1 files changed, 23 insertions, 1 deletions
diff --git a/compiler/rustc_codegen_llvm/src/lib.rs b/compiler/rustc_codegen_llvm/src/lib.rs
index 24ba28bbc82..b0354376210 100644
--- a/compiler/rustc_codegen_llvm/src/lib.rs
+++ b/compiler/rustc_codegen_llvm/src/lib.rs
@@ -46,6 +46,7 @@ use rustc_span::symbol::Symbol;
 
 use std::any::Any;
 use std::ffi::CStr;
+use std::io::Write;
 
 mod back {
     pub mod archive;
@@ -178,7 +179,28 @@ impl WriteBackendMethods for LlvmCodegenBackend {
     type ThinBuffer = back::lto::ThinBuffer;
     fn print_pass_timings(&self) {
         unsafe {
-            llvm::LLVMRustPrintPassTimings();
+            let mut size = 0;
+            let cstr = llvm::LLVMRustPrintPassTimings(&mut size as *mut usize);
+            if cstr.is_null() {
+                println!("failed to get pass timings");
+            } else {
+                let timings = std::slice::from_raw_parts(cstr as *const u8, size);
+                std::io::stdout().write_all(timings).unwrap();
+                libc::free(cstr as *mut _);
+            }
+        }
+    }
+    fn print_statistics(&self) {
+        unsafe {
+            let mut size = 0;
+            let cstr = llvm::LLVMRustPrintStatistics(&mut size as *mut usize);
+            if cstr.is_null() {
+                println!("failed to get pass stats");
+            } else {
+                let stats = std::slice::from_raw_parts(cstr as *const u8, size);
+                std::io::stdout().write_all(stats).unwrap();
+                libc::free(cstr as *mut _);
+            }
         }
     }
     fn run_link(