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|
// 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
|
