rust/compiler/rustc_codegen_ssa at 20d113eff15641d47a0e1c79e76d67f2e85dfb9d - rust

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bors 23a3312d92 Auto merge of #156116 - scottmcm:tweak-layout-of-alternative, r=dianqk

Stop needing materialized places for most intrinsics



Today even to return a constant from `size_of_val` it takes an `alloca`.  That's wasteful.

This updates the cg_ssa traits to allow returning an `OperandValue` instead, which is possible for the vast majority of intrinsics -- this PR moves all but 5 over to doing that in LLVM.

The first commit adds a test to help show the difference here.

cc https://github.com/rust-lang/compiler-team/issues/970 https://github.com/rust-lang/rust/issues/153250

2026-05-23 19:23:06 +00:00

src

Auto merge of #156116 - scottmcm:tweak-layout-of-alternative, r=dianqk

2026-05-23 19:23:06 +00:00

Cargo.toml

Port rustc_expected_cgu_reuse to the new attribute parser

2026-02-10 10:10:38 +01:00

README.md

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README.md

Please read the rustc-dev-guide chapter on Backend Agnostic Codegen.