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Duncan P. N. Exon Smith [Thu, 10 Dec 2020 00:56:08 +0000 (16:56 -0800)]
clangd: Migrate to FileEntryRef in TweakTests, NFC
Fangrui Song [Thu, 10 Dec 2020 00:57:36 +0000 (16:57 -0800)]
[Driver] Add -f[no-]legacy-pass-manager to supersede -f[no-]experimental-new-pass-manager
The new PM is considered stable and many downstream groups have adopted it (some
have adopted it for more than two years). Add -f[no-]legacy-pass-manager to reflect the
fact that it is no longer experimental and the legacy pass manager is something we strive to retire.
In the future, when the legacy PM eventually goes away,
-fno-experimental-new-pass-manager and -flegacy-pass-manager will be removed.
This patch also changes -f[no-]legacy-pass-manager to pass `-plugin-opt={new,legacy}-pass-manager` to the linker (supported by both ld.lld and LLVMgold.so) when -flto/-flto=thin is specified
Reviewed By: aeubanks, rsmith
Differential Revision: https://reviews.llvm.org/D92915
Fangrui Song [Thu, 10 Dec 2020 00:43:30 +0000 (16:43 -0800)]
Rename -plugin-opt=no-new-pass-manager to -plugin-opt=legacy-pass-manager
Stanislav Mekhanoshin [Wed, 9 Dec 2020 23:51:21 +0000 (15:51 -0800)]
[AMDGPU] Fix expansion of 192 bit spills in PEI
Differential Revision: https://reviews.llvm.org/D92979
Artem Belevich [Thu, 3 Dec 2020 21:48:37 +0000 (13:48 -0800)]
[DWARF] Allow toolchain to adjust specified DWARF version.
This is needed for CUDA compilation where NVPTX back-end only supports DWARF2,
but host compilation should be allowed to use newer DWARF versions.
Differential Revision: https://reviews.llvm.org/D92617
Duncan P. N. Exon Smith [Thu, 10 Dec 2020 00:31:38 +0000 (16:31 -0800)]
Tooling: Migrate to FileEntryRef in clang::tooling::applyAllReplacements, NFC
Migrate to the `FileEntryRef` overload of `SourceManager::createFileID`.
Duncan P. N. Exon Smith [Thu, 10 Dec 2020 00:15:07 +0000 (16:15 -0800)]
Frontend: Use a getVirtualFileRef for a named pipe main file, NFC
Krzysztof Parzyszek [Wed, 9 Dec 2020 23:52:03 +0000 (17:52 -0600)]
[Hexagon] Silence warnings about unused objects
Krzysztof Parzyszek [Wed, 9 Dec 2020 23:39:13 +0000 (17:39 -0600)]
[Hexagon] Fix build: move template specialization into namespace scope
Scott Linder [Wed, 9 Dec 2020 23:13:15 +0000 (23:13 +0000)]
[MC] Fix ICE with non-newline terminated input
There is an explicit option for the lexer to support this, but we crash
when `-preserve-comments` is enabled because it checks for
`getTok().getString().empty()` to detect the case. This doesn't
work currently because the lexer reports this case as a string of length
1, containing a null byte.
Change the lexer to instead report this case via an empty string, as the
null terminator isn't logically a part of the textual input, and the
check for `.empty()` seems natural and obvious in the calling code.
Reviewed By: niravd
Differential Revision: https://reviews.llvm.org/D92681
River Riddle [Wed, 9 Dec 2020 23:33:49 +0000 (15:33 -0800)]
[mlir][Interfaces] Tidy up the documentation for interfaces
The documentation has become a bit stale with age, and doesn't include great documentation for some newer concepts. This revision tidies up a majority of it, with some more cleanup to come in the future. The documentation for the declarative specification is also moved from OpDefinitions.md to Interfaces.md, which is a much more logical place for it to live.
Differential Revision: https://reviews.llvm.org/D92895
LLVM GN Syncbot [Wed, 9 Dec 2020 23:12:27 +0000 (23:12 +0000)]
[gn build] Port
f5d07a05bbd
Krzysztof Parzyszek [Mon, 7 Sep 2020 19:26:48 +0000 (14:26 -0500)]
[Hexagon] Realign HVX vectors wherever possible
Introduce HexagonVectorCombine as a helper class for vector-related
optimizations.
Duncan P. N. Exon Smith [Wed, 9 Dec 2020 22:50:07 +0000 (14:50 -0800)]
clang-format: Migrate createInMemoryFile to FileEntryRef, NFC
Saleem Abdulrasool [Wed, 9 Dec 2020 22:47:50 +0000 (22:47 +0000)]
X86: use a data driven configuration of Windows x86 libcalls (NFC)
Rather than creating a series of associated calls and ensuring that
everything is lined up, use a table driven approach that ensures that
they two always stay in sync.
Nawrin Sultana [Mon, 30 Nov 2020 23:41:53 +0000 (17:41 -0600)]
[OpenMP] Add strict mode in num_tasks and grainsize
This patch adds new API __kmpc_taskloop_5 to accomadate strict
modifier (introduced in OpenMP 5.1) in num_tasks and grainsize
clause.
Differential Revision: https://reviews.llvm.org/D92352
Duncan P. N. Exon Smith [Thu, 5 Nov 2020 17:37:41 +0000 (12:37 -0500)]
Remove RemappedFiles param from ASTUnit::LoadFromASTFile, NFC
This parameter is always set to `None`. Remove it.
Differential Revision: https://reviews.llvm.org/D90889
Matt Morehouse [Wed, 9 Dec 2020 22:29:28 +0000 (14:29 -0800)]
[DFSan] Add custom wrapper for getsockopt.
The wrapper clears shadow for optval and optlen when written.
Reviewed By: stephan.yichao.zhao, vitalybuka
Differential Revision: https://reviews.llvm.org/D92961
Rahul Joshi [Wed, 9 Dec 2020 17:23:30 +0000 (09:23 -0800)]
[MLIR] Minor cleanup for Shape dialect.
- Remove some unused types from the Shape dialect
- Fix from_extent_tensor to only allow 1D index tensors
- Fix assuming_yield to only allow shape.assuming as the parent op.
- Fix some documentation typos and reword some things.
Differential Revision: https://reviews.llvm.org/D92901
Jason Molenda [Wed, 9 Dec 2020 22:12:15 +0000 (14:12 -0800)]
Ignore DBGArchitecture from dsymForUUID's plist
When the architecture from the returned plist differs from the
architecture lldb will pick when loading the binary file, lldb will
reject the binary as not matching. We are working with UUID's in
this case, so an architecture is not disambiguating anything; it
just opens this possibility for failing to load the specified binary.
Stop reading the architecture from the plist.
<rdar://problem/
71612561>
Differential revision: https://reviews.llvm.org/D92692
Duncan P. N. Exon Smith [Fri, 4 Dec 2020 01:32:32 +0000 (17:32 -0800)]
ARCMigrate: Migrate ObjCMT.cpp over to FileEntryRef
Migrate ObjCMT.cpp from using `const FileEntry*` to `FileEntryRef`. This
is one of the blockers for changing `SourceManager` to use
`FileEntryRef`.
This adds an initial version of `SourceManager::getFileEntryRefForID`,
which uses to `FileEntry::getLastRef`; after `SourceManager` switches,
`SourceManager::getFileEntryForID` will need to call this function.
This also adds uses of `FileEntryRef` as a key in a `DenseMap`, and a
call to `hash_value(Optional)` in `DenseMapInfo<EditEntry>`; support for
these were added in prep commits.
Differential Revision: https://reviews.llvm.org/D92678
Peter Collingbourne [Wed, 9 Dec 2020 21:30:52 +0000 (13:30 -0800)]
scudo: Shrink secondary header and cache entry size by a word on Linux. NFCI.
Normally compilers will allocate space for struct fields even if the
field is an empty struct. Use the [[no_unique_address]] attribute to
suppress that behavior. This attribute that was introduced in C++20,
but compilers that do not support [[no_unique_address]] will ignore
it since it uses C++11 attribute syntax.
Differential Revision: https://reviews.llvm.org/D92966
Scott Linder [Wed, 9 Dec 2020 21:20:28 +0000 (21:20 +0000)]
[MC][AMDGPU] Consume EndOfStatement in asm parser
Avoids spurious newlines showing up in the output when emitting assembly
via MC.
Reviewed By: MaskRay, arsenm
Differential Revision: https://reviews.llvm.org/D92690
Craig Topper [Wed, 9 Dec 2020 18:21:40 +0000 (10:21 -0800)]
[X86] Use APInt::isSignedIntN instead of isIntN for 64-bit ANDs in X86DAGToDAGISel::IsProfitableToFold
Pretty sure we meant to be checking signed 32 immediates here
rather than unsigned 32 bit. I suspect I messed this up because
in MathExtras.h we have isIntN and isUIntN so isIntN differs in
signedness depending on whether you're using APInt or plain integers.
This fixes a case where we didn't fold a constant created
by shrinkAndImmediate. Since shrinkAndImmediate doesn't topologically
sort constants it creates, we can fail to convert the Constant
to a TargetConstant. This leads to very strange behavior later.
Fixes PR48458.
Reid Kleckner [Wed, 9 Dec 2020 21:30:22 +0000 (13:30 -0800)]
Avoid a possible one-byte OOB read off of .drectve sections
Pointed out by Ryan Prichard
Tres Popp [Wed, 9 Dec 2020 20:54:58 +0000 (21:54 +0100)]
[mlir] Allow RegionBranchOps in dependence analysis
This is to prevent assertion failures on scf.if and shape.assuming
operations where this is not enough information currently to handle any
aliasing information.
Differential Revision: https://reviews.llvm.org/D92963
Fangrui Song [Wed, 9 Dec 2020 21:31:03 +0000 (13:31 -0800)]
[LLD][gold] Add -plugin-opt=no-new-pass-manager
-DENABLE_EXPERIMENTAL_NEW_PASS_MANAGER=on configured LLD and LLVMgold.so
will use the new pass manager by default. Add an option to
use the legacy pass manager. This will also be used by the Clang driver
when -fno-new-pass-manager (D92915) / -fno-experimental-new-pass-manager is set.
Reviewed By: aeubanks, tejohnson
Differential Revision: https://reviews.llvm.org/D92916
Duncan P. N. Exon Smith [Fri, 4 Dec 2020 20:30:48 +0000 (12:30 -0800)]
Frontend: Migrate to FileEntryRef in CompilerInstance::InitializeSourceManager, NFC
Use `FileManager::getVirtualFileRef` to get the virtual file for stdin,
and add an overload of `SourceManager::overrideFileContents` that takes
a `FileEntryRef`, migrating `CompilerInstance::InitializeSourceManager`.
Differential Revision: https://reviews.llvm.org/D92680
Yuanfang Chen [Wed, 9 Dec 2020 21:10:39 +0000 (13:10 -0800)]
[NFCI] Add missing triple to several LTO tests
Also remove the module triple of clang/test/CodeGenObjC/arc.ll, the
commandline tripe is all it needs.
Scott Linder [Wed, 9 Dec 2020 20:44:20 +0000 (20:44 +0000)]
[AMDGPU][MC] Restore old error position for "too few operands"
Revert part of https://reviews.llvm.org/D92084 to make it simpler to
start consuming the EndOfStatement token within AMDGPU's
ParseInstruction in a future patch. This also brings us back to what
every other target currently does.
A future change to move the position back to the end of the statement
would likely need to audit all of the AMDGPUOperand SMLoc ranges, and
determine the SMLoc for the last character of the last operand.
Reviewed By: dp
Differential Revision: https://reviews.llvm.org/D92960
Matt Morehouse [Wed, 9 Dec 2020 21:07:38 +0000 (13:07 -0800)]
[DFSan] Add custom wrapper for recvmsg.
The wrapper clears shadow for anything written by recvmsg.
Reviewed By: stephan.yichao.zhao
Differential Revision: https://reviews.llvm.org/D92949
Sam Clegg [Wed, 9 Dec 2020 05:47:19 +0000 (21:47 -0800)]
[WebAssembly] Add support for named data sections in wasm binaries
Followup to https://reviews.llvm.org/D91769 which added support
for names globals.
Differential Revision: https://reviews.llvm.org/D92909
Mircea Trofin [Wed, 9 Dec 2020 17:23:38 +0000 (09:23 -0800)]
[NFC] Removed unused prefixes in llvm/test/CodeGen/AArch64
Differential Revision: https://reviews.llvm.org/D92943
Kirill Bobyrev [Wed, 9 Dec 2020 20:40:10 +0000 (21:40 +0100)]
[clangd] NFC: Add client-side logging for remote index requests
Figuring out whether the server is responding and debugging issues with remote
index setup is no easy task: add verbose logging for client side RPC requests
to relieve some pain.
Reviewed By: sammccall
Differential Revision: https://reviews.llvm.org/D92181
Sergei Grechanik [Wed, 9 Dec 2020 19:03:56 +0000 (11:03 -0800)]
[mlir][Affine] Fix vectorizability check for multiple load/stores
This patch fixes a bug that allowed vectorizing of loops with loads and
stores having indexing functions varying along different memory
dimensions.
Reviewed By: aartbik, dcaballe
Differential Revision: https://reviews.llvm.org/D92702
Peyton, Jonathan L [Thu, 3 Dec 2020 18:07:33 +0000 (12:07 -0600)]
[OpenMP] Fix norespect affinity bug for Windows
KMP_AFFINITY=norespect was triggering an error because the underlying
process affinity mask was not updated to include the entire machine.
The Windows documentation states that the thread affinities must be
subsets of the process affinity. This patch also moves the printing
(for KMP_AFFINITY=verbose) of whether the initial mask was respected
out of each topology detection function and to one location where the
initial affinity mask is read.
Differential Revision: https://reviews.llvm.org/D92587
Peyton, Jonathan L [Fri, 4 Dec 2020 16:30:10 +0000 (10:30 -0600)]
[OpenMP] Fix too long name for shm segment on macOS
Remove the user id component to the shm segment name and just use
the pid like before.
Differential Revision: https://reviews.llvm.org/D92660
Gabor Marton [Fri, 27 Nov 2020 07:32:51 +0000 (08:32 +0100)]
[ASTImporter] Support CXXDeductionGuideDecl with local typedef
CXXDeductionGuideDecl with a local typedef has its own copy of the
TypedefDecl with the CXXDeductionGuideDecl as the DeclContext of that
TypedefDecl.
```
template <typename T> struct A {
typedef T U;
A(U, T);
};
A a{(int)0, (int)0};
```
Related discussion on cfe-dev:
http://lists.llvm.org/pipermail/cfe-dev/2020-November/067252.html
Without this fix, when we import the CXXDeductionGuideDecl (via
VisitFunctionDecl) then before creating the Decl we must import the
FunctionType. However, the first parameter's type is the afore mentioned
local typedef. So, we then start importing the TypedefDecl whose
DeclContext is the CXXDeductionGuideDecl itself. The infinite loop is
formed.
```
#0 clang::ASTNodeImporter::VisitCXXDeductionGuideDecl(clang::CXXDeductionGuideDecl*) clang/lib/AST/ASTImporter.cpp:3543:0
#1 clang::declvisitor::Base<std::add_pointer, clang::ASTNodeImporter, llvm::Expected<clang::Decl*> >::Visit(clang::Decl*) /home/egbomrt/WORK/llvm5/build/debug/tools/clang/include/clang/AST/DeclNodes.inc:405:0
#2 clang::ASTImporter::ImportImpl(clang::Decl*) clang/lib/AST/ASTImporter.cpp:8038:0
#3 clang::ASTImporter::Import(clang::Decl*) clang/lib/AST/ASTImporter.cpp:8200:0
#4 clang::ASTImporter::ImportContext(clang::DeclContext*) clang/lib/AST/ASTImporter.cpp:8297:0
#5 clang::ASTNodeImporter::ImportDeclContext(clang::Decl*, clang::DeclContext*&, clang::DeclContext*&) clang/lib/AST/ASTImporter.cpp:1852:0
#6 clang::ASTNodeImporter::ImportDeclParts(clang::NamedDecl*, clang::DeclContext*&, clang::DeclContext*&, clang::DeclarationName&, clang::NamedDecl*&, clang::SourceLocation&) clang/lib/AST/ASTImporter.cpp:1628:0
#7 clang::ASTNodeImporter::VisitTypedefNameDecl(clang::TypedefNameDecl*, bool) clang/lib/AST/ASTImporter.cpp:2419:0
#8 clang::ASTNodeImporter::VisitTypedefDecl(clang::TypedefDecl*) clang/lib/AST/ASTImporter.cpp:2500:0
#9 clang::declvisitor::Base<std::add_pointer, clang::ASTNodeImporter, llvm::Expected<clang::Decl*> >::Visit(clang::Decl*) /home/egbomrt/WORK/llvm5/build/debug/tools/clang/include/clang/AST/DeclNodes.inc:315:0
#10 clang::ASTImporter::ImportImpl(clang::Decl*) clang/lib/AST/ASTImporter.cpp:8038:0
#11 clang::ASTImporter::Import(clang::Decl*) clang/lib/AST/ASTImporter.cpp:8200:0
#12 llvm::Expected<clang::TypedefNameDecl*> clang::ASTNodeImporter::import<clang::TypedefNameDecl>(clang::TypedefNameDecl*) clang/lib/AST/ASTImporter.cpp:165:0
#13 clang::ASTNodeImporter::VisitTypedefType(clang::TypedefType const*) clang/lib/AST/ASTImporter.cpp:1304:0
#14 clang::TypeVisitor<clang::ASTNodeImporter, llvm::Expected<clang::QualType> >::Visit(clang::Type const*) /home/egbomrt/WORK/llvm5/build/debug/tools/clang/include/clang/AST/TypeNodes.inc:74:0
#15 clang::ASTImporter::Import(clang::QualType) clang/lib/AST/ASTImporter.cpp:8071:0
#16 llvm::Expected<clang::QualType> clang::ASTNodeImporter::import<clang::QualType>(clang::QualType const&) clang/lib/AST/ASTImporter.cpp:179:0
#17 clang::ASTNodeImporter::VisitFunctionProtoType(clang::FunctionProtoType const*) clang/lib/AST/ASTImporter.cpp:1244:0
#18 clang::TypeVisitor<clang::ASTNodeImporter, llvm::Expected<clang::QualType> >::Visit(clang::Type const*) /home/egbomrt/WORK/llvm5/build/debug/tools/clang/include/clang/AST/TypeNodes.inc:47:0
#19 clang::ASTImporter::Import(clang::QualType) clang/lib/AST/ASTImporter.cpp:8071:0
#20 llvm::Expected<clang::QualType> clang::ASTNodeImporter::import<clang::QualType>(clang::QualType const&) clang/lib/AST/ASTImporter.cpp:179:0
#21 clang::QualType clang::ASTNodeImporter::importChecked<clang::QualType>(llvm::Error&, clang::QualType const&) clang/lib/AST/ASTImporter.cpp:198:0
#22 clang::ASTNodeImporter::VisitFunctionDecl(clang::FunctionDecl*) clang/lib/AST/ASTImporter.cpp:3313:0
#23 clang::ASTNodeImporter::VisitCXXDeductionGuideDecl(clang::CXXDeductionGuideDecl*) clang/lib/AST/ASTImporter.cpp:3543:0
```
The fix is to first create the TypedefDecl and only then start to import
the DeclContext.
Basically, we could do this during the import of all other Decls (not
just for typedefs). But it seems, there is only one another AST
construct that has a similar cycle: a struct defined as a function
parameter:
```
int struct_in_proto(struct data_t{int a;int b;} *d);
```
In that case, however, we had decided to return simply with an error
back then because that seemed to be a very rare construct.
Differential Revision: https://reviews.llvm.org/D92209
Richard Smith [Wed, 9 Dec 2020 20:13:29 +0000 (12:13 -0800)]
Add another test for PR48434.
Richard Smith [Thu, 12 Nov 2020 01:12:18 +0000 (17:12 -0800)]
Add new 'preferred_name' attribute.
This attribute permits a typedef to be associated with a class template
specialization as a preferred way of naming that class template
specialization. This permits us to specify that (for example) the
preferred way to express 'std::basic_string<char>' is as 'std::string'.
The attribute is applied to the various class templates in libc++ that have
corresponding well-known typedef names.
This is a re-commit. The previous commit was reverted because it exposed
a pre-existing bug that has since been fixed / worked around; see
PR48434.
Differential Revision: https://reviews.llvm.org/D91311
Richard Smith [Wed, 9 Dec 2020 20:04:03 +0000 (12:04 -0800)]
PR48434: Work around crashes due to deserialization cycles via typedefs.
Ensure that we can deserialize a TypedefType even while in the middle of
deserializing its TypedefDecl, by removing the need to look at the
TypedefDecl while constructing the TypedefType.
This fixes all the currently-known failures for PR48434, but it's not a
complete fix, because we can still trigger deserialization cycles, which
are not supposed to happen.
Fangrui Song [Wed, 9 Dec 2020 20:14:00 +0000 (12:14 -0800)]
[ELF] Reorganize "is only supported on" tests and fix some diagnostics
Duncan P. N. Exon Smith [Fri, 4 Dec 2020 22:41:52 +0000 (14:41 -0800)]
Frontend: Migrate to FileEntryRef in VerifyDiagnosticConsumer.cpp, NFC
Add a `FileEntryRef` overload of `SourceManager::translateFile`, and
migrate `ParseDirective` in VerifyDiagnosticConsumer.cpp to use it and
the corresponding overload of `createFileID`.
No functionality change here.
Differential Revision: https://reviews.llvm.org/D92699
Peter Collingbourne [Sat, 5 Dec 2020 08:22:33 +0000 (00:22 -0800)]
scudo: Fix quarantine allocation when MTE enabled.
Quarantines have always been broken when MTE is enabled because the
quarantine batch allocator fails to reset tags that may have been
left behind by a user allocation.
This was only noticed when running the Scudo unit tests with Scudo
as the system allocator because quarantines are turned off by
default on Android and the test binary turns them on by defining
__scudo_default_options, which affects the system allocator as well.
Differential Revision: https://reviews.llvm.org/D92881
Peter Collingbourne [Fri, 4 Dec 2020 23:03:49 +0000 (15:03 -0800)]
scudo: Split setRandomTag in two. NFCI.
Separate the IRG part from the STZG part since we will need to use
the latter on its own for some upcoming changes.
Differential Revision: https://reviews.llvm.org/D92880
Florian Hahn [Wed, 9 Dec 2020 19:39:44 +0000 (19:39 +0000)]
[AArch64] Add aarch64_neon_vcmla{_rot{90,180,270}} intrinsics.
Add builtins required to implement vcmla and rotated variants from
the ACLE
Reviewed By: t.p.northover
Differential Revision: https://reviews.llvm.org/D92929
Jon Chesterfield [Wed, 9 Dec 2020 19:45:20 +0000 (19:45 +0000)]
[libomptarget][amdgpu] clang-format src/rtl.cpp
Michael Munday [Wed, 9 Dec 2020 19:41:19 +0000 (19:41 +0000)]
[RISCV][NFC] Regenerate RISCV CodeGen tests
Regenerated using:
./llvm/utils/update_llc_test_checks.py -u llvm/test/CodeGen/RISCV/*.ll
This has added comments to spill-related instructions and added @plt to
some symbols.
Differential Revision: https://reviews.llvm.org/D92841
Jianzhou Zhao [Mon, 23 Nov 2020 08:33:59 +0000 (08:33 +0000)]
[dfsan] Track field/index-level shadow values in variables
*************
* The problem
*************
See motivation examples in compiler-rt/test/dfsan/pair.cpp. The current
DFSan always uses a 16bit shadow value for a variable with any type by
combining all shadow values of all bytes of the variable. So it cannot
distinguish two fields of a struct: each field's shadow value equals the
combined shadow value of all fields. This introduces an overtaint issue.
Consider a parsing function
std::pair<char*, int> get_token(char* p);
where p points to a buffer to parse, the returned pair includes the next
token and the pointer to the position in the buffer after the token.
If the token is tainted, then both the returned pointer and int ar
tainted. If the parser keeps on using get_token for the rest parsing,
all the following outputs are tainted because of the tainted pointer.
The CL is the first change to address the issue.
**************************
* The proposed improvement
**************************
Eventually all fields and indices have their own shadow values in
variables and memory.
For example, variables with type {i1, i3}, [2 x i1], {[2 x i4], i8},
[2 x {i1, i1}] have shadow values with type {i16, i16}, [2 x i16],
{[2 x i16], i16}, [2 x {i16, i16}] correspondingly; variables with
primary type still have shadow values i16.
***************************
* An potential implementation plan
***************************
The idea is to adopt the change incrementially.
1) This CL
Support field-level accuracy at variables/args/ret in TLS mode,
load/store/alloca still use combined shadow values.
After the alloca promotion and SSA construction phases (>=-O1), we
assume alloca and memory operations are reduced. So if struct
variables do not relate to memory, their tracking is accurate at
field level.
2) Support field-level accuracy at alloca
3) Support field-level accuracy at load/store
These two should make O0 and real memory access work.
4) Support vector if necessary.
5) Support Args mode if necessary.
6) Support passing more accurate shadow values via custom functions if
necessary.
***************
* About this CL.
***************
The CL did the following
1) extended TLS arg/ret to work with aggregate types. This is similar
to what MSan does.
2) implemented how to map between an original type/value/zero-const to
its shadow type/value/zero-const.
3) extended (insert|extract)value to use field/index-level progagation.
4) for other instructions, propagation rules are combining inputs by or.
The CL converts between aggragate and primary shadow values at the
cases.
5) Custom function interfaces also need such a conversion because
all existing custom functions use i16. It is unclear whether custome
functions need more accurate shadow propagation yet.
6) Added test cases for aggregate type related cases.
Reviewed-by: morehouse
Differential Revision: https://reviews.llvm.org/D92261
Jon Chesterfield [Wed, 9 Dec 2020 19:35:34 +0000 (19:35 +0000)]
[libomptarget][amdgpu] Let default number of teams equal number of CUs
Jon Chesterfield [Wed, 9 Dec 2020 19:12:10 +0000 (19:12 +0000)]
[libomptarget][amdgpu] Robust handling of device_environment symbol
Reid Kleckner [Tue, 8 Dec 2020 19:54:11 +0000 (11:54 -0800)]
Don't setup inalloca for swiftcc on i686-windows-msvc
Swiftcall does it's own target-independent argument type classification,
since it is not designed to be ABI compatible with anything local on the
target that isn't LLVM-based. This means it never uses inalloca.
However, we have duplicate logic for checking for inalloca parameters
that runs before call argument setup. This logic needs to know ahead of
time if inalloca will be used later, and we can't move the
CGFunctionInfo calculation earlier.
This change gets the calling convention from either the
FunctionProtoType or ObjCMethodDecl, checks if it is swift, and if so
skips the stackbase setup.
Depends on D92883.
Differential Revision: https://reviews.llvm.org/D92944
Reid Kleckner [Tue, 8 Dec 2020 21:54:34 +0000 (13:54 -0800)]
De-templatify EmitCallArgs argument type checking, NFCI
This template exists to abstract over FunctionPrototype and
ObjCMethodDecl, which have similar APIs for storing parameter types. In
place of a template, use a PointerUnion with two cases to handle this.
Hopefully this improves readability, since the type of the prototype is
easier to discover. This allows me to sink this code, which is mostly
assertions, out of the header file and into the cpp file. I can also
simplify the overloaded methods for computing isGenericMethod, and get
rid of the second EmitCallArgs overload.
Differential Revision: https://reviews.llvm.org/D92883
Raphael Isemann [Wed, 9 Dec 2020 19:02:00 +0000 (20:02 +0100)]
[lldb][NFC] Refactor _get_bool_config_skip_if_decorator
NFC preparation for another patch. Also add some documentation for why the
error value is true (and not false).
Jon Chesterfield [Wed, 9 Dec 2020 18:55:21 +0000 (18:55 +0000)]
[libomptarget][amdgpu] Improve diagnostics on arch mismatch
Justin Bogner [Wed, 9 Dec 2020 18:33:59 +0000 (10:33 -0800)]
Limit the recursion depth of SelectionDAG::isSplatValue()
This method previously always recursively checked both the left-hand
side and right-hand side of binary operations for splatted (broadcast)
vector values to determine if the parent DAG node is a splat.
Like several other SelectionDAG methods, limit the recursion depth to
MaxRecursionDepth (6). This prevents stack overflow.
See also https://issuetracker.google.com/
173785481
Patch by Nicolas Capens. Thanks!
Differential Revision: https://reviews.llvm.org/D92421
Alexey Bader [Wed, 9 Dec 2020 18:01:06 +0000 (21:01 +0300)]
[MCJIT] Add cmake variables to customize ittapi git location and revision.
To support llorg builds this patch provides the following changes:
1) Added cmake variable ITTAPI_GIT_REPOSITORY to control the location of ITTAPI repository.
Default value of ITTAPI_GIT_REPOSITORY is github location: https://github.com/intel/ittapi.git
Also, the separate cmake variable ITTAPI_GIT_TAG was added for repo tag.
2) Added cmake variable ITTAPI_SOURCE_DIR to control the place where the repo will be cloned.
Default value of ITTAPI_SOURCE_DIR is build area: PROJECT_BINARY_DIR
Reviewed By: etyurin, bader
Patch by ekovanov.
Differential Revision: https://reviews.llvm.org/D91935
Arthur Eubanks [Mon, 7 Dec 2020 23:25:43 +0000 (15:25 -0800)]
Reland Pin -loop-reduce to legacy PM
This was accidentally reverted by a later change.
LSR currently only runs in the codegen pass manager.
There are a couple issues with LSR and the NPM.
1) Lots of tests assume that LCSSA isn't run before LSR. This breaks a
bunch of tests' expected output. This is fixable with some time put in.
2) LSR doesn't preserve LCSSA. See
llvm/test/Analysis/MemorySSA/update-remove-deadblocks.ll. LSR's use of
SCEVExpander is the only use of SCEVExpander where the PreserveLCSSA option is
off. Turning it on causes some code sinking out of loops to fail due to
SCEVExpander's inability to handle the newly created trivial PHI nodes in the
broken critical edge (I was looking at
llvm/test/Transforms/LoopStrengthReduce/X86/2011-11-29-postincphi.ll).
I also tried simply just calling formLCSSA() at the end of LSR, but the extra
PHI nodes cause regressions in codegen tests.
We'll delay figuring these issues out until later.
This causes the number of check-llvm failures with -enable-new-pm true
by default to go from 60 to 29.
Reviewed By: asbirlea
Differential Revision: https://reviews.llvm.org/D92796
Fangrui Song [Wed, 9 Dec 2020 17:34:51 +0000 (09:34 -0800)]
[CMake] Add llvm-profgen to LLVM_TEST_DEPENDS
Otherwise `check-llvm-*` may not rebuild llvm-profgen, causing llvm-profgen tests
to fail if llvm-profgen happens to be stale.
Jonas Devlieghere [Tue, 8 Dec 2020 04:59:13 +0000 (20:59 -0800)]
[lldb] Track the API boundary using a thread_local variable.
The reproducers currently use a static variable to track the API
boundary. This is obviously incorrect when the SB API is used
concurrently. While I do not plan to support that use-case (right now),
I do want to avoid us crashing. As a first step, correctly track API
boundaries across multiple threads.
Before this patch SB API calls made by the embedded script interpreter
would be considered "behind the API boundary" and correctly ignored.
After this patch, we need to tell the reproducers to ignore the
scripting thread as a "private thread".
Differential revision: https://reviews.llvm.org/D92811
Arthur Eubanks [Tue, 8 Dec 2020 18:21:17 +0000 (10:21 -0800)]
[COFF][LTO][NPM] Use NPM for LTO with ENABLE_EXPERIMENTAL_NEW_PASS_MANAGER
Reviewed By: hans
Differential Revision: https://reviews.llvm.org/D92866
Mircea Trofin [Tue, 1 Dec 2020 18:00:11 +0000 (10:00 -0800)]
[FileCheck] Enforce --allow-unused-prefixes=false for llvm/test/Transforms
Explicitly opt-out llvm/test/Transforms/Attributor.
Verified by flipping the default value of allow-unused-prefixes and
observing that none of the failures were under llvm/test/Transforms.
Differential Revision: https://reviews.llvm.org/D92404
Sam McCall [Tue, 1 Dec 2020 11:48:41 +0000 (12:48 +0100)]
[clangd] Extract per-dir CDB cache to its own threadsafe class. NFC
This is a step towards making compile_commands.json reloadable.
The idea is:
- in addition to rare CDB loads we're soon going to have somewhat-rare CDB
reloads and fairly-common stat() of files to validate the CDB
- so stop doing all our work under a big global lock, instead using it to
acquire per-directory structures with their own locks
- each directory can be refreshed from disk every N seconds, like filecache
- avoid locking these at all in the most common case: directory has no CDB
Differential Revision: https://reviews.llvm.org/D92381
Louis Dionne [Wed, 9 Dec 2020 14:58:25 +0000 (09:58 -0500)]
[libc++] Run back-deployment CI on macOS 10.15 instead of 10.14
The goal was to add coverage for back-deployment over the filesystem
library, but it was added in macOS 10.15, not 10.14.
Differential Revision: https://reviews.llvm.org/D92937
LLVM GN Syncbot [Wed, 9 Dec 2020 16:19:07 +0000 (16:19 +0000)]
[gn build] Port
b804eef0905
LLVM GN Syncbot [Wed, 9 Dec 2020 16:19:07 +0000 (16:19 +0000)]
[gn build] Port
ac7864ec019
LLVM GN Syncbot [Wed, 9 Dec 2020 16:19:06 +0000 (16:19 +0000)]
[gn build] Port
5934a79196b
Adam Czachorowski [Wed, 9 Dec 2020 15:22:10 +0000 (16:22 +0100)]
[clangd] Split tweak tests into one file per tweak.
No changes to the tests themselves, other than some auto -> const auto
diagnostic fixes and formatting.
Differential Revision: https://reviews.llvm.org/D92939
Kazushi (Jam) Marukawa [Mon, 7 Dec 2020 11:33:20 +0000 (20:33 +0900)]
[VE] Add vsum and vfsum intrinsic instructions
Add vsum and vfsum intrinsic instructions and regression tests.
Reviewed By: simoll
Differential Revision: https://reviews.llvm.org/D92938
Paul C. Anagnostopoulos [Thu, 3 Dec 2020 14:58:37 +0000 (09:58 -0500)]
[TableGen] Cache the vectors of records returned by getAllDerivedDefinitions().
Differential Revision: https://reviews.llvm.org/D92674
Sanjay Patel [Wed, 9 Dec 2020 15:35:12 +0000 (10:35 -0500)]
[VectorCombine] allow peeking through an extractelt when creating a vector load
This is an enhancement to load vectorization that is motivated by
a pattern in https://llvm.org/PR16739.
Unfortunately, it's still not enough to make a difference there.
We will have to handle multi-use cases in some better way to avoid
creating multiple overlapping loads.
Differential Revision: https://reviews.llvm.org/D92858
Roman Lebedev [Wed, 9 Dec 2020 15:04:08 +0000 (18:04 +0300)]
[InstCombine] canonicalizeSaturatedAdd(): last fold is only valid for strict comparison (PR48390)
We could create uadd.sat under incorrect circumstances
if a select with -1 as the false value was canonicalized
by swapping the T/F values. Unlike the other transforms
in the same function, it is not invariant to equality.
Some alive proofs: https://alive2.llvm.org/ce/z/emmKKL
Based on original patch by David Green!
Fixes https://bugs.llvm.org/show_bug.cgi?id=48390
Differential Revision: https://reviews.llvm.org/D92717
Roman Lebedev [Wed, 9 Dec 2020 14:51:32 +0000 (17:51 +0300)]
[NFC][InstCombine] Add test coverage for @llvm.uadd.sat canonicalization
The non-strict variants are already handled because they are canonicalized
to strict variants by swapping hands in both the select and icmp,
and the fold simply considers that strictness is irrelevant here.
But that isn't actually true for the last pattern, as PR48390 reports.
Kazushi (Jam) Marukawa [Mon, 7 Dec 2020 11:17:36 +0000 (20:17 +0900)]
[VE] Add vfmk intrinsic instructions
Add vfmk intrinsic instructions, a few pseudo instructions to expand
vfmk intrinsic using VM512 correctly, and regression tests.
Reviewed By: simoll
Differential Revision: https://reviews.llvm.org/D92758
Yvan Roux [Wed, 9 Dec 2020 14:31:49 +0000 (15:31 +0100)]
[LLD][ELF] Fix typo in relocation-model-pic.ll
Should fix non-x86 bot failures.
Simon Pilgrim [Tue, 8 Dec 2020 18:35:23 +0000 (18:35 +0000)]
[X86] Fold CONCAT(VPERMV3(X,Y,M0),VPERMV3(Z,W,M1)) -> VPERMV3(CONCAT(X,Z),CONCAT(Y,W),CONCAT(M0,M1))
Further prep work toward supporting different subvector sizes in combineX86ShufflesRecursively
Matt Morehouse [Wed, 9 Dec 2020 14:05:12 +0000 (06:05 -0800)]
[DFSan] Add custom wrapper for epoll_wait.
The wrapper clears shadow for any events written.
Reviewed By: stephan.yichao.zhao
Differential Revision: https://reviews.llvm.org/D92891
Muhammad Omair Javaid [Wed, 9 Dec 2020 13:39:40 +0000 (18:39 +0500)]
[LLDB] Temporarily incrase DEFAULT_TIMEOUT on gdbremote_testcase.py
TestLldbGdbServer.py testcases are timing out on LLDB/AArch64 Linux
buildbot since recent changes. I am temporarily increasing
DEFAULT_TIMEOUT to 20 seconds to see impact.
Anton Afanasyev [Tue, 8 Dec 2020 09:51:45 +0000 (12:51 +0300)]
[SLP] Use the width of value truncated just before storing
For stores chain vectorization we choose the size of vector
elements to ensure we fit to minimum and maximum vector register
size for the number of elements given. This patch corrects vector
element size choosing the width of value truncated just before
storing instead of the width of value stored.
Fixes PR46983
Differential Revision: https://reviews.llvm.org/D92824
Djordje Todorovic [Wed, 9 Dec 2020 11:46:30 +0000 (12:46 +0100)]
[Debuginfo] [CSInfo] Do not create CSInfo for undef arguments
If a function parameter is marked as "undef", prevent creation
of CallSiteInfo for that parameter.
Without this patch, the parameter's call_site_value would be incorrect.
The incorrect call_value case reported in PR39716,
addressed in D85111.
Patch by Nikola Tesic
Differential revision: https://reviews.llvm.org/D92471
Kerry McLaughlin [Wed, 9 Dec 2020 11:21:51 +0000 (11:21 +0000)]
[SVE][CodeGen] Add DAG combines for s/zext_masked_gather
This patch adds the following DAGCombines, which apply if isVectorLoadExtDesirable() returns true:
- fold (and (masked_gather x)) -> (zext_masked_gather x)
- fold (sext_inreg (masked_gather x)) -> (sext_masked_gather x)
LowerMGATHER has also been updated to fetch the LoadExtType associated with the
gather and also use this value to determine the correct masked gather opcode to use.
Reviewed By: sdesmalen
Differential Revision: https://reviews.llvm.org/D92230
Sander de Smalen [Tue, 8 Dec 2020 14:20:04 +0000 (14:20 +0000)]
[LoopVectorizer][SVE] Vectorize a simple loop with with a scalable VF.
* Steps are scaled by `vscale`, a runtime value.
* Changes to circumvent the cost-model for now (temporary)
so that the cost-model can be implemented separately.
This can vectorize the following loop [1]:
void loop(int N, double *a, double *b) {
#pragma clang loop vectorize_width(4, scalable)
for (int i = 0; i < N; i++) {
a[i] = b[i] + 1.0;
}
}
[1] This source-level example is based on the pragma proposed
separately in D89031. This patch only implements the LLVM part.
Reviewed By: dmgreen
Differential Revision: https://reviews.llvm.org/D91077
Sander de Smalen [Tue, 8 Dec 2020 14:19:52 +0000 (14:19 +0000)]
[LoopVectorizer] NFC: Remove unnecessary asserts that VF cannot be scalable.
This patch removes a number of asserts that VF is not scalable, even though
the code where this assert lives does nothing that prevents VF being scalable.
Reviewed By: dmgreen
Differential Revision: https://reviews.llvm.org/D91060
Kerry McLaughlin [Wed, 9 Dec 2020 10:49:43 +0000 (10:49 +0000)]
[SVE][CodeGen] Add the ExtensionType flag to MGATHER
Adds the ExtensionType flag, which reflects the LoadExtType of a MaskedGatherSDNode.
Also updated SelectionDAGDumper::print_details so that details of the gather
load (is signed, is scaled & extension type) are printed.
Reviewed By: sdesmalen
Differential Revision: https://reviews.llvm.org/D91084
Christian Sigg [Wed, 9 Dec 2020 10:50:18 +0000 (11:50 +0100)]
[mlir] Use mlir::OpState::operator->() to get to methods of mlir::Operation. This is a preparation step to remove the corresponding methods from OpState.
Reviewed By: silvas, rriddle
Differential Revision: https://reviews.llvm.org/D92878
Joe Ellis [Wed, 9 Dec 2020 11:05:51 +0000 (11:05 +0000)]
[SelectionDAG] Add llvm.vector.{extract,insert} intrinsics
This commit adds two new intrinsics.
- llvm.experimental.vector.insert: used to insert a vector into another
vector starting at a given index.
- llvm.experimental.vector.extract: used to extract a subvector from a
larger vector starting from a given index.
The codegen work for these intrinsics has already been completed; this
commit is simply exposing the existing ISD nodes to LLVM IR.
Reviewed By: cameron.mcinally
Differential Revision: https://reviews.llvm.org/D91362
Cullen Rhodes [Wed, 2 Dec 2020 13:21:00 +0000 (13:21 +0000)]
[IR] Support scalable vectors in CastInst::CreatePointerCast
Reviewed By: sdesmalen
Differential Revision: https://reviews.llvm.org/D92482
Simon Moll [Wed, 9 Dec 2020 10:36:30 +0000 (11:36 +0100)]
[VP] Build VP SDNodes
Translate VP intrinsics to VP_* SDNodes. The tests check whether a
matching vp_* SDNode is emitted.
Reviewed By: craig.topper
Differential Revision: https://reviews.llvm.org/D91441
Alex Zinenko [Tue, 8 Dec 2020 22:22:36 +0000 (23:22 +0100)]
[OpenMPIRBuilder] Put the barrier in the exit block in createWorkshapeLoop
The original code was inserting the barrier at the location given by the
caller. Make sure it is always inserted at the end of the loop exit block
instead.
Reviewed By: Meinersbur
Differential Revision: https://reviews.llvm.org/D92849
Tim Northover [Wed, 9 Dec 2020 10:13:36 +0000 (10:13 +0000)]
AArch64: use correct operand for ubsantrap immediate.
I accidentally pushed the wrong patch originally.
Muhammad Omair Javaid [Wed, 9 Dec 2020 09:57:18 +0000 (14:57 +0500)]
[LLDB] Fix failing test dwp-separate-debug-file.cpp
Fix failure introduced by
843f2dbf003f2a51d0d4ab8cf40647c99ded2e93.
Haojian Wu [Wed, 9 Dec 2020 09:43:01 +0000 (10:43 +0100)]
[lldb] Fix one more failure test after
843f2dbf003f2a51d0d4ab8cf40647c99ded2e93.
Roman Lebedev [Wed, 9 Dec 2020 08:37:52 +0000 (11:37 +0300)]
[NFC][Instructions] Refactor CmpInst::getFlippedStrictnessPredicate() in terms of is{,Non}StrictPredicate()/get{Non,}StrictPredicate()
In particular, this creates getStrictPredicate() method,
to be symmetrical with already-existing getNonStrictPredicate().
Fraser Cormack [Tue, 8 Dec 2020 09:20:28 +0000 (09:20 +0000)]
[RISCV] Fix missing def operand when creating VSETVLI pseudos
The register operand was not being marked as a def when it should be. No tests
for this in the main branch as there are not yet any pseudos without a
non-negative VLIndex.
Also change the type of a virtual register operand from unsigned to Register
and adjust formatting.
Reviewed By: craig.topper
Differential Revision: https://reviews.llvm.org/D92823
Jan Svoboda [Wed, 9 Dec 2020 09:35:07 +0000 (10:35 +0100)]
Revert "[clang][cli] CompilerInvocationTest: add tests for boolean options"
Differential Revision of original patch: https://reviews.llvm.org/D92774
Georgii Rymar [Thu, 3 Dec 2020 14:14:05 +0000 (17:14 +0300)]
[llvm-readelf/obj] - Improve diagnostics when printing NT_FILE notes.
This changes the `printNotesHelper` to report warnings on its side when
there are errors when dumping notes.
With that we can provide more content when reporting warnings about broken notes.
Differential revision: https://reviews.llvm.org/D92636
Frederik Gossen [Tue, 8 Dec 2020 18:34:06 +0000 (19:34 +0100)]
[MLIR] Expose target configuration for lowering to NVVM
Differential Revision: https://reviews.llvm.org/D92871
Georgii Rymar [Fri, 4 Dec 2020 10:23:26 +0000 (13:23 +0300)]
[obj2yaml] - Support dumping objects that have multiple SHT_SYMTAB_SHNDX sections.
It is allowed to have multiple `SHT_SYMTAB_SHNDX` sections, though
we currently don't implement it.
The current implementation assumes that there is a maximum of one SHT_SYMTAB_SHNDX
section and that it is always linked with .symtab section.
This patch drops this limitations.
Differential revision: https://reviews.llvm.org/D92644
Siddhesh Poyarekar [Wed, 9 Dec 2020 08:29:06 +0000 (09:29 +0100)]
Fix typo in llvm/lib/Target/README.txt
Trivial typo, replace __builtin_objectsize with __builtin_object_size.
Differential Revision: https://reviews.llvm.org/D92914
Jeroen Dobbelaere [Wed, 9 Dec 2020 08:59:47 +0000 (00:59 -0800)]
[compiler-rt sanitizer] Use our own PTRACE_GETREGSET if it does not exist.
On RH66 does not support 'PTRACE_GETREGSET'. This change makes this part of compiler-rt build again on older os-es
Reviewed By: vitalybuka
Differential Revision: https://reviews.llvm.org/D91686