3 files changed, 3 insertions, 10 deletions
diff --git a/src/librustc_codegen_llvm/attributes.rs b/src/librustc_codegen_llvm/attributes.rs
index 33dc2513de5..1ea9362dc42 100644
--- a/src/librustc_codegen_llvm/attributes.rs
+++ b/src/librustc_codegen_llvm/attributes.rs
@@ -375,11 +375,7 @@ pub fn provide_extern(providers: &mut Providers<'_>) {
         let native_libs = tcx.native_libraries(cnum);
 
         let def_id_to_native_lib = native_libs.iter().filter_map(|lib|
-            if let Some(id) = lib.foreign_module {
-                Some((id, lib))
-            } else {
-                None
-            }
+            lib.foreign_module.map(|id| (id, lib))
         ).collect::<FxHashMap<_, _>>();
 
         let mut ret = FxHashMap::default();
diff --git a/src/librustc_codegen_llvm/common.rs b/src/librustc_codegen_llvm/common.rs
index f38f9dfecd3..369a098a5c6 100644
--- a/src/librustc_codegen_llvm/common.rs
+++ b/src/librustc_codegen_llvm/common.rs
@@ -245,11 +245,7 @@ impl ConstMethods<'tcx> for CodegenCx<'ll, 'tcx> {
             let (mut lo, mut hi) = (0u64, 0u64);
             let success = llvm::LLVMRustConstInt128Get(v, sign_ext,
                                                         &mut hi, &mut lo);
-            if success {
-                Some(hi_lo_to_u128(lo, hi))
-            } else {
-                None
-            }
+            success.to_option(hi_lo_to_u128(lo, hi))
         })
     }
 
diff --git a/src/librustc_codegen_llvm/lib.rs b/src/librustc_codegen_llvm/lib.rs
index 2ff5872370f..00a84f8d80f 100644
--- a/src/librustc_codegen_llvm/lib.rs
+++ b/src/librustc_codegen_llvm/lib.rs
@@ -6,6 +6,7 @@
 
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/")]
 
+#![feature(bool_to_option)]
 #![feature(box_patterns)]
 #![feature(box_syntax)]
 #![feature(const_cstr_unchecked)]