Turn `ArgAbi::pad` into a `bool`.

Because it's only ever set to `None` or `Some(Reg::i32())`.

2 files changed, 5 insertions, 5 deletions

diff --git a/compiler/rustc_codegen_ssa/src/mir/block.rs b/compiler/rustc_codegen_ssa/src/mir/block.rs
index 187af47114f..5b3f41263e7 100644
--- a/compiler/rustc_codegen_ssa/src/mir/block.rs
+++ b/compiler/rustc_codegen_ssa/src/mir/block.rs
@@ -21,7 +21,7 @@ use rustc_middle::ty::{self, Instance, Ty, TypeVisitable};
 use rustc_span::source_map::Span;
 use rustc_span::{sym, Symbol};
 use rustc_symbol_mangling::typeid::typeid_for_fnabi;
-use rustc_target::abi::call::{ArgAbi, FnAbi, PassMode};
+use rustc_target::abi::call::{ArgAbi, FnAbi, PassMode, Reg};
 use rustc_target::abi::{self, HasDataLayout, WrappingRange};
 use rustc_target::spec::abi::Abi;
 
@@ -1159,8 +1159,8 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
         arg: &ArgAbi<'tcx, Ty<'tcx>>,
     ) {
         // Fill padding with undef value, where applicable.
-        if let Some(ty) = arg.pad {
-            llargs.push(bx.const_undef(bx.reg_backend_type(&ty)))
+        if arg.pad_i32 {
+            llargs.push(bx.const_undef(bx.reg_backend_type(&Reg::i32())))
         }
 
         if arg.is_ignore() {
diff --git a/compiler/rustc_codegen_ssa/src/mir/mod.rs b/compiler/rustc_codegen_ssa/src/mir/mod.rs
index 8ee375fa9e3..f13b658b2ff 100644
--- a/compiler/rustc_codegen_ssa/src/mir/mod.rs
+++ b/compiler/rustc_codegen_ssa/src/mir/mod.rs
@@ -283,7 +283,7 @@ fn arg_local_refs<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>(
                 for i in 0..tupled_arg_tys.len() {
                     let arg = &fx.fn_abi.args[idx];
                     idx += 1;
-                    if arg.pad.is_some() {
+                    if arg.pad_i32 {
                         llarg_idx += 1;
                     }
                     let pr_field = place.project_field(bx, i);
@@ -309,7 +309,7 @@ fn arg_local_refs<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>(
 
             let arg = &fx.fn_abi.args[idx];
             idx += 1;
-            if arg.pad.is_some() {
+            if arg.pad_i32 {
                 llarg_idx += 1;
             }