[InstCombine] Preserve IR flags when reordering icmp/fcmp/cast through a shuffle (#208627)
InstCombine's `evaluateInDifferentElementOrder` pushes a lane-reordering
`shufflevector` *through* the instruction that produced its input,
rebuilding that instruction on the reordered operands via the `buildNew`
helper — a `switch` with one case per opcode. The binary-operator case
carefully re-applies the original's poison-generating flags
(`nuw`/`nsw`, `exact`, FMF), and the `GetElementPtr` case passes through
its `getNoWrapFlags()`.
The `ICmp`, `FCmp`, and cast cases are the odd ones out. Each is a terse
`return Builder.CreateICmp/CreateFCmp/CreateCast(...)` that copies only
the predicate/opcode, returning the rebuilt instruction with default
flags. As a result a reordered `icmp samesign`, `fcmp nnan ninf`, `zext
nneg`, or `trunc nuw`/`nsw` silently loses its flag, even though the
flag held on the original.
Route each rebuilt instruction through `copyIRFlags(I)`, bringing these
cases in line with the binary-op and GEP cases. `copyIRFlags` transfers
[17 lines not shown]
[flang][OpenMP] Lower target in_reduction
Enable host lowering for target in_reduction in Flang and MLIR OpenMP
translation.
Model target in_reduction through the matching map entry, force
address-preserving implicit mapping for Flang in_reduction list items, and emit
the host-side task-reduction lookup with __kmpc_task_reduction_get_th_data. The
runtime entry point takes and returns a generic, default-address-space pointer,
so normalize a non-default-address-space captured pointer to the generic address
space before the call and cast the returned private pointer back to the map
block argument's address space, mirroring the in_reduction handling on
omp.taskloop. On the target device, in_reduction is handled as a regular
map(tofrom) variable. The byref modifier, two-argument initializers, cleanup
regions, and the remaining Flang COMMON/EQUIVALENCE/privatized-variable cases
continue to be diagnosed.
Add Flang lowering, MLIR verifier/translation, and LLVM IR tests for the
supported host path, including a non-default-address-space case, and the
remaining unsupported cases.
[Clang] Adjust NTTP depths in IsAtLeastAsConstrained (#209445)
The default transform for NTTP, which is no-op, doesn't help if we need
to adjust their depths when comparing constraints.
Fixes https://github.com/llvm/llvm-project/issues/182671
18214 rpc headers missed in 5066
Reviewed by: Jason King <jason.brian.king+illumos at gmail.com>
Reviewed by: Toomas Soome <tsoome at me.com>
Reviewed by: Robert Mustacchi <rm at fingolfin.org>
AMDGPU/GlobalISel: Handle G_BITCAST for 16 bit extendedLLTs
Handle bitcast between i16 and f16/bf16.
For true16 this was already legal, make it legal in regbanklegalize as well.
For non-true16 widen it using G_ANYEXT to i32 and G_TRUNC to dst.
The "i32 G_ANYEXT f16/bf16" and "f16/bf16 G_TRUNC i32" are already legal,
for example these are generated by common CallLowering argument lowering.
[ASan][AIX] Intercept __linux_vec_malloc/__linux_vec_calloc/__linux_realloc (#209359)
On AIX PASE, when `__VEC__` and `_ALL_SOURCE` are defined, the XL
compiler frontend lowers calls to vec_malloc/vec_calloc/realloc to
internal symbols named `__linux_vec_malloc`, `__linux_vec_calloc`, and
`__linux_realloc` instead of the standard
`vec_malloc`/`vec_calloc`/`realloc` names. These symbols were not
intercepted, so allocations made through them bypassed ASan entirely, no
redzone poisoning, no use-after-free or overflow detection.
This adds interceptors for `__linux_vec_malloc`, `__linux_vec_calloc`,
and `__linux_realloc`, following the same pattern as the existing
`vec_malloc`/`vec_calloc` interceptors (#175584): `__linux_vec_malloc`
and `__linux_vec_calloc` route through
`asan_vec_malloc`/`asan_vec_calloc` (16-byte aligned), and
`__linux_realloc` routes through the existing `asan_realloc`.
---------
Co-authored-by: Midhunesh <midhuensh.p at ibm.com>
[SLP]Do not blacklist ordered-reduction operands on failed root attempt
An ordered reduction pulls its leaf operands into ReductionOps via the
fallback in matchAssociativeReduction. When such a reduction fails to
vectorize, marking every reduction op as analyzed also blocks those leaves,
which may still be valid reduction roots on their own.
Fixes https://github.com/llvm/llvm-project/pull/185320#issuecomment-4925949343
Reviewers: hiraditya, bababuck, RKSimon
Pull Request: https://github.com/llvm/llvm-project/pull/208511
AMDGPU: Migrate CodeGen tests to amdgpu subarch triple (27)
Mechanically migrate the command-line target spelling on llc/opt RUN lines in
llvm/test/CodeGen/AMDGPU from -mtriple=amdgcn ... -mcpu=<gfx> to the folded
subarch triple form (e.g. -mtriple=amdgpu9.00-amd-amdhsa), dropping the
redundant -mcpu.
Co-Authored-By: Claude <noreply at anthropic.com> (Claude-Opus-4.8)
AMDGPU: Migrate CodeGen tests to amdgpu subarch triple (28)
Mechanically migrate the command-line target spelling on llc/opt RUN lines in
llvm/test/CodeGen/AMDGPU from -mtriple=amdgcn ... -mcpu=<gfx> to the folded
subarch triple form (e.g. -mtriple=amdgpu9.00-amd-amdhsa), dropping the
redundant -mcpu.
Co-Authored-By: Claude <noreply at anthropic.com> (Claude-Opus-4.8)
AMDGPU: Migrate CodeGen tests to amdgpu subarch triple (26)
Mechanically migrate the command-line target spelling on llc/opt RUN lines in
llvm/test/CodeGen/AMDGPU from -mtriple=amdgcn ... -mcpu=<gfx> to the folded
subarch triple form (e.g. -mtriple=amdgpu9.00-amd-amdhsa), dropping the
redundant -mcpu.
Co-Authored-By: Claude <noreply at anthropic.com> (Claude-Opus-4.8)
AMDGPU: Migrate CodeGen tests to amdgpu subarch triple (24)
Mechanically migrate the command-line target spelling on llc/opt RUN lines in
llvm/test/CodeGen/AMDGPU from -mtriple=amdgcn ... -mcpu=<gfx> to the folded
subarch triple form (e.g. -mtriple=amdgpu9.00-amd-amdhsa), dropping the
redundant -mcpu.
Co-Authored-By: Claude <noreply at anthropic.com> (Claude-Opus-4.8)
AMDGPU: Migrate CodeGen tests to amdgpu subarch triple (25)
Mechanically migrate the command-line target spelling on llc/opt RUN lines in
llvm/test/CodeGen/AMDGPU from -mtriple=amdgcn ... -mcpu=<gfx> to the folded
subarch triple form (e.g. -mtriple=amdgpu9.00-amd-amdhsa), dropping the
redundant -mcpu.
Co-Authored-By: Claude <noreply at anthropic.com> (Claude-Opus-4.8)
