auto must be used for the code to parse.

Differential Revision: https://reviews.llvm.org/D89700

Getting the body of a Module is a common need which justifies a
dedicated accessor instead of forcing users to go through the
region->blocks->front unwrapping manually.

Differential Revision: https://reviews.llvm.org/D90287

Spot by Craig Topper.

This patch modifies the Clang AVR toolchain so that it always passes
the '-Tdata=0x800100' to the linker for ATmega328 devices. This matches
AVR-GCC behaviour, and also corresponds to the address of the start of
the data section in data space according to the ATmega328 datasheet.

Without this, clang does not produce a valid ATmega328 binary.

When targeting all non-ATmega328 chips, a warning will be emitted due to
the fact that proper handling for the chips data section address is
not yet implemented.

I've held off adding other microcontrollers for now, mostly because the
AVR toolchain logic is smeared across LLVM core TableGen files, and two Clang
libraries. The 'family detection' logic is also only implemented for
ATmega328 at the moment, for similar reasons.

In the future, I aim to write an RFC to llvm-dev to find a better way
for LLVM to expose target-specific details such as these to compiler
frontends.

Differential Revision: https://reviews.llvm.org/D86629

both deferred_globals.cpp namespace.cpp require lldb in order to run and will
fail if it's not available.

add the required lines to the top of the tests.

Rename __builtin_wasm_q15mulr_saturate_s_i8x16 to
__builtin_wasm_q15mulr_saturate_s_i16x8, fixing the implied lane interpretation
of the result.

Differential Revision: https://reviews.llvm.org/D90294

As proposed in https://github.com/WebAssembly/simd/pull/376. This commit
implements new builtin functions and intrinsics for these instructions, but does
not yet add them to wasm_simd128.h because they have not yet been merged to the
proposal. These are the first instructions with opcodes greater than 0xff, so
this commit updates the MC layer and disassembler to handle that correctly.

Differential Revision: https://reviews.llvm.org/D90253

Use it in the AMDGPU target to eliminate !add(value1, !mul(value2, -1))

Differential Revision: https://reviews.llvm.org/D90107

The MIR parser may infer SSA, so -run-pass=regallocgreedy would hit a
verifier error after multiple vreg defs are added.

Fixes https://github.com/ClangBuiltLinux/linux/issues/1186

If a non-SHF_LINK_ORDER orphan is added first, `firstIsec->flags & SHF_LINK_ORDER`
will be zero and we currently assert when calling `getLinkOrderDep`.

Reviewed By: grimar

Differential Revision: https://reviews.llvm.org/D90200

As discussed on PR26418 rGea84dc95 incorrectly set the knl cpuname to tremont (and missed out the tremont cpuname entirely).

Remove the need to heap allocate a string for each style option lookup while reading or writing options.p

Reviewed By: aaron.ballman

Differential Revision: https://reviews.llvm.org/D90244

This seems to due to a bad merge by rG156e8b37

This test is currently marked as XFAIL on s390x, but it is randomly
passing, causing build bot issues.  Setting as UNSUPPORTED for now.

MSVC was complaining as it couldn't see the Base::ChildIteratorBase default constructor.

Also re-generate the check lines using update_llc_test_checks.py.

This is in preparation for fixing some spurious double spaces in the
disassembly.

Basically, this just improves the dump of the Value stored within a location.

If the defining instruction number is zero, it means it is "live-in".

Before the patch:

ESI --> bb 0 inst 0 loc ESI
After:

ESI --> Value{bb: 0, inst: live-in, loc: ESI}
This is an NFC.

Differential Revision: https://reviews.llvm.org/D90309

[libomptarget][nvptx] Undef, weak shared variables

Shared variables on nvptx, and LDS on amdgcn, are uninitialized at
the start of kernel execution. Therefore create the variables with
undef instead of zeros, motivated in part by the amdgcn back end
rejecting LDS+initializer.

Common is zero initialized, which seems incompatible with shared. Thus
change them to weak, following the direction of
https://reviews.llvm.org/rG7b3eabdcd215

Reviewed By: jdoerfert

Differential Revision: https://reviews.llvm.org/D90248

deferred_globals.cpp: Verify that debug information for a local variable does
not hide a global definition that has the same name

namespace.cpp: Ensure that the debug information for a global variable
includes namespace information.

Differential Revision: https://reviews.llvm.org/D89462

Author:    Nabeel Omer <nabeel.omer@sony.com>

In rG6d656c96 I had to relax the check from

`CONTENT: 21 3c 61 72 63 68 3e 0a 12{{$}}`

to

`CONTENT: 21 3c 61 72 63 68 3e 0a 12`

to fix the FreeBSD bot quickly: http://lab.llvm.org:8011/#/builders/28/builds/547

It turns out that "od" prints a trailing white space on FreeBSD, that is
why EOL mark ({{$}}) can't be used. But we still want to check the output size.

This patch adds a check of output size with "wc -c", similar to how it is done
below in the same test. This restores the original strictness.

<locale.h> is lower level than <__locale>, so that's where we want the
error to live for systems that don't provide localization support.

The explicit call to `std::setlocale(LC_ALL, "C")` isn't required, since
the Standard already says the equivalent of this call is performed on
program startup.

Seems that llvm-ar has a different behavior on MAC and BB fails: http://45.33.8.238/mac/22696/log.txt

This replaces llvm-ar with yaml2obj.

It was added in D89949.

FreeBSD bot fails: http://lab.llvm.org:8011/#/builders/28/builds/547

Added lowering rule from `SinOp` to `__nv_sinf` and `__nv_sin`

Reviewed By: ftynse

Differential Revision: https://reviews.llvm.org/D90147

This patch adds a new reduction pass that tries to remove aliases.
It runs early, as most of those likely can be removed up-front in
practice.

This substantially improves llvm-reduce for IR generated by the swift
compiler, which can generate a lot of aliases which lead to lots of
invalid reductions.

Reviewed By: lebedev.ri

Differential Revision: https://reviews.llvm.org/D90260

Add a few cross-references among TableGen documents.

Differential Revision: https://reviews.llvm.org/D90186

Add cross-references between TableGen documents.

This reverts commit d981c7b7 and
a87d7b3d. Test fails under msan.

The libbogus11.a archive was removed by D90013.
But it is used by another test: llvm-objdump\MachO\disassemble-g-dsym.test

BB failture:
http://lab.llvm.org:8011/#/builders/109/builds/1450

Currently the test uses 14 precompiled binaries. With the functionality
implemented in D89949, it is possible to remove them and use YAMLs instead.

Differential revision: https://reviews.llvm.org/D90013