LLVM requires CMake 3.13.4 so remove code behind checks for an older version.

Reviewed By: phosek

Differential Revision: https://reviews.llvm.org/D87192

LLVM requires CMake 3.13.4 so now we can simplify the code.

Reviewed By: phosek

Differential Revision: https://reviews.llvm.org/D87193

send_patched_file decodes with utf-8.
The default encoder for python 2 is ascii.

So it is necessary to also change send_string to use utf-8.

Differential Revision: https://reviews.llvm.org/D83984

Select the UltraSPARC instruction set with the external assembler on
Linux / FreeBSD / OpenBSD, matches GCC.

* Resolves todos from D87091.
* Also modifies PyConcreteAttribute to follow suite (should be useful for ElementsAttr and friends).
* Adds a test to ensure that the ShapedType base class functions as expected.

Differential Revision: https://reviews.llvm.org/D87208

This patch removes register set definitions and other redundant code from
NativeRegisterContextLinux/RegisterContextPOSIX*_arm. Register sets are now
moved under RegisterInfosPOSIX_arm which now uses RegisterInfoAndSetInterface.
This is similar to what we earlier did for AArch64.

Reviewed By: labath

Differential Revision: https://reviews.llvm.org/D86962

log:

BB  [7, 8): begin {}, end {}, livein {}, liveout {}
BB  [1, 2): begin {}, end {}, livein {}, liveout {}
...

But it is not convenient to know what the basic block is.
So I add the basic block name to it.

Reviewed By: vitalybuka
TestPlan: check-llvm
Differential Revision: https://reviews.llvm.org/D87152

targetHasSVE helper function was added to test for availability of SVE support
by connected platform. We now intend to use this function in other testcases
and I am moving it to a generic location in lldbtest.py to allow usage by
other upcoming testcases.

Reviewed By: labath

Differential Revision: https://reviews.llvm.org/D86872

This is the split part of D86269, which add a new ELF machine flag called EM_CSKY and related relocations.
Some target-specific flags and tests for csky can be added in follow-up patches later.

Differential Revision: https://reviews.llvm.org/D86610

Fixes PR47375, in which an assertion was triggering because
WebAssemblyTargetLowering::isVectorLoadExtDesirable was improperly
assuming the use of simple value types.

Differential Revision: https://reviews.llvm.org/D87110

This patch implements the vec_expandm function prototypes in altivec.h in order
to utilize the vector expand with mask instructions introduced in Power10.

Differential Revision: https://reviews.llvm.org/D82727

`--demangle={True,False}` were accepted but disallowed after llvm-symbolizer's switch to OptTable.
(`--demangle={true,false}` were temporarily supported but they are case sensitive.)

The known bits fall back will never be able to infer a non-null
value here, so don't bother.

Based on the PyType and PyConcreteType classes, this patch implements the bindings of Shaped Type, Tensor Type and MemRef Type subclasses.
The Tensor Type and MemRef Type are bound as ranked and unranked separately.
This patch adds the ***GetChecked C API to make sure the python side can get a valid type or a nullptr.
Shaped type is not a kind of standard types, it is the base class for vectors, memrefs and tensors, this patch binds the PyShapedType class as the base class of Vector Type, Tensor Type and MemRef Type subclasses.

Reviewed By: stellaraccident

Differential Revision: https://reviews.llvm.org/D87091

They are for more powerful than the current documentation implies, this
adds

* adopting a lock,
* deferring a lock,
* manually unlocking the scoped capability,
* relocking the scoped capability, possibly in a different mode,
* try-relocking the scoped capability.

Also there is now a generic explanation how attributes on scoped
capabilities work. There has been confusion in the past about how to
annotate them (see e.g. PR33504), hopefully this clears things up.

Reviewed By: aaron.ballman

Differential Revision: https://reviews.llvm.org/D87066

The old locking attributes had a generic release, but as it turns out
the capability-based attributes have it as well.

Reviewed By: aaron.ballman

Differential Revision: https://reviews.llvm.org/D87064

This reduces duplication and avoids emitting ice cold code into every
instance of grow().

[X86][AVX] lowerShuffleWithPERMV - adjust binary shuffle masks to account for widening on non-VLX targets

rGabd33bf5 enabled us to pad 128/256-bit shuffles to 512-bit on non-VLX targets, but wasn't updating binary shuffles to account for the new vector width.

Swapping 64 bytes to make a move isn't cheap.

This addresses the remaining issue from D87188. Due to a series of
folds, we may end up with abs-of-abs represented as
x == 0 ? -abs(x) : abs(x). Rather than recognizing this as a special
abs pattern and doing an abs-of-abs fold on it afterwards,
I'm directly folding this to one of the select operands in InstSimplify.

The general pattern falls into the "select with operand replaced"
category, but that fold is not powerful enough to recognize that
both hands of the select are the same for value zero.

Differential Revision: https://reviews.llvm.org/D87197

There are no know bugs related to this, still it may fix some latent ones.
Main concerns with preexisting code:
1. Inconsistent atomic/non-atomic access to the same field.
2. Assumption that bitfield chunk_state is always the first byte without
    even taking into account endianness.

Reviewed By: morehouse

Differential Revision: https://reviews.llvm.org/D86917

Crashes on PPC

This reverts commit eb87e1db.

The post-index matcher, before it queries the target legality, walks uses
of some instructions which in pathological cases can be massive. Since
no targets actually support indexed loads yet, disable this to stop wasting
compile time on something which is going to fail anyway.

There are no know bugs related to this, still it may fix some latent ones.
Main concerns with preexisting code:
1. Inconsistent atomic/non-atomic access to the same field.
2. Assumption that bitfield chunk_state is always the first byte without
    even taking into account endianness.

Reviewed By: morehouse

Differential Revision: https://reviews.llvm.org/D86917

The goal to make chunk_state atomic, but we can't pack it with
free_tid on Windows.

During the PEI pass, the dead TargetStackID::SGPRSpill spill slots
are not being removed while spilling the FP/BP to memory.

Fixes: SWDEV-250393

Reviewed By: arsenm

Differential Revision: https://reviews.llvm.org/D87032

New name better represents the state of chunk.

Reviewed By: MaskRay

Differential Revision: https://reviews.llvm.org/D87182