diff options
| -rw-r--r-- | compiler/rustc_passes/src/reachable.rs | 11 | ||||
| -rw-r--r-- | src/test/codegen-units/item-collection/asm-sym.rs | 20 |
2 files changed, 31 insertions, 0 deletions
diff --git a/compiler/rustc_passes/src/reachable.rs b/compiler/rustc_passes/src/reachable.rs index 73ea06a6370..e7c3c712852 100644 --- a/compiler/rustc_passes/src/reachable.rs +++ b/compiler/rustc_passes/src/reachable.rs @@ -116,6 +116,17 @@ impl<'tcx> Visitor<'tcx> for ReachableContext<'tcx> { intravisit::walk_expr(self, expr) } + + fn visit_inline_asm(&mut self, asm: &'tcx hir::InlineAsm<'tcx>, id: hir::HirId) { + for (op, _) in asm.operands { + if let hir::InlineAsmOperand::SymStatic { def_id, .. } = op { + if let Some(def_id) = def_id.as_local() { + self.reachable_symbols.insert(def_id); + } + } + } + intravisit::walk_inline_asm(self, asm, id); + } } impl<'tcx> ReachableContext<'tcx> { diff --git a/src/test/codegen-units/item-collection/asm-sym.rs b/src/test/codegen-units/item-collection/asm-sym.rs new file mode 100644 index 00000000000..8bafb95bc16 --- /dev/null +++ b/src/test/codegen-units/item-collection/asm-sym.rs @@ -0,0 +1,20 @@ +// needs-asm-support +// compile-flags: -Ccodegen-units=1 -Zprint-mono-items=lazy --crate-type=lib + +#[inline(always)] +pub unsafe fn f() { + //~ MONO_ITEM static f::S @@ asm_sym-cgu.0[External] + static S: usize = 1; + //~ MONO_ITEM fn f::fun @@ asm_sym-cgu.0[External] + fn fun() {} + core::arch::asm!("/* {0} {1} */", sym S, sym fun); +} + +//~ MONO_ITEM fn g @@ asm_sym-cgu.0[External] +pub unsafe fn g() { + //~ MONO_ITEM static g::S @@ asm_sym-cgu.0[Internal] + static S: usize = 2; + //~ MONO_ITEM fn g::fun @@ asm_sym-cgu.0[Internal] + fn fun() {} + core::arch::asm!("/* {0} {1} */", sym S, sym fun); +} |