rollup merge of #21191: Zoxc/lto

Fixes #21184
2015-01-15 14:12:04 -08:00 · 2015-01-15 14:12:04 -08:00 · 09c0342116
commit 09c0342116
parent 782c391789 2c71adaaa2
1 changed files with 3 additions and 0 deletions
--- a/src/librustc_trans/back/lto.rs
+++ b/src/librustc_trans/back/lto.rs
@ -167,7 +167,10 @@ pub fn run(sess: &session::Session, llmod: ModuleRef,
        llvm::LLVMRustAddAnalysisPasses(tm, pm, llmod);
        llvm::LLVMRustAddPass(pm, "verify\0".as_ptr() as *const _);

+        let opt = sess.opts.cg.opt_level.unwrap_or(0) as libc::c_uint;
+
        let builder = llvm::LLVMPassManagerBuilderCreate();
+        llvm::LLVMPassManagerBuilderSetOptLevel(builder, opt);
        llvm::LLVMPassManagerBuilderPopulateLTOPassManager(builder, pm,
            /* Internalize = */ False,
            /* RunInliner = */ True);