bjoernager/rust
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Set 'PrepareForThinLTO' whenever doing cross-language LTO.

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This commit is contained in:
Michael Woerister 2018-08-03 17:04:53 +02:00
parent 3742f4d9f6
commit f2969ed6c3
1 changed files with 2 additions and 1 deletions
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3
src/librustc_codegen_llvm/back/write.rs
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@ -552,7 +552,8 @@ unsafe fn optimize(cgcx: &CodegenContext,
llvm::LLVMRustAddAnalysisPasses(tm, fpm, llmod); llvm::LLVMRustAddAnalysisPasses(tm, fpm, llmod);
llvm::LLVMRustAddAnalysisPasses(tm, mpm, llmod); llvm::LLVMRustAddAnalysisPasses(tm, mpm, llmod);
let opt_level = config.opt_level.unwrap_or(llvm::CodeGenOptLevel::None); let opt_level = config.opt_level.unwrap_or(llvm::CodeGenOptLevel::None);
let prepare_for_thin_lto = cgcx.lto == Lto::Thin || cgcx.lto == Lto::ThinLocal; let prepare_for_thin_lto = cgcx.lto == Lto::Thin || cgcx.lto == Lto::ThinLocal ||
(cgcx.lto != Lto::Fat && cgcx.opts.debugging_opts.cross_lang_lto.enabled());
have_name_anon_globals_pass = have_name_anon_globals_pass || prepare_for_thin_lto; have_name_anon_globals_pass = have_name_anon_globals_pass || prepare_for_thin_lto;
if using_thin_buffers && !prepare_for_thin_lto { if using_thin_buffers && !prepare_for_thin_lto {
assert!(addpass("name-anon-globals")); assert!(addpass("name-anon-globals"));