diff options
Diffstat (limited to 'src/codegen.cpp')
| -rw-r--r-- | src/codegen.cpp | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/src/codegen.cpp b/src/codegen.cpp index 89dc23f428..315699b826 100644 --- a/src/codegen.cpp +++ b/src/codegen.cpp @@ -4132,8 +4132,9 @@ static LLVMValueRef ir_render_atomic_rmw(CodeGen *g, IrExecutable *executable, IrInstructionAtomicRmw *instruction) { bool is_signed; - if (instruction->operand->value.type->id == TypeTableEntryIdInt) { - is_signed = instruction->operand->value.type->data.integral.is_signed; + TypeTableEntry *operand_type = instruction->operand->value.type; + if (operand_type->id == TypeTableEntryIdInt) { + is_signed = operand_type->data.integral.is_signed; } else { is_signed = false; } @@ -4141,7 +4142,17 @@ static LLVMValueRef ir_render_atomic_rmw(CodeGen *g, IrExecutable *executable, LLVMAtomicOrdering ordering = to_LLVMAtomicOrdering(instruction->resolved_ordering); LLVMValueRef ptr = ir_llvm_value(g, instruction->ptr); LLVMValueRef operand = ir_llvm_value(g, instruction->operand); - return LLVMBuildAtomicRMW(g->builder, op, ptr, operand, ordering, false); + + if (get_codegen_ptr_type(operand_type) == nullptr) { + return LLVMBuildAtomicRMW(g->builder, op, ptr, operand, ordering, false); + } + + // it's a pointer but we need to treat it as an int + LLVMValueRef casted_ptr = LLVMBuildBitCast(g->builder, ptr, + LLVMPointerType(g->builtin_types.entry_usize->type_ref, 0), ""); + LLVMValueRef casted_operand = LLVMBuildPtrToInt(g->builder, operand, g->builtin_types.entry_usize->type_ref, ""); + LLVMValueRef uncasted_result = LLVMBuildAtomicRMW(g->builder, op, casted_ptr, casted_operand, ordering, false); + return LLVMBuildIntToPtr(g->builder, uncasted_result, operand_type->type_ref, ""); } static void set_debug_location(CodeGen *g, IrInstruction *instruction) { |