authorgravatar for git@vexu.euVeikka Tuominen <git@vexu.eu> 2022-07-22 21:07:55+03:00
committergravatar for git@vexu.euVeikka Tuominen <git@vexu.eu> 2022-07-22 21:07:55+03:00
log03b1fbe50d302cdb961661c10bb51699b4dcbaf2
tree9419580acba06a94ccae2019bbe0631b39f54624
parent1f748fe42662da3ee2c977ba638a714e15acb433

stage2: fix airIsErr when `is_ptr == true`

3 files changed, 17 insertions(+), 3 deletions(-)

src/codegen/c.zig+3-2
......@@ -3618,8 +3618,9 @@ fn airIsErr(
36183618 const operand = try f.resolveInst(un_op);
36193619 const operand_ty = f.air.typeOf(un_op);
36203620 const local = try f.allocLocal(Type.initTag(.bool), .Const);
3621 const payload_ty = operand_ty.errorUnionPayload();
3622 const error_ty = operand_ty.errorUnionSet();
3621 const err_union_ty = if (is_ptr) operand_ty.childType() else operand_ty;
3622 const payload_ty = err_union_ty.errorUnionPayload();
3623 const error_ty = err_union_ty.errorUnionSet();
36233624
36243625 try writer.writeAll(" = ");
36253626
src/codegen/llvm.zig+2-1
......@@ -5693,7 +5693,8 @@ pub const FuncGen = struct {
56935693
56945694 const un_op = self.air.instructions.items(.data)[inst].un_op;
56955695 const operand = try self.resolveInst(un_op);
5696 const err_union_ty = self.air.typeOf(un_op);
5696 const operand_ty = self.air.typeOf(un_op);
5697 const err_union_ty = if (operand_is_ptr) operand_ty.childType() else operand_ty;
56975698 const payload_ty = err_union_ty.errorUnionPayload();
56985699 const err_set_ty = try self.dg.lowerType(Type.initTag(.anyerror));
56995700 const zero = err_set_ty.constNull();
test/behavior/error.zig+12
......@@ -724,3 +724,15 @@ test "simple else prong allowed even when all errors handled" {
724724 };
725725 try expect(value == 255);
726726}
727
728test {
729 if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
730 if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
731 if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
732 if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
733
734 var err_union: anyerror!u8 = 15;
735
736 const payload_ptr = &(err_union catch unreachable);
737 try expect(payload_ptr.* == 15);
738}