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Reimplement lowering of sym operands for asm! so that it also works with global_asm!

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Amanieu d'Antras
2022-03-01 00:50:56 +00:00
parent f9d4d12b6a
commit dc345d8bff
28 changed files with 400 additions and 163 deletions
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10
compiler/rustc_passes/src/liveness.rs
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@@ -1043,7 +1043,8 @@ impl<'a, 'tcx> Liveness<'a, 'tcx> {
match op {
hir::InlineAsmOperand::In { .. }
| hir::InlineAsmOperand::Const { .. }
| hir::InlineAsmOperand::Sym { .. } => {}
| hir::InlineAsmOperand::SymFn { .. }
| hir::InlineAsmOperand::SymStatic { .. } => {}
hir::InlineAsmOperand::Out { expr, .. } => {
if let Some(expr) = expr {
succ = self.write_place(expr, succ, ACC_WRITE);
@@ -1064,8 +1065,7 @@ impl<'a, 'tcx> Liveness<'a, 'tcx> {
let mut succ = succ;
for (op, _op_sp) in asm.operands.iter().rev() {
match op {
hir::InlineAsmOperand::In { expr, .. }
| hir::InlineAsmOperand::Sym { expr, .. } => {
hir::InlineAsmOperand::In { expr, .. } => {
succ = self.propagate_through_expr(expr, succ)
}
hir::InlineAsmOperand::Out { expr, .. } => {
@@ -1082,7 +1082,9 @@ impl<'a, 'tcx> Liveness<'a, 'tcx> {
}
succ = self.propagate_through_expr(in_expr, succ);
}
hir::InlineAsmOperand::Const { .. } => {}
hir::InlineAsmOperand::Const { .. }
| hir::InlineAsmOperand::SymFn { .. }
| hir::InlineAsmOperand::SymStatic { .. } => {}
}
}
succ