Revert "Use uint64_t for branch weights instead of uint32_t"

This reverts commit 10f2a0d662d8d72eaac48d3e9b31ca8dc90df5a4.

More uint64_t overflows.

Use uint64_t for branch weights instead of uint32_t

CallInst::updateProfWeight() creates branch_weights with i64 instead of i32.
To be more consistent everywhere and remove lots of casts from uint64

Use uint64_t for branch weights instead of uint32_t

CallInst::updateProfWeight() creates branch_weights with i64 instead of i32.
To be more consistent everywhere and remove lots of casts from uint64_t
to uint32_t, use i64 for branch_weights.

Reviewed By: davidxl

Differential Revision: https://reviews.llvm.org/D88609

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Revert "Use uint64_t for branch weights instead of uint32_t"

This reverts commit e5766f25c62c185632e3a75bf45b313eadab774b.
Makes clang assert when building Chromium, see https://crbug.com/1142813
fo

Revert "Use uint64_t for branch weights instead of uint32_t"

This reverts commit e5766f25c62c185632e3a75bf45b313eadab774b.
Makes clang assert when building Chromium, see https://crbug.com/1142813
for a repro.

show more ...

Use uint64_t for branch weights instead of uint32_t

CallInst::updateProfWeight() creates branch_weights with i64 instead of i32.
To be more consistent everywhere and remove lots of casts from uint64

Use uint64_t for branch weights instead of uint32_t

CallInst::updateProfWeight() creates branch_weights with i64 instead of i32.
To be more consistent everywhere and remove lots of casts from uint64_t
to uint32_t, use i64 for branch_weights.

Reviewed By: davidxl

Differential Revision: https://reviews.llvm.org/D88609

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[NewPassManager] Add assertions when getting statefull cached analysis.

Summary:
Analyses that are statefull should not be retrieved through a proxy from
an outer IR unit, as these analyses are only

[NewPassManager] Add assertions when getting statefull cached analysis.

Summary:
Analyses that are statefull should not be retrieved through a proxy from
an outer IR unit, as these analyses are only invalidated at the end of
the inner IR unit manager.
This patch disallows getting the outer manager and provides an API to
get a cached analysis through the proxy. If the analysis is not
stateless, the call to getCachedResult will assert.

Reviewers: chandlerc

Subscribers: mehdi_amini, eraman, hiraditya, zzheng, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D72893

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[CHR] Clean up some code and reduce copying. NFCI.

[PGO][CHR] Guard against 0-to-0 branch weight and avoid division by zero crash.

Summary: This fixes a crash in internal builds under SamplePGO.

Reviewers: davidxl

Subscribers: hiraditya, llvm-comm

[PGO][CHR] Guard against 0-to-0 branch weight and avoid division by zero crash.

Summary: This fixes a crash in internal builds under SamplePGO.

Reviewers: davidxl

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D72653

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Add missing includes needed to prune LLVMContext.h include, NFC

These are a pre-requisite to removing #include "llvm/Support/Options.h"
from LLVMContext.h: https://reviews.llvm.org/D70280

Sink all InitializePasses.h includes

This file lists every pass in LLVM, and is included by Pass.h, which is
very popular. Every time we add, remove, or rename a pass in LLVM, it
caused lots of reco

Sink all InitializePasses.h includes

This file lists every pass in LLVM, and is included by Pass.h, which is
very popular. Every time we add, remove, or rename a pass in LLVM, it
caused lots of recompilation.

I found this fact by looking at this table, which is sorted by the
number of times a file was changed over the last 100,000 git commits
multiplied by the number of object files that depend on it in the
current checkout:
recompiles touches affected_files header
342380 95 3604 llvm/include/llvm/ADT/STLExtras.h
314730 234 1345 llvm/include/llvm/InitializePasses.h
307036 118 2602 llvm/include/llvm/ADT/APInt.h
213049 59 3611 llvm/include/llvm/Support/MathExtras.h
170422 47 3626 llvm/include/llvm/Support/Compiler.h
162225 45 3605 llvm/include/llvm/ADT/Optional.h
158319 63 2513 llvm/include/llvm/ADT/Triple.h
140322 39 3598 llvm/include/llvm/ADT/StringRef.h
137647 59 2333 llvm/include/llvm/Support/Error.h
131619 73 1803 llvm/include/llvm/Support/FileSystem.h

Before this change, touching InitializePasses.h would cause 1345 files
to recompile. After this change, touching it only causes 550 compiles in
an incremental rebuild.

Reviewers: bkramer, asbirlea, bollu, jdoerfert

Differential Revision: https://reviews.llvm.org/D70211

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[CHR] Fixed null check after dereferencing warning. NFCI.

[PGO][CHR] Speed up following long, interlinked use-def chains.

Summary:
Avoid visiting an instruction more than once by using a map.

This is similar to https://reviews.llvm.org/rL361416.

Reviewer

[PGO][CHR] Speed up following long, interlinked use-def chains.

Summary:
Avoid visiting an instruction more than once by using a map.

This is similar to https://reviews.llvm.org/rL361416.

Reviewers: davidxl

Reviewed By: davidxl

Subscribers: llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D67198

llvm-svn: 371086

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[llvm] Migrate llvm::make_unique to std::make_unique

Now that we've moved to C++14, we no longer need the llvm::make_unique
implementation from STLExtras.h. This patch is a mechanical replacement
of

[llvm] Migrate llvm::make_unique to std::make_unique

Now that we've moved to C++14, we no longer need the llvm::make_unique
implementation from STLExtras.h. This patch is a mechanical replacement
of (hopefully) all the llvm::make_unique instances across the monorepo.

llvm-svn: 369013

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[IR] SelectInst: add swapValues() utility

Summary:
Sometimes we need to swap true-val and false-val of a `SelectInst`.
Having a function for that is nicer than hand-writing it each time.

Reviewers:

[IR] SelectInst: add swapValues() utility

Summary:
Sometimes we need to swap true-val and false-val of a `SelectInst`.
Having a function for that is nicer than hand-writing it each time.

Reviewers: spatel, RKSimon, craig.topper, jdoerfert

Reviewed By: jdoerfert

Subscribers: jdoerfert, hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D65520

llvm-svn: 367547

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[PGO][CHR] Speed up following long use-def chains.

Summary: Avoid visiting an instruction more than once by using a map.

Reviewers: davidxl

Reviewed By: davidxl

Subscribers: llvm-commits

Tags: #

[PGO][CHR] Speed up following long use-def chains.

Summary: Avoid visiting an instruction more than once by using a map.

Reviewers: davidxl

Reviewed By: davidxl

Subscribers: llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D62262

llvm-svn: 361416

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[PGO][CHR] A bug fix.

Summary: Fix a transformation bug where two scopes share a common instrution to hoist.

Reviewers: davidxl

Reviewed By: davidxl

Subscribers: llvm-commits

Tags: #llvm

Differ

[PGO][CHR] A bug fix.

Summary: Fix a transformation bug where two scopes share a common instrution to hoist.

Reviewers: davidxl

Reviewed By: davidxl

Subscribers: llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D61405

llvm-svn: 359736

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Use llvm::stable_sort

While touching the code, simplify if feasible.

llvm-svn: 358996

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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[ProfileSummary] Standardize methods and fix comment

Every Analysis pass has a get method that returns a reference of the Result of
the Analysis, for example, BlockFrequencyInfo
&BlockFrequencyInfoW

[ProfileSummary] Standardize methods and fix comment

Every Analysis pass has a get method that returns a reference of the Result of
the Analysis, for example, BlockFrequencyInfo
&BlockFrequencyInfoWrapperPass::getBFI(). I believe that
ProfileSummaryInfo::getPSI() is the only exception to that, as it was returning
a pointer.

Another change is renaming isHotBB and isColdBB to isHotBlock and isColdBlock,
respectively. Most methods use BB as the argument of variable names while
methods usually refer to Basic Blocks as Blocks, instead of BB. For example,
Function::getEntryBlock, Loop:getExitBlock, etc.

I also fixed one of the comments.

Patch by Rodrigo Caetano Rocha!

Differential Revision: https://reviews.llvm.org/D54669

llvm-svn: 347182

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Use llvm::copy. NFC

llvm-svn: 347126

Move some helpers from the global namespace into anonymous ones.

llvm-svn: 344468

[PGO][CHR] Add opt remarks.

Reviewers: davidxl

Reviewed By: davidxl

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D52056

llvm-svn: 342495

[PGO] Fix some style issue of ControlHeightReduction

Reviewers: yamauchi

Reviewed By: yamauchi

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D51811

llvm-svn: 341702

[PGO][CHR] Build/warning fix

llvm-svn: 341692

[PGO][CHR] Small cleanup.

Summary:
Do away with demangling. It wasn't really necessary.
Declared some local functions to be static.

Reviewers: davidxl

Reviewed By: davidxl

Subscribers: llvm-commi

[PGO][CHR] Small cleanup.

Summary:
Do away with demangling. It wasn't really necessary.
Declared some local functions to be static.

Reviewers: davidxl

Reviewed By: davidxl

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D51740

llvm-svn: 341681

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[ControlHeightReduction] Remove unused includes

Also clang-format them.

llvm-svn: 341468