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wasm(32|64): update alignment string

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See llvm/llvm-project@c5ab70c508

@rustbot label: +llvm-main
This commit is contained in:
Augie Fackler 2024-12-11 04:14:16 -05:00
parent 5a6036a180
commit 48b883287a
8 changed files with 13 additions and 7 deletions
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5
compiler/rustc_codegen_llvm/src/context.rs
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@ -164,6 +164,11 @@ pub(crate) unsafe fn create_module<'ll>(
// See https://github.com/llvm/llvm-project/pull/118004
target_data_layout = target_data_layout.replace("-i128:128", "");
}
if sess.target.arch.starts_with("wasm32") || sess.target.arch.starts_with("wasm64") {
// LLVM 20 updates the wasm(32|64) layout to correctly align 128 bit integers to 128 bit.
// See https://github.com/llvm/llvm-project/pull/119204
target_data_layout = target_data_layout.replace("-i128:128", "");
}
}
// Ensure the data-layout values hardcoded remain the defaults.