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Sync rustc_codegen_cranelift 'ddd4ce2553'

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Erin Power 2021-04-30 14:49:58 +02:00
commit 505aa48f24
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compiler/rustc_codegen_cranelift/docs/env_vars.md
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# List of env vars recognized by cg_clif
<dl>
<dt>CG_CLIF_JIT_ARGS</dt>
<dd>When JIT mode is enable pass these arguments to the program.</dd>
<dt>CG_CLIF_INCR_CACHE_DISABLED</dt>
<dd>Don't cache object files in the incremental cache. Useful during development of cg_clif
to make it possible to use incremental mode for all analyses performed by rustc without caching
object files when their content should have been changed by a change to cg_clif.</dd>
<dt>CG_CLIF_DISPLAY_CG_TIME</dt>
<dd>If "1", display the time it took to perform codegen for a crate.</dd>
<dt>CG_CLIF_ENABLE_VERIFIER</dt>
<dd>Enable the Cranelift ir verifier for all compilation passes. If not set it will only run once
before passing the clif ir to Cranelift for compilation.</dt>
</dl>