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-rw-r--r--compiler/rustc_codegen_llvm/src/debuginfo/create_scope_map.rs2
-rw-r--r--compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs4
-rw-r--r--compiler/rustc_codegen_llvm/src/debuginfo/mod.rs2
-rw-r--r--compiler/rustc_codegen_llvm/src/intrinsic.rs6
-rw-r--r--compiler/rustc_codegen_llvm/src/type_of.rs2
5 files changed, 8 insertions, 8 deletions
diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/create_scope_map.rs b/compiler/rustc_codegen_llvm/src/debuginfo/create_scope_map.rs
index 6737872f203..7673dfb744c 100644
--- a/compiler/rustc_codegen_llvm/src/debuginfo/create_scope_map.rs
+++ b/compiler/rustc_codegen_llvm/src/debuginfo/create_scope_map.rs
@@ -92,7 +92,7 @@ fn make_mir_scope(
             let callee = cx.tcx.subst_and_normalize_erasing_regions(
                 instance.substs,
                 ty::ParamEnv::reveal_all(),
-                &callee,
+                callee,
             );
             let callee_fn_abi = FnAbi::of_instance(cx, callee, &[]);
             cx.dbg_scope_fn(callee, &callee_fn_abi, None)
diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
index 27b81ebcff6..5e8ff14f0aa 100644
--- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
+++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
@@ -189,7 +189,7 @@ impl TypeMap<'ll, 'tcx> {
         // something that provides more than the 64 bits of the DefaultHasher.
         let mut hasher = StableHasher::new();
         let mut hcx = cx.tcx.create_stable_hashing_context();
-        let type_ = cx.tcx.erase_regions(&type_);
+        let type_ = cx.tcx.erase_regions(type_);
         hcx.while_hashing_spans(false, |hcx| {
             hcx.with_node_id_hashing_mode(NodeIdHashingMode::HashDefPath, |hcx| {
                 type_.hash_stable(hcx, &mut hasher);
@@ -427,7 +427,7 @@ fn subroutine_type_metadata(
     span: Span,
 ) -> MetadataCreationResult<'ll> {
     let signature =
-        cx.tcx.normalize_erasing_late_bound_regions(ty::ParamEnv::reveal_all(), &signature);
+        cx.tcx.normalize_erasing_late_bound_regions(ty::ParamEnv::reveal_all(), signature);
 
     let signature_metadata: Vec<_> = iter::once(
         // return type
diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs
index 5065ff01aed..ccbe7325cc6 100644
--- a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs
+++ b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs
@@ -501,7 +501,7 @@ impl DebugInfoMethods<'tcx> for CodegenCx<'ll, 'tcx> {
                     let impl_self_ty = cx.tcx.subst_and_normalize_erasing_regions(
                         instance.substs,
                         ty::ParamEnv::reveal_all(),
-                        &cx.tcx.type_of(impl_def_id),
+                        cx.tcx.type_of(impl_def_id),
                     );
 
                     // Only "class" methods are generally understood by LLVM,
diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs
index d52b3be8cd3..ac423d01bf1 100644
--- a/compiler/rustc_codegen_llvm/src/intrinsic.rs
+++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs
@@ -91,7 +91,7 @@ impl IntrinsicCallMethods<'tcx> for Builder<'a, 'll, 'tcx> {
         };
 
         let sig = callee_ty.fn_sig(tcx);
-        let sig = tcx.normalize_erasing_late_bound_regions(ty::ParamEnv::reveal_all(), &sig);
+        let sig = tcx.normalize_erasing_late_bound_regions(ty::ParamEnv::reveal_all(), sig);
         let arg_tys = sig.inputs();
         let ret_ty = sig.output();
         let name = tcx.item_name(def_id);
@@ -777,8 +777,8 @@ fn generic_simd_intrinsic(
     }
 
     let tcx = bx.tcx();
-    let sig = tcx
-        .normalize_erasing_late_bound_regions(ty::ParamEnv::reveal_all(), &callee_ty.fn_sig(tcx));
+    let sig =
+        tcx.normalize_erasing_late_bound_regions(ty::ParamEnv::reveal_all(), callee_ty.fn_sig(tcx));
     let arg_tys = sig.inputs();
     let name_str = &*name.as_str();
 
diff --git a/compiler/rustc_codegen_llvm/src/type_of.rs b/compiler/rustc_codegen_llvm/src/type_of.rs
index e0754d21df1..8ea4768f77d 100644
--- a/compiler/rustc_codegen_llvm/src/type_of.rs
+++ b/compiler/rustc_codegen_llvm/src/type_of.rs
@@ -252,7 +252,7 @@ impl<'tcx> LayoutLlvmExt<'tcx> for TyAndLayout<'tcx> {
 
         // Make sure lifetimes are erased, to avoid generating distinct LLVM
         // types for Rust types that only differ in the choice of lifetimes.
-        let normal_ty = cx.tcx.erase_regions(&self.ty);
+        let normal_ty = cx.tcx.erase_regions(self.ty);
 
         let mut defer = None;
         let llty = if self.ty != normal_ty {