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Runtime support in progress downstream..
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This annotates the `Twine` passed to the constructors of the various
DiagnosticInfo subclasses with `[[clang::lifetimebound]]`, which causes
us to warn when we would try to print the twine after it had already
been destructed.
We also update `DiagnosticInfoUnsupported` to hold a `const Twine &`
like all of the other DiagnosticInfo classes, since this warning allows
us to clean up all of the places where it was being used incorrectly.
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- Remove calls to pass initialization from pass constructors.
- https://github.com/llvm/llvm-project/issues/111767
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In accordance with https://github.com/llvm/llvm-project/issues/123569
In order to keep the patch at reasonable size, this PR only covers for
the llvm subproject, unittests excluded.
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Generated automatically with:
$ clang-tidy -fix -checks=-*,llvm-qualified-auto $(find
lib/Target/AMDGPU/ -type f)
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This reverts commit fea5914c926e2f013a8b5e27eaa74c7047fb2c71.
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This reverts commit 069e8bcd82c4420239f95c7e6a09e1f756317cfc.
Summary:
Some tests failing, revert this for now.
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Summary:
Currently there are several layers to handle `printf`. Since we now have
varargs and an implementation of `printf` this can be heavily
simplified.
1. The frontend renames `printf` into `omp_vprintf` and gives it an
argument buffer.
Removing 1. triggered some code in the AMDGPU backend menat for HIP /
OpenCL, so I hadded an exception to it.
2. Forward this to CUDA vprintf or ignore it.
We no longer need special handling for it since we have varargs. So now
we just forward this to CUDA vprintf if we have libc, otherwise just
leave `printf` as an external function and expect that `libc` will be
linked in.
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This used to be necessary to fetch the DataLayout, but isn't anymore.
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These are the last remaining "trivial" changes to passes that use
Instruction pointers for insertion. All of this should be NFC, it's just
changing the spelling of how we identify a position.
In one or two locations, I'm also switching uses of getNextNode etc to
using std::next with iterators. This too should be NFC.
---------
Merged by: Stephen Tozer <stephen.tozer@sony.com>
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by the equivalent char literal
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The AMDGPU backend uses a pass to transform calls to the `printf`
function to a built-in verision for either HIP or OpenCL. Currently this
does not respect `-fno-builtin` and is always emitted. This allows the
user to turn off this functionality as is standard for these types of
built-in transformations. The motivation behind this change is to allow
the `libc` project to provide a linkable version of the `printf`
function in the future.
Reviewed By: sameerds
Differential Revision: https://reviews.llvm.org/D158477
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This avoids computing the dominator tree by removing the
simplifyInstruction use.
This was applying simplification with some kind of questionable
load-store forwarding and looking for the global. This had to have
been an ancient hack copied from previous backends. In the OpenCL
case, this is always emitted as required the direct global reference
anyway.
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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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I also ran `git clang-format` to get the headers in the right order for
the new location, which has changed the order of other headers in two
files.
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Cleanup leftover typed pointer handling.
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Tolerated printf format strings that are indexed globals and fixes
asserting on non-null terminated strings.
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The index stored to the buffer is just an index into this named
metadata. It would more robust to produce a private constant table,
and use a constant expression to index into it.
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The pass that this test case is testing has host-endianness
dependencies. This fixes the pertinent one causing failures
on BE bots.
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The comment says fields should be 4-byte aligned, so just pass through
after conversion to integer. The conformance test lacks any testing of
half.
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Strip pointer casts to get to the global. Fixes not respecting indexed
constant strings. Tolerate non-null terminated and empty strings.
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This was broken for 1 element vectors and trying to create invalid
casts. We can directly store any type just fine, so don't bother with
this buggy conversion logic.
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Attempt 2 to fix big endian bot failures.
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Attempt to fix test failures on big endian bots. This pass definitely
needs more test coverage.
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This was directly considering the pointee type, and also applying
special semantics to constant address space.
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This was completely broken with opaque pointers because it was
specifically looking for a constant expression with the global
variable as the first operand. Strip casts like normal, and properly
validate all of the restrictions rather than silently ignoring any
unhandled cases. Also be stricter that we aren't calling into some
unresolved or non-constant format string.
Also converts the test to opaque pointers and generated tests. There's
more broken initializer handling for strings inside the format string
processing too, but there's just no test coverage for this at all.
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This reverts commit 135f6a1ee8b20bb392ebad2fa5aef78e3a30ddb4.
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Clang-format InstructionSimplify and convert all "FunctionName"s to
"functionName". This patch does touch a lot of files but gets done with
the cleanup of InstructionSimplify in one commit.
This is the alternative to the less invasive clang-format only patch: D126783
Reviewed By: spatel, rengolin
Differential Revision: https://reviews.llvm.org/D126889
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The diagnostic is unreliable, and triggers even for dead uses of
hostcall that may exist when linking the device-libs at lower
optimization levels.
Eliminate the diagnostic, and directly document the limitation for
OpenCL before code object V5.
Make some NFC changes to clarify the related code in the
MetadataStreamer.
Add a clang test to tie OCL sources containing printf to the backend IR
tests for this situation.
Reviewed By: sameerds, arsenm, yaxunl
Differential Revision: https://reviews.llvm.org/D121951
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This header is very large (3M Lines once expended) and was included in location
where dwarf-specific information were not needed.
More specifically, this commit suppresses the dependencies on
llvm/BinaryFormat/Dwarf.h in two headers: llvm/IR/IRBuilder.h and
llvm/IR/DebugInfoMetadata.h. As these headers (esp. the former) are widely used,
this has a decent impact on number of preprocessed lines generated during
compilation of LLVM, as showcased below.
This is achieved by moving some definitions back to the .cpp file, no
performance impact implied[0].
As a consequence of that patch, downstream user may need to manually some extra
files:
llvm/IR/IRBuilder.h no longer includes llvm/BinaryFormat/Dwarf.h
llvm/IR/DebugInfoMetadata.h no longer includes llvm/BinaryFormat/Dwarf.h
In some situations, codes maybe relying on the fact that
llvm/BinaryFormat/Dwarf.h was including llvm/ADT/Triple.h, this hidden
dependency now needs to be explicit.
$ clang++ -E -Iinclude -I../llvm/include ../llvm/lib/Transforms/Scalar/*.cpp -std=c++14 -fno-rtti -fno-exceptions | wc -l
after: 10978519
before: 11245451
Related Discourse thread: https://llvm.discourse.group/t/include-what-you-use-include-cleanup
[0] https://llvm-compile-time-tracker.com/compare.php?from=fa7145dfbf94cb93b1c3e610582c495cb806569b&to=995d3e326ee1d9489145e20762c65465a9caeab4&stat=instructions
Differential Revision: https://reviews.llvm.org/D118781
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Identified with modernize-use-nullptr.
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Note that getNumArgOperands is considered a legacy name. See
llvm/include/llvm/IR/InstrTypes.h for details.
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commit for new contributor.
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Identified with readability-redundant-string-cstr.
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Noticed while making a related change. This code was doing
something really peculiar: Creating an APInt by parsing a string.
And then creating a SmallVector with one element to create the
GEP.
Instead create the APInt from integers and directly pass the single
index to GetElementPtrInst::Create().
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This code is working on an i8*. Avoid nullptr element type in
preparation for removing support.
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We dereference the dyn_cast<> in all paths - use cast<> to silence the clang static analyzer warning.
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Avoid repeated calls to isZeroValue() and check for a null pointer before dereferencing a dyn_cast<>.
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Reviewed By: rampitec
Differential Revision: https://reviews.llvm.org/D93813
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And add to AMDGPU opt pipeline.
Reviewed By: arsenm
Differential Revision: https://reviews.llvm.org/D94026
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