[AtomicExpand] Add bitcasts when expanding load atomic vector
AtomicExpand fails for aligned `load atomic <n x T>` because it
does not find a compatible library call. This change adds appropriate
bitcasts so that the call can be lowered.
commit-id:f430c1af
[SelectionDAG] Split vector types for atomic load
Vector types that aren't widened are split
so that a single ATOMIC_LOAD is issued for the entire vector at once.
This change utilizes the load vectorization infrastructure in
SelectionDAG in order to group the vectors. This enables SelectionDAG
to translate vectors with type bfloat,half.
commit-id:3a045357
[SelectionDAG][X86] Remove unused elements from atomic vector.
After splitting, all elements are created. The two components must
be found by looking at the upper and lower half of EXTRACT_ELEMENT.
This change extends EltsFromConsecutiveLoads
to understand AtomicSDNode so that unused elements can be removed.
commit-id:b83937a8
[SelectionDAG][X86] Remove unused elements from atomic vector.
After splitting, all elements are created. The two components must
be found by looking at the upper and lower half of EXTRACT_ELEMENT.
This change extends EltsFromConsecutiveLoads
to understand AtomicSDNode so that unused elements can be removed.
commit-id:b83937a8
[AtomicExpand] Add bitcasts when expanding load atomic vector
AtomicExpand fails for aligned `load atomic <n x T>` because it
does not find a compatible library call. This change adds appropriate
bitcasts so that the call can be lowered.
commit-id:f430c1af
[SelectionDAG][X86] Widen <2 x T> vector types for atomic load
Vector types of 2 elements must be widened. This change does this
for vector types of atomic load in SelectionDAG
so that it can translate aligned vectors of >1 size. Also,
it also adds Pats to remove an extra MOV.
commit-id:2894ccd1
[X86] Add atomic vector tests for unaligned >1 sizes.
Unaligned atomic vectors with size >1 are lowered to calls.
Adding their tests separately here.
commit-id:a06a5cc6
[X86] Manage atomic load of fp -> int promotion in DAG
When lowering atomic <1 x T> vector types with floats, selection can fail since
this pattern is unsupported. To support this, floats can be casted to
an integer type of the same size.
commit-id:f9d761c5
[SelectionDAG] Split vector types for atomic load
Vector types that aren't widened are split
so that a single ATOMIC_LOAD is issued for the entire vector at once.
This change utilizes the load vectorization infrastructure in
SelectionDAG in order to group the vectors. This enables SelectionDAG
to translate vectors with type bfloat,half.
commit-id:3a045357
IR/Verifier: Allow vector type in atomic load and store
Vector types on atomics are assumed to be invalid by the verifier. However,
this type can be valid if it is lowered by codegen.
commit-id:72529270
[SelectionDAG] Legalize <1 x T> vector types for atomic load
`load atomic <1 x T>` is not valid. This change legalizes
vector types of atomic load via scalarization in SelectionDAG
so that it can, for example, translate from `v1i32` to `i32`.
commit-id:5c36cc8c
AArch64: Clean up relocation error messages.
"<foo> relocation is not supported in ILP32" is more accurate than
what we have now.
Also, remove "LP64 eqv:" annotations because they create a maintenance
burden and are unlikely to be helpful.
Reviewers: kovdan01, MaskRay
Reviewed By: MaskRay
Pull Request: https://github.com/llvm/llvm-project/pull/138625
[RISCV] Add processor definition for SiFive P870 (#137725)
SiFive P870 is a RVA23 compatible high-performance CPU:
https://www.sifive.com/cores/performance-p800
Scheduling model will be added in a follow-up PR.
[llvm][gvn-sink] Don't try to sink inline asm (#138414)
Fixes #138345. Before this patch, gvn-sink would try to sink inline
assembly statements. Other GVN passes avoid them (see
https://github.com/llvm/llvm-project/blob/b4fac94181c4cf17dbb7ecc2ae975712b0e4a6d1/llvm/lib/Transforms/Scalar/GVN.cpp#L2932
Similarly, gvn-sink should skip these instructions, since they are not
safe to move. To do this, we update the early exit in
canReplaceOperandWithVariable, since it should have caught this case.
It's more efficient to also skip numbering in GVNSink if the instruction
is InlineAsm, but that should be infrequent.
The test added is reduced from a failure when compiling Fuchsia with
gvn-sink.
[lldb-dap] Don't error out when the process is in eStateUnloaded (#138601)
DAP::WaitForProcessToStop treats the process in eStateUnloaded as an
error. The process is in this state when it has just been created
(before an attach or launch) or when it's restarted. Neither should be
treated as errors.
The current implementation can trigger this error (and a corresponding
test failure) when we call WaitForProcessToStop after attaching in
asynchronous mode (for example when using ConnectRemote which is always
asynchronous (due to a bug).
[clang] Ensure type aware allocators handle transparent decl contexts
We were testing the immediate DeclContext for found new and delete
operators, which is incorrect if the declarations are contained by
a transparent decl as can be induced with extern or export statements.
