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This requires std::intializer_list to be a literal type, which it is
starting with C++14. The downside is that std::bitset is still not
constexpr-friendly so this change contains a re-implementation of most
of it.
Shrinks clang by ~60k.
llvm-svn: 369847
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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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This part was accidentally missing from NSA image support commit.
Differential Revision: https://reviews.llvm.org/D61868
llvm-svn: 360623
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Reported in https://www.viva64.com/en/b/0629/
llvm-svn: 359474
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Summary:
While working on the GISel Combiner, I noticed I was producing location-less
error messages fairly often and set about fixing this. In the process, I
noticed quite a few places elsewhere in TableGen that also neglected to include
a relevant location.
This patch adds locations to errors that relate to a specific record (or a
field within it) and also have easy access to the relevant location. This is
particularly useful when multiclasses are involved as many of these errors
refer to the full name of a record and it's difficult to guess which substring
is grep-able.
Unfortunately, tablegen currently only supports Record granularity so it's not
currently possible to point at a specific Init so these sometimes point at the
record that caused the error rather than the precise origin of the error.
Reviewers: bogner, aditya_nandakumar, volkan, aemerson, paquette, nhaehnle
Reviewed By: nhaehnle
Subscribers: jdoerfert, nhaehnle, asb, rbar, johnrusso, simoncook, apazos, sabuasal, niosHD, jrtc27, zzheng, edward-jones, rogfer01, MartinMosbeck, brucehoult, the_o, PkmX, jocewei, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D58077
llvm-svn: 353862
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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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Summary:
As a bonus, this arguably improves the code by making it simpler.
gcc 8 on Ubuntu 18.10 reports the following:
==39667==ERROR: AddressSanitizer: stack-use-after-scope on address 0x7fffffff8ae0 at pc 0x555555dbfc68 bp 0x7fffffff8760 sp 0x7fffffff8750
WRITE of size 8 at 0x7fffffff8ae0 thread T0
#0 0x555555dbfc67 in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Alloc_hider::_Alloc_hider(char*, std::allocator<char>&&) /usr/include/c++/8/bits/basic_string.h:149
#1 0x555555dbfc67 in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&) /usr/include/c++/8/bits/basic_string.h:542
#2 0x555555dbfc67 in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > std::operator+<char, std::char_traits<char>, std::allocator<char> >(char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&) /usr/include/c++/8/bits/basic_string.h:6009
#3 0x555555dbfc67 in searchableFieldType /home/nha/amd/build/san/llvm-src/utils/TableGen/SearchableTableEmitter.cpp:168
(...)
Address 0x7fffffff8ae0 is located in stack of thread T0 at offset 864 in frame
#0 0x555555dbef3f in searchableFieldType /home/nha/amd/build/san/llvm-src/utils/TableGen/SearchableTableEmitter.cpp:148
Reviewers: fhahn, simon_tatham, kparzysz
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D53931
llvm-svn: 345749
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Summary:
This should fix signedness warnings when compiling with MSVC.
Change-Id: I4664cce0ba91e9b42d21a86fd4a7e82f2320c451
Reviewers: RKSimon
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D51097
llvm-svn: 340518
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Summary:
This is essentially a rewrite of the backend which introduces TableGen
base classes GenericEnum, GenericTable, and SearchIndex. They allow
generating custom enums and tables with lookup functions using
separately defined records as the underlying database.
Also added as part of this change:
- Lookup functions may use indices composed of multiple fields.
- Instruction fields are supported similar to Intrinsic fields.
- When the lookup key has contiguous numeric values, the lookup
function will directly index into the table instead of using a binary
search.
The existing SearchableTable functionality is internally mapped to the
new primitives.
Change-Id: I444f3490fa1dbfb262d7286a1660a2c4308e9932
Reviewers: arsenm, tra, t.p.northover
Subscribers: wdng, llvm-commits
Differential Revision: https://reviews.llvm.org/D48013
llvm-svn: 335225
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Summary:
We will use this in the AMDGPU backend in a subsequent patch
in the stack to lookup target-specific per-intrinsic information.
The generic CodeGenIntrinsic machinery is used to ensure that,
even though we don't calculate actual enum values here, we do
get the intrinsics in the right order for the binary search
index.
Change-Id: If61cd5587963a4c5a1cc53df1e59c5e4dec1f9dc
Reviewers: arsenm, rampitec, b-sumner
Subscribers: wdng, tpr, llvm-commits
Differential Revision: https://reviews.llvm.org/D44935
llvm-svn: 328937
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llvm-svn: 320632
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If a method / function returns a StringRef but the
variable is of type const std::string& a temporary string is
created (StringRef has a cast operator to std::string),
which is a suboptimal behavior.
Differential revision: https://reviews.llvm.org/D34994
Test plan: make check-all
llvm-svn: 307195
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instead of a std::string.
llvm-svn: 304347
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Avoids a call to strlen on both strings which always reads the entire
string. strcmp can use early exit.
llvm-svn: 276737
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llvm-svn: 274584
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The way the named arguments for various system instructions are handled at the
moment has a few problems:
- Large-scale duplication between AArch64BaseInfo.h and AArch64BaseInfo.cpp
- That weird Mapping class that I have no idea what I was on when I thought
it was a good idea.
- Searches are performed linearly through the entire list.
- We print absolutely all registers in upper-case, even though some are
canonically mixed case (SPSel for example).
- The ARM ARM specifies sysregs in terms of 5 fields, but those are relegated
to comments in our implementation, with a slightly opaque hex value
indicating the canonical encoding LLVM will use.
This adds a new TableGen backend to produce efficiently searchable tables, and
switches AArch64 over to using that infrastructure.
llvm-svn: 274576
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