41 Commits

Author SHA1 Message Date
Heejin Ahn
b29d4ba62f [WebAssembly] Rename except_ref type to exnref
Summary:
We agreed to rename `except_ref` to `exnref` for consistency with other
reference types in
https://github.com/WebAssembly/exception-handling/issues/79. This also
renames WebAssemblyInstrExceptRef.td to WebAssemblyInstrRef.td in order
to use the file for other reference types in future.

Reviewers: dschuff

Subscribers: sbc100, jgravelle-google, hiraditya, sunfish, jfb, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D64703

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@366145 91177308-0d34-0410-b5e6-96231b3b80d8
2019-07-15 22:49:25 +00:00
Tom Stellard
9f6eb4ee41 Revert CMake: Make most target symbols hidden by default
This reverts r362990 (git commit 374571301dc8e9bc9fdd1d70f86015de198673bd)

This was causing linker warnings on Darwin:

ld: warning: direct access in function 'llvm::initializeEvexToVexInstPassPass(llvm::PassRegistry&)'
from file '../../lib/libLLVMX86CodeGen.a(X86EvexToVex.cpp.o)' to global weak symbol
'void std::__1::__call_once_proxy<std::__1::tuple<void* (&)(llvm::PassRegistry&),
std::__1::reference_wrapper<llvm::PassRegistry>&&> >(void*)' from file '../../lib/libLLVMCore.a(Verifier.cpp.o)'
means the weak symbol cannot be overridden at runtime. This was likely caused by different translation
units being compiled with different visibility settings.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@363028 91177308-0d34-0410-b5e6-96231b3b80d8
2019-06-11 03:21:13 +00:00
Tom Stellard
2cda3f1ac0 CMake: Make most target symbols hidden by default
Summary:
For builds with LLVM_BUILD_LLVM_DYLIB=ON and BUILD_SHARED_LIBS=OFF
this change makes all symbols in the target specific libraries hidden
by default.

A new macro called LLVM_EXTERNAL_VISIBILITY has been added to mark symbols in these
libraries public, which is mainly needed for the definitions of the
LLVMInitialize* functions.

This patch reduces the number of public symbols in libLLVM.so by about
25%.  This should improve load times for the dynamic library and also
make abi checker tools, like abidiff require less memory when analyzing
libLLVM.so

One side-effect of this change is that for builds with
LLVM_BUILD_LLVM_DYLIB=ON and LLVM_LINK_LLVM_DYLIB=ON some unittests that
access symbols that are no longer public will need to be statically linked.

Before and after public symbol counts (using gcc 8.2.1, ld.bfd 2.31.1):
nm before/libLLVM-9svn.so | grep ' [A-Zuvw] ' | wc -l
36221
nm after/libLLVM-9svn.so | grep ' [A-Zuvw] ' | wc -l
26278

Reviewers: chandlerc, beanz, mgorny, rnk, hans

Reviewed By: rnk, hans

Subscribers: Jim, hiraditya, michaelplatings, chapuni, jholewinski, arsenm, dschuff, jyknight, dylanmckay, sdardis, nemanjai, jvesely, nhaehnle, javed.absar, sbc100, jgravelle-google, aheejin, kbarton, fedor.sergeev, asb, rbar, johnrusso, simoncook, apazos, sabuasal, niosHD, jrtc27, zzheng, edward-jones, mgrang, atanasyan, rogfer01, MartinMosbeck, brucehoult, the_o, PkmX, jocewei, kristina, jsji, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D54439

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@362990 91177308-0d34-0410-b5e6-96231b3b80d8
2019-06-10 22:12:56 +00:00
Richard Trieu
28408b9150 [WebAssembly] Create a TargetInfo header. NFC
Move the declarations of getThe<Name>Target() functions into a new header in
TargetInfo and make users of these functions include this new header.
This fixes a layering problem.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@360735 91177308-0d34-0410-b5e6-96231b3b80d8
2019-05-15 01:03:00 +00:00
David L. Jones
a2f8fdc38e [WebAssembly] Move InstPrinter files to MCTargetDesc. NFC
For some targets, there is a circular dependency between InstPrinter and
MCTargetDesc. Merging them together will fix this. For the other targets,
the merging is to maintain consistency so all targets will have the same
structure.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@360550 91177308-0d34-0410-b5e6-96231b3b80d8
2019-05-13 03:32:41 +00:00
Heejin Ahn
9ac1c04558 [WebAssembly] clang-tidy (NFC)
Summary:
This patch fixes clang-tidy warnings on wasm-only files.
The list of checks used is:
`-*,clang-diagnostic-*,llvm-*,misc-*,-misc-unused-parameters,readability-identifier-naming,modernize-*`
(LLVM's default .clang-tidy list is the same except it does not have
`modernize-*`. But I've seen in multiple CLs in LLVM the modernize style
was recommended and code was fixed based on the style, so I added it as
well.)

The common fixes are:
- Variable names start with an uppercase letter
- Function names start with a lowercase letter
- Use `auto` when you use casts so the type is evident
- Use inline initialization for class member variables
- Use `= default` for empty constructors / destructors
- Use `using` in place of `typedef`

Reviewers: sbc100, tlively, aardappel

Subscribers: dschuff, sunfish, jgravelle-google, yurydelendik, kripken, MatzeB, mgorny, rupprecht, llvm-commits

Differential Revision: https://reviews.llvm.org/D57500

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@353075 91177308-0d34-0410-b5e6-96231b3b80d8
2019-02-04 19:13:39 +00:00
Chandler Carruth
6b547686c5 Update the file headers across all of the LLVM projects in the monorepo
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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351636 91177308-0d34-0410-b5e6-96231b3b80d8
2019-01-19 08:50:56 +00:00
Heejin Ahn
6c7679509f [WebAssembly] Add null streamer support
Summary: Now `llc -filetype=null` works.

Reviewers: eush

Subscribers: dschuff, jgravelle-google, sbc100, sunfish, llvm-commits

Differential Revision: https://reviews.llvm.org/D54660

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@347155 91177308-0d34-0410-b5e6-96231b3b80d8
2018-11-18 11:58:47 +00:00
Thomas Lively
a22a6f2e1b [WebAssembly] Add V128 value type to binary format
Summary: Adds the necessary support to lib/ObjectYAML and fixes SIMD
calls to allow the tests to work. Also removes some dead code that
would otherwise have to have been updated.

Reviewers: aheejin, dschuff, sbc100

Subscribers: jgravelle-google, sunfish, llvm-commits

Differential Revision: https://reviews.llvm.org/D52105

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@342689 91177308-0d34-0410-b5e6-96231b3b80d8
2018-09-20 22:04:44 +00:00
Heejin Ahn
581d231e61 [WebAssembly] clang-format (NFC)
Summary: This patch runs clang-format on all wasm-only files.

Reviewers: aardappel, dschuff, sunfish, tlively

Subscribers: MatzeB, sbc100, jgravelle-google, llvm-commits

Differential Revision: https://reviews.llvm.org/D51447

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@341439 91177308-0d34-0410-b5e6-96231b3b80d8
2018-09-05 01:27:38 +00:00
Sam Clegg
2a147a1507 [WebAssembly] Remove ELF file support.
This support was partial and temporary.  Now that we have
wasm object file support its no longer needed.

Differential Revision: https://reviews.llvm.org/D48744

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@337222 91177308-0d34-0410-b5e6-96231b3b80d8
2018-07-16 23:09:29 +00:00
Adrian Prantl
26b584c691 Remove \brief commands from doxygen comments.
We've been running doxygen with the autobrief option for a couple of
years now. This makes the \brief markers into our comments
redundant. Since they are a visual distraction and we don't want to
encourage more \brief markers in new code either, this patch removes
them all.

Patch produced by

  for i in $(git grep -l '\\brief'); do perl -pi -e 's/\\brief //g' $i & done

Differential Revision: https://reviews.llvm.org/D46290

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@331272 91177308-0d34-0410-b5e6-96231b3b80d8
2018-05-01 15:54:18 +00:00
Heejin Ahn
df76a89533 [WebAssembly] Add except_ref as a first-class type
Summary: Add except_ref as a first-class type, according to the [[https://github.com/WebAssembly/exception-handling/blob/master/proposals/Level-1.md | Level 1 exception handling proposal ]].

Reviewers: dschuff

Subscribers: jfb, sbc100, llvm-commits

Differential Revision: https://reviews.llvm.org/D43706

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@326985 91177308-0d34-0410-b5e6-96231b3b80d8
2018-03-08 04:05:37 +00:00
Alex Bradbury
f3040d7ba0 Fix build of WebAssembly and AVR backends after r321692
As experimental backends, I didn't have them configured to build in my local 
build config.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321696 91177308-0d34-0410-b5e6-96231b3b80d8
2018-01-03 09:30:39 +00:00
Daniel Jasper
dfd6a10efb Fix WebAssembly target after r309911.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@309922 91177308-0d34-0410-b5e6-96231b3b80d8
2017-08-03 05:15:53 +00:00
Sam Clegg
46016f24b4 [WebAssembly] Use __stack_pointer global when writing wasm binary
This ensures that symbolic relocations are generated for stack
pointer manipulations.

These relocations are of type R_WEBASSEMBLY_GLOBAL_INDEX_LEB.
This change also adds support for reading relocations of this
type in WasmObjectFile.cpp.

Since its a globally imported symbol this does mean that
the get_global/set_global instruction won't be valid until
the objects are linked that global used in no longer an
imported global.

Differential Revision: https://reviews.llvm.org/D34172

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@305616 91177308-0d34-0410-b5e6-96231b3b80d8
2017-06-16 23:59:10 +00:00
Derek Schuff
25754c1409 [WebAssembly] Use LEB encoding for value types
Previously we were using the encoded LEB hex values
for the value types.  This change uses the decoded
negative value and the LEB encoder to write them out.

Differential Revision: https://reviews.llvm.org/D30847

Patch by Sam Clegg

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@297777 91177308-0d34-0410-b5e6-96231b3b80d8
2017-03-14 20:23:22 +00:00
Dan Gohman
d660a5d68c [WebAssembly] Add skeleton MC support for the Wasm container format
This just adds the basic skeleton for supporting a new object file format.
All of the actual encoding will be implemented in followup patches.

Differential Revision: https://reviews.llvm.org/D26722


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@295803 91177308-0d34-0410-b5e6-96231b3b80d8
2017-02-22 01:23:18 +00:00
Dan Gohman
897444660d [WebAssembly] Pass an MCContext to WebAssemblyMCCodeEmitter. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@294679 91177308-0d34-0410-b5e6-96231b3b80d8
2017-02-10 00:14:42 +00:00
Dan Gohman
01b89435ec [WebAssembly] Implement more WebAssembly binary encoding.
This changes locals from being declared by the emitLocal hook in
WebAssemblyTargetStreamer, rather than with an instruction. After exploring
the infastructure in LLVM more, this seems to make more sense since
declaring locals doesn't use an encoded opcode.

This also adds more 0xd opcodes, type encodings, and miscellaneous
binary encoding bits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@285040 91177308-0d34-0410-b5e6-96231b3b80d8
2016-10-24 23:27:49 +00:00
Mehdi Amini
ae5f5d3d3c Move the global variables representing each Target behind accessor function
This avoids "static initialization order fiasco"

Differential Revision: https://reviews.llvm.org/D25412

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@283702 91177308-0d34-0410-b5e6-96231b3b80d8
2016-10-09 23:00:34 +00:00
David Blaikie
795e327d8d [WebAssembly] Update for Target API (TargetRegistry::RegisterMCAsmBackend) change
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@276694 91177308-0d34-0410-b5e6-96231b3b80d8
2016-07-25 21:41:42 +00:00
Rafael Espindola
9931d67967 Delete MCCodeGenInfo.
MC doesn't really care about CodeGen stuff, so this was just
complicating target initialization.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@274258 91177308-0d34-0410-b5e6-96231b3b80d8
2016-06-30 18:25:11 +00:00
Derek Schuff
8c6d367a4e [WebAssembly] Disable register stackification and coloring when not optimizing
These passes are optimizations, and should be disabled when not
optimizing.
Also create an MCCodeGenInfo so the opt level is correctly plumbed to
the backend pass manager.
Also remove the command line flag for disabling register coloring;
running llc with -O0 should now be useful for debugging, so it's not
necessary.

Differential Revision: http://reviews.llvm.org/D17327

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@261176 91177308-0d34-0410-b5e6-96231b3b80d8
2016-02-17 23:20:43 +00:00
Dan Gohman
bb15d409cb [WebAssembly] Minor code cleanups. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@258294 91177308-0d34-0410-b5e6-96231b3b80d8
2016-01-20 05:54:22 +00:00
Dan Gohman
92c68ce7c8 [WebAssembly] Remove an unused data member. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@258192 91177308-0d34-0410-b5e6-96231b3b80d8
2016-01-19 21:31:41 +00:00
Dan Gohman
4b49dfacab [WebAsssembly] Register the MC register info.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@257525 91177308-0d34-0410-b5e6-96231b3b80d8
2016-01-12 21:27:55 +00:00
Dan Gohman
f49a61441d [WebAssembly] Introduce a WebAssemblyTargetStreamer class.
Refactor .param, .result, .local, and .endfunc, as directives, using the
proper MCTargetStreamer mechanism, rather than fake instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@257511 91177308-0d34-0410-b5e6-96231b3b80d8
2016-01-12 20:30:51 +00:00
Dan Gohman
fa4ea3ca83 [WebAssembly] Register the MC subtarget info.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@257439 91177308-0d34-0410-b5e6-96231b3b80d8
2016-01-12 03:30:06 +00:00
Dan Gohman
ad86ed61f2 [WebAssembly] Minor code cleanups. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@257131 91177308-0d34-0410-b5e6-96231b3b80d8
2016-01-08 01:18:00 +00:00
Dan Gohman
0b9379b950 [WebAssembly] Remove unused arguments, unused functions. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@257125 91177308-0d34-0410-b5e6-96231b3b80d8
2016-01-08 00:43:54 +00:00
Dan Gohman
5731435941 [WebAssembly] Experimental ELF writer support
This creates the initial infrastructure for writing ELF output files. It
doesn't yet have any implementation for encoding instructions.

Differential Revision: http://reviews.llvm.org/D15555


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@255869 91177308-0d34-0410-b5e6-96231b3b80d8
2015-12-17 01:39:00 +00:00
Dan Gohman
85d0f9ca6d [WebAssembly] Minor clang-format and selected clang-tidy cleanups. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@254267 91177308-0d34-0410-b5e6-96231b3b80d8
2015-11-29 22:32:02 +00:00
Dan Gohman
e89242e734 [WebAssembly] Remove incomplete MCCodeEmitter bits.
These are parts of a separate patch that I accidentally included in r253878.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253892 91177308-0d34-0410-b5e6-96231b3b80d8
2015-11-23 18:00:04 +00:00
Dan Gohman
19dfe052ee [WebAssembly] Emit .param, .result, and .local through MC.
This eliminates one of the main remaining uses of EmitRawText.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253878 91177308-0d34-0410-b5e6-96231b3b80d8
2015-11-23 16:50:18 +00:00
Dan Gohman
251dff3d1b [WebAssembly] Add WebAssemblyMCInstLower.cpp.
This isn't used yet; it's just a start towards eventually using MC to
do instruction printing, and eventually binary encoding.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@252194 91177308-0d34-0410-b5e6-96231b3b80d8
2015-11-05 19:28:16 +00:00
JF Bastien
6b43809281 WebAssembly: MCAsmInfo only has one syntax variant for now.
Summary: MCAsmInfo is set up with the default AssemblerDialect, which is zero.

Subscribers: llvm-commits, sunfish, jfb

Differential Revision: http://reviews.llvm.org/D11567

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243452 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-28 17:23:07 +00:00
JF Bastien
b18e7bdac8 WebAssembly: basic bitcode → assembly CodeGen test
Summary:
Add a basic CodeGen bitcode test which (for now) only prints out the function name and nothing else. The current code merely implements the basic needed for the test run to not crash / assert. Getting to that point required:

 - Basic InstPrinter.
 - Basic AsmPrinter.
 - DiagnosticInfoUnsupported (not strictly required, but nice to have, duplicated from AMDGPU/BPF's ISelLowering).
 - Some SP and register setup in WebAssemblyTargetLowering.
 - Basic LowerFormalArguments.
 - GenInstrInfo.
 - Placeholder LowerFormalArguments.
 - Placeholder CanLowerReturn and LowerReturn.
 - Basic DAGToDAGISel::Select, which requiresGenDAGISel.inc as well as GET_INSTRINFO_ENUM with GenInstrInfo.inc.
 - Remove WebAssemblyFrameLowering::determineCalleeSaves and rely on default.
 - Implement WebAssemblyFrameLowering::hasFP, same as AArch64's implementation.

Follow-up patches will implement a real AsmPrinter, which will require adding MI opcodes specific to WebAssembly.

Reviewers: sunfish

Subscribers: aemerson, jfb, llvm-commits

Differential Revision: http://reviews.llvm.org/D11369

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242939 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-22 21:28:15 +00:00
JF Bastien
7bfd515593 WebAssembly: basic instructions todo, and basic register info.
Summary:
This code is based on AArch64 for modern backend good practice, and NVPTX for
virtual ISA concerns.

Reviewers: sunfish

Subscribers: aemerson, llvm-commits, jfb

Differential Revision: http://reviews.llvm.org/D11070

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241923 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-10 18:23:10 +00:00
Dan Gohman
1efcdba0e2 [WebAssembly] Define separate Target instances for 32-bit and 64-bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241193 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-01 21:42:34 +00:00
Dan Gohman
a74341308f [WebAssembly] Initial WebAssembly backend
This WebAssembly backend is just a skeleton at this time and is not yet
functional.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241022 91177308-0d34-0410-b5e6-96231b3b80d8
2015-06-29 23:51:55 +00:00