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12 Commits

Author SHA1 Message Date
Thomas Lively 6a6f28f7b7 [WebAssembly] Use passive segments by default when memory is shared 
Summary:
This change makes it so that passing --shared-memory is all a user
needs to do to get proper multithreaded code. This default can still
be explicitly overridden for any reason using --passive-segments and
--active-segments.

Reviewers: sbc100, quantum

Subscribers: dschuff, jgravelle-google, aheejin, sunfish, jfb, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D64950

llvm-svn: 366504
 2019-07-18 21:50:24 +00:00
Derek Schuff 3bea8bcae5 [WebAssembly] Support creation and import of shared memories 
Used for WebAssembly threads proposal. Add a flag --shared-memory
which sets the IS_SHARED bit in WasmLimits

Differential Revision: https://reviews.llvm.org/D54130

llvm-svn: 346248
 2018-11-06 17:59:32 +00:00
Sam Clegg 752494bfe3 [WebAssembly] Check function signatures by default 
But only produce a warning (for now) unless --fatal-warnings
is passed.

Differential Revision: https://reviews.llvm.org/D46484

llvm-svn: 331574
 2018-05-05 01:23:07 +00:00
Nicholas Wilson 2eb39c137f [WebAssembly] Add missing implementation for --initial/max-memory args 
Previously, Config->InitialMemory/MaxMemory were hooked up to some
commandline args but had no effect at all.

Differential Revision: https://reviews.llvm.org/D44393

llvm-svn: 327508
 2018-03-14 13:53:58 +00:00
Rui Ueyama f05124e60c Use wasm-ld instead of "lld -flavor wasm". 
Invoking lld as ld.lld, ld.ld64, lld-link or wasm-ld is preferred
than invoking lld as lld and pass an -flavor option. We have "lld"
file mostly for historical reasons.

Differential Revision: https://reviews.llvm.org/D43407

llvm-svn: 325405
 2018-02-16 22:58:02 +00:00
Sam Clegg 279c850cf2 [WebAssembly] Fix signature mismatches in test code 
Pass --check-signatures to test executions of lld and
fix resulting errors.

Differential Revision: https://reviews.llvm.org/D42661

llvm-svn: 324042
 2018-02-02 00:30:03 +00:00
Sam Clegg 5489b9f1cf [WebAssembly] Reduce redundancy in tests 
Add a simple start entry point input file and have the tests
reference that rather than duplicating these.

This allows more tests to be pure `.test` files rather than
`.ll`.

Differential Revision: https://reviews.llvm.org/D42662

llvm-svn: 323838
 2018-01-31 00:13:26 +00:00
Sam Clegg 70683b2f75 [WebAssembly] Use inline target tripple in test cases 
This is somewhat preferable since (in many cases) it allows llc
to be run directly on the .ll files without having to pass the
`-mtriple` argument.

Differential Revision: https://reviews.llvm.org/D42438

llvm-svn: 323299
 2018-01-24 03:29:47 +00:00
Rui Ueyama b9b1a522ea Remove trailing whitespace. 
llvm-svn: 323287
 2018-01-24 00:22:53 +00:00
Sam Clegg bd0416d0c0 [WebAssemlby] Fix typo in target triple used in tests 
llvm-svn: 321044
 2017-12-19 00:18:16 +00:00
Sam Clegg 2e25e896fb [WebAssembly] Improve wasm test cases 
Add test for weakly defined symbols with the same name

Improve test for call-indirect to include the same call in two
different objects. This lays the ground work to improve the
output via de-duplicating the indirect call table:
   https://reviews.llvm.org/D40989

Also make all tests consistently pass -mtriple rather than
declaring in the sources.

Differential Revision: https://reviews.llvm.org/D41024

llvm-svn: 320172
 2017-12-08 18:37:44 +00:00
Sam Clegg c94d393ad5 [WebAssembly] Initial wasm linker implementation 
This linker backend is still a work in progress but is
enough to link simple programs including linking against
library archives.

Differential Revision: https://reviews.llvm.org/D34851

llvm-svn: 318539
 2017-11-17 18:14:09 +00:00