Remove deprecated LLVM-style inline assembly

compiler/rustc_middle/src/mir/mod.rs

@@ -1565,10 +1565,6 @@ pub enum StatementKind<'tcx> {
     /// End the current live range for the storage of the local.
     StorageDead(Local),
 
-    /// Executes a piece of inline Assembly. Stored in a Box to keep the size
-    /// of `StatementKind` low.
-    LlvmInlineAsm(Box<LlvmInlineAsm<'tcx>>),
-
     /// Retag references in the given place, ensuring they got fresh tags. This is
     /// part of the Stacked Borrows model. These statements are currently only interpreted
     /// by miri and only generated when "-Z mir-emit-retag" is passed.
@@ -1688,13 +1684,6 @@ pub enum FakeReadCause {
     ForIndex,
 }
 
-#[derive(Clone, Debug, PartialEq, TyEncodable, TyDecodable, Hash, HashStable, TypeFoldable)]
-pub struct LlvmInlineAsm<'tcx> {
-    pub asm: hir::LlvmInlineAsmInner,
-    pub outputs: Box<[Place<'tcx>]>,
-    pub inputs: Box<[(Span, Operand<'tcx>)]>,
-}
-
 impl Debug for Statement<'_> {
     fn fmt(&self, fmt: &mut Formatter<'_>) -> fmt::Result {
         use self::StatementKind::*;
@@ -1719,9 +1708,6 @@ impl Debug for Statement<'_> {
             SetDiscriminant { ref place, variant_index } => {
                 write!(fmt, "discriminant({:?}) = {:?}", place, variant_index)
             }
-            LlvmInlineAsm(ref asm) => {
-                write!(fmt, "llvm_asm!({:?} : {:?} : {:?})", asm.asm, asm.outputs, asm.inputs)
-            }
             AscribeUserType(box (ref place, ref c_ty), ref variance) => {
                 write!(fmt, "AscribeUserType({:?}, {:?}, {:?})", place, variance, c_ty)
             }