Simplify use of mir_opt_level #38307
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Remove the unused top level option by the same name, and retain the debug option. Use -Zmir-opt-level=1 as default. One pass is enabled by default but wants to be optional: - Instcombine requires mir_opt_level > 0 Copy propagation is not used by default, but used to be activated by explicit -Zmir-opt-level=1. It must move one higher to be off by default: - CopyPropagation requires mir_opt_level > 1 Deaggregate is not used by default, and used to be on a different level than CopyPropagation: - Deaggreate requires mir_opt_level > 2
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@bors r+ |
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Simplify use of mir_opt_level Remove the unused top level option by the same name, and retain the debug option. Use -Zmir-opt-level=1 as default. One pass is enabled by default but wants to be optional: - Instcombine requires mir_opt_level > 0 Copy propagation is not used by default, but used to be activated by explicit -Zmir-opt-level=1. It must move one higher to be off by default: - CopyPropagation requires mir_opt_level > 1 Deaggregate is not used by default, and used to be on a different level than CopyPropagation: - Deaggreate requires mir_opt_level > 2
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Remove the unused top level option by the same name, and retain the
debug option.
Use -Zmir-opt-level=1 as default.
One pass is enabled by default but wants to be optional:
Copy propagation is not used by default, but used to be activated by
explicit -Zmir-opt-level=1. It must move one higher to be off by
default:
Deaggregate is not used by default, and used to be on a different level
than CopyPropagation: