Commit Graph

41230 Commits

Author SHA1 Message Date
Eric Christopher 05777ab941 Temporarily Revert "[DebugInfo] Move constructor homing case in shouldOmitDefinition."
as it's causing test failures.

This reverts commit 589ce5f705.
2020-08-24 21:51:31 -07:00
Amy Huang 589ce5f705 [DebugInfo] Move constructor homing case in shouldOmitDefinition.
For some reason the ctor homing case was before the template
specialization case, and could have returned false too early.
I moved the code out into a separate function to avoid this.

Also added a run line to the template specialization test. I guess
all the -debug-info-kind=limited tests should still pass with =constructor,
but it's probably unnecessary to test for all of those.

Differential Revision: https://reviews.llvm.org/D86491
2020-08-24 20:17:59 -07:00
Richard Smith 91604949ef Properly pass modules flags to frontend when using -std=c++20 instead of -std=c++2a.
In passing, also teach the driver to map /std:c++latest to -std=c++20
not -std=c++2a.
2020-08-24 17:49:58 -07:00
Baptiste Saleil 512e256c0d [PowerPC] Add clang options to control MMA support
This patch adds frontend and backend options to enable and disable
the PowerPC MMA operations added in ISA 3.1. Instructions using these
options will be added in subsequent patches.

Differential Revision: https://reviews.llvm.org/D81442
2020-08-24 09:35:55 -05:00
Alexey Bataev bedc841a50 [OPENMP]Fix PR47158, case 3: allow devic_typein nested declare target region.
OpenMP 5.0 supports nested declare target regions. So, in general,it is
allow to mark a declarationas declare target with different device_type
or link type. Patch adds support for such kind of nesting.

Differential Revision: https://reviews.llvm.org/D86239
2020-08-24 09:58:37 -04:00
Raphael Isemann 105151ca56 Reland "Correctly emit dwoIDs after ASTFileSignature refactoring (D81347)"
The orignal patch with the missing 'REQUIRES: asserts' as there is a debug-only
flag used in the test.

Original summary:

D81347 changes the ASTFileSignature to be an array of 20 uint8_t instead of 5
uint32_t. However, it didn't update the code in ObjectFilePCHContainerOperations
that creates the dwoID in the module from the ASTFileSignature
(`Buffer->Signature` being the array subclass that is now `std::array<uint8_t,
20>` instead of `std::array<uint32_t, 5>`).

```
  uint64_t Signature = [..] (uint64_t)Buffer->Signature[1] << 32 | Buffer->Signature[0]
```

This code works with the old ASTFileSignature (where two uint32_t are enough to
fill the uint64_t), but after the patch this only took two bytes from the
ASTFileSignature and only partly filled the Signature uint64_t.

This caused that the dwoID in the module ref and the dwoID in the actual module
no longer match (which in turns causes that LLDB keeps warning about the dwoID's
not matching when debugging -gmodules-compiled binaries).

This patch just unifies the logic for turning the ASTFileSignature into an
uint64_t which makes the dwoID match again (and should prevent issues like that
in the future).

Reviewed By: aprantl, dang

Differential Revision: https://reviews.llvm.org/D84013
2020-08-24 14:52:53 +02:00
Bevin Hansson 577f8b157a [Fixed Point] Add codegen for fixed-point shifts.
This patch adds codegen to Clang for fixed-point shift
operations.

Reviewed By: leonardchan

Differential Revision: https://reviews.llvm.org/D83294
2020-08-24 14:37:16 +02:00
Bevin Hansson 808ac54645 [Fixed Point] Use FixedPointBuilder to codegen fixed-point IR.
This changes the methods in CGExprScalar to use
FixedPointBuilder to generate IR for fixed-point
conversions and operations.

Since FixedPointBuilder emits padded operations slightly
differently than the original code, some tests change.

Reviewed By: leonardchan

Differential Revision: https://reviews.llvm.org/D86282
2020-08-24 14:37:07 +02:00
Haojian Wu 09e7fe9859 [AST][RecoveryAST] Preserve the type by default for recovery expression.
Differential Revision: https://reviews.llvm.org/D82657
2020-08-24 14:28:28 +02:00
Raphael Isemann 2b3074c0d1 Revert "Reland "Correctly emit dwoIDs after ASTFileSignature refactoring (D81347)""
This reverts commit ada2e8ea67. Still breaking
on Fuchsia (and also Fedora) with exit code 1, so back to investigating.
2020-08-24 12:54:25 +02:00
Raphael Isemann ada2e8ea67 Reland "Correctly emit dwoIDs after ASTFileSignature refactoring (D81347)"
This relands D84013 but with a test that relies on less shell features to
hopefully make the test pass on Fuchsia (where the test from the previous patch
version strangely failed with a plain "Exit code 1").

Original summary:

D81347 changes the ASTFileSignature to be an array of 20 uint8_t instead of 5 uint32_t.
However, it didn't update the code in ObjectFilePCHContainerOperations that creates
the dwoID in the module from the ASTFileSignature (`Buffer->Signature` being the
array subclass that is now `std::array<uint8_t, 20>` instead of `std::array<uint32_t, 5>`).

```
  uint64_t Signature = [..] (uint64_t)Buffer->Signature[1] << 32 | Buffer->Signature[0]
```

This code works with the old ASTFileSignature  (where two uint32_t are enough to
fill the uint64_t), but after the patch this only took two bytes from the ASTFileSignature
and only partly filled the Signature uint64_t.

This caused that the dwoID in the module ref and the dwoID in the actual module no
longer match (which in turns causes that LLDB keeps warning about the dwoID's not
matching when debugging -gmodules-compiled binaries).

This patch just unifies the logic for turning the ASTFileSignature into an uint64_t which
makes the dwoID match again (and should prevent issues like that in the future).

Reviewed By: aprantl, dang

Differential Revision: https://reviews.llvm.org/D84013
2020-08-24 11:51:32 +02:00
Simon Pilgrim a1dc3d241b [X86] Enable constexpr on ROTL/ROTR intrinsics (PR31446)
This enables constexpr rotate intrinsics defined in ia32intrin.h, including the MS specific builtins.
2020-08-23 16:11:58 +01:00
Nithin Vadukkumchery Rajendrakumar 55208f5a21 [analyzer] Add modeling for unque_ptr::get()
Summary: Implemented  modeling for get() method in SmartPtrModeling

Reviewers: NoQ, Szelethus, vsavchenko, xazax.hun

Reviewed By: NoQ, xazax.hun

Subscribers: martong, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D86029
2020-08-23 14:50:26 +02:00
Simon Pilgrim f8e0e5db48 [X86] Enable constexpr on _cast fp<-> uint intrinsics (PR31446)
As suggested by @rsmith on PR47267, by replacing the builtin_memcpy bitcast pattern with builtin_bit_cast we can use _castf32_u32, _castu32_f32, _castf64_u64 and _castu64_f64 inside constant expresssions (constexpr). Although __builtin_bit_cast was added for c++20 it works on all clang c/c++ modes.

Differential Revision: https://reviews.llvm.org/D86398
2020-08-23 10:27:46 +01:00
Craig Topper cc7bf9bcbf [X86] Allow 32-bit mode only CPUs with -mtune on 64-bit targets
gcc errors on this, but I'm nervous that since -mtune has been
ignored by clang for so long that there may be code bases out
there that pass 32-bit cpus to clang.
2020-08-22 16:38:05 -07:00
Simon Pilgrim e7d9182a66 Enable constexpr on BITREVERSE builtin intrinsics (PR47249)
This enables us to use the __builtin_bitreverse 8/16/32/64 intrinsics inside constexpr code.

Differential Revision: https://reviews.llvm.org/D86339
2020-08-22 14:43:22 +01:00
Simon Pilgrim 2ceac91ec0 Enable constexpr on ROTATELEFT/ROTATERIGHT builtin intrinsics (PR47249)
This enables us to use the __builtin_rotateleft / __builtin_rotateright 8/16/32/64 intrinsics inside constexpr code.

Differential Revision: https://reviews.llvm.org/D86342
2020-08-22 14:43:21 +01:00
Vaibhav Garg aca191cce1 Re-land 7a527f1777 with fixes.
The original commit was reverted in 58c305f466
due to broken bots. This commit corrects the triple and command line paths.
2020-08-21 14:40:09 -04:00
Aaron Ballman 58c305f466 Revert "Teach AttachPreviousImpl to inherit MSInheritanceAttr attribute"
This reverts commit 7a527f1777.

It caused some buildbot failures:
http://lab.llvm.org:8011/builders/clang-ppc64le-linux-multistage/builds/13600
http://lab.llvm.org:8011/builders/clang-cmake-armv7-quick/builds/20294
2020-08-21 12:42:10 -04:00
Vaibhav Garg 7a527f1777 Teach AttachPreviousImpl to inherit MSInheritanceAttr attribute
This commit teaches ASTDeclReader::attachPreviousDecl to successfully merge
two Decl's when one contains an inheritable attribute like the
MSInheritanceAttr. Usually, attributes that are needed to be present along the
redeclaration chain are attached during ASTReading from
ASTDeclReader::attachPreviousDecl, but no such thing is done for inheritable
attributes. Currently, only the logic for merging MSInheritanceAttr is
provided.
2020-08-21 12:04:43 -04:00
Florian Hahn bc72a3ab94 [Constants] Handle FNeg in getWithOperands.
Currently ConstantExpr::getWithOperands does not handle FNeg and
subsequently treats FNeg as binary operator, leading to an assertion
failure or segmentation fault if built without assertions.

Originally I reproduced this with llvm-dis on a bitcode file, which I
unfortunately cannot share and also cannot really reduce.

But PR45426 describes the same issue and has a reproducer with Clang, so
I'll go with that.

Reviewed By: aprantl

Differential Revision: https://reviews.llvm.org/D86274
2020-08-21 16:50:56 +01:00
Raphael Isemann c1dd5df425 Revert "Correctly emit dwoIDs after ASTFileSignature refactoring (D81347)"
This reverts commit a4c3ed42ba.

The test is curiously failing with a plain exit code 1 on Fuchsia.
2020-08-21 16:08:37 +02:00
Haojian Wu 466590192b [AST][RecoveryExpr] Fix a bogus unused diagnostic when the type is preserved.
Reviewed By: sammccall

Differential Revision: https://reviews.llvm.org/D85716
2020-08-21 15:48:59 +02:00
Raphael Isemann a4c3ed42ba Correctly emit dwoIDs after ASTFileSignature refactoring (D81347)
D81347 changes the ASTFileSignature to be an array of 20 uint8_t instead of 5
uint32_t. However, it didn't update the code in ObjectFilePCHContainerOperations
that creates the dwoID in the module from the ASTFileSignature
(`Buffer->Signature` being the array subclass that is now `std::array<uint8_t,
20>` instead of `std::array<uint32_t, 5>`).

```
  uint64_t Signature = [..] (uint64_t)Buffer->Signature[1] << 32 | Buffer->Signature[0]
```

This code works with the old ASTFileSignature (where two uint32_t are enough to
fill the uint64_t), but after the patch this only took two bytes from the
ASTFileSignature and only partly filled the Signature uint64_t.

This caused that the dwoID in the module ref and the dwoID in the actual module
no longer match (which in turns causes that LLDB keeps warning about the dwoID's
not matching when debugging -gmodules-compiled binaries).

This patch just unifies the logic for turning the ASTFileSignature into an
uint64_t which makes the dwoID match again (and should prevent issues like that
in the future).

Reviewed By: aprantl, dang

Differential Revision: https://reviews.llvm.org/D84013
2020-08-21 15:05:02 +02:00
Simon Pilgrim 9ffc412e1a [X86] Enable constexpr on BITSCAN intrinsics (PR31446)
This enables constexpr BSF/BSR intrinsics defined in ia32intrin.h
2020-08-21 11:44:20 +01:00
Simon Pilgrim c8e6bf0a65 [X86] Enable constexpr on BSWAP intrinsics (PR31446)
This enables constexpr BSWAP intrinsics defined in ia32intrin.h
2020-08-21 10:55:15 +01:00
Simon Pilgrim c6863a4ab8 [X86] Enable constexpr on POPCNT intrinsics (PR31446)
Followup to D86229, this enables constexpr on the alternative (which fallback to generic code) POPCNT intrinsics defined in ia32intrin.h
2020-08-21 10:20:37 +01:00
Qiu Chaofan 91039784b3 [PowerPC] Add readflm/setflm intrinsics to Clang
Commit dbcfbffc adds ppc.readflm and ppc.setflm intrinsics to read or
write FPSCR register. This patch adds them to Clang.

Reviewed By: steven.zhang

Differential Revision: https://reviews.llvm.org/D85874
2020-08-21 15:12:19 +08:00
Gousemoodhin Nadaf fe86dbb32d [clang]: Remove assertion which checks explicit declaration
explicit keyword is declared outside of class is invalid, invalid explicit declaration is handled inside DiagnoseFunctionSpecifiers() function. To avoid compiler crash in case of invalid explicit declaration, remove assertion.

Reviewed By: rsmith

Differential Revision: https://reviews.llvm.org/D83929
2020-08-20 18:15:43 -07:00
Volodymyr Sapsai 7ac737e56b [HeaderSearch] Fix processing #import-ed headers multiple times with modules enabled.
HeaderSearch was marking requested HeaderFileInfo as Resolved only based on
the presence of ExternalSource. As the result, using any module was enough
to set ExternalSource and headers unknown to this module would have
HeaderFileInfo with empty fields, including `isImport = 0`, `NumIncludes = 0`.
Such HeaderFileInfo was preserved without changes regardless of how the
header was used in other modules and caused incorrect result in
`HeaderSearch::ShouldEnterIncludeFile`.

Fix by marking HeaderFileInfo as Resolved only if ExternalSource knows
about this header.

rdar://problem/62126911

Reviewed By: bruno

Differential Revision: https://reviews.llvm.org/D80263
2020-08-20 17:41:28 -07:00
JonChesterfield 3d82c9b696 Fix 32 bit build broken by D85990 by dropping align from filecheck pattern 2020-08-20 23:50:33 +01:00
Richard Smith 038edf6029 Don't reject uses of void-returning consteval functions. 2020-08-20 15:40:09 -07:00
Simon Pilgrim cff0db0876 [X86] Enable constexpr on POPCNT intrinsics (PR31446)
This is a first step patch to enable constexpr support and testing to a large number of x86 intrinsics.

All I've done here is provide a DEFAULT_FN_ATTRS_CONSTEXPR variant to our existing DEFAULT_FN_ATTRS tag approach that adds constexpr on c++ builds. The clang cuda headers do something similar.

I've started with POPCNT mainly as its tiny and are wrappers to generic __builtin_* intrinsics which already act as constexpr.

Differential Revision: https://reviews.llvm.org/D86229
2020-08-20 21:38:04 +01:00
Bevin Hansson 2bac004c90 Add triples to fixed-point tests which lacked them.
This caused failures on clang-x390x-linux.
2020-08-20 15:36:15 +02:00
Adam Czachorowski baeff989b0 [clang] When loading preamble from AST file, re-export modules in Sema.
This addresses a FIXME in ASTReader.

Modules were already re-exported for Preprocessor, but not for Sema.
The result was that, with -fmodules-local-submodule-visibility, all AST
nodes belonging to a module that was loaded in a premable where not
accesible from the main part of the file and a diagnostic recommending
importing those modules would be generated.

Differential Revision: https://reviews.llvm.org/D86069
2020-08-20 14:19:52 +02:00
Bevin Hansson 44ebc2c8eb Refactor most of the fixed-point tests.
The tests were not written with update_cc_test_checks
in mind, which make them difficult to update. Fix this.

Also, some of the consteval tests were outright broken,
since the CHECK lines were wrong.

Other than this, the semantics of the tests are preserved.
2020-08-20 10:30:05 +02:00
Craig Topper 724f570ad2 [X86] Add support 'tune' in target attribute
This adds parsing and codegen support for tune in target attribute.

I've implemented this so that arch in the target attribute implicitly disables tune from the command line. I'm not sure what gcc does here. But since -march implies -mtune. I assume 'arch' in the target attribute implies tune in the target attribute.

Differential Revision: https://reviews.llvm.org/D86187
2020-08-19 15:58:19 -07:00
Craig Topper 4a36711439 [X86] Add mtune command line test cases that should have gone with 4cbceb74bb 2020-08-19 15:58:06 -07:00
Richard Smith c1c1bed5d0 [c++14] Implement missed piece of N3323: use "converted constant" rules
for array bounds, not "integer constant" rules.

For an array bound of class type, this causes us to perform an implicit
conversion to size_t, instead of looking for a unique conversion to
integral or unscoped enumeration type. This affects which cases are
valid when a class has multiple implicit conversion functions to
different types.
2020-08-19 15:45:51 -07:00
Richard Smith 6f33936719 Explain why the array bound is non-constant in VLA diagnostics.
In passing, also use a more precise diagnostic to explain why an
expression is not an ICE if it's not of integral type.
2020-08-19 15:45:51 -07:00
Alexey Bataev fb4acd37fe [OPENMP]Fix PR47158, case 2: do not report host-only functions in unused function in device mode.
If the function is not marked exlicitly as declare target and it calls
function(s), marked as declare target device_type(host), these host-only
functions should not be dignosed as used in device mode, if the caller
function is not used in device mode too.

Differential Revision: https://reviews.llvm.org/D86164
2020-08-19 16:14:33 -04:00
Jon Chesterfield bcaa806a47 [Clang] Fix BZ47169, loader_uninitialized on incomplete types
[Clang] Fix BZ47169, loader_uninitialized on incomplete types

Reported by @erichkeane. Fix proposed by @erichkeane works, tests included.
Bug introduced in D74361. Crash was on querying a CXXRecordDecl for
hasTrivialDefaultConstructor on an incomplete type. Fixed by calling
RequireCompleteType in the right place.

Reviewed By: erichkeane

Differential Revision: https://reviews.llvm.org/D85990
2020-08-19 18:11:50 +01:00
Caroline Concatto 33c554d844 [clang][driver]Add quotation mark in test/fortran.f95 to avoid false positive
If a folder's name, where the test fortran.f95 is running, has cc1 the test
fails because of  CHECK-ASM-NOT: cc1.
The solution used in this patch is to add quotation mark around cc1 and cc1as
because the driver returns these flags with quotation marks ("")

Reviewed By: DavidTruby, echristo

Differential Revision: https://reviews.llvm.org/D86132
2020-08-19 17:54:32 +01:00
Haojian Wu 5b797eb5b4 [AST] Fix a crash on mangling a binding decl from a DeclRefExpr.
Differential Revision: https://reviews.llvm.org/D86130
2020-08-19 09:05:12 +02:00
Yaxun (Sam) Liu a11ab6e04c Fix test hip-target-id.hip
Some build bot has lld in the directory name, which caused pattern match
issue in the list test.
2020-08-19 00:41:14 -04:00
Yaxun (Sam) Liu 7546b29e76 [HIP] Support target id by --offload-arch
This patch introduces support of target id by
-offload-arch.

Differential Revision: https://reviews.llvm.org/D60620
2020-08-18 23:43:53 -04:00
Brad Smith 592b8996bf Hook up OpenBSD 64-bit RISC-V support 2020-08-18 18:59:55 -04:00
Craig Topper 4cbceb74bb [X86] Add basic support for -mtune command line option in clang
Building on the backend support from D85165. This parses the command line option in the driver, passes it on to CC1 and adds a function attribute.

-Still need to support tune on the target attribute.
-Need to use "generic" as the tuning by default. But need to change generic in the backend first.
-Need to set tune if march is specified and mtune isn't.
-May need to disable getHostCPUName's ability to guess CPU name from features when it doesn't have a family/model match for mtune=native. That's what gcc appears to do.

Differential Revision: https://reviews.llvm.org/D85384
2020-08-18 15:13:19 -07:00
Nithin Vadukkumchery Rajendrakumar b34b1e3838 [Analysis] Bug fix for exploded graph branching in evalCall for constructor
Summary:
Make exactly single NodeBuilder exists at any given time

Reviewers: NoQ, Szelethus, vsavchenko, xazax.hun

Reviewed By: NoQ

Subscribers: martong, cfe-commits
Tags: #clang

Differential Revision: https://reviews.llvm.org/D85796
2020-08-19 00:03:31 +02:00
Zequan Wu 84fffa6728 [Coverage] Adjust skipped regions only if {Prev,Next}TokLoc is in the same file as regions' {start, end}Loc
Fix a bug if {Prev, Next}TokLoc is in different file from skipped regions' {start, end}Loc

Differential Revision: https://reviews.llvm.org/D86116
2020-08-18 13:26:19 -07:00