool is_same_v<int, int>;
Before this change, when emitting debug info for the
`is_same_v<int, int>` global variable, clang would crash because it
would try to use the template parameter list from the partial
specialization to give parameter names to template arguments. This
doesn't work in general, since a partial specialization can have fewer
arguments than the primary template. Therefore, always use the primary
template. Hypothetically we could try to use the parameter names from
the partial specialization when possible, but it's not clear this really
helps debugging in practice.
Reviewers: JDevlieghere, aprantl, ormris, dblaikie
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D61408
llvm-svn: 359809
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This follows up after b7692bc3e9ad2691fc07261904b88fb15f30696b "[UBSan] Fix
isDerivedFromAtOffset on iOS ARM64" fixed the RTTI comparison in
isDerivedFromAtOffset on just one platform and then
a25a2c7c9a7e1e328a5bd8274d2d86b1fadc4692 "Always compare C++ typeinfo (based on
libstdc++ implementation)" extended that fix to more platforms.
But there is another RTTI comparison for -fsanitize=function generated in
clang's CodeGenFunction::EmitCall as just a pointer comparison. For
SANITIZER_NON_UNIQUE_TYPEINFO platforms this needs to be extended to also do
string comparison. For that, __ubsan_handle_function_type_mismatch[_abort]
takes the two std::type_info pointers as additional parameters now, checks them
internally for potential equivalence, and returns without reporting failure if
they turn out to be equivalent after all. (NORETURN needed to be dropped from
the _abort variant for that.) Also these functions depend on ABI-specific RTTI
now, so needed to be moved from plain UBSAN_SOURCES (ubsan_handlers.h/cc) to
UBSAN_CXXABI_SOURCES (ubsan_handlers_cxx.h/cc), but as -fsanitize=function is
only supported in C++ mode that's not a problem.
Differential Revision: https://reviews.llvm.org/D60760
llvm-svn: 359759
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Summary:
C guarantees that brace-init with fewer initializers than members in the
aggregate will initialize the rest of the aggregate as-if it were static
initialization. In turn static initialization guarantees that padding is
initialized to zero bits.
Quoth the Standard:
C17 6.7.9 Initialization ❡21
If there are fewer initializers in a brace-enclosed list than there are elements
or members of an aggregate, or fewer characters in a string literal used to
initialize an array of known size than there are elements in the array, the
remainder of the aggregate shall be initialized implicitly the same as objects
that have static storage duration.
C17 6.7.9 Initialization ❡10
If an object that has automatic storage duration is not initialized explicitly,
its value is indeterminate. If an object that has static or thread storage
duration is not initialized explicitly, then:
* if it has pointer type, it is initialized to a null pointer;
* if it has arithmetic type, it is initialized to (positive or unsigned) zero;
* if it is an aggregate, every member is initialized (recursively) according to
these rules, and any padding is initialized to zero bits;
* if it is a union, the first named member is initialized (recursively)
according to these rules, and any padding is initialized to zero bits;
<rdar://problem/50188861>
Reviewers: glider, pcc, kcc, rjmccall, erik.pilkington
Subscribers: jkorous, dexonsmith, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D61280
llvm-svn: 359628
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These extra layers aren't necessary.
llvm-svn: 359623
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Summary: Corresponds to D61030.
Subscribers: jlebar, cfe-commits, llvm-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D61142
llvm-svn: 359616
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Reverts the revert of r359251, this time with fixed tests.
Differential Revision: https://reviews.llvm.org/D55229
llvm-svn: 359513
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us emitting the operand of __builtin_constant_p if it has side-effects.
Original commit message:
Fix interactions between __builtin_constant_p and constexpr to match
current trunk GCC.
GCC permits information from outside the operand of
__builtin_constant_p (but in the same constant evaluation context) to be
used within that operand; clang now does so too. A few other minor
deviations from GCC's behavior showed up in my testing and are also
fixed (matching GCC):
* Clang now supports nullptr_t as the argument type for
__builtin_constant_p
* Clang now returns true from __builtin_constant_p if called with a
null pointer
* Clang now returns true from __builtin_constant_p if called with an
integer cast to pointer type
llvm-svn: 359367
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This provides intrinsics support for Memory Tagging Extension (MTE),
which was introduced with the Armv8.5-a architecture.
These intrinsics are available when __ARM_FEATURE_MEMORY_TAGGING is defined.
Each intrinsic is described in detail in the ACLE Q1 2019 documentation:
https://developer.arm.com/docs/101028/latest
Reviewed By: Tim Nortover, David Spickett
Differential Revision: https://reviews.llvm.org/D60485
llvm-svn: 359348
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This makes sure that code built with headers for a statically linked
libc++ also works when linking to the DLL version, when the DLL
hasn't been built with --export-all-symbols.
This matches what GCC for MinGW does for this test case.
Differential Revision: https://reviews.llvm.org/D61177
llvm-svn: 359345
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Summary:
- `__constant__` variables should not be `hidden` as the linker may turn
them into `LOCAL` symbols.
Reviewers: yaxunl
Subscribers: jvesely, nhaehnle, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D61194
llvm-svn: 359344
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This reverts r359250 (git commit 4730604bd3a361c68b92b18bf73a5daa15afe9f4)
The newly added test should use -cc1 and -emit-llvm and there are other
test failures that need fixing.
llvm-svn: 359251
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Statically link certain runtime library functions for MSVC/GNU Windows
environments. This is consistent with MSVC behavior.
Fixes LNK4286 and LNK4217 warnings from link.exe when linking the static
CRT:
LINK : warning LNK4286: symbol '__std_terminate' defined in 'libvcruntime.lib(ehhelpers.obj)' is imported by 'ASAN_NOINST_TEST_OBJECTS.asan_noinst_test.cc.x86_64-calls.o'
LINK : warning LNK4286: symbol '__std_terminate' defined in 'libvcruntime.lib(ehhelpers.obj)' is imported by 'ASAN_NOINST_TEST_OBJECTS.asan_test_main.cc.x86_64-calls.o'
LINK : warning LNK4217: symbol '_CxxThrowException' defined in 'libvcruntime.lib(throw.obj)' is imported by 'ASAN_NOINST_TEST_OBJECTS.gtest-all.cc.x86_64-calls.o' in function '"int `public: static class UnitTest::GetInstance * __cdecl testing::UnitTest::GetInstance(void)'::`1'::dtor$5" (?dtor$5@?0??GetInstance@UnitTest@testing@@SAPEAV12@XZ@4HA)'
Reviewers: mstorsjo, efriedma, TomTan, compnerd, smeenai, mgrang
Subscribers: abdulras, theraven, smeenai, pcc, mehdi_amini, javed.absar, inglorion, kristof.beyls, dexonsmith, cfe-commits
Differential Revision: https://reviews.llvm.org/D55229
llvm-svn: 359250
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These builtins provide access to the new integer and
sub-integer variants of MMA (matrix multiply-accumulate) instructions
provided by CUDA-10.x on sm_75 (AKA Turing) GPUs.
Also added a feature for PTX 6.4. While Clang/LLVM does not generate
any PTX instructions that need it, we still need to pass it through to
ptxas in order to be able to compile code that uses the new 'mma'
instruction as inline assembly (e.g used by NVIDIA's CUTLASS library
https://github.com/NVIDIA/cutlass/blob/master/cutlass/arch/mma.h#L101)
Differential Revision: https://reviews.llvm.org/D60279
llvm-svn: 359248
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(vtable-based emission when triggered by a strong vtable, with -fno-standalone-debug)
(this would regress size without a corresponding LLVM change that avoids
putting other user defined types inside type units when they aren't in
their own type units - instead emitting declarations inside the type
unit and a definition in the primary CU)
Reviewers: aprantl
Differential Revision: https://reviews.llvm.org/D61079
llvm-svn: 359235
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pass manager
Currently InstrProf lowering is not enabled for Clang PGO instrumentation in
the new pass manager. The following command
"-fprofile-instr-generate -fexperimental-new-pass-manager ..." is broken.
This CL enables InstrProf lowering pass for Clang PGO instrumentation in the
new pass manager.
Differential Revision: https://reviews.llvm.org/D61138
llvm-svn: 359215
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as template static data member
llvm-svn: 359212
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Summary:
Add a new variant to GlobalDecl for these so that we can detect them
more easily during debug info emission and handle them appropriately.
Reviewers: rsmith, rjmccall, jyu2
Subscribers: aprantl, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D60930
llvm-svn: 359148
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llvm-svn: 359098
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Summary:
This patch implements `__builtin_is_constant_evaluated` as specifier by [P0595R2](https://wg21.link/p0595r2). It is built on the back of Bill Wendling's work for `__builtin_constant_p()`.
More tests to come, but early feedback is appreciated.
I plan to implement warnings for common mis-usages like those belowe in a following patch:
```
void foo(int x) {
if constexpr (std::is_constant_evaluated())) { // condition is always `true`. Should use plain `if` instead.
foo_constexpr(x);
} else {
foo_runtime(x);
}
}
```
Reviewers: rsmith, MaskRay, bruno, void
Reviewed By: rsmith
Subscribers: dexonsmith, zoecarver, fdeazeve, kristina, cfe-commits
Differential Revision: https://reviews.llvm.org/D55500
llvm-svn: 359067
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AMDGPU currently relies on global properties being set before
setTargetProperties is called. Existing targets like MIPS which rely on
setTargetProperties do not rely on the current behavior, so this patch
moves the call later in SetFunctionAttributes.
Differential Revision: https://reviews.llvm.org/D60967
llvm-svn: 359039
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buildbot failure.
This reverts commit d07d6d617713bececf57f3547434dd52f0f13f9e and
c774f687b6880484a126ed3e3d737e74c926f0ae.
llvm-svn: 359034
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Summary:
The opt level was not being passed down to the ThinLTO backend when
invoked via clang (for distributed ThinLTO).
This exposed an issue where the new PM was asserting if the Thin or
regular LTO backend pipelines were invoked with -O0 (not a new issue,
could be provoked by invoking in-process *LTO backends via linker using
new PM and -O0). Fix this similar to the old PM where -O0 only does the
necessary lowering of type metadata (WPD and LowerTypeTest passes) and
then quits, rather than asserting.
Reviewers: xur
Subscribers: mehdi_amini, inglorion, eraman, hiraditya, steven_wu, dexonsmith, cfe-commits, llvm-commits, pcc
Tags: #clang, #llvm
Differential Revision: https://reviews.llvm.org/D61022
llvm-svn: 359025
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Summary:
This emits labels around heapallocsite calls and S_HEAPALLOCSITE debug
info in codeview. Currently only changes FastISel, so emitting labels still
needs to be implemented in SelectionDAG.
Reviewers: hans, rnk
Subscribers: aprantl, hiraditya, cfe-commits, llvm-commits
Tags: #clang, #llvm
Differential Revision: https://reviews.llvm.org/D60800
llvm-svn: 358783
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runtime.
target [teams distribute] simd costructs do not require full runtime for
the correct execution, we can run them without full runtime.
llvm-svn: 358766
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llvm-svn: 358765
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All target-parallel-based constructs can be run in SPMD mode from now
on. Even if num_threads clauses or if clauses are used, such constructs
can be executed in SPMD mode.
llvm-svn: 358595
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Combined constructs with parallel and if clauses without modifiers may
be executed in SPMD mode since if the condition is true for the target
region, it is also true for parallel region and the threads must be run
in parallel.
llvm-svn: 358503
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Summary:
The name mangling scheme is defined in section 3.5 of the "Vector function application binary interface specification for AArch64" [1].
[1] https://developer.arm.com/products/software-development-tools/hpc/arm-compiler-for-hpc/vector-function-abi
Reviewers: rengolin, ABataev
Reviewed By: ABataev
Subscribers: sdesmalen, javed.absar, kristof.beyls, jdoerfert, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D60583
llvm-svn: 358490
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mode.
After the previous patch with the more correct handling of the number of
threads in parallel regions, the parallel regions with num_threads
clauses can be executed in SPMD mode.
llvm-svn: 358445
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[MS] Add metadata for __declspec(allocator)
Original summary:
Emit !heapallocsite in the metadata for calls to functions marked with
__declspec(allocator). Eventually this will be emitted as S_HEAPALLOCSITE debug
info in codeview.
Differential Revision: https://reviews.llvm.org/D60237
llvm-svn: 358307
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Summary:
Implements the intrinsics define on the ACLE to extract half precision fp scalar elements from float16x4_t and float16x8_t vector types.
a.k.a:
vduph_lane_f16
vduph_laneq_f16
Reviewers: pablooliveira, olista01, LukeGeeson, DavidSpickett
Reviewed By: DavidSpickett
Subscribers: DavidSpickett, javed.absar, kristof.beyls, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D60272
llvm-svn: 358276
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Summary:
alloca isn’t auto-init’d right now because it’s a different path in clang that
all the other stuff we support (it’s a builtin, not an expression).
Interestingly, alloca doesn’t have a type (as opposed to even VLA) so we can
really only initialize it with memset.
<rdar://problem/49794007>
Subscribers: jkorous, dexonsmith, cfe-commits, rjmccall, glider, kees, kcc, pcc
Tags: #clang
Differential Revision: https://reviews.llvm.org/D60548
llvm-svn: 358243
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llvm-svn: 358232
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Summary:
These flags are used when emitting debug info and needed to initialize subprogram and member function attributes (function options) for Codeview. These function options are used to create an accurate compiler type for UDT symbols (class/struct/union) from PDBs.
The Trivial flag was introduced in https://reviews.llvm.org/D45122
It's been pointed out that Trivial and NonTrivial may imply each other and that seems to be the case in the current tests. This change combines them into a single flag -- NonTrivial -- and updates the corresponding unit tests. There is an additional change to llvm to update the flags.
Reviewers: rnk, zturner, dblaikie, probinson, Hui
Reviewed By: dblaikie
Subscribers: aprantl, jdoerfert, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D59347
llvm-svn: 358219
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Fixes rdar://49523079
Differential revision: https://reviews.llvm.org/D60544
llvm-svn: 358201
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At least clang 3.6 warns on the original code:
../tools/clang/lib/CodeGen/CGNonTrivialStruct.cpp:829:34: error: suggest braces around initialization of subobject [-Werror,-Wmissing-braces]
return std::array<Address, 1>({Address(nullptr, CharUnits::Zero())});
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
{ }
../tools/clang/lib/CodeGen/CGNonTrivialStruct.cpp:833:34: error: suggest braces around initialization of subobject [-Werror,-Wmissing-braces]
return std::array<Address, 2>({Address(nullptr, CharUnits::Zero()),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2 errors generated.
llvm-svn: 358152
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of enqueue_kernel builtin function
Summary:
https://reviews.llvm.org/D53809 fixed wrong address space(assert in debug build)
generated for event_ret argument. But exactly the same problem exists for
event_wait_list argument. This patch should fix both.
Reviewers: Anastasia, yaxunl
Reviewed By: Anastasia
Subscribers: kristina, ebevhan, cfe-commits
Differential Revision: https://reviews.llvm.org/D59985
llvm-svn: 358151
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Patch by Tony Allevato!
llvm-svn: 358132
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regions.
Added more complex analysis for number of teams and number of threads in
the target regions, also merged related common code between CGOpenMPRuntime
and CGOpenMPRuntimeNVPTX classes.
llvm-svn: 358126
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