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Auto merge of #83894 - nikic:newpm, r=nagisa

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Improve support for NewPM

This adds various missing bits of support for NewPM and allows us to successfully run stage 2 tests with NewPM enabled.

This does not yet enable NewPM by default, as there are still known issue on LLVM 12 (such as a weak fat LTO pipeline). The plan is to make the switch after we update to LLVM 13.
This commit is contained in:
bors 2021-05-09 16:19:21 +00:00
commit 7a2f446889
14 changed files with 113 additions and 81 deletions
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2
compiler/rustc_session/src/options.rs
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@ -1112,7 +1112,7 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options,
"MIR optimization level (0-4; default: 1 in non optimized builds and 2 in optimized builds)"),
mutable_noalias: Option<bool> = (None, parse_opt_bool, [TRACKED],
"emit noalias metadata for mutable references (default: yes for LLVM >= 12, otherwise no)"),
new_llvm_pass_manager: bool = (false, parse_bool, [TRACKED],
new_llvm_pass_manager: Option<bool> = (None, parse_opt_bool, [TRACKED],
"use new LLVM pass manager (default: no)"),
nll_facts: bool = (false, parse_bool, [UNTRACKED],
"dump facts from NLL analysis into side files (default: no)"),