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Ensure volatile status for all atomic operations

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Fixes #2410
This commit is contained in:
Feoramund
2025-06-20 19:43:41 -04:00
parent 62c5805c91
commit 5b1113acb4
1 changed files with 18 additions and 16 deletions
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34
src/llvm_backend_proc.cpp
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@@ -2774,15 +2774,18 @@ gb_internal lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValu
LLVMSetMetadata(instr, kind_id, LLVMMetadataAsValue(p->module->ctx, node));
}
break;
case BuiltinProc_volatile_store: LLVMSetVolatile(instr, true); break;
case BuiltinProc_atomic_store: LLVMSetOrdering(instr, LLVMAtomicOrderingSequentiallyConsistent); break;
case BuiltinProc_volatile_store:
LLVMSetVolatile(instr, true);
break;
case BuiltinProc_atomic_store:
LLVMSetOrdering(instr, LLVMAtomicOrderingSequentiallyConsistent);
LLVMSetVolatile(instr, true);
break;
case BuiltinProc_atomic_store_explicit:
{
auto ordering = llvm_atomic_ordering_from_odin(ce->args[2]);
LLVMSetOrdering(instr, ordering);
if (ordering == LLVMAtomicOrderingUnordered) {
LLVMSetVolatile(instr, true);
}
LLVMSetVolatile(instr, true);
}
break;
}
@@ -2808,15 +2811,18 @@ gb_internal lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValu
}
break;
break;
case BuiltinProc_volatile_load: LLVMSetVolatile(instr, true); break;
case BuiltinProc_atomic_load: LLVMSetOrdering(instr, LLVMAtomicOrderingSequentiallyConsistent); break;
case BuiltinProc_volatile_load:
LLVMSetVolatile(instr, true);
break;
case BuiltinProc_atomic_load:
LLVMSetOrdering(instr, LLVMAtomicOrderingSequentiallyConsistent);
LLVMSetVolatile(instr, true);
break;
case BuiltinProc_atomic_load_explicit:
{
auto ordering = llvm_atomic_ordering_from_odin(ce->args[1]);
LLVMSetOrdering(instr, ordering);
if (ordering == LLVMAtomicOrderingUnordered) {
LLVMSetVolatile(instr, true);
}
LLVMSetVolatile(instr, true);
}
break;
}
@@ -2901,9 +2907,7 @@ gb_internal lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValu
lbValue res = {};
res.value = LLVMBuildAtomicRMW(p->builder, op, dst.value, val.value, ordering, false);
res.type = tv.type;
if (ordering == LLVMAtomicOrderingUnordered) {
LLVMSetVolatile(res.value, true);
}
LLVMSetVolatile(res.value, true);
return res;
}
@@ -2939,9 +2943,7 @@ gb_internal lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValu
single_threaded
);
LLVMSetWeak(value, weak);
if (success_ordering == LLVMAtomicOrderingUnordered || failure_ordering == LLVMAtomicOrderingUnordered) {
LLVMSetVolatile(value, true);
}
LLVMSetVolatile(value, true);
if (is_type_tuple(tv.type)) {
Type *fix_typed = alloc_type_tuple();