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[test][IRGen] Fix static-vtable-stubs.swift on wasm32 #70959

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kateinoigakukun
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The test was failing on 32-bit targets because of the different size of dereferenceable attribute.

B.swift:37:11: error: CHECK: expected string not found in input
// CHECK: declare swiftcc { ptr, ptr } @"$s1M1CC1i33_807E3D81CC6CDD898084F3279464DDF9LLSDySOypGvM"(ptr noalias dereferenceable(32), ptr swiftself) #0
          ^
<stdin>:125:1: note: possible intended match here
declare swiftcc { ptr, ptr } @"$s1M1CC1i33_807E3D81CC6CDD898084F3279464DDF9LLSDySOypGvM"(ptr noalias dereferenceable(16), ptr swiftself) #0

The size of coroutine buffer passed as the first argument to the "modify" coroutine function is dependent on the target pointer size. (it's calculated as NumWords_YieldOnceBuffer * sizeof(void*)`).

The size is out of the scope of the test, so just accept any size.

The test was failing on 32-bit targets because of the different size of
`dereferenceable` attribute.

```
B.swift:37:11: error: CHECK: expected string not found in input
// CHECK: declare swiftcc { ptr, ptr } @"$s1M1CC1i33_807E3D81CC6CDD898084F3279464DDF9LLSDySOypGvM"(ptr noalias dereferenceable(32), ptr swiftself) #0
          ^
<stdin>:125:1: note: possible intended match here
declare swiftcc { ptr, ptr } @"$s1M1CC1i33_807E3D81CC6CDD898084F3279464DDF9LLSDySOypGvM"(ptr noalias dereferenceable(16), ptr swiftself) #0
```

The size of coroutine buffer passed as the first argument to the
"modify" coroutine function is dependent on the target pointer size.
(it's calculated as `NumWords_YieldOnceBuffer` * sizeof(void*)`).

The size is out of the scope of the test, so just accept any size.
@kateinoigakukun
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preset=buildbot_linux_crosscompile_wasm
@swift-ci Please test with preset Linux Platform

@kateinoigakukun
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preset=buildbot_linux_crosscompile_wasm
@swift-ci Please test with preset Linux Platform

@kateinoigakukun
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@swift-ci Please smoke test

@finagolfin
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I already have a fix for this in #70929, can you check if that would work instead?

@kateinoigakukun
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kateinoigakukun commented Jan 18, 2024

@finagolfin The test fix is almost identical to yours, but the CMake change seems arguable. I want to merge this PR to unblock our CI first, and the CMake change should be discussed in your PR. Does that sound reasonable for you?

@finagolfin
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Can you hold off for a day? I think my pull will go in today and be more general. This test has been broken on 32-bit for a month now, don't think waiting another day will hurt.

@kateinoigakukun
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@finagolfin Okay, I understood

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2 participants