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rustc_target: ppc64 target string fixes for LLVM 20

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LLVM continues to clean these up, and we continue to make this
consistent. This is similar to 9caced7bad,
e985396145, and
a10e744faf.

`@rustbot` label: +llvm-main
This commit is contained in:
Augie Fackler 2024-12-10 04:54:12 -05:00
parent b597d2a099
commit 0680155a17
10 changed files with 14 additions and 9 deletions
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5
compiler/rustc_codegen_llvm/src/context.rs
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@ -159,6 +159,11 @@ pub(crate) unsafe fn create_module<'ll>(
// See https://github.com/llvm/llvm-project/pull/112084
target_data_layout = target_data_layout.replace("-i128:128", "");
}
if sess.target.arch.starts_with("powerpc64") {
// LLVM 20 updates the powerpc64 layout to correctly align 128 bit integers to 128 bit.
// See https://github.com/llvm/llvm-project/pull/118004
target_data_layout = target_data_layout.replace("-i128:128", "");
}
}
// Ensure the data-layout values hardcoded remain the defaults.