[ARC] Fix -Wunused-variable. NFC

Move TargetRegistry.(h|cpp) from Support to MC

This moves the registry higher in the LLVM library dependency stack.
Every client of the target registry needs to link against MC anyway to
actually us

Move TargetRegistry.(h|cpp) from Support to MC

This moves the registry higher in the LLVM library dependency stack.
Every client of the target registry needs to link against MC anyway to
actually use the target, so we might as well move this out of Support.

This allows us to ensure that Support doesn't have includes from MC/*.

Differential Revision: https://reviews.llvm.org/D111454

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[ARC] ARCRegisterInfo cleanup prior to adding core register pairs (ARC32) and 64-bit core registers (ARC64)

Differential Revision: https://reviews.llvm.org/D11108

[Alignment][NFC] Transitionning more getMachineMemOperand call sites

Summary:
This is patch is part of a series to introduce an Alignment type.
See this thread for context: http://lists.llvm.org/pip

[Alignment][NFC] Transitionning more getMachineMemOperand call sites

Summary:
This is patch is part of a series to introduce an Alignment type.
See this thread for context: http://lists.llvm.org/pipermail/llvm-dev/2019-July/133851.html
See this patch for the introduction of the type: https://reviews.llvm.org/D64790

Reviewers: courbet

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D77127

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[NFC] unsigned->Register in storeRegTo/loadRegFromStack

Summary:
This patch makes progress on the 'unsigned -> Register' rewrite for
`TargetInstrInfo::loadRegFromStack` and `TII::storeRegToStack`.

[NFC] unsigned->Register in storeRegTo/loadRegFromStack

Summary:
This patch makes progress on the 'unsigned -> Register' rewrite for
`TargetInstrInfo::loadRegFromStack` and `TII::storeRegToStack`.

Reviewers: arsenm, craig.topper, uweigand, jpienaar, atanasyan, venkatra, robertlytton, dylanmckay, t.p.northover, kparzysz, tstellar, k-ishizaka

Reviewed By: arsenm

Subscribers: wuzish, merge_guards_bot, jyknight, sdardis, nemanjai, jvesely, wdng, nhaehnle, hiraditya, kbarton, fedor.sergeev, asb, rbar, johnrusso, simoncook, sabuasal, niosHD, jrtc27, MaskRay, zzheng, edward-jones, rogfer01, MartinMosbeck, brucehoult, the_o, PkmX, jocewei, jsji, Jim, lenary, s.egerton, pzheng, sameer.abuasal, apazos, luismarques, kerbowa, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D73870

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Update spelling of {analyze,insert,remove}Branch in strings and comments

These names have been changed from CamelCase to camelCase, but there were
many places (comments mostly) that still used the o

Update spelling of {analyze,insert,remove}Branch in strings and comments

These names have been changed from CamelCase to camelCase, but there were
many places (comments mostly) that still used the old names.

This change is NFC.

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Use MCRegister in copyPhysReg

[ARC] Add more load/store variants.

On ARC ISA, general format of load instruction is this:

LD<zz><.x><.aa><.di> a, [b,c]
And general format of store is this:
ST<zz><.aa><.di> c, [b,s9]
Whe

[ARC] Add more load/store variants.

On ARC ISA, general format of load instruction is this:

LD<zz><.x><.aa><.di> a, [b,c]
And general format of store is this:
ST<zz><.aa><.di> c, [b,s9]
Where:

<zz> is data size field and can be one of
<empty> (bits 00) - Word (32-bit), default behavior
B (bits 01) - Byte
H (bits 10) - Half-word (16-bit)

<.x> is data extend mode:
<empty> (bit 0) - If size is not Word(32-bit), then data is zero extended
X (bit 1) - If size is not Word(32-bit), then data is sign extended

<.aa> is address write-back mode:
<empty> (bits 00) - no write-back
.AW (bits 01) - Preincrement, base register updated pre memory transaction
.AB (bits 10) - Postincrement, base register updated post memory transaction

<.di> is cache bypass mode:
<empty> (bit 0) - Cached memory access, default mode
.DI (bit 1) - Non-cached data memory access

This patch adds these load/store instruction variants to the ARC backend.

Patch By Denis Antrushin! <[email protected]>

Differential Revision: https://reviews.llvm.org/D58980

llvm-svn: 356200

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[CodeGen][ARC][SystemZ][WebAssembly] Use MachineInstr::isInlineAsm in more places instead of just comparing opcode. NFCI

I'm looking at adding a second INLINEASM opcode for better modeling asm-goto

[CodeGen][ARC][SystemZ][WebAssembly] Use MachineInstr::isInlineAsm in more places instead of just comparing opcode. NFCI

I'm looking at adding a second INLINEASM opcode for better modeling asm-goto
as a terminator. Using the existing predicate will reduce teh number of
places that will need to use the new opcode.

llvm-svn: 353095

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Update the file headers across all of the LLVM projects in the monorepo
to reflect the new license.

We understand that people may be surprised that we're moving the header
entirely to discuss the ne

Update the file headers across all of the LLVM projects in the monorepo
to reflect the new license.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

llvm-svn: 351636

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Rename DEBUG macro to LLVM_DEBUG.

The DEBUG() macro is very generic so it might clash with other projects.
The renaming was done as follows:
- git grep -l 'DEBUG' | xargs sed -i 's/\bDEBUG\s\?(/

Rename DEBUG macro to LLVM_DEBUG.

The DEBUG() macro is very generic so it might clash with other projects.
The renaming was done as follows:
- git grep -l 'DEBUG' | xargs sed -i 's/\bDEBUG\s\?(/LLVM_DEBUG(/g'
- git diff -U0 master | ../clang/tools/clang-format/clang-format-diff.py -i -p1 -style LLVM
- Manual change to APInt
- Manually chage DOCS as regex doesn't match it.

In the transition period the DEBUG() macro is still present and aliased
to the LLVM_DEBUG() one.

Differential Revision: https://reviews.llvm.org/D43624

llvm-svn: 332240

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[DebugInfo] Examine all uses of isDebugValue() for debug instructions.

Because we create a new kind of debug instruction, DBG_LABEL, we need to
check all passes which use isDebugValue() to check Mac

[DebugInfo] Examine all uses of isDebugValue() for debug instructions.

Because we create a new kind of debug instruction, DBG_LABEL, we need to
check all passes which use isDebugValue() to check MachineInstr is debug
instruction or not. When expelling debug instructions, we should expel
both DBG_VALUE and DBG_LABEL. So, I create a new function,
isDebugInstr(), in MachineInstr to check whether the MachineInstr is
debug instruction or not.

This patch has no new test case. I have run regression test and there is
no difference in regression test.

Differential Revision: https://reviews.llvm.org/D45342

Patch by Hsiangkai Wang.

llvm-svn: 331844

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[ARC] Add missing condition codes.

Summary: Added VS and VC, required for disassembling.

Reviewers: petecoup

Reviewed By: petecoup

Subscribers: llvm-commits

Differential Revision: https://review

[ARC] Add missing condition codes.

Summary: Added VS and VC, required for disassembling.

Reviewers: petecoup

Reviewed By: petecoup

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D42172

llvm-svn: 322718

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[CodeGen] Rename functions PrintReg* to printReg*

LLVM Coding Standards:
Function names should be verb phrases (as they represent actions), and
command-like function should be imperative. The na

[CodeGen] Rename functions PrintReg* to printReg*

LLVM Coding Standards:
Function names should be verb phrases (as they represent actions), and
command-like function should be imperative. The name should be camel
case, and start with a lower case letter (e.g. openFile() or isFoo()).

Differential Revision: https://reviews.llvm.org/D40416

llvm-svn: 319168

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[ARC] Add ARC backend.

Add the ARC backend as an experimental target to lib/Target.
Reviewed at: https://reviews.llvm.org/D36331

llvm-svn: 311667