Remove deprecated LLVM-style inline assembly

2 files changed, 0 insertions, 52 deletions

diff --git a/compiler/rustc_passes/src/liveness.rs b/compiler/rustc_passes/src/liveness.rs
index 9ee305b712f..4660d047885 100644
--- a/compiler/rustc_passes/src/liveness.rs
+++ b/compiler/rustc_passes/src/liveness.rs
@@ -103,7 +103,6 @@ use rustc_span::Span;
 use std::collections::VecDeque;
 use std::io;
 use std::io::prelude::*;
-use std::iter;
 use std::rc::Rc;
 
 mod rwu_table;
@@ -470,7 +469,6 @@ impl<'tcx> Visitor<'tcx> for IrMaps<'tcx> {
             | hir::ExprKind::Struct(..)
             | hir::ExprKind::Repeat(..)
             | hir::ExprKind::InlineAsm(..)
-            | hir::ExprKind::LlvmInlineAsm(..)
             | hir::ExprKind::Box(..)
             | hir::ExprKind::Type(..)
             | hir::ExprKind::Err
@@ -1091,26 +1089,6 @@ impl<'a, 'tcx> Liveness<'a, 'tcx> {
                 succ
             }
 
-            hir::ExprKind::LlvmInlineAsm(ref asm) => {
-                let ia = &asm.inner;
-                let outputs = asm.outputs_exprs;
-                let inputs = asm.inputs_exprs;
-                let succ = iter::zip(&ia.outputs, outputs).rev().fold(succ, |succ, (o, output)| {
-                    // see comment on places
-                    // in propagate_through_place_components()
-                    if o.is_indirect {
-                        self.propagate_through_expr(output, succ)
-                    } else {
-                        let acc = if o.is_rw { ACC_WRITE | ACC_READ } else { ACC_WRITE };
-                        let succ = self.write_place(output, succ, acc);
-                        self.propagate_through_place_components(output, succ)
-                    }
-                });
-
-                // Inputs are executed first. Propagate last because of rev order
-                self.propagate_through_exprs(inputs, succ)
-            }
-
             hir::ExprKind::Lit(..)
             | hir::ExprKind::ConstBlock(..)
             | hir::ExprKind::Err
@@ -1387,20 +1365,6 @@ fn check_expr<'tcx>(this: &mut Liveness<'_, 'tcx>, expr: &'tcx Expr<'tcx>) {
             }
         }
 
-        hir::ExprKind::LlvmInlineAsm(ref asm) => {
-            for input in asm.inputs_exprs {
-                this.visit_expr(input);
-            }
-
-            // Output operands must be places
-            for (o, output) in iter::zip(&asm.inner.outputs, asm.outputs_exprs) {
-                if !o.is_indirect {
-                    this.check_place(output);
-                }
-                this.visit_expr(output);
-            }
-        }
-
         hir::ExprKind::Let(let_expr) => {
             this.check_unused_vars_in_pat(let_expr.pat, None, |_, _, _, _| {});
         }
diff --git a/compiler/rustc_passes/src/naked_functions.rs b/compiler/rustc_passes/src/naked_functions.rs
index 07cb165d796..dd14dce4b5b 100644
--- a/compiler/rustc_passes/src/naked_functions.rs
+++ b/compiler/rustc_passes/src/naked_functions.rs
@@ -236,22 +236,6 @@ impl<'tcx> CheckInlineAssembly<'tcx> {
                 self.check_inline_asm(expr.hir_id, asm, span);
             }
 
-            ExprKind::LlvmInlineAsm(..) => {
-                self.items.push((ItemKind::Asm, span));
-                self.tcx.struct_span_lint_hir(
-                    UNSUPPORTED_NAKED_FUNCTIONS,
-                    expr.hir_id,
-                    span,
-                    |lint| {
-                        lint.build(
-                            "the LLVM-style inline assembly is unsupported in naked functions",
-                        )
-                        .help("use the new asm! syntax specified in RFC 2873")
-                        .emit();
-                    },
-                );
-            }
-
             ExprKind::DropTemps(..) | ExprKind::Block(..) | ExprKind::Err => {
                 hir::intravisit::walk_expr(self, expr);
             }