| // RUN: %target-swift-frontend %s -emit-sil -O -o - -sil-verify-all | %FileCheck %s |
| |
| sil_stage canonical |
| |
| import Builtin |
| import Swift |
| import SwiftShims |
| |
| // top_level_code |
| sil private @top_level_code : $@convention(thin) () -> () { |
| bb0: |
| %0 = tuple () // user: %1 |
| return %0 : $() // id: %1 |
| } |
| |
| struct BuiltinWord { |
| var value: Builtin.Word |
| } |
| |
| struct BuiltinUWord { |
| var value: Builtin.Word |
| } |
| |
| // peephole: UInt16(Int32(x >> 1)) -> (x >> 1) |
| // CHECK-LABEL: sil @_TF4test36test_uint16_trunc_u_to_s_zext_lshr_1FVs6UInt16S0_ : $@convention(thin) (UInt16) -> UInt16 |
| // CHECK: builtin "lshr_Int16" |
| // CHECK-NOT: builtin "zext_Int16_Int32" |
| // CHECK-NOT: builtin "s_to_u_checked_trunc_Int32_Int16" |
| // CHECK-NOT: tuple_extract |
| // CHECK: return |
| // test.test_uint16_trunc_u_to_s_zext_lshr_1 (Swift.UInt16) -> Swift.UInt16 |
| sil @_TF4test36test_uint16_trunc_u_to_s_zext_lshr_1FVs6UInt16S0_ : $@convention(thin) (UInt16) -> UInt16 { |
| bb0(%0 : $UInt16): |
| debug_value %0 : $UInt16, let, name "x" // id: %1 |
| %2 = integer_literal $Builtin.Int16, 1 // user: %7 |
| br bb1 // id: %3 |
| |
| bb1: // Preds: bb0 |
| br bb2 // id: %4 |
| |
| bb2: // Preds: bb1 |
| %6 = struct_extract %0 : $UInt16, #UInt16._value // user: %7 |
| %7 = builtin "lshr_Int16"(%6 : $Builtin.Int16, %2 : $Builtin.Int16) : $Builtin.Int16 // user: %8 |
| %8 = struct $UInt16 (%7 : $Builtin.Int16) // user: %10 |
| br bb3 // id: %9 |
| |
| bb3: // Preds: bb2 |
| %10 = struct_extract %8 : $UInt16, #UInt16._value // user: %12 |
| %12 = builtin "zext_Int16_Int32"(%10 : $Builtin.Int16) : $Builtin.Int32 // user: %13 |
| %13 = struct $Int32 (%12 : $Builtin.Int32) // user: %14 |
| %14 = struct_extract %13 : $Int32, #Int32._value // user: %16 |
| %16 = builtin "s_to_u_checked_trunc_Int32_Int16"(%14 : $Builtin.Int32) : $(Builtin.Int16, Builtin.Int1) // users: %17, %18 |
| %17 = tuple_extract %16 : $(Builtin.Int16, Builtin.Int1), 0 // user: %20 |
| %18 = tuple_extract %16 : $(Builtin.Int16, Builtin.Int1), 1 // user: %19 |
| cond_fail %18 : $Builtin.Int1 // id: %19 |
| %20 = struct $UInt16 (%17 : $Builtin.Int16) // users: %21, %22 |
| debug_value %20 : $UInt16, let, name "v1" // id: %21 |
| return %20 : $UInt16 // id: %22 |
| } |
| |
| |
| // peephole: Int16(Int32(x >> 1)) -> (x >> 1) |
| // CHECK-LABEL: sil @_TF4test35test_int16_trunc_u_to_s_zext_lshr_1FVs6UInt16Vs5Int16 : $@convention(thin) (UInt16) -> Int16 |
| // CHECK: builtin "lshr_Int16" |
| // CHECK-NOT: builtin "zext_Int16_Int32" |
| // CHECK-NOT: builtin "s_to_u_checked_trunc_Int32_Int16" |
| // CHECK-NOT: tuple_extract |
| // CHECK: return |
| // test.test_int16_trunc_u_to_s_zext_lshr_1 (Swift.UInt16) -> Swift.Int16 |
| sil @_TF4test35test_int16_trunc_u_to_s_zext_lshr_1FVs6UInt16Vs5Int16 : $@convention(thin) (UInt16) -> Int16 { |
| bb0(%0 : $UInt16): |
| debug_value %0 : $UInt16, let, name "x" // id: %1 |
| %2 = integer_literal $Builtin.Int16, 1 // user: %7 |
| br bb1 // id: %3 |
| |
| bb1: // Preds: bb0 |
| br bb2 // id: %4 |
| |
| bb2: // Preds: bb1 |
| %6 = struct_extract %0 : $UInt16, #UInt16._value // user: %7 |
| %7 = builtin "lshr_Int16"(%6 : $Builtin.Int16, %2 : $Builtin.Int16) : $Builtin.Int16 // user: %8 |
| %8 = struct $UInt16 (%7 : $Builtin.Int16) // user: %10 |
| br bb3 // id: %9 |
| |
| bb3: // Preds: bb2 |
| %10 = struct_extract %8 : $UInt16, #UInt16._value // user: %12 |
| %12 = builtin "zext_Int16_Int32"(%10 : $Builtin.Int16) : $Builtin.Int32 // user: %13 |
| %13 = struct $Int32 (%12 : $Builtin.Int32) // user: %14 |
| %14 = struct_extract %13 : $Int32, #Int32._value // user: %16 |
| %16 = builtin "s_to_s_checked_trunc_Int32_Int16"(%14 : $Builtin.Int32) : $(Builtin.Int16, Builtin.Int1) // users: %17, %18 |
| %17 = tuple_extract %16 : $(Builtin.Int16, Builtin.Int1), 0 // user: %20 |
| %18 = tuple_extract %16 : $(Builtin.Int16, Builtin.Int1), 1 // user: %19 |
| cond_fail %18 : $Builtin.Int1 // id: %19 |
| %20 = struct $Int16 (%17 : $Builtin.Int16) // users: %21, %22 |
| debug_value %20 : $Int16, let, name "v1" // id: %21 |
| return %20 : $Int16 // id: %22 |
| } |
| |
| // sizeof is known to return strictly positive values |
| // But Word ->Int64 is not a safe conversion |
| // No peephole for UInt16(UInt32(sizeof(Int.self))) |
| // CHECK-LABEL: sil @_TF4test35test_int16_trunc_s_to_u_zext_sizeofFT_Vs6UInt16 : $@convention(thin) () -> UInt16 |
| // CHECK: builtin "zextOrBitCast_Word_Int64" |
| // CHECK: builtin "s_to_u_checked_trunc_Int64_Int32" |
| // CHECK: builtin "u_to_u_checked_trunc_Int32_Int16" |
| // CHECK: return |
| // test.test_int16_trunc_s_to_u_zext_sizeof () -> Swift.UInt16 |
| sil @_TF4test35test_int16_trunc_s_to_u_zext_sizeofFT_Vs6UInt16 : $@convention(thin) () -> UInt16 { |
| bb0: |
| %0 = metatype $@thin Int.Type |
| %2 = metatype $@thick Int.Type // user: %3 |
| %3 = builtin "sizeof"<(Int)>(%2 : $@thick (Int).Type) : $Builtin.Word // user: %4 |
| %4 = tuple () |
| %6 = tuple () |
| %7 = builtin "zextOrBitCast_Word_Int64"(%3 : $Builtin.Word) : $Builtin.Int64 // user: %9 |
| %9 = builtin "s_to_u_checked_trunc_Int64_Int32"(%7 : $Builtin.Int64) : $(Builtin.Int32, Builtin.Int1) // users: %10, %11 |
| %10 = tuple_extract %9 : $(Builtin.Int32, Builtin.Int1), 0 // user: %13 |
| %11 = tuple_extract %9 : $(Builtin.Int32, Builtin.Int1), 1 // user: %12 |
| cond_fail %11 : $Builtin.Int1 // id: %12 |
| %13 = struct $UInt32 (%10 : $Builtin.Int32) // user: %14 |
| %14 = struct_extract %13 : $UInt32, #UInt32._value // user: %16 |
| %16 = builtin "u_to_u_checked_trunc_Int32_Int16"(%14 : $Builtin.Int32) : $(Builtin.Int16, Builtin.Int1) // users: %17, %18 |
| %17 = tuple_extract %16 : $(Builtin.Int16, Builtin.Int1), 0 // user: %20 |
| %18 = tuple_extract %16 : $(Builtin.Int16, Builtin.Int1), 1 // user: %19 |
| cond_fail %18 : $Builtin.Int1 // id: %19 |
| %20 = struct $UInt16 (%17 : $Builtin.Int16) // user: %21 |
| return %20 : $UInt16 // id: %21 |
| } |
| |
| // peephole: Int8(x & 127) -> remove overflow check |
| // CHECK-LABEL: sil @_TF22peephole_trunc_and_ext32test_s_to_s_checked_trunc_of_andFVs5Int32Vs4Int8 : $@convention(thin) (Int32) -> Int8 |
| // CHECK: builtin "and_Int32" |
| // CHECK: builtin "s_to_s_checked_trunc_Int32_Int8" |
| // CHECK-NOT: cond_fail |
| // CHECK: return |
| // peephole_trunc_and_ext.test_s_to_s_checked_trunc_of_and (Swift.Int32) -> Swift.Int8 |
| sil @_TF22peephole_trunc_and_ext32test_s_to_s_checked_trunc_of_andFVs5Int32Vs4Int8 : $@convention(thin) (Int32) -> Int8 { |
| bb0(%0 : $Int32): |
| debug_value %0 : $Int32, let, name "x" // id: %1 |
| %2 = integer_literal $Builtin.Int32, 127 // user: %5 |
| %4 = struct_extract %0 : $Int32, #Int32._value // user: %5 |
| %5 = builtin "and_Int32"(%4 : $Builtin.Int32, %2 : $Builtin.Int32) : $Builtin.Int32 // user: %6 |
| %6 = struct $Int32 (%5 : $Builtin.Int32) // user: %7 |
| %7 = struct_extract %6 : $Int32, #Int32._value // user: %9 |
| %9 = builtin "s_to_s_checked_trunc_Int32_Int8"(%7 : $Builtin.Int32) : $(Builtin.Int8, Builtin.Int1) // users: %10, %11 |
| %10 = tuple_extract %9 : $(Builtin.Int8, Builtin.Int1), 0 // user: %13 |
| %11 = tuple_extract %9 : $(Builtin.Int8, Builtin.Int1), 1 // user: %12 |
| cond_fail %11 : $Builtin.Int1 // id: %12 |
| %13 = struct $Int8 (%10 : $Builtin.Int8) // user: %14 |
| return %13 : $Int8 // id: %14 |
| } |
| |
| // peephole: UInt8(x & 255) -> remove overflow check |
| // CHECK-LABEL: sil @_TF22peephole_trunc_and_ext32test_s_to_u_checked_trunc_of_andFVs5Int32Vs5UInt8 : $@convention(thin) (Int32) -> UInt8 |
| // CHECK: builtin "and_Int32" |
| // CHECK: builtin "s_to_u_checked_trunc_Int32_Int8" |
| // CHECK-NOT: cond_fail |
| // CHECK: return |
| // peephole_trunc_and_ext.test_s_to_u_checked_trunc_of_and (Swift.Int32) -> Swift.UInt8 |
| sil @_TF22peephole_trunc_and_ext32test_s_to_u_checked_trunc_of_andFVs5Int32Vs5UInt8 : $@convention(thin) (Int32) -> UInt8 { |
| bb0(%0 : $Int32): |
| debug_value %0 : $Int32, let, name "x" // id: %1 |
| %2 = integer_literal $Builtin.Int32, 255 // user: %5 |
| %4 = struct_extract %0 : $Int32, #Int32._value // user: %5 |
| %5 = builtin "and_Int32"(%4 : $Builtin.Int32, %2 : $Builtin.Int32) : $Builtin.Int32 // user: %6 |
| %6 = struct $Int32 (%5 : $Builtin.Int32) // user: %7 |
| %7 = struct_extract %6 : $Int32, #Int32._value // user: %9 |
| %9 = builtin "s_to_u_checked_trunc_Int32_Int8"(%7 : $Builtin.Int32) : $(Builtin.Int8, Builtin.Int1) // users: %10, %11 |
| %10 = tuple_extract %9 : $(Builtin.Int8, Builtin.Int1), 0 // user: %13 |
| %11 = tuple_extract %9 : $(Builtin.Int8, Builtin.Int1), 1 // user: %12 |
| cond_fail %11 : $Builtin.Int1 // id: %12 |
| %13 = struct $UInt8 (%10 : $Builtin.Int8) // user: %14 |
| return %13 : $UInt8 // id: %14 |
| } |
| |
| // peephole: UInt8(x & 255) -> remove overflow check |
| // CHECK-LABEL: sil @_TF22peephole_trunc_and_ext32test_u_to_u_checked_trunc_of_andFVs6UInt32Vs5UInt8 : $@convention(thin) (UInt32) -> UInt8 |
| // CHECK: builtin "and_Int32" |
| // CHECK: builtin "u_to_u_checked_trunc_Int32_Int8" |
| // CHECK-NOT: cond_fail |
| // CHECK: return |
| // peephole_trunc_and_ext.test_u_to_u_checked_trunc_of_and (Swift.UInt32) -> Swift.UInt8 |
| sil @_TF22peephole_trunc_and_ext32test_u_to_u_checked_trunc_of_andFVs6UInt32Vs5UInt8 : $@convention(thin) (UInt32) -> UInt8 { |
| bb0(%0 : $UInt32): |
| debug_value %0 : $UInt32, let, name "x" // id: %1 |
| %2 = integer_literal $Builtin.Int32, 255 // user: %5 |
| %4 = struct_extract %0 : $UInt32, #UInt32._value // user: %5 |
| %5 = builtin "and_Int32"(%4 : $Builtin.Int32, %2 : $Builtin.Int32) : $Builtin.Int32 // user: %6 |
| %6 = struct $UInt32 (%5 : $Builtin.Int32) // user: %7 |
| %7 = struct_extract %6 : $UInt32, #UInt32._value // user: %9 |
| %9 = builtin "u_to_u_checked_trunc_Int32_Int8"(%7 : $Builtin.Int32) : $(Builtin.Int8, Builtin.Int1) // users: %10, %11 |
| %10 = tuple_extract %9 : $(Builtin.Int8, Builtin.Int1), 0 // user: %13 |
| %11 = tuple_extract %9 : $(Builtin.Int8, Builtin.Int1), 1 // user: %12 |
| cond_fail %11 : $Builtin.Int1 // id: %12 |
| %13 = struct $UInt8 (%10 : $Builtin.Int8) // user: %14 |
| return %13 : $UInt8 // id: %14 |
| } |
| |
| // peephole: Int8(x & 127) -> remove overflow check |
| // CHECK-LABEL: sil @_TF22peephole_trunc_and_ext32test_u_to_s_checked_trunc_of_andFVs6UInt32Vs4Int8 : $@convention(thin) (UInt32) -> Int8 |
| // CHECK: builtin "and_Int32" |
| // CHECK: builtin "u_to_s_checked_trunc_Int32_Int8" |
| // CHECK-NOT: cond_fail |
| // CHECK: return |
| // peephole_trunc_and_ext.test_u_to_s_checked_trunc_of_and (Swift.UInt32) -> Swift.Int8 |
| sil @_TF22peephole_trunc_and_ext32test_u_to_s_checked_trunc_of_andFVs6UInt32Vs4Int8 : $@convention(thin) (UInt32) -> Int8 { |
| bb0(%0 : $UInt32): |
| debug_value %0 : $UInt32, let, name "x" // id: %1 |
| %2 = integer_literal $Builtin.Int32, 127 // user: %5 |
| %4 = struct_extract %0 : $UInt32, #UInt32._value // user: %5 |
| %5 = builtin "and_Int32"(%4 : $Builtin.Int32, %2 : $Builtin.Int32) : $Builtin.Int32 // user: %6 |
| %6 = struct $UInt32 (%5 : $Builtin.Int32) // user: %7 |
| %7 = struct_extract %6 : $UInt32, #UInt32._value // user: %9 |
| %9 = builtin "u_to_s_checked_trunc_Int32_Int8"(%7 : $Builtin.Int32) : $(Builtin.Int8, Builtin.Int1) // users: %10, %11 |
| %10 = tuple_extract %9 : $(Builtin.Int8, Builtin.Int1), 0 // user: %13 |
| %11 = tuple_extract %9 : $(Builtin.Int8, Builtin.Int1), 1 // user: %12 |
| cond_fail %11 : $Builtin.Int1 // id: %12 |
| %13 = struct $Int8 (%10 : $Builtin.Int8) // user: %14 |
| return %13 : $Int8 // id: %14 |
| } |
| |
| sil [noinline] @fatalError : $@convention(thin) () -> Never |
