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| author | Simonas Kazlauskas <git@kazlauskas.me> | 2019-02-20 22:27:00 +0200 |
|---|---|---|
| committer | Simonas Kazlauskas <git@kazlauskas.me> | 2019-03-27 04:03:42 +0200 |
| commit | 8d4afbe4136933b47082dd1efa9c1132a31dfb0d (patch) | |
| tree | 6d73dd5ad453677b17d88c4dccf1d4c7b1da27e2 /src/librustc_codegen_ssa | |
| parent | 54479c624cc24bb852291d83e11cc19389dcb21b (diff) | |
| download | rust-8d4afbe4136933b47082dd1efa9c1132a31dfb0d.tar.gz rust-8d4afbe4136933b47082dd1efa9c1132a31dfb0d.zip | |
Use informational target machine for metadata
Since there is nothing to optimise there...
Diffstat (limited to 'src/librustc_codegen_ssa')
| -rw-r--r-- | src/librustc_codegen_ssa/back/write.rs | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/librustc_codegen_ssa/back/write.rs b/src/librustc_codegen_ssa/back/write.rs index 859dfb99d92..55b7855ac08 100644 --- a/src/librustc_codegen_ssa/back/write.rs +++ b/src/librustc_codegen_ssa/back/write.rs @@ -1075,7 +1075,13 @@ fn start_executing_work<B: ExtraBackendMethods>( None }; - let ol = tcx.backend_optimization_level(LOCAL_CRATE); + let ol = if tcx.sess.opts.debugging_opts.no_codegen + || !tcx.sess.opts.output_types.should_codegen() { + // If we know that we won’t be doing codegen, create target machines without optimisation. + config::OptLevel::No + } else { + tcx.backend_optimization_level(LOCAL_CRATE) + }; let cgcx = CodegenContext::<B> { backend: backend.clone(), crate_types: sess.crate_types.borrow().clone(), |