Enable the MergeFunc pass

Fixes #9536

Enable the MergeFunc pass
Fixes #9536
bbc66332 · Björn Steinbrink · 03fd90be · bbc66332
隐藏空白更改
内联并排

Showing with 7 addition and 0 deletion

src/librustc/back/link.rs src/librustc/back/link.rs +7 -0

未找到文件。
--- a/src/librustc/back/link.rs
+++ b/src/librustc/back/link.rs
@@ -536,6 +536,13 @@ unsafe fn populate_llvm_passes(fpm: llvm::PassManagerRef,
        llvm::LLVMPassManagerBuilderPopulateFunctionPassManager(builder, fpm);
        llvm::LLVMPassManagerBuilderPopulateModulePassManager(builder, mpm);
        llvm::LLVMPassManagerBuilderDispose(builder);
+
+        match opt {
+            llvm::CodeGenLevelDefault | llvm::CodeGenLevelAggressive => {
+                "mergefunc".with_c_str(|s| llvm::LLVMRustAddPass(mpm, s));
+            }
+            _ => {}
+        };
    }
 }