Commit Graph

7133 Commits

Author SHA1 Message Date
Juneyoung Lee f193bcc701 Revert D105169 due to the two-stage failure in ASAN
This reverts the following commits:
37ca7a795b
9aa6c72b92
705387c507
8ca4b3ef19
80dba72a66
2021-10-18 23:52:46 +09:00
Juneyoung Lee 37ca7a795b Fix missing failures in clang-ppc64be* and retry fixing clang-x64-windows-msvc 2021-10-16 16:20:14 +09:00
Juneyoung Lee 9aa6c72b92 Fix lit test failures in clang-ppc* and clang-x64-windows-msvc 2021-10-16 14:33:59 +09:00
Juneyoung Lee 705387c507 Resolve lit failures in clang after 8ca4b3e's land 2021-10-16 13:51:50 +09:00
Juneyoung Lee 8ca4b3ef19 [Clang/Test]: Rename enable_noundef_analysis to disable-noundef-analysis and turn it off by default (2)
This patch updates test files after D105169.
Autogenerated test codes are changed by `utils/update_cc_test_checks.py,` and non-autogenerated test codes are changed as follows:

(1) I wrote a python script that (partially) updates the tests using regex: {F18594904} The script is not perfect, but I believe it gives hints about which patterns are updated to have `noundef` attached.

(2) The remaining tests are updated manually.

Reviewed By: eugenis

Differential Revision: https://reviews.llvm.org/D108453
2021-10-16 12:01:41 +09:00
Zhi An Ng da07942834 [WebAssembly] Add prototype relaxed laneselect instructions
Add i8x16, i16x8, i32x4, i64x2 laneselect instructions. These are only
exposed as builtins, and require user opt-in.
2021-10-15 17:45:09 -07:00
Jinsong Ji 42eea2b69b [AIX] Enable int128 in 64 bit mode
This patch remove the override in AIX target,
so the int128 is enabled in 64 bit mode or with ForceEnableInt128.

Reviewed By: lkail

Differential Revision: https://reviews.llvm.org/D111078
2021-10-15 16:23:04 +00:00
Andrew Savonichev 3dbcea8b95 Reland [clang] Check unsupported types in expressions
This was committed as ec6c847179, but then reverted after a failure
in: https://lab.llvm.org/buildbot/#/builders/84/builds/13983

I was not able to reproduce the problem, but I added an extra check
for a NULL QualType just in case.

Original comit message:

The patch adds missing diagnostics for cases like:

  float F3 = ((__float128)F1 * (__float128)F2) / 2.0f;

Sema::checkDeviceDecl (renamed to checkTypeSupport) is changed to work
with a type without the corresponding ValueDecl. It is also refactored
so that host diagnostics for unsupported types can be added here as
well.

Differential Revision: https://reviews.llvm.org/D109315
2021-10-15 13:55:36 +03:00
David Blaikie f9ad1d1c77 Revert "Compress formatting of array type names (int [4] -> int[4])"
Looks like lldb has some issues with this - somehow it causes lldb to
treat a "char[N]" type as an array of chars (prints them out
individually) but a "char [N]" is printed as a string. (even though the
DWARF doesn't have this string in it - it's something to do with the
string lldb generates for itself using clang)

This reverts commit 277623f4d5.
2021-10-14 14:49:25 -07:00
David Blaikie 277623f4d5 Compress formatting of array type names (int [4] -> int[4])
Based on post-commit review discussion on
2bd8493847 with Richard Smith.

Other uses of forcing HasEmptyPlaceHolder to false seem OK to me -
they're all around pointer/reference types where the pointer/reference
token will appear at the rightmost side of the left side of the type
name, so they make nested types (eg: the "int" in "int *") behave as
though there is a non-empty placeholder (because the "*" is essentially
the placeholder as far as the "int" is concerned).
2021-10-14 14:23:32 -07:00
Kamau Bridgeman 89ec99c778 [PowerPC][Builtin] Allowing __rlwnm to accept a variable as a shift parameter
The builtin __rlwnm is currently constrained to accept only constants
for the shift parameter but the instructions emitted for it have no such
constraint, this patch allows the builtins to accept variable shift.

Reviewed By: NeHuang, amyk

Differential Revision: https://reviews.llvm.org/D111229
2021-10-13 09:40:06 -05:00
Hsiangkai Wang 5158cfef8b [RISCV] After reverting _mt builtins, add `ta` argument for LLVM IR.
Previous patch only reverts C builtins for tail policy. In order to keep
LLVM IR intact, add the `ta` argument in vector builtins.
2021-10-13 19:41:49 +08:00
Hsiangkai Wang 7ccd31c900 Revert "[RISCV] (2/2) Add the tail policy argument to builtins/intrinsics."
This reverts commit 7afa61e718.
2021-10-13 19:41:48 +08:00
Hsiangkai Wang ff3ed78304 Revert "[RISCV] Define _m intrinsics as builtins, instead of macros."
This reverts commit 97f0c63783.

As discussed in https://reviews.llvm.org/D110684, it increased the
compile time and the binary size of clang more than 1%. I reverted
this patch first to think about a better way to do it.
2021-10-13 12:21:51 +08:00
Fangrui Song c2d4fe51bb [X86] Remove little support we had for MPX
GCC 9.1 removed Intel MPX support. Linux kernel removed MPX in 2019.
glibc 2.35 will remove MPX.

Our support is limited: we support assembling of bndmov but not bnd.
Just remove it.

Reviewed By: pengfei, skan

Differential Revision: https://reviews.llvm.org/D111517
2021-10-12 16:18:51 -07:00
jacquesguan 0608bbd4e8 [RISCV] Rename assembler mnemonic of unordered floating-point reductions for v1.0-rc change
Rename vfredsum and vfwredsum to vfredusum and vfwredusum. Add aliases for vfredsum and vfwredsum.

Reviewed By: luismarques, HsiangKai, khchen, frasercrmck, kito-cheng, craig.topper

Differential Revision: https://reviews.llvm.org/D105690
2021-10-12 06:46:46 +00:00
Yonghong Song a162b67c98 [Clang][Attr] rename btf_tag to btf_decl_tag
Current btf_tag is applied to declaration only.
Per discussion in https://reviews.llvm.org/D111199,
we plan to introduce btf_type_tag attribute for types.
So rename btf_tag to btf_decl_tag to make it easily
differentiable from btf_type_tag.

Differential Revision: https://reviews.llvm.org/D111588
2021-10-11 22:17:17 -07:00
Hsiangkai Wang 97f0c63783 [RISCV] Define _m intrinsics as builtins, instead of macros.
In the original design, we levarage _mt intrinsics to define macros for
_m intrinsics. Such as,

```
__builtin_rvv_vadd_vv_i8m1_mt((vbool8_t)(op0), (vint8m1_t)(op1), (vint8m1_t)(op2), (vint8m1_t)(op3), (size_t)(op4), (size_t)VE_TAIL_AGNOSTIC)
```

However, we could not define generic interface for mask intrinsics any
more due to clang_builtin_alias only accepts clang builtins as its
argument.

In the example,

```
 __rvv_overloaded
 __attribute__((clang_builtin_alias(__builtin_rvv_vadd_vv_i8m1_mt)))
  vint8m1_t vadd(vbool8_t op0, vint8m1_t op1, vint8m1_t op2, vint8m1_t
  op3, size_t op4, size_t op5);
```

op5 is the tail policy argument. When users want to use vadd generic
interface for masked vector add, they need to specify tail policy in the
previous design. In this patch, we define _m intrinsics as clang
builtins to solve the problem.

Differential Revision: https://reviews.llvm.org/D110684
2021-10-12 10:47:55 +08:00
Chris Bieneman 121b2252de AddGlobalAnnotations for function with or without function body.
When AnnotateAttr is on a function, AddGlobalAnnotations is only called
in CodeGenModule::EmitGlobalFunctionDefinition which means AnnotateAttr
on function declaration without function body will be ignored.
The patch will move AddGlobalAnnotations  to
CodeGenModule::SetFunctionAttributes, so with or without function body,
the AnnotateAttr will get code gen for a function.

It'll help case when AnnotateAttr is on external function, and the
AnnotateAttr will be consumed in IR level.

For example, a pass to collect num of uses for functions with
__attribute((annotate("count_use"))) after optimizations,
As long as there's __attribute((annotate("count_use"))), function with
or without function body should be counted.

Reviewed By: aaron.ballman

Differential Revision: https://reviews.llvm.org/D111109

Patch by:  python3kgae (Xiang Li)
2021-10-11 14:50:34 -05:00
Hans Wennborg 774388241e [MS compat] Handle #pragma fenv_access like #pragma STDC FENV_ACCESS (PR50694)
This adds support for the MSVC spelling of the pragma in -fms-extensions
mode.

Differential revision: https://reviews.llvm.org/D111440
2021-10-11 17:07:26 +02:00
Qiu Chaofan 2fc0d439a4 [Clang] [PowerPC] Fix header include typo in smmintrin.h
The SSE4 header (smmintrin.h) should include SSSE3 (tmmintrin.h) instead
of SSE2 (emmintrin.h).

Reviewed By: jsji

Differential Revision: https://reviews.llvm.org/D111482
2021-10-11 10:44:08 +08:00
Qiu Chaofan 85e565898f [Clang] Enable _Complex __ibm128 type
fae0dfa implemented the new __ibm128 type, this patch enables its
complex form.

Reviewed By: rjmccall

Differential Revision: https://reviews.llvm.org/D109948
2021-10-09 10:48:44 +08:00
Aditya Kumar 0f00aa502d Add no_instrument_function attribute to Objective C methods as well
There are functions where we do not want function instrumentation which is why we have `__attribute__((no_instrument_function))`. Extending this functionality to disable instrumentation for Objective-C methods as well. Objective C methods like `+load` run premain and having instrumentation on them causes runtime errors depending on the implementation of `__cyg_profile_func_enter` etc. functions

Reviewed By: rjmccall, aaron.ballman

Differential Revision: https://reviews.llvm.org/D111286
2021-10-08 17:54:44 -07:00
Arthur Eubanks a6891d2104 [clang] Set max allowed alignment to 2^32
Followup to D110451 which set LLVM's max allowed alignment to 2^32.

Reviewed By: hans

Differential Revision: https://reviews.llvm.org/D111250
2021-10-08 11:44:15 -07:00
Masoud Ataei b0f68791f0 [clang] Option control afn flag
Clang option to set/unset afn fast-math flag.

 Differential: https://reviews.llvm.org/D106191
 Reviewd with: aaron.ballman, erichkeane, and others
2021-10-08 14:26:14 -04:00
Keith Smiley 68e49aea9a Revert "[clang] Fix absolute file paths with -fdebug-prefix-map"
This reverts commit a23a596793.

This broke a windows test https://buildkite.com/llvm-project/premerge-checks/builds/59492#7dad207c-6cbe-40ad-95e4-c48b47fe2527

Differential Revision: https://reviews.llvm.org/D111444
2021-10-08 10:39:44 -07:00
Keith Smiley a23a596793 [clang] Fix absolute file paths with -fdebug-prefix-map
Previously if you passed an absolute path to clang, where only part of
the path to the file was remapped, it would result in the file's DIFile
being stored with a duplicate path, for example:

```
!DIFile(filename: "./ios/Sources/bar.c", directory: "./ios/Sources")
```

This change handles absolute paths, specifically in the case they are
remapped to something relative, and uses the dirname for the directory,
and basename for the filename.

This also adds a test verifying this behavior for more standard uses as
well.

Differential Revision: https://reviews.llvm.org/D111352
2021-10-08 10:35:17 -07:00
Wang, Pengfei c0f9c7c015 [X86] Check if struct is blank before getting the inner types
This fixes pr52011.

Reviewed By: LuoYuanke

Differential Revision: https://reviews.llvm.org/D111037
2021-10-08 17:09:34 +08:00
David Blaikie f6a561c4d6 DebugInfo: Use clang's preferred names for integer types
This reverts c7f16ab3e3 / r109694 - which
suggested this was done to improve consistency with the gdb test suite.
Possible that at the time GCC did not canonicalize integer types, and so
matching types was important for cross-compiler validity, or that it was
only a case of over-constrained test cases that printed out/tested the
exact names of integer types.

In any case neither issue seems to exist today based on my limited
testing - both gdb and lldb canonicalize integer types (in a way that
happens to match Clang's preferred naming, incidentally) and so never
print the original text name produced in the DWARF by GCC or Clang.

This canonicalization appears to be in `integer_types_same_name_p` for
GDB and in `TypeSystemClang::GetBasicTypeEnumeration` for lldb.

(I tested this with one translation unit defining 3 variables - `long`,
`long (*)()`, and `int (*)()`, and another translation unit that had
main, and a function that took `long (*)()` as a parameter - then
compiled them with mismatched compilers (either GCC+Clang, or
Clang+(Clang with this patch applied)) and no matter the combination,
despite the debug info for one CU naming the type "long int" and the
other naming it "long", both debuggers printed out the name as "long"
and were able to correctly perform overload resolution and pass the
`long int (*)()` variable to the `long (*)()` function parameter)

Did find one hiccup, identified by the lldb test suite - that CodeView
was relying on these names to map them to builtin types in that format.
So added some handling for that in LLVM. (these could be split out into
separate patches, but seems small enough to not warrant it - will do
that if there ends up needing any reverti/revisiting)

Differential Revision: https://reviews.llvm.org/D110455
2021-10-06 16:02:34 -07:00
Arthur Eubanks 05392466f0 Reland [IR] Increase max alignment to 4GB
Currently the max alignment representable is 1GB, see D108661.
Setting the align of an object to 4GB is desirable in some cases to make sure the lower 32 bits are clear which can be used for some optimizations, e.g. https://crbug.com/1016945.

This uses an extra bit in instructions that carry an alignment. We can store 15 bits of "free" information, and with this change some instructions (e.g. AtomicCmpXchgInst) use 14 bits.
We can increase the max alignment representable above 4GB (up to 2^62) since we're only using 33 of the 64 values, but I've just limited it to 4GB for now.

The one place we have to update the bitcode format is for the alloca instruction. It stores its alignment into 5 bits of a 32 bit bitfield. I've added another field which is 8 bits and should be future proof for a while. For backward compatibility, we check if the old field has a value and use that, otherwise use the new field.

Updating clang's max allowed alignment will come in a future patch.

Reviewed By: hans

Differential Revision: https://reviews.llvm.org/D110451
2021-10-06 13:29:23 -07:00
Arthur Eubanks 569346f274 Revert "Reland [IR] Increase max alignment to 4GB"
This reverts commit 8d64314ffe.
2021-10-06 11:38:11 -07:00
Arthur Eubanks 8d64314ffe Reland [IR] Increase max alignment to 4GB
Currently the max alignment representable is 1GB, see D108661.
Setting the align of an object to 4GB is desirable in some cases to make sure the lower 32 bits are clear which can be used for some optimizations, e.g. https://crbug.com/1016945.

This uses an extra bit in instructions that carry an alignment. We can store 15 bits of "free" information, and with this change some instructions (e.g. AtomicCmpXchgInst) use 14 bits.
We can increase the max alignment representable above 4GB (up to 2^62) since we're only using 33 of the 64 values, but I've just limited it to 4GB for now.

The one place we have to update the bitcode format is for the alloca instruction. It stores its alignment into 5 bits of a 32 bit bitfield. I've added another field which is 8 bits and should be future proof for a while. For backward compatibility, we check if the old field has a value and use that, otherwise use the new field.

Updating clang's max allowed alignment will come in a future patch.

Reviewed By: hans

Differential Revision: https://reviews.llvm.org/D110451
2021-10-06 11:03:51 -07:00
Albion Fung 13d3cd37e2 [PowerPC] Implement vector float and vector double version for vec_orc builtin
The builtin for vec_orc has support for the following two signatures,
but currently the compiler marks it ambiguous:
vector float vec_orc(vector float, vector float)
vector double vec_orc(vector double, vector double)

This patch implements these two builtins.

Differential revision: https://reviews.llvm.org/D110858
2021-10-06 02:47:42 -05:00
Amy Huang c7104e5066 [Sema] Allow comparisons between different ms ptr size address space types.
We're currently using address spaces to implement __ptr32/__ptr64 attributes;
this patch fixes a bug where clang doesn't allow types with different pointer
size attributes to be compared.

Fixes https://bugs.llvm.org/show_bug.cgi?id=51889

Differential Revision: https://reviews.llvm.org/D110670
2021-10-05 10:56:29 -07:00
Hsiangkai Wang 80a6456306 [RISCV] Update to vlm.v and vsm.v according to v1.0-rc1.
vle1.v  -> vlm.v
vse1.v  -> vsm.v

Reviewed By: craig.topper

Differential Revision: https://reviews.llvm.org/D106044
2021-10-05 21:49:54 +08:00
Kamau Bridgeman 8737c74fab [PowerPC][MMA] Allow MMA builtin types in pre-P10 compilation units
This patch allows the use of __vector_quad and __vector_pair, PPC MMA builtin
types, on all PowerPC 64-bit compilation units. When these types are
made available the builtins that use them automatically become available
so semantic checking for mma and pair vector memop __builtins is also
expanded to ensure these builtin function call are only allowed on
Power10 and new architectures. All related test cases are updated to
ensure test coverage.

Reviewed By: #powerpc, nemanjai

Differential Revision: https://reviews.llvm.org/D109599
2021-10-05 07:59:32 -05:00
serge-sans-paille 0f0e31cf51 Update inline builtin handling to honor gnu inline attribute
Per the GCC info page:

    If the function is declared 'extern', then this definition of the
    function is used only for inlining.  In no case is the function
    compiled as a standalone function, not even if you take its address
    explicitly.  Such an address becomes an external reference, as if
    you had only declared the function, and had not defined it.

Respect that behavior for inline builtins: keep the original definition, and
generate a copy of the declaration suffixed by '.inline' that's only referenced
in direct call.

This fixes holes in c3717b6858.

Differential Revision: https://reviews.llvm.org/D111009
2021-10-04 22:26:25 +02:00
Kamau Bridgeman 8328966520 [PowerPC] Fix to guard fetch and cas 64-bit builtin versions
The builtins: `__compare_and_swaplp`, `__fetch_and_addlp`,
` __fetch_and_andlp`, `__fetch_and_orlp`, `__fetch_and_swaplp` are
64 bit only. This patch ensures the compiler produces an error in 32 bit mode.

Reviewed By: #powerpc, nemanjai

Differential Revision: https://reviews.llvm.org/D110824
2021-10-04 14:45:36 -05:00
Lei Huang 8b3d944a97 [PowerPC] Disable vector types when not supported by subtarget features
Update clang to treat vector unsigned long long and friends as invalid
for AltiVec without VSX.

Reported in: https://bugs.llvm.org/show_bug.cgi?id=47782

Reviewed By: nemanjai, amyk

Differential Revision: https://reviews.llvm.org/D109178
2021-10-04 14:16:47 -05:00
Stefan Pintilie 4fc2f4979c [PowerPC] Fix __builtin_ppc_load2r to return short instead of int.
This patch fixes the return value of the builtin __builtin_ppc_load2r to
correctly return short instead of int.

Reviewed By: nemanjai, #powerpc

Differential Revision: https://reviews.llvm.org/D110771
2021-10-04 06:17:02 -05:00
Hsiangkai Wang c274384cff [NFC][RISCV] Update test cases through update_cc_test_checks.py. 2021-10-03 15:44:06 +08:00
Nemanja Ivanovic 369d785574 [PowerPC] Optimal sequence for doubleword vec_all_{eq|ne} on Power7
These builtins produce inefficient code for CPU's prior to Power8
due to vcmpequd being unavailable. The predicate forms can actually
leverage the available vcmpequw along with xxlxor to produce a better
sequence.
2021-10-01 08:27:15 -05:00
Albion Fung 29bb877499 [PowerPC] Fix lharx and lbarx builtin signatures
The signatures for the PowerPC builtins lharx and
lbarx are incorrect, and causes issues when used in a function
that requires the return of the builtin to be promoted.
This patch fixes these signatures.

Differential revision: https://reviews.llvm.org/D110273
2021-09-30 22:36:13 -05:00
Jessica Clarke 986607896f
[NFC][clang] Add newline to end of 2005-01-02-ConstantInits.c
This was removed in a18181931f.
2021-09-29 20:47:31 +01:00
Quinn Pham 67a3d1e275 [PowerPC] swdiv builtins for XL compatibility
This patch is in a series of patches to provide builtins for compatibility with
the XL compiler. This patch implements the software divide builtin as
wrappers for a floating point divide. XL provided these builtins because it
didn't produce software estimates by default at `-Ofast`. When compiled
with `-Ofast` these builtins will produce the software estimate for divide.

Reviewed By: #powerpc, nemanjai

Differential Revision: https://reviews.llvm.org/D106959
2021-09-29 11:31:07 -05:00
Nemanja Ivanovic 09b67aa1c3 [PowerPC] Implement builtin for vbpermd
The instruction has similar semantics to vbpermq but for doublewords.
It was added in Power9 and the ABI documents the builtin.

Differential revision: https://reviews.llvm.org/D107899
2021-09-29 06:34:31 -05:00
Nemanja Ivanovic c9539f957f [PowerPC] Define XL-compatible macros only for AIX and Linux
Since XLC only ever shipped on PowerPC AIX and Linux, it is not reasonable to
provide the compatibility macros on any target other than those two. This patch
restricts those macros to AIX/Linux.

Differential revision: https://reviews.llvm.org/D110213
2021-09-29 06:14:45 -05:00
Arthur Eubanks aa53785f23 Reland [clang] Rework dontcall attributes
To avoid using the AST when emitting diagnostics, split the "dontcall"
attribute into "dontcall-warn" and "dontcall-error", and also add the
frontend attribute value as the LLVM attribute value. This gives us all
the information to report diagnostics we need from within the IR (aside
from access to the original source).

One downside is we directly use LLVM's demangler rather than using the
existing Clang diagnostic pretty printing of symbols.

Previous revisions didn't properly declare the new dependencies.

Reviewed By: nickdesaulniers

Differential Revision: https://reviews.llvm.org/D110364
2021-09-28 15:31:30 -07:00
Arthur Eubanks 7833d20f1f Revert "[clang] Rework dontcall attributes"
This reverts commit 2943071e2e.

Breaks bots
2021-09-28 14:49:27 -07:00
Arthur Eubanks 2943071e2e [clang] Rework dontcall attributes
To avoid using the AST when emitting diagnostics, split the "dontcall"
attribute into "dontcall-warn" and "dontcall-error", and also add the
frontend attribute value as the LLVM attribute value. This gives us all
the information to report diagnostics we need from within the IR (aside
from access to the original source).

One downside is we directly use LLVM's demangler rather than using the
existing Clang diagnostic pretty printing of symbols.

Reviewed By: nickdesaulniers

Differential Revision: https://reviews.llvm.org/D110364
2021-09-28 14:21:10 -07:00