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Auto merge of #92816 - tmiasko:rm-llvm-asm, r=Amanieu

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Remove deprecated LLVM-style inline assembly

The `llvm_asm!` was deprecated back in #87590 1.56.0, with intention to remove
it once `asm!` was stabilized, which already happened in #91728 1.59.0. Now it
is time to remove `llvm_asm!` to avoid continued maintenance cost.

Closes #70173.
Closes #92794.
Closes #87612.
Closes #82065.

cc `@rust-lang/wg-inline-asm`

r? `@Amanieu`
This commit is contained in:
bors 2022-01-17 09:40:29 +00:00
commit a34c079752
171 changed files with 235 additions and 3297 deletions
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12
compiler/rustc_codegen_cranelift/src/base.rs
View file

@ -749,18 +749,6 @@ fn codegen_stmt<'tcx>(
| StatementKind::Retag { .. }
| StatementKind::AscribeUserType(..) => {}
StatementKind::LlvmInlineAsm(asm) => {
match asm.asm.asm.as_str().trim() {
"" => {
// Black box
}
_ => fx.tcx.sess.span_fatal(
stmt.source_info.span,
"Legacy `llvm_asm!` inline assembly is not supported. \
Try using the new `asm!` instead.",
),
}
}
StatementKind::Coverage { .. } => fx.tcx.sess.fatal("-Zcoverage is unimplemented"),
StatementKind::CopyNonOverlapping(inner) => {
let dst = codegen_operand(fx, &inner.dst);

2
compiler/rustc_codegen_cranelift/src/constant.rs
View file

@ -508,7 +508,7 @@ pub(crate) fn mir_operand_get_const_val<'tcx>(
{
return None;
}
StatementKind::LlvmInlineAsm(_) | StatementKind::CopyNonOverlapping(_) => {
StatementKind::CopyNonOverlapping(_) => {
return None;
} // conservative handling
StatementKind::Assign(_)