unary minus

2026-06-12 17:55:07 +02:00
parent 66e41e1d9a
commit 94e56f6888
14 changed files with 378 additions and 18 deletions
@@ -138,6 +138,9 @@ lower_expr :: proc(state: ^State, expr_id: hir.Expr_Id) -> ir.Instruction_Id {
 			case .Widen:
 				stack[frame_index].stage = 1
 				append(&stack, Lower_Expr_Frame{expr=expr.left})
+			case .Negate:
+				stack[frame_index].stage = 5
+				append(&stack, Lower_Expr_Frame{expr=expr.left})
 			case .Add:
 				stack[frame_index].stage = 2
 				append(&stack, Lower_Expr_Frame{expr=expr.left})
@@ -156,6 +159,14 @@ lower_expr :: proc(state: ^State, expr_id: hir.Expr_Id) -> ir.Instruction_Id {
 			}
 			continue
 		}
+		if frame.stage == 5 {
+			last = append_instruction(state, ir.Instruction{
+				op=.Neg_Checked, span=expr.span, type=expr.type, target=ir.INVALID_REF,
+				a=last, b=ir.INVALID_INSTRUCTION, diagnostic=source.INVALID_DIAGNOSTIC,
+			})
+			_ = pop(&stack)
+			continue
+		}
 		if frame.stage == 1 {
 			last = append_instruction(state, ir.Instruction{
 				op=.Widen, span=expr.span, type=expr.type, target=ir.INVALID_REF,