[lldb][wasm] Run the LLDB test suite targeting WebAssembly

[JDevlieghere]

Top level issue to track progress towards compiling the test binaries to WebAssembly (WASI) and run them under a WebAssembly runtime.

• [lldb] LLDB_TEST_ARCH -> LLDB_TEST_TRIPLE #191204
• [lldb] Rally around triple rather than arch in the API tests #191416
• [lldb] Fix crash when evaluating expressions in Wasm targets #192893
• [lldb][test] Add support for building Wasm test inferiors #192872
• [lldb] Don't enable ASLR for the Wasm runtime #193115
• [lldb] Decorate tests that use threading #193117
• [lldb] Decorate tests that use shared libraries #193118
• [lldb] Skip memory region probing in FindSpace when process can't JIT #193124
• [lldb] Add a @skipIfNoSignals decorator for Windows and Wasm #194760
• [lldb] Add skipIfWasm decorator and skip unsupported WebAssembly tests #194761
• [lldb] Pass settings set as a raw command #194762
• [lldb] Add support for two-component tiple #194764

[llvmbot]

@llvm/issue-subscribers-lldb

Author: Jonas Devlieghere (JDevlieghere)

Details

Top level issue to track progress towards compiling the test binaries to WebAssembly (WASI) and run them under a WebAssembly runtime.

• [lldb] LLDB_TEST_ARCH -> LLDB_TEST_TRIPLE #191204
• [lldb] Rally around triple rather than arch in the API tests #191416
• [lldb] Fix crash when evaluating expressions in Wasm targets #192893
• [lldb][test] Add support for building Wasm test inferiors #192872

[JDevlieghere]

CC @MaxDesiatov @kateinoigakukun

[JDevlieghere]

Current results with the threading and shared library tests skipped:

Total Discovered Tests: 1411
  Unsupported      : 429 (30.40%)
  Passed           : 400 (28.35%)
  Expectedly Failed:   7 (0.50%)
  Unresolved       : 362 (25.66%)
  Timed Out        :   7 (0.50%)
  Failed           : 206 (14.60%)

[JDevlieghere]

91 more passes with the IRMemoryMap::FindSpace issue fixed:

Total Discovered Tests: 1411
  Unsupported      : 429 (30.40%)
  Passed           : 491 (34.80%)
  Expectedly Failed:   7 (0.50%)
  Unresolved       : 214 (15.17%)
  Timed Out        :  21 (1.49%)
  Failed           : 249 (17.65%)