| // RUN: %target-swift-frontend %s -emit-sil -O -o - -verify | 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: Word(Int64(x >> 1)) -> (x >> 1) |
| // CHECK-LABEL: sil @_TF4test29test_trunc_u_to_s_zext_lshr_1FSuSi : $@convention(thin) (BuiltinUWord) -> BuiltinWord |
| // CHECK: builtin "lshr_Word" |
| // CHECK-NOT: builtin "zextOrBitCast_Word_Int64" |
| // CHECK-NOT: builtin "u_to_s_checked_conversion_Int64" |
| // CHECK-NOT: builtin "truncOrBitCast_Int64_Word" |
| // CHECK: return |
| // test.test_trunc_u_to_s_zext_lshr_1 (BuiltinUWord) -> Swift.BuiltinWord |
| sil @_TF4test29test_trunc_u_to_s_zext_lshr_1FSuSi : $@convention(thin) (BuiltinUWord) -> BuiltinWord { |
| bb0(%0 : $BuiltinUWord): |
| debug_value %0 : $BuiltinUWord, let, name "x" // id: %1 |
| %2 = integer_literal $Builtin.Word, 1 // user: %7 |
| br bb1 // id: %3 |
| |
| bb1: // Preds: bb0 |
| br bb2 // id: %4 |
| |
| bb2: // Preds: bb1 |
| %6 = struct_extract %0 : $BuiltinUWord, #BuiltinUWord.value // user: %7 |
| %7 = builtin "lshr_Word"(%6 : $Builtin.Word, %2 : $Builtin.Word) : $Builtin.Word // user: %8 |
| %8 = struct $BuiltinUWord (%7 : $Builtin.Word) // user: %11 |
| br bb3 // id: %9 |
| |
| bb3: // Preds: bb2 |
| %11 = struct_extract %8 : $BuiltinUWord, #BuiltinUWord.value // user: %12 |
| %12 = builtin "zextOrBitCast_Word_Int64"(%11 : $Builtin.Word) : $Builtin.Int64 // user: %14 |
| %14 = builtin "u_to_s_checked_conversion_Int64"(%12 : $Builtin.Int64) : $(Builtin.Int64, Builtin.Int1) // users: %15, %16 |
| %15 = tuple_extract %14 : $(Builtin.Int64, Builtin.Int1), 0 // user: %18 |
| %16 = tuple_extract %14 : $(Builtin.Int64, Builtin.Int1), 1 // user: %17 |
| cond_fail %16 : $Builtin.Int1 // id: %17 |
| %18 = struct $Int64 (%15 : $Builtin.Int64) // user: %19 |
| %19 = struct_extract %18 : $Int64, #Int64._value // user: %21 |
| %21 = builtin "truncOrBitCast_Int64_Word"(%19 : $Builtin.Int64) : $Builtin.Word // user: %22 |
| %22 = struct $BuiltinWord (%21 : $Builtin.Word) // users: %23, %24 |
| debug_value %22 : $BuiltinWord, let, name "v1" // id: %23 |
| return %22 : $BuiltinWord // id: %24 |
| } |
| |
| |
| // peephole: Word(Int64(x >> 10)) -> (x >> 1) |
| // CHECK-LABEL: sil @_TF4test30test_trunc_u_to_s_zext_lshr_10FSuSi : $@convention(thin) (BuiltinUWord) -> BuiltinWord |
| // CHECK: builtin "lshr_Word" |
| // CHECK-NOT: builtin "zextOrBitCast_Word_Int64" |
| // CHECK-NOT: builtin "u_to_s_checked_conversion_Int64" |
| // CHECK-NOT: builtin "truncOrBitCast_Int64_Word" |
| // CHECK: return |
| // test.test_trunc_u_to_s_zext_lshr_10 (Swift.BuiltinUWord) -> Swift.BuiltinWord |
| sil @_TF4test30test_trunc_u_to_s_zext_lshr_10FSuSi : $@convention(thin) (BuiltinUWord) -> BuiltinWord { |
| bb0(%0 : $BuiltinUWord): |
| debug_value %0 : $BuiltinUWord, let, name "x" // id: %1 |
| %2 = integer_literal $Builtin.Word, 10 // user: %7 |
| br bb1 // id: %3 |
| |
| bb1: // Preds: bb0 |
| br bb2 // id: %4 |
| |
| bb2: // Preds: bb1 |
| %6 = struct_extract %0 : $BuiltinUWord, #BuiltinUWord.value // user: %7 |
| %7 = builtin "lshr_Word"(%6 : $Builtin.Word, %2 : $Builtin.Word) : $Builtin.Word // user: %8 |
| %8 = struct $BuiltinUWord (%7 : $Builtin.Word) // user: %11 |
| br bb3 // id: %9 |
| |
| bb3: // Preds: bb2 |
| %11 = struct_extract %8 : $BuiltinUWord, #BuiltinUWord.value // user: %12 |
| %12 = builtin "zextOrBitCast_Word_Int64"(%11 : $Builtin.Word) : $Builtin.Int64 // user: %14 |
| %14 = builtin "u_to_s_checked_conversion_Int64"(%12 : $Builtin.Int64) : $(Builtin.Int64, Builtin.Int1) // users: %15, %16 |
| %15 = tuple_extract %14 : $(Builtin.Int64, Builtin.Int1), 0 // user: %18 |
| %16 = tuple_extract %14 : $(Builtin.Int64, Builtin.Int1), 1 // user: %17 |
| cond_fail %16 : $Builtin.Int1 // id: %17 |
| %18 = struct $Int64 (%15 : $Builtin.Int64) // user: %19 |
| %19 = struct_extract %18 : $Int64, #Int64._value // user: %21 |
| %21 = builtin "truncOrBitCast_Int64_Word"(%19 : $Builtin.Int64) : $Builtin.Word // user: %22 |
| %22 = struct $BuiltinWord (%21 : $Builtin.Word) // users: %23, %24 |
| debug_value %22 : $BuiltinWord, let, name "v1" // id: %23 |
| return %22 : $BuiltinWord // id: %24 |
| } |
| |
| // no peephole: Word(Int64(x >> c)), where c is a variable |
| // This should not trigger the optimization as it is not known if c > 0 |
| // CHECK-LABEL: sil @_TF4test31test_trunc_u_to_s_zext_lshr_varFTSuSu_Si : $@convention(thin) (BuiltinUWord, BuiltinUWord) -> BuiltinWord |
| // CHECK: builtin "u_to_s_checked_conversion_Int64" |
| // CHECK: builtin "truncOrBitCast_Int64_Word" |
| // CHECK: return |
| // test.test_trunc_u_to_s_zext_lshr_var (Swift.BuiltinUWord, Swift.BuiltinUWord) -> Swift.BuiltinWord |
| sil @_TF4test31test_trunc_u_to_s_zext_lshr_varFTSuSu_Si : $@convention(thin) (BuiltinUWord, BuiltinUWord) -> BuiltinWord { |
| bb0(%0 : $BuiltinUWord, %1 : $BuiltinUWord): |
| debug_value %0 : $BuiltinUWord, let, name "x" // id: %2 |
| debug_value %1 : $BuiltinUWord, let, name "c" // id: %3 |
| %4 = tuple () |
| %5 = tuple () |
| %6 = tuple () |
| %7 = tuple () |
| %8 = tuple () |
| %9 = tuple () |
| %10 = tuple () |
| %11 = tuple () |
| %12 = tuple () |
| br bb1 // id: %13 |
| |
| bb1: // Preds: bb0 |
| %14 = integer_literal $Builtin.Word, 64 // user: %17 |
| %16 = struct_extract %1 : $BuiltinUWord, #BuiltinUWord.value // user: %17 |
| %17 = builtin "cmp_ult_Word"(%16 : $Builtin.Word, %14 : $Builtin.Word) : $Builtin.Int1 // user: %20 |
| %18 = integer_literal $Builtin.Int1, -1 // user: %20 |
| %20 = builtin "int_expect_Int1"(%17 : $Builtin.Int1, %18 : $Builtin.Int1) : $Builtin.Int1 // user: %21 |
| cond_br %20, bb2, bb3 // id: %21 |
| |
| bb2: // Preds: bb1 |
| %23 = struct_extract %0 : $BuiltinUWord, #BuiltinUWord.value // user: %25 |
| %24 = struct_extract %1 : $BuiltinUWord, #BuiltinUWord.value // user: %25 |
| %25 = builtin "lshr_Word"(%23 : $Builtin.Word, %24 : $Builtin.Word) : $Builtin.Word // user: %26 |
| %26 = struct $BuiltinUWord (%25 : $Builtin.Word) // user: %35 |
| br bb4 // id: %27 |
| |
| bb3: // Preds: bb1 |
| %28 = function_ref @fatalError : $@convention(thin) () -> Never // user: %32 |
| %29 = tuple () |
| %30 = tuple () |
| %31 = tuple () |
| %32 = apply %28() : $@convention(thin) () -> Never |
| unreachable // id: %33 |
| |
| bb4: // Preds: bb2 |
| %35 = struct_extract %26 : $BuiltinUWord, #BuiltinUWord.value // user: %36 |
| %36 = builtin "zextOrBitCast_Word_Int64"(%35 : $Builtin.Word) : $Builtin.Int64 // user: %38 |
| %38 = builtin "u_to_s_checked_conversion_Int64"(%36 : $Builtin.Int64) : $(Builtin.Int64, Builtin.Int1) // users: %39, %40 |
| %39 = tuple_extract %38 : $(Builtin.Int64, Builtin.Int1), 0 // user: %42 |
| %40 = tuple_extract %38 : $(Builtin.Int64, Builtin.Int1), 1 // user: %41 |
| cond_fail %40 : $Builtin.Int1 // id: %41 |
| %42 = struct $Int64 (%39 : $Builtin.Int64) // user: %43 |
| %43 = struct_extract %42 : $Int64, #Int64._value // user: %45 |
| %45 = builtin "truncOrBitCast_Int64_Word"(%43 : $Builtin.Int64) : $Builtin.Word // user: %46 |
| %46 = struct $BuiltinWord (%45 : $Builtin.Word) // users: %47, %48 |
| debug_value %46 : $BuiltinWord, let, name "v1" // id: %47 |
| return %46 : $BuiltinWord // id: %48 |
| } |
| |
| // 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 |
| } |
| |
| // No peephole for UWord(UInt64(x)), because it is not known if top bit of x is set |
| // CHECK-LABEL: sil @_TF4test26test_trunc_s_to_u_zext_varFSiSu : $@convention(thin) (BuiltinWord) -> BuiltinUWord |
| // This should not trigger the optimization as it is not known if top bit of x is set |
| // CHECK: builtin "zextOrBitCast_Word_Int64" |
| // CHECK: builtin "s_to_u_checked_conversion_Int64" |
| // CHECK: builtin "truncOrBitCast_Int64_Word" |
| // CHECK: return |
| // test.test_trunc_s_to_u_zext_var (Swift.BuiltinWord) -> Swift.BuiltinUWord |
| sil @_TF4test26test_trunc_s_to_u_zext_varFSiSu : $@convention(thin) (BuiltinWord) -> BuiltinUWord { |
| bb0(%0 : $BuiltinWord): |
| debug_value %0 : $BuiltinWord, let, name "x" // id: %1 |
| %3 = struct_extract %0 : $BuiltinWord, #BuiltinWord.value // user: %4 |
| %4 = builtin "zextOrBitCast_Word_Int64"(%3 : $Builtin.Word) : $Builtin.Int64 // user: %6 |
| %6 = builtin "s_to_u_checked_conversion_Int64"(%4 : $Builtin.Int64) : $(Builtin.Int64, Builtin.Int1) // users: %7, %8 |
| %7 = tuple_extract %6 : $(Builtin.Int64, Builtin.Int1), 0 // user: %10 |
| %8 = tuple_extract %6 : $(Builtin.Int64, Builtin.Int1), 1 // user: %9 |
| cond_fail %8 : $Builtin.Int1 // id: %9 |
| %10 = struct $UInt64 (%7 : $Builtin.Int64) // user: %11 |
| %11 = struct_extract %10 : $UInt64, #UInt64._value // user: %13 |
| %13 = builtin "truncOrBitCast_Int64_Word"(%11 : $Builtin.Int64) : $Builtin.Word // user: %14 |
| %14 = struct $BuiltinUWord (%13 : $Builtin.Word) // user: %15 |
| return %14 : $BuiltinUWord // id: %15 |
| } |
| |
| |
| // sizeof is known to return strictly positive values |
| // peephole: UWord(UInt64(sizeof(Int.self))) -> sizeof(Int.self) |
| // CHECK-LABEL: sil @_TF4test29test_trunc_s_to_u_zext_sizeofFT_Su : $@convention(thin) () -> BuiltinUWord |
| // CHECK: builtin "sizeof" |
| // CHECK-NOT: builtin "zextOrBitCast_Word_Int64" |
| // CHECK-NOT: builtin "s_to_u_checked_conversion_Int64" |
| // CHECK-NOT: builtin "truncOrBitCast_Int64_Word" |
| // CHECK: return |
| // test.test_trunc_s_to_u_zext_sizeof () -> Swift.BuiltinUWord |
| sil @_TF4test29test_trunc_s_to_u_zext_sizeofFT_Su : $@convention(thin) () -> BuiltinUWord { |
| bb0: |
| %0 = metatype $@thin BuiltinWord.Type |
| %2 = metatype $@thick BuiltinWord.Type // user: %3 |
| %3 = builtin "sizeof"<(BuiltinWord)>(%2 : $@thick (BuiltinWord).Type) : $Builtin.Word // user: %4 |
| %4 = struct $BuiltinWord (%3 : $Builtin.Word) // user: %6 |
| %6 = struct_extract %4 : $BuiltinWord, #BuiltinWord.value // user: %7 |
| %7 = builtin "zextOrBitCast_Word_Int64"(%6 : $Builtin.Word) : $Builtin.Int64 // user: %9 |
| %9 = builtin "s_to_u_checked_conversion_Int64"(%7 : $Builtin.Int64) : $(Builtin.Int64, Builtin.Int1) // users: %10, %11 |
| %10 = tuple_extract %9 : $(Builtin.Int64, Builtin.Int1), 0 // user: %13 |
| %11 = tuple_extract %9 : $(Builtin.Int64, Builtin.Int1), 1 // user: %12 |
| cond_fail %11 : $Builtin.Int1 // id: %12 |
| %13 = struct $UInt64 (%10 : $Builtin.Int64) // user: %14 |
| %14 = struct_extract %13 : $UInt64, #UInt64._value // user: %16 |
| %16 = builtin "truncOrBitCast_Int64_Word"(%14 : $Builtin.Int64) : $Builtin.Word // user: %17 |
| %17 = struct $BuiltinUWord (%16 : $Builtin.Word) // user: %18 |
| return %17 : $BuiltinUWord // id: %18 |
| } |
| |
| |
| // 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: UInt16(UInt32(Int16(x>>1))) -> x>>1 |
| // CHECK-LABEL: sil @_TF4test34test_int16_trunc_s_to_u_zext_int16FVs6UInt16S0_ : $@convention(thin) (UInt16) -> UInt16 |
| // CHECK: builtin "lshr_Int16" |
| // CHECK-NOT: builtin "u_to_s_checked_conversion_Int16" |
| // CHECK-NOT: builtin "s_to_u_checked_conversion_Int16" |
| // CHECK-NOT: builtin "sext_Int16_Int32" |
| // CHECK-NOT: builtin "u_to_u_checked_trunc_Int32_Int16" |
| // CHECK-NOT: tuple_extract |
| // CHECK: return |
| // test.test_int16_trunc_s_to_u_zext_int16 (Swift.UInt16) -> Swift.UInt16 |
| sil @_TF4test34test_int16_trunc_s_to_u_zext_int16FVs6UInt16S0_ : $@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 "u_to_s_checked_conversion_Int16"(%10 : $Builtin.Int16) : $(Builtin.Int16, Builtin.Int1) // users: %13, %14 |
| %13 = tuple_extract %12 : $(Builtin.Int16, Builtin.Int1), 0 // user: %16 |
| %14 = tuple_extract %12 : $(Builtin.Int16, Builtin.Int1), 1 // user: %15 |
| cond_fail %14 : $Builtin.Int1 // id: %15 |
| %16 = struct $Int16 (%13 : $Builtin.Int16) // user: %17 |
| %17 = struct_extract %16 : $Int16, #Int16._value // user: %19 |
| %19 = builtin "s_to_u_checked_conversion_Int16"(%17 : $Builtin.Int16) : $(Builtin.Int16, Builtin.Int1) // users: %20, %21 |
| %20 = tuple_extract %19 : $(Builtin.Int16, Builtin.Int1), 0 // user: %24 |
| %21 = tuple_extract %19 : $(Builtin.Int16, Builtin.Int1), 1 // user: %22 |
| cond_fail %21 : $Builtin.Int1 // id: %22 |
| %24 = builtin "sext_Int16_Int32"(%20 : $Builtin.Int16) : $Builtin.Int32 // user: %25 |
| %25 = struct $UInt32 (%24 : $Builtin.Int32) // user: %26 |
| %26 = struct_extract %25 : $UInt32, #UInt32._value // user: %28 |
| %28 = builtin "u_to_u_checked_trunc_Int32_Int16"(%26 : $Builtin.Int32) : $(Builtin.Int16, Builtin.Int1) // users: %29, %30 |
| %29 = tuple_extract %28 : $(Builtin.Int16, Builtin.Int1), 0 // user: %32 |
| %30 = tuple_extract %28 : $(Builtin.Int16, Builtin.Int1), 1 // user: %31 |
| cond_fail %30 : $Builtin.Int1 // id: %31 |
| %32 = struct $UInt16 (%29 : $Builtin.Int16) // user: %33 |
| return %32 : $UInt16 // id: %33 |
| } |
| |
| // 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 |
