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- // Part of the Carbon Language project, under the Apache License v2.0 with LLVM
- // Exceptions. See /LICENSE for license information.
- // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
- //
- // AUTOUPDATE
- // --- int_div.carbon
- fn Mod(a: i32, b: i32) -> i32 = "int.smod";
- var arr: [i32; Mod(5, 3)];
- let arr_p: [i32; 2]* = &arr;
- fn RuntimeCall(a: i32, b: i32) -> i32 {
- return Mod(a, b);
- }
- // --- fail_overflow.carbon
- package FailOverflow api;
- fn Mod(a: i32, b: i32) -> i32 = "int.smod";
- fn Sub(a: i32, b: i32) -> i32 = "int.ssub";
- fn Negate(a: i32) -> i32 = "int.snegate";
- // -0x7FFF_FFFF % -1 is OK.
- let a: i32 = Mod(Negate(0x7FFF_FFFF), Negate(1));
- // -0x8000_0000 % 1 is OK.
- let b: i32 = Mod(Sub(Negate(0x7FFF_FFFF), 1), 1);
- // -0x8000_0000 / -1 overflows, so -0x8000_0000 % -1 is disallowed, even though
- // its result is representable.
- // CHECK:STDERR: fail_overflow.carbon:[[@LINE+4]]:14: ERROR: Integer overflow in calculation -2147483648 % -1.
- // CHECK:STDERR: let c: i32 = Mod(Sub(Negate(0x7FFF_FFFF), 1), Negate(1));
- // CHECK:STDERR: ^~~~
- // CHECK:STDERR:
- let c: i32 = Mod(Sub(Negate(0x7FFF_FFFF), 1), Negate(1));
- // --- fail_div_by_zero.carbon
- package FailDivByZero api;
- fn Mod(a: i32, b: i32) -> i32 = "int.smod";
- // Remainder of division by zero is not defined.
- // CHECK:STDERR: fail_div_by_zero.carbon:[[@LINE+4]]:14: ERROR: Division by zero.
- // CHECK:STDERR: let a: i32 = Mod(1, 0);
- // CHECK:STDERR: ^~~~
- // CHECK:STDERR:
- let a: i32 = Mod(1, 0);
- // CHECK:STDERR: fail_div_by_zero.carbon:[[@LINE+3]]:14: ERROR: Division by zero.
- // CHECK:STDERR: let b: i32 = Mod(0, 0);
- // CHECK:STDERR: ^~~~
- let b: i32 = Mod(0, 0);
- // CHECK:STDOUT: --- int_div.carbon
- // CHECK:STDOUT:
- // CHECK:STDOUT: constants {
- // CHECK:STDOUT: %Mod: type = fn_type @Mod [template]
- // CHECK:STDOUT: %.1: type = tuple_type () [template]
- // CHECK:STDOUT: %struct.1: Mod = struct_value () [template]
- // CHECK:STDOUT: %.2: i32 = int_literal 5 [template]
- // CHECK:STDOUT: %.3: i32 = int_literal 3 [template]
- // CHECK:STDOUT: %.4: i32 = int_literal 2 [template]
- // CHECK:STDOUT: %.5: type = array_type %.4, i32 [template]
- // CHECK:STDOUT: %.6: type = ptr_type [i32; 2] [template]
- // CHECK:STDOUT: %RuntimeCall: type = fn_type @RuntimeCall [template]
- // CHECK:STDOUT: %struct.2: RuntimeCall = struct_value () [template]
- // CHECK:STDOUT: }
- // CHECK:STDOUT:
- // CHECK:STDOUT: file {
- // CHECK:STDOUT: package: <namespace> = namespace [template] {
- // CHECK:STDOUT: .Core = %Core
- // CHECK:STDOUT: .Mod = %Mod.decl
- // CHECK:STDOUT: .arr = %arr
- // CHECK:STDOUT: .RuntimeCall = %RuntimeCall.decl
- // CHECK:STDOUT: }
- // CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
- // CHECK:STDOUT: %Mod.decl: Mod = fn_decl @Mod [template = constants.%struct.1] {
- // CHECK:STDOUT: %a.loc2_8.1: i32 = param a
- // CHECK:STDOUT: @Mod.%a: i32 = bind_name a, %a.loc2_8.1
- // CHECK:STDOUT: %b.loc2_16.1: i32 = param b
- // CHECK:STDOUT: @Mod.%b: i32 = bind_name b, %b.loc2_16.1
- // CHECK:STDOUT: @Mod.%return: ref i32 = var <return slot>
- // CHECK:STDOUT: }
- // CHECK:STDOUT: %Mod.ref: Mod = name_ref Mod, %Mod.decl [template = constants.%struct.1]
- // CHECK:STDOUT: %.loc4_20: i32 = int_literal 5 [template = constants.%.2]
- // CHECK:STDOUT: %.loc4_23: i32 = int_literal 3 [template = constants.%.3]
- // CHECK:STDOUT: %int.smod: init i32 = call %Mod.ref(%.loc4_20, %.loc4_23) [template = constants.%.4]
- // CHECK:STDOUT: %.loc4_25: type = array_type %int.smod, i32 [template = constants.%.5]
- // CHECK:STDOUT: %arr.var: ref [i32; 2] = var arr
- // CHECK:STDOUT: %arr: ref [i32; 2] = bind_name arr, %arr.var
- // CHECK:STDOUT: %.loc5_18: i32 = int_literal 2 [template = constants.%.4]
- // CHECK:STDOUT: %.loc5_19: type = array_type %.loc5_18, i32 [template = constants.%.5]
- // CHECK:STDOUT: %.loc5_20: type = ptr_type [i32; 2] [template = constants.%.6]
- // CHECK:STDOUT: %arr.ref: ref [i32; 2] = name_ref arr, %arr
- // CHECK:STDOUT: %.loc5_24: [i32; 2]* = addr_of %arr.ref
- // CHECK:STDOUT: %arr_p: [i32; 2]* = bind_name arr_p, %.loc5_24
- // CHECK:STDOUT: %RuntimeCall.decl: RuntimeCall = fn_decl @RuntimeCall [template = constants.%struct.2] {
- // CHECK:STDOUT: %a.loc7_16.1: i32 = param a
- // CHECK:STDOUT: @RuntimeCall.%a: i32 = bind_name a, %a.loc7_16.1
- // CHECK:STDOUT: %b.loc7_24.1: i32 = param b
- // CHECK:STDOUT: @RuntimeCall.%b: i32 = bind_name b, %b.loc7_24.1
- // CHECK:STDOUT: @RuntimeCall.%return: ref i32 = var <return slot>
- // CHECK:STDOUT: }
- // CHECK:STDOUT: }
- // CHECK:STDOUT:
- // CHECK:STDOUT: fn @Mod(%a: i32, %b: i32) -> i32 = "int.smod";
- // CHECK:STDOUT:
- // CHECK:STDOUT: fn @RuntimeCall(%a: i32, %b: i32) -> i32 {
- // CHECK:STDOUT: !entry:
- // CHECK:STDOUT: %Mod.ref: Mod = name_ref Mod, file.%Mod.decl [template = constants.%struct.1]
- // CHECK:STDOUT: %a.ref: i32 = name_ref a, %a
- // CHECK:STDOUT: %b.ref: i32 = name_ref b, %b
- // CHECK:STDOUT: %int.smod: init i32 = call %Mod.ref(%a.ref, %b.ref)
- // CHECK:STDOUT: %.loc8_19.1: i32 = value_of_initializer %int.smod
- // CHECK:STDOUT: %.loc8_19.2: i32 = converted %int.smod, %.loc8_19.1
- // CHECK:STDOUT: return %.loc8_19.2
- // CHECK:STDOUT: }
- // CHECK:STDOUT:
- // CHECK:STDOUT: --- fail_overflow.carbon
- // CHECK:STDOUT:
- // CHECK:STDOUT: constants {
- // CHECK:STDOUT: %Mod: type = fn_type @Mod [template]
- // CHECK:STDOUT: %.1: type = tuple_type () [template]
- // CHECK:STDOUT: %struct.1: Mod = struct_value () [template]
- // CHECK:STDOUT: %Sub: type = fn_type @Sub [template]
- // CHECK:STDOUT: %struct.2: Sub = struct_value () [template]
- // CHECK:STDOUT: %Negate: type = fn_type @Negate [template]
- // CHECK:STDOUT: %struct.3: Negate = struct_value () [template]
- // CHECK:STDOUT: %.2: i32 = int_literal 2147483647 [template]
- // CHECK:STDOUT: %.3: i32 = int_literal -2147483647 [template]
- // CHECK:STDOUT: %.4: i32 = int_literal 1 [template]
- // CHECK:STDOUT: %.5: i32 = int_literal -1 [template]
- // CHECK:STDOUT: %.6: i32 = int_literal 0 [template]
- // CHECK:STDOUT: %.7: i32 = int_literal -2147483648 [template]
- // CHECK:STDOUT: }
- // CHECK:STDOUT:
- // CHECK:STDOUT: file {
- // CHECK:STDOUT: package: <namespace> = namespace [template] {
- // CHECK:STDOUT: .Core = %Core
- // CHECK:STDOUT: .Mod = %Mod.decl
- // CHECK:STDOUT: .Sub = %Sub.decl
- // CHECK:STDOUT: .Negate = %Negate.decl
- // CHECK:STDOUT: }
- // CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
- // CHECK:STDOUT: %Mod.decl: Mod = fn_decl @Mod [template = constants.%struct.1] {
- // CHECK:STDOUT: %a.loc4_8.1: i32 = param a
- // CHECK:STDOUT: @Mod.%a: i32 = bind_name a, %a.loc4_8.1
- // CHECK:STDOUT: %b.loc4_16.1: i32 = param b
- // CHECK:STDOUT: @Mod.%b: i32 = bind_name b, %b.loc4_16.1
- // CHECK:STDOUT: @Mod.%return: ref i32 = var <return slot>
- // CHECK:STDOUT: }
- // CHECK:STDOUT: %Sub.decl: Sub = fn_decl @Sub [template = constants.%struct.2] {
- // CHECK:STDOUT: %a.loc5_8.1: i32 = param a
- // CHECK:STDOUT: @Sub.%a: i32 = bind_name a, %a.loc5_8.1
- // CHECK:STDOUT: %b.loc5_16.1: i32 = param b
- // CHECK:STDOUT: @Sub.%b: i32 = bind_name b, %b.loc5_16.1
- // CHECK:STDOUT: @Sub.%return: ref i32 = var <return slot>
- // CHECK:STDOUT: }
- // CHECK:STDOUT: %Negate.decl: Negate = fn_decl @Negate [template = constants.%struct.3] {
- // CHECK:STDOUT: %a.loc6_11.1: i32 = param a
- // CHECK:STDOUT: @Negate.%a: i32 = bind_name a, %a.loc6_11.1
- // CHECK:STDOUT: @Negate.%return: ref i32 = var <return slot>
- // CHECK:STDOUT: }
- // CHECK:STDOUT: %Mod.ref.loc9: Mod = name_ref Mod, %Mod.decl [template = constants.%struct.1]
- // CHECK:STDOUT: %Negate.ref.loc9_18: Negate = name_ref Negate, %Negate.decl [template = constants.%struct.3]
- // CHECK:STDOUT: %.loc9_25: i32 = int_literal 2147483647 [template = constants.%.2]
- // CHECK:STDOUT: %int.snegate.loc9_24: init i32 = call %Negate.ref.loc9_18(%.loc9_25) [template = constants.%.3]
- // CHECK:STDOUT: %Negate.ref.loc9_39: Negate = name_ref Negate, %Negate.decl [template = constants.%struct.3]
- // CHECK:STDOUT: %.loc9_46: i32 = int_literal 1 [template = constants.%.4]
- // CHECK:STDOUT: %int.snegate.loc9_45: init i32 = call %Negate.ref.loc9_39(%.loc9_46) [template = constants.%.5]
- // CHECK:STDOUT: %.loc9_17.1: i32 = value_of_initializer %int.snegate.loc9_24 [template = constants.%.3]
- // CHECK:STDOUT: %.loc9_17.2: i32 = converted %int.snegate.loc9_24, %.loc9_17.1 [template = constants.%.3]
- // CHECK:STDOUT: %.loc9_17.3: i32 = value_of_initializer %int.snegate.loc9_45 [template = constants.%.5]
- // CHECK:STDOUT: %.loc9_17.4: i32 = converted %int.snegate.loc9_45, %.loc9_17.3 [template = constants.%.5]
- // CHECK:STDOUT: %int.smod.loc9: init i32 = call %Mod.ref.loc9(%.loc9_17.2, %.loc9_17.4) [template = constants.%.6]
- // CHECK:STDOUT: %.loc9_49.1: i32 = value_of_initializer %int.smod.loc9 [template = constants.%.6]
- // CHECK:STDOUT: %.loc9_49.2: i32 = converted %int.smod.loc9, %.loc9_49.1 [template = constants.%.6]
- // CHECK:STDOUT: %a.loc9: i32 = bind_name a, %.loc9_49.2
- // CHECK:STDOUT: %Mod.ref.loc12: Mod = name_ref Mod, %Mod.decl [template = constants.%struct.1]
- // CHECK:STDOUT: %Sub.ref.loc12: Sub = name_ref Sub, %Sub.decl [template = constants.%struct.2]
- // CHECK:STDOUT: %Negate.ref.loc12: Negate = name_ref Negate, %Negate.decl [template = constants.%struct.3]
- // CHECK:STDOUT: %.loc12_29: i32 = int_literal 2147483647 [template = constants.%.2]
- // CHECK:STDOUT: %int.snegate.loc12: init i32 = call %Negate.ref.loc12(%.loc12_29) [template = constants.%.3]
- // CHECK:STDOUT: %.loc12_43: i32 = int_literal 1 [template = constants.%.4]
- // CHECK:STDOUT: %.loc12_21.1: i32 = value_of_initializer %int.snegate.loc12 [template = constants.%.3]
- // CHECK:STDOUT: %.loc12_21.2: i32 = converted %int.snegate.loc12, %.loc12_21.1 [template = constants.%.3]
- // CHECK:STDOUT: %int.ssub.loc12: init i32 = call %Sub.ref.loc12(%.loc12_21.2, %.loc12_43) [template = constants.%.7]
- // CHECK:STDOUT: %.loc12_47: i32 = int_literal 1 [template = constants.%.4]
- // CHECK:STDOUT: %.loc12_17.1: i32 = value_of_initializer %int.ssub.loc12 [template = constants.%.7]
- // CHECK:STDOUT: %.loc12_17.2: i32 = converted %int.ssub.loc12, %.loc12_17.1 [template = constants.%.7]
- // CHECK:STDOUT: %int.smod.loc12: init i32 = call %Mod.ref.loc12(%.loc12_17.2, %.loc12_47) [template = constants.%.6]
- // CHECK:STDOUT: %.loc12_49.1: i32 = value_of_initializer %int.smod.loc12 [template = constants.%.6]
- // CHECK:STDOUT: %.loc12_49.2: i32 = converted %int.smod.loc12, %.loc12_49.1 [template = constants.%.6]
- // CHECK:STDOUT: %b.loc12: i32 = bind_name b, %.loc12_49.2
- // CHECK:STDOUT: %Mod.ref.loc20: Mod = name_ref Mod, %Mod.decl [template = constants.%struct.1]
- // CHECK:STDOUT: %Sub.ref.loc20: Sub = name_ref Sub, %Sub.decl [template = constants.%struct.2]
- // CHECK:STDOUT: %Negate.ref.loc20_22: Negate = name_ref Negate, %Negate.decl [template = constants.%struct.3]
- // CHECK:STDOUT: %.loc20_29: i32 = int_literal 2147483647 [template = constants.%.2]
- // CHECK:STDOUT: %int.snegate.loc20_28: init i32 = call %Negate.ref.loc20_22(%.loc20_29) [template = constants.%.3]
- // CHECK:STDOUT: %.loc20_43: i32 = int_literal 1 [template = constants.%.4]
- // CHECK:STDOUT: %.loc20_21.1: i32 = value_of_initializer %int.snegate.loc20_28 [template = constants.%.3]
- // CHECK:STDOUT: %.loc20_21.2: i32 = converted %int.snegate.loc20_28, %.loc20_21.1 [template = constants.%.3]
- // CHECK:STDOUT: %int.ssub.loc20: init i32 = call %Sub.ref.loc20(%.loc20_21.2, %.loc20_43) [template = constants.%.7]
- // CHECK:STDOUT: %Negate.ref.loc20_47: Negate = name_ref Negate, %Negate.decl [template = constants.%struct.3]
- // CHECK:STDOUT: %.loc20_54: i32 = int_literal 1 [template = constants.%.4]
- // CHECK:STDOUT: %int.snegate.loc20_53: init i32 = call %Negate.ref.loc20_47(%.loc20_54) [template = constants.%.5]
- // CHECK:STDOUT: %.loc20_17.1: i32 = value_of_initializer %int.ssub.loc20 [template = constants.%.7]
- // CHECK:STDOUT: %.loc20_17.2: i32 = converted %int.ssub.loc20, %.loc20_17.1 [template = constants.%.7]
- // CHECK:STDOUT: %.loc20_17.3: i32 = value_of_initializer %int.snegate.loc20_53 [template = constants.%.5]
- // CHECK:STDOUT: %.loc20_17.4: i32 = converted %int.snegate.loc20_53, %.loc20_17.3 [template = constants.%.5]
- // CHECK:STDOUT: %int.smod.loc20: init i32 = call %Mod.ref.loc20(%.loc20_17.2, %.loc20_17.4) [template = constants.%.6]
- // CHECK:STDOUT: %.loc20_57.1: i32 = value_of_initializer %int.smod.loc20 [template = constants.%.6]
- // CHECK:STDOUT: %.loc20_57.2: i32 = converted %int.smod.loc20, %.loc20_57.1 [template = constants.%.6]
- // CHECK:STDOUT: %c: i32 = bind_name c, %.loc20_57.2
- // CHECK:STDOUT: }
- // CHECK:STDOUT:
- // CHECK:STDOUT: fn @Mod(%a: i32, %b: i32) -> i32 = "int.smod";
- // CHECK:STDOUT:
- // CHECK:STDOUT: fn @Sub(%a: i32, %b: i32) -> i32 = "int.ssub";
- // CHECK:STDOUT:
- // CHECK:STDOUT: fn @Negate(%a: i32) -> i32 = "int.snegate";
- // CHECK:STDOUT:
- // CHECK:STDOUT: --- fail_div_by_zero.carbon
- // CHECK:STDOUT:
- // CHECK:STDOUT: constants {
- // CHECK:STDOUT: %Mod: type = fn_type @Mod [template]
- // CHECK:STDOUT: %.1: type = tuple_type () [template]
- // CHECK:STDOUT: %struct: Mod = struct_value () [template]
- // CHECK:STDOUT: %.2: i32 = int_literal 1 [template]
- // CHECK:STDOUT: %.3: i32 = int_literal 0 [template]
- // CHECK:STDOUT: }
- // CHECK:STDOUT:
- // CHECK:STDOUT: file {
- // CHECK:STDOUT: package: <namespace> = namespace [template] {
- // CHECK:STDOUT: .Core = %Core
- // CHECK:STDOUT: .Mod = %Mod.decl
- // CHECK:STDOUT: }
- // CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
- // CHECK:STDOUT: %Mod.decl: Mod = fn_decl @Mod [template = constants.%struct] {
- // CHECK:STDOUT: %a.loc4_8.1: i32 = param a
- // CHECK:STDOUT: @Mod.%a: i32 = bind_name a, %a.loc4_8.1
- // CHECK:STDOUT: %b.loc4_16.1: i32 = param b
- // CHECK:STDOUT: @Mod.%b: i32 = bind_name b, %b.loc4_16.1
- // CHECK:STDOUT: @Mod.%return: ref i32 = var <return slot>
- // CHECK:STDOUT: }
- // CHECK:STDOUT: %Mod.ref.loc12: Mod = name_ref Mod, %Mod.decl [template = constants.%struct]
- // CHECK:STDOUT: %.loc12_18: i32 = int_literal 1 [template = constants.%.2]
- // CHECK:STDOUT: %.loc12_21: i32 = int_literal 0 [template = constants.%.3]
- // CHECK:STDOUT: %int.smod.loc12: init i32 = call %Mod.ref.loc12(%.loc12_18, %.loc12_21) [template = <error>]
- // CHECK:STDOUT: %.loc12_23.1: i32 = value_of_initializer %int.smod.loc12 [template = <error>]
- // CHECK:STDOUT: %.loc12_23.2: i32 = converted %int.smod.loc12, %.loc12_23.1 [template = <error>]
- // CHECK:STDOUT: %a.loc12: i32 = bind_name a, %.loc12_23.2
- // CHECK:STDOUT: %Mod.ref.loc17: Mod = name_ref Mod, %Mod.decl [template = constants.%struct]
- // CHECK:STDOUT: %.loc17_18: i32 = int_literal 0 [template = constants.%.3]
- // CHECK:STDOUT: %.loc17_21: i32 = int_literal 0 [template = constants.%.3]
- // CHECK:STDOUT: %int.smod.loc17: init i32 = call %Mod.ref.loc17(%.loc17_18, %.loc17_21) [template = <error>]
- // CHECK:STDOUT: %.loc17_23.1: i32 = value_of_initializer %int.smod.loc17 [template = <error>]
- // CHECK:STDOUT: %.loc17_23.2: i32 = converted %int.smod.loc17, %.loc17_23.1 [template = <error>]
- // CHECK:STDOUT: %b.loc17: i32 = bind_name b, %.loc17_23.2
- // CHECK:STDOUT: }
- // CHECK:STDOUT:
- // CHECK:STDOUT: fn @Mod(%a: i32, %b: i32) -> i32 = "int.smod";
- // CHECK:STDOUT:
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