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747a5d2a5d
rust/compiler/rustc_codegen_ssa
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bors 747a5d2a5d Auto merge of #85316 - eddyb:cg-ssa-on-demand-cleanuppad, r=nagisa 
rustc_codegen_ssa: generate MSVC cleanup pads on demand, like GNU landing pads.

This unblocks #84993 in terms of codegen tests, as it brings the MSVC-style (`cleanup_pad`) EH (LLVM) block order in line with the GNU-style (`landing_pad`) EH (LLVM) block order, by having both of them be on-demand (instead of MSVC-style being eager and GNU-style lazy/on-demand).

It also unifies the two implementations a bit, similar to #84699, but in the opposite direction (as that attempt made both kinds of EH pads eagerly built).

~~Opening as draft because I haven't done enough Windows testing just yet, of both this PR, and of #84993 rebased on it.~~ (**EDIT**: seems to be working as expected)

r? `@nagisa`
2021-05-16 12:30:07 +00:00
..
src Auto merge of #85316 - eddyb:cg-ssa-on-demand-cleanuppad, r=nagisa 2021-05-16 12:30:07 +00:00
Cargo.toml Auto merge of #83640 - bjorn3:shared_metadata_reader, r=nagisa 2021-05-14 12:58:58 +00:00
README.md mv compiler to compiler/ 2020-08-30 18:45:07 +03:00

README.md

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