Remove deprecated LLVM-style inline assembly

compiler/rustc_ast/src/ast.rs

@@ -1266,7 +1266,7 @@ impl Expr {
             ExprKind::Break(..) => ExprPrecedence::Break,
             ExprKind::Continue(..) => ExprPrecedence::Continue,
             ExprKind::Ret(..) => ExprPrecedence::Ret,
-            ExprKind::InlineAsm(..) | ExprKind::LlvmInlineAsm(..) => ExprPrecedence::InlineAsm,
+            ExprKind::InlineAsm(..) => ExprPrecedence::InlineAsm,
             ExprKind::MacCall(..) => ExprPrecedence::Mac,
             ExprKind::Struct(..) => ExprPrecedence::Struct,
             ExprKind::Repeat(..) => ExprPrecedence::Repeat,
@@ -1423,8 +1423,6 @@ pub enum ExprKind {
 
     /// Output of the `asm!()` macro.
     InlineAsm(P<InlineAsm>),
-    /// Output of the `llvm_asm!()` macro.
-    LlvmInlineAsm(P<LlvmInlineAsm>),
 
     /// A macro invocation; pre-expansion.
     MacCall(MacCall),
@@ -2076,41 +2074,6 @@ pub struct InlineAsm {
     pub line_spans: Vec<Span>,
 }
 
-/// Inline assembly dialect.
-///
-/// E.g., `"intel"` as in `llvm_asm!("mov eax, 2" : "={eax}"(result) : : : "intel")`.
-#[derive(Clone, PartialEq, Encodable, Decodable, Debug, Copy, Hash, HashStable_Generic)]
-pub enum LlvmAsmDialect {
-    Att,
-    Intel,
-}
-
-/// LLVM-style inline assembly.
-///
-/// E.g., `"={eax}"(result)` as in `llvm_asm!("mov eax, 2" : "={eax}"(result) : : : "intel")`.
-#[derive(Clone, Encodable, Decodable, Debug)]
-pub struct LlvmInlineAsmOutput {
-    pub constraint: Symbol,
-    pub expr: P<Expr>,
-    pub is_rw: bool,
-    pub is_indirect: bool,
-}
-
-/// LLVM-style inline assembly.
-///
-/// E.g., `llvm_asm!("NOP");`.
-#[derive(Clone, Encodable, Decodable, Debug)]
-pub struct LlvmInlineAsm {
-    pub asm: Symbol,
-    pub asm_str_style: StrStyle,
-    pub outputs: Vec<LlvmInlineAsmOutput>,
-    pub inputs: Vec<(Symbol, P<Expr>)>,
-    pub clobbers: Vec<Symbol>,
-    pub volatile: bool,
-    pub alignstack: bool,
-    pub dialect: LlvmAsmDialect,
-}
-
 /// A parameter in a function header.
 ///
 /// E.g., `bar: usize` as in `fn foo(bar: usize)`.

compiler/rustc_ast/src/mut_visit.rs

@@ -1350,23 +1350,6 @@ pub fn noop_visit_expr<T: MutVisitor>(
             visit_opt(expr, |expr| vis.visit_expr(expr));
         }
         ExprKind::InlineAsm(asm) => noop_visit_inline_asm(asm, vis),
-        ExprKind::LlvmInlineAsm(asm) => {
-            let LlvmInlineAsm {
-                asm: _,
-                asm_str_style: _,
-                outputs,
-                inputs,
-                clobbers: _,
-                volatile: _,
-                alignstack: _,
-                dialect: _,
-            } = asm.deref_mut();
-            for out in outputs {
-                let LlvmInlineAsmOutput { constraint: _, expr, is_rw: _, is_indirect: _ } = out;
-                vis.visit_expr(expr);
-            }
-            visit_vec(inputs, |(_c, expr)| vis.visit_expr(expr));
-        }
         ExprKind::MacCall(mac) => vis.visit_mac_call(mac),
         ExprKind::Struct(se) => {
             let StructExpr { qself, path, fields, rest } = se.deref_mut();

compiler/rustc_ast/src/visit.rs

@@ -864,14 +864,6 @@ pub fn walk_expr<'a, V: Visitor<'a>>(visitor: &mut V, expression: &'a Expr) {
         ExprKind::MacCall(ref mac) => visitor.visit_mac_call(mac),
         ExprKind::Paren(ref subexpression) => visitor.visit_expr(subexpression),
         ExprKind::InlineAsm(ref asm) => walk_inline_asm(visitor, asm),
-        ExprKind::LlvmInlineAsm(ref ia) => {
-            for &(_, ref input) in &ia.inputs {
-                visitor.visit_expr(input)
-            }
-            for output in &ia.outputs {
-                visitor.visit_expr(&output.expr)
-            }
-        }
         ExprKind::Yield(ref optional_expression) => {
             walk_list!(visitor, visit_expr, optional_expression);
         }