Allow inline(always) with a target feature behind a unstable feature target_feature_inline_always.
#145932
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Co-authored-by: Jamie Cunliffe <[email protected]>
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r? @davidtwco rustbot has assigned @davidtwco. Use |
rustbot
added
A-attributes
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Some changes occurred to MIR optimizations cc @rust-lang/wg-mir-opt Some changes occurred in compiler/rustc_codegen_ssa |
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r? compiler I reviewed this internally prior to it going upstream so shouldn't review it again. #145574 has all the context that a reviewer should need. t-lang have already approved this for experimental implementation. |
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Rather than adding the inline always attribute to the function definition, we add it to the callsite. We can then check that the target features match and that the call would be safe to inline. If the function isn't inlined due to a mismatch, we emit a warning informing the user that the function can't be inlined due to the target feature mismatch.
See tracking issue #145574