Fixes clang-tidy warning

We try to use X32 for tests on gnux32 triples

We try to use X32 for tests on gnux32 triples

We try to use X32 for tests on gnux32 triples

For 32/64-bit element 256-bit X86ISD::BLENDI shuffle masks, see if each sub-lane only references (plus undefs) a single input - in which case ensure the blend mask component for that lane ONLY references that input.

This helps later subvector extraction/insertion nodes to peek through the blend node for that lane.

Differential Revision: https://reviews.llvm.org/D142810

[X86] lowerShuffleAsLanePermuteAndRepeatedMask - retain the per-lane undef elements and don't just copy the repeated mask

lowerShuffleAsLanePermuteAndRepeatedMask expands a shuffle from shuffle(x,y,mask) to shuffle(shuffle(x,y,lanemask1),shuffle(x,y,lanemask2),repeatedinlanemask)

However, we weren't making use of the fact that elements of the original mask might be undef - instead of fully applying the entire repeatedinlanemask to every lane, we can simplify the mask if we never demanded that element in the original mask.

Yet another improvement addressing regressions from D127115

Differential Revision: https://reviews.llvm.org/D142536

RVV stands for "RISC-V V Extension", which adds 32 vector registers, and seven unprivileged CSRs (vstart, vxsat, vxrm, vcsr, vtype, vl, vlenb) to a base scalar RISC-V ISA.

The base vector extension is intended to provide general support for data-parallel execution within the 32-bit instruction encoding space, with later vector extensions supporting richer functionality for certain domains.

Reviewed By: DavidSpickett, kito-cheng

Differential Revision: https://reviews.llvm.org/D141898

Reviewed By: aykevl, MaskRay

Differential Revision: https://reviews.llvm.org/D141197

This patch fixes the inaccurate decoding of the offset operand of
the conditional branch instructions.

Reviewed By: aykevl

Differential Revision: https://reviews.llvm.org/D140816

If X is nonzero, NextPowerOf2(X - 1) is equivalent to
llvm::bit_ceil(X).  In this patch, std::max guarantees that X is
nonzero.

These two pieces of code were using a switch with a single case and
a default that always returned.

Replace with an if statement that early returns.

Differential Revision: https://reviews.llvm.org/D142596

D137531 had once fixed the issue. However, it caused a crash during compiling
llvm/unittests/IR/PatternMatch.cpp in stage-2. The reason is the predicator
isDerivedFrom does not consider independent types if the derived type is
dependent.

This patch improves D137531 by adding an option to make isDerivedFrom consider
independent types.

Differential Revision: https://reviews.llvm.org/D142437

Index 0 is reserved for anonymous symbols, which can't have the N_EXT bit
set (since N_EXT means non-local scope, and non-local scope requires a name).

Cleanup leftover typed pointer handling.

A test is crashing the compiler unexpectedly when built with MSVC;
disable it with an XFAIL until it can be analyzed further.

f18 current ignores attempts to initialize (with =expr) things
that are not objects, or allows meaningless initializations of
things that have mistakenly been promoted to be objects.
Fix by refusing to promote to objects names that have any
attributes that cannot be applied to objects, and then catch
data initializations of symbols that are not objects.

Differential Revision: https://reviews.llvm.org/D142766

This will allow tablegen to start directly marking intrinsics as
dereferenceable in a useful way. Not sure if callsites should override
or use the max.

This diff extends D123345 by adding support for std::forward_like.

Test plan: ninja check-clang check-clang-tools check-llvm

Differential revision: https://reviews.llvm.org/D142430

Note that:

  std::has_single_bit(X) ? X : llvm::NextPowerOf2(X);

is equivalent to:

  std::bit_ceil(X)

even for input 0.

Fix #60248.

Reviewed By: jhuber6

Differential Revision: https://reviews.llvm.org/D142819

Semantics can catch out-of-range subscript values already when they
appear in DATA statement objects and constant folding of name constant
array indexing; this patch fills the gap by checking known constant
subscript values in other contexts.

Differential Revision: https://reviews.llvm.org/D142764

This reverts commit 024115ab.

I suspect that this may be causing some buildbot bootstrapping failures.
Revert while I investigate.

This enables conversion of OpenMP Target Data, Enter Data and Exit Data from FIR Dialect to LLVM IR Dialect.

Differential Revision: https://reviews.llvm.org/D142629

It takes less code (in C++ and the host assembly) to get rid of the
trailing zeros and compare against {3,5,9} than divide the immediate
by {3,5,9} and check to see if we have a power of 2.

Instead of creating an extra clang-bolt binary and clang++-bolt symlink,
replace the original clang binary with BOLT-optimized one.

This fixes the issue with installing optimized binary as `install-clang`
target now copies the new version.

Reviewed By: phosek

Differential Revision: https://reviews.llvm.org/D139454

A fixed form continuation line should not be the first line of a statement;
emit a warning if it looks like one is so that the programmer can look
for a missing card.

Differential Revision: https://reviews.llvm.org/D142763

A function in a defined operator generic interface will syntactically
have one or two arguments.  If a defined operator includes a specific
function with 0 or more than 2 dummy arguments, there's no way that it
could be invoked by way of the interface.  Emit a warning.

Differential Revision: https://reviews.llvm.org/D142762

Extend the NUW/NSW inference logic add in 72121a20cd and cdeaf5f28c3dc
to all overflowing binary operators.

Reviewed By: nikic

Differential Revision: https://reviews.llvm.org/D142721