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These are identified by misc-include-cleaner. I've filtered out those
that break builds. Also, I'm staying away from llvm-config.h,
config.h, and Compiler.h, which likely cause platform- or
compiler-specific build failures.
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The last use was removed in:
commit fa6ea7a419f37befbed04368bcb8af4c718facbb
Author: Arthur Eubanks <aeubanks@google.com>
Date: Mon Mar 20 11:18:35 2023 -0700
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Don't call raw_string_ostream::flush(), which is essentially a no-op.
As specified in the docs, raw_string_ostream is always unbuffered.
( 65b13610a5226b84889b923bae884ba395ad084d for further reference )
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Namespaces are terminated with a closing comment in the majority of the
codebase so do the same here for consistency. Also format code within
some namespaces to make clang-format happy.
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In preparation for removing the `#include "llvm/ADT/StringExtras.h"`
from the header to source file of `llvm/Support/Error.h`, first add in
all the missing includes that were previously included transitively
through this header.
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Intrinsics have historically been excluded from the call graph with an
exception of 3 special ones added at some point. This meant that passes
depending on the call graph needed to handle intrinsics explicitly as
the underlying assumption, namely that intrinsics can't call or modify
things, doesn't hold. We are slowly moving away from special handling of
intrinsics, or at least towards explicitly checking what intrinsics we
want to handle differently.
This patch:
- Includes most intrinsics in the call graph. Debug intrinsics are
still excluded.
- Removes the special handling of intrinsics in the GlobalsAA pass.
- Removes the `IntrinsicInst::isLeaf` method.
Properly
Fixes: https://github.com/llvm/llvm-project/issues/52706
See also:
https://discourse.llvm.org/t/intrinsics-are-not-special-stop-pretending-i-mean-it/67545
Differential Revision: https://reviews.llvm.org/D14119
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Differential Revision: https://reviews.llvm.org/D137149
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Move structural hashing into virtual methods on Pass. This will
allow MachineFunctionPass to override the method to add hashing of
the MachineFunction.
Differential Revision: https://reviews.llvm.org/D120123
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Discourse thread: https://discourse.llvm.org/t/include-what-you-use-include-cleanup
Differential Revision: https://reviews.llvm.org/D121332
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Estimation on the impact on preprocessor output:
before: 1065307662
after: 1064800684
Discourse thread: https://discourse.llvm.org/t/include-what-you-use-include-cleanup
Differential Revision: https://reviews.llvm.org/D120741
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Number of lines output by preprocessor:
before: 1065940348
after: 1065307662
Discourse thread: https://discourse.llvm.org/t/include-what-you-use-include-cleanup
Differential Revision: https://reviews.llvm.org/D120659
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Identified with readability-redundant-member-init.
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This reverts commit fd4808887ee47f3ec8a030e9211169ef4fb094c3.
This patch causes gcc to issue a lot of warnings like:
warning: base class ‘class llvm::MCParsedAsmOperand’ should be
explicitly initialized in the copy constructor [-Wextra]
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Identified with readability-redundant-member-init.
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This changes --print-before/after to be a list of strings rather than
legacy passes. (this also has the effect of not showing the entire list
of passes in --help-hidden after --print-before/after, which IMO is
great for making it less verbose).
Currently PrintIRInstrumentation passes the class name rather than pass
name to llvm::shouldPrintBeforePass(), meaning
llvm::shouldPrintBeforePass() never functions as intended in the NPM.
There is no easy way of converting class names to pass names outside of
within an instance of PassBuilder.
This adds a map of pass class names to their short names in
PassRegistry.def within PassInstrumentationCallbacks. It is populated
inside the constructor of PassBuilder, which takes a
PassInstrumentationCallbacks.
Add a pointer to PassInstrumentationCallbacks inside
PrintIRInstrumentation and use the newly created map.
This is a bit hacky, but I can't think of a better way since the short
id to class name only exists within PassRegistry.def. This also doesn't
handle passes not in PassRegistry.def but rather added via
PassBuilder::registerPipelineParsingCallback().
llvm/test/CodeGen/Generic/print-after.ll doesn't seem very useful now
with this change.
Reviewed By: ychen, jamieschmeiser
Differential Revision: https://reviews.llvm.org/D87216
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We should share options when possible.
Reviewed By: asbirlea
Differential Revision: https://reviews.llvm.org/D91741
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This is a follow-up to https://reviews.llvm.org/D80707, generalized to
CallGraphSCC, Loop and Region
Differential Revision: https://reviews.llvm.org/D86442
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This generalizes the logic introduced in https://reviews.llvm.org/D80916 to
other passes.
It's needed by https://reviews.llvm.org/D86442 to assert passes correctly report
their status.
Differential Revision: https://reviews.llvm.org/D86589
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Since D82572, we keep "reference" edges for callback call sites. While
not strictly necessary they can improve the traversal order. However, we
did not update them properly in case a pass removed the callback call
site which caused a verification error (PR46687). With this patch we
update these reference edges properly during the invocation of
`CallGraphSCCPass::RefreshCallGraph` in non-checking mode.
Reviewed By: sdmitriev
Differential Revision: https://reviews.llvm.org/D83718
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Summary:
This patch changes call graph analysis to recognize callback call sites
and add an artificial 'reference' call record from the broker function
caller to the callback function in the call graph. A presence of such
reference enforces bottom-up traversal order for callback functions in
CG SCC pass manager because callback function logically becomes a callee
of the broker function caller.
Reviewers: jdoerfert, hfinkel, sstefan1, baziotis
Reviewed By: jdoerfert
Subscribers: hiraditya, kuter, sstefan1, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D82572
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Summary: Tidy up some CallGraph-related code in preparation for D82572.
Reviewers: jdoerfert
Reviewed By: jdoerfert
Subscribers: hiraditya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D82686
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I uploaded the old version accidentally instead of the one with these
minor adjustments requested by the reviewers.
Differential Revision: https://reviews.llvm.org/D77855
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Summary:
We can and should remove deleted nodes from their respective SCCs. We
did not do this before and this was a potential problem even though I
couldn't locally trigger an issue. Since the `DeleteNode` would assert
if the node was not in the SCC, we know we only remove nodes from their
SCC and only once (when run on all the Attributor tests).
Reviewers: lebedev.ri, hfinkel, fhahn, probinson, wristow, loladiro, sstefan1, uenoku
Subscribers: hiraditya, bollu, uenoku, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D77855
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The CallGraphUpdater is a helper that simplifies the process of updating
the call graph, both old and new style, while running an CGSCC pass.
The uses are contained in different commits, e.g. D70767.
More functionality is added as we need it.
Reviewed By: modocache, hfinkel
Differential Revision: https://reviews.llvm.org/D70927
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code to `CallBase`.
This patch focuses on the legacy PM, call graph, and some of inliner and legacy
passes interacting with those APIs from `CallSite` to the new `CallBase` class.
No interesting changes.
Differential Revision: https://reviews.llvm.org/D60412
llvm-svn: 358739
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OptBisect is in IR due to LLVMContext using it. However, it uses IR units from
Analysis as well. This change moves getDescription functions from OptBisect
to their respective IR units. Generating names for IR units will now be up
to the callers, keeping the Analysis IR units in Analysis. To prevent
unnecessary string generation, isEnabled function is added so that callers know
when the description needs to be generated.
Differential Revision: https://reviews.llvm.org/D58406
llvm-svn: 355068
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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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It appears that print-module-scope was not implemented for legacy SCC passes.
Fixed to print a whole module instead of just current SCC.
Reviewed By: mkazantsev
Differential Revision: https://reviews.llvm.org/D54793
llvm-svn: 348144
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Implementing -print-before-all/-print-after-all/-filter-print-func support
through PassInstrumentation callbacks.
- PrintIR routines implement printing callbacks.
- StandardInstrumentations class provides a central place to manage all
the "standard" in-tree pass instrumentations. Currently it registers
PrintIR callbacks.
Reviewers: chandlerc, paquette, philip.pfaffe
Differential Revision: https://reviews.llvm.org/D50923
llvm-svn: 342896
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This patch adds per-function size information remarks. Previously, passing
-Rpass-analysis=size-info would only give you per-module changes. By adding
the ability to do this per-function, it's easier to see which functions
contributed the most to size changes.
https://reviews.llvm.org/D51467
llvm-svn: 341588
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Instead of counting the size of the entire module every time we run a pass,
pass along a delta instead and use that to emit the remark.
This means we only have to use (on average) smaller IR units to calculate
instruction counts. E.g, in a BB pass, we only need to look at the delta of
the BB instead of the delta of the entire module.
6/6
(This improved compile time for size remarks on sqlite3 + O2 significantly)
llvm-svn: 341250
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Same vein as the previous commits. Pre-calculate the size of
the module and use that to decide if we're going to emit a
remark.
This one comes with a FIXME and TODO. First off, CallGraphSCC
and CallGraphNode don't have a getInstructionCount function. So,
for now, we do the same thing as in a module pass.
Second off, we're not really saving anything here yet, because
as before, I need to change emitInstrCountChangedRemark to take
in a delta. Keeping the patches small though, so that's coming up
next.
5/6
llvm-svn: 341249
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Moving PassTimingInfo from legacy pass manager code into a separate header.
Making it suitable for both legacy and new pass manager.
Adding a test on -time-passes main functionality.
llvm-svn: 340872
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sed -Ei 's/[[:space:]]+$//' include/**/*.{def,h,td} lib/**/*.{cpp,h}
llvm-svn: 338293
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Summary:
This takes 22ms out of ~20s compiling sqlite3.c because we call it
for every unit of compilation and every pass.
Reviewers: paquette, anemet
Subscribers: mehdi_amini, llvm-commits
Differential Revision: https://reviews.llvm.org/D49586
llvm-svn: 337654
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This reverts commit r336419: use-after-free on CallGraph::FunctionMap elements
due to the use of a stale iterator in CGPassManager::runOnModule.
The iterator may be invalidated if a pass removes a function, ex.:
llvm::LegacyInlinerBase::inlineCalls
inlineCallsImpl
llvm::CallGraph::removeFunctionFromModule
llvm-svn: 337018
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Previously we only iterated over functions reachable from the set of
external functions in the module. But since some of the passes under
this (notably the always-inliner and coroutine lowerer) are required for
correctness, they need to run over everything.
This just adds an extra layer of iteration over the CallGraph to keep
track of which functions we've already visited and get the next batch of
SCCs.
Should fix PR38029.
llvm-svn: 336419
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This patch adds a remark which tells the user when a pass changes the number of
IR instructions in a module.
It can be enabled by using -Rpass-analysis=size-info.
The point of this is to make it easier to collect statistics on how passes
modify programs in terms of code size. This is similar in concept to timing
reports, but using a remark-based interface makes it easy to diff changes over
multiple compilations of the same program.
By adding functionality like this, we can see
* Which passes impact code size the most
* How passes impact code size at different optimization levels
* Which pass might have contributed the most to an overall code size
regression
The patch lives in the legacy pass manager, but since it's simply emitting
remarks, it shouldn't be too difficult to adapt the functionality to the new
pass manager as well. This can also be adapted to handle MachineInstr counts in
code gen passes.
https://reviews.llvm.org/D38768
llvm-svn: 332739
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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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Summary:
This is an NFC refactoring of the OptBisect class to split it into an optional pass gate interface used by LLVMContext and the Optional Pass Bisector (OptBisect) used for debugging of optional passes.
This refactoring is needed for D44464, which introduces setOptPassGate() method to allow implementations other than OptBisect.
Patch by Yevgeny Rouban.
Reviewers: andrew.w.kaylor, fedor.sergeev, vsk, dberlin, Eugene.Zelenko, reames, skatkov
Reviewed By: fedor.sergeev
Differential Revision: https://reviews.llvm.org/D44821
llvm-svn: 328637
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warnings; other minor fixes. Also affected in files (NFC).
llvm-svn: 312289
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runOnSCC and skipping banner for function declarations.
Reviewed By: Mehdi AMINI
Differential Revision: https://reviews.llvm.org/D34086
llvm-svn: 305179
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maximum
Summary:
There are several places in the codebase that try to calculate a maximum value in a Statistic object. We currently do this in one of two ways:
MaxNumFoo = std::max(MaxNumFoo, NumFoo);
or
MaxNumFoo = (MaxNumFoo > NumFoo) ? MaxNumFoo : NumFoo;
The first version reads from MaxNumFoo one time and uncontionally rwrites to it. The second version possibly reads it twice depending on the result of the first compare. But we have no way of knowing if the value was changed by another thread between the reads and the writes.
This patch adds a method to the Statistic object that can ensure that we only store if our value is the max and the previous max didn't change after we read it. If it changed we'll recheck if our value should still be the max or not and try again.
This spawned from an audit I'm trying to do of all places we uses the implicit conversion to unsigned on the Statistics objects. See my previous thread on llvm-dev https://groups.google.com/forum/#!topic/llvm-dev/yfvxiorKrDQ
Reviewers: dberlin, chandlerc, hfinkel, dblaikie
Reviewed By: chandlerc
Subscribers: llvm-commits, sanjoy
Differential Revision: https://reviews.llvm.org/D33301
llvm-svn: 303318
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This relands r301424.
llvm-svn: 301812
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Commits were:
"Use WeakVH instead of WeakTrackingVH in AliasSetTracker's UnkownInsts"
"Add a new WeakVH value handle; NFC"
"Rename WeakVH to WeakTrackingVH; NFC"
The changes assumed pointers are 8 byte aligned on all architectures.
llvm-svn: 301429
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Summary:
I plan to use WeakVH to mean "nulls itself out on deletion, but does
not track RAUW" in a subsequent commit.
Reviewers: dblaikie, davide
Reviewed By: davide
Subscribers: arsenm, mehdi_amini, mcrosier, mzolotukhin, jfb, llvm-commits, nhaehnle
Differential Revision: https://reviews.llvm.org/D32266
llvm-svn: 301424
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llvm-svn: 297442
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