Merge pull request #1121 from visualfc/closure

fix reflect.pointer  for closure; fix runtime unsafe.pointer ptrBytes
This commit is contained in:
xushiwei
2025-05-17 01:19:40 +08:00
committed by GitHub
4 changed files with 275 additions and 4 deletions

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@@ -0,0 +1,24 @@
package main
import (
"fmt"
"reflect"
)
func demo() {
println("demo")
}
func main() {
v := 100
fn := func() {
println(v)
}
fdemo := demo
fmt.Println(fn)
fmt.Println(demo)
fmt.Println(fdemo)
fmt.Println(reflect.ValueOf(fn).UnsafePointer())
fmt.Println(reflect.ValueOf(demo).UnsafePointer())
fmt.Println(reflect.ValueOf(fdemo).UnsafePointer())
}

244
cl/_testgo/reflectfn/out.ll Normal file
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@@ -0,0 +1,244 @@
; ModuleID = 'github.com/goplus/llgo/cl/_testgo/reflectfn'
source_filename = "github.com/goplus/llgo/cl/_testgo/reflectfn"
%"github.com/goplus/llgo/runtime/internal/runtime.String" = type { ptr, i64 }
%"github.com/goplus/llgo/runtime/internal/runtime.eface" = type { ptr, ptr }
%"github.com/goplus/llgo/runtime/internal/runtime.Slice" = type { ptr, i64, i64 }
%"github.com/goplus/llgo/runtime/internal/runtime.iface" = type { ptr, ptr }
%reflect.Value = type { ptr, ptr, i64 }
%"github.com/goplus/llgo/runtime/abi.StructField" = type { %"github.com/goplus/llgo/runtime/internal/runtime.String", ptr, i64, %"github.com/goplus/llgo/runtime/internal/runtime.String", i1 }
@"github.com/goplus/llgo/cl/_testgo/reflectfn.init$guard" = global i1 false, align 1
@0 = private unnamed_addr constant [4 x i8] c"demo", align 1
@"_llgo_func$2_iS07vIlF2_rZqWB5eU0IvP_9HviM4MYZNkXZDvbac" = linkonce global ptr null, align 8
@_llgo_Pointer = linkonce global ptr null, align 8
@"github.com/goplus/llgo/cl/_testgo/reflectfn.struct$b7Su1hWaFih-M0M9hMk6nO_RD1K_GQu5WjIXQp6Q2e8" = linkonce global ptr null, align 8
@1 = private unnamed_addr constant [2 x i8] c"$f", align 1
@2 = private unnamed_addr constant [5 x i8] c"$data", align 1
@3 = private unnamed_addr constant [43 x i8] c"github.com/goplus/llgo/cl/_testgo/reflectfn", align 1
define void @"github.com/goplus/llgo/cl/_testgo/reflectfn.demo"() {
_llgo_0:
call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @0, i64 4 })
call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 10)
ret void
}
define void @"github.com/goplus/llgo/cl/_testgo/reflectfn.init"() {
_llgo_0:
%0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/reflectfn.init$guard", align 1
br i1 %0, label %_llgo_2, label %_llgo_1
_llgo_1: ; preds = %_llgo_0
store i1 true, ptr @"github.com/goplus/llgo/cl/_testgo/reflectfn.init$guard", align 1
call void @fmt.init()
call void @reflect.init()
call void @"github.com/goplus/llgo/cl/_testgo/reflectfn.init$after"()
br label %_llgo_2
_llgo_2: ; preds = %_llgo_1, %_llgo_0
ret void
}
define void @"github.com/goplus/llgo/cl/_testgo/reflectfn.main"() {
_llgo_0:
%0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
store i64 100, ptr %0, align 4
%1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 8)
%2 = getelementptr inbounds { ptr }, ptr %1, i32 0, i32 0
store ptr %0, ptr %2, align 8
%3 = insertvalue { ptr, ptr } { ptr @"github.com/goplus/llgo/cl/_testgo/reflectfn.main$1", ptr undef }, ptr %1, 1
%4 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
%5 = getelementptr inbounds %"github.com/goplus/llgo/runtime/internal/runtime.eface", ptr %4, i64 0
%6 = load ptr, ptr @"_llgo_func$2_iS07vIlF2_rZqWB5eU0IvP_9HviM4MYZNkXZDvbac", align 8
%7 = load ptr, ptr @_llgo_Pointer, align 8
%8 = load ptr, ptr @"github.com/goplus/llgo/cl/_testgo/reflectfn.struct$b7Su1hWaFih-M0M9hMk6nO_RD1K_GQu5WjIXQp6Q2e8", align 8
%9 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 16)
store { ptr, ptr } %3, ptr %9, align 8
%10 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" undef, ptr %8, 0
%11 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" %10, ptr %9, 1
store %"github.com/goplus/llgo/runtime/internal/runtime.eface" %11, ptr %5, align 8
%12 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" undef, ptr %4, 0
%13 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %12, i64 1, 1
%14 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %13, i64 1, 2
%15 = call { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @fmt.Println(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %14)
%16 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
%17 = getelementptr inbounds %"github.com/goplus/llgo/runtime/internal/runtime.eface", ptr %16, i64 0
%18 = load ptr, ptr @"github.com/goplus/llgo/cl/_testgo/reflectfn.struct$b7Su1hWaFih-M0M9hMk6nO_RD1K_GQu5WjIXQp6Q2e8", align 8
%19 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 16)
store { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/reflectfn.demo", ptr null }, ptr %19, align 8
%20 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" undef, ptr %18, 0
%21 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" %20, ptr %19, 1
store %"github.com/goplus/llgo/runtime/internal/runtime.eface" %21, ptr %17, align 8
%22 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" undef, ptr %16, 0
%23 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %22, i64 1, 1
%24 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %23, i64 1, 2
%25 = call { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @fmt.Println(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %24)
%26 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
%27 = getelementptr inbounds %"github.com/goplus/llgo/runtime/internal/runtime.eface", ptr %26, i64 0
%28 = load ptr, ptr @"github.com/goplus/llgo/cl/_testgo/reflectfn.struct$b7Su1hWaFih-M0M9hMk6nO_RD1K_GQu5WjIXQp6Q2e8", align 8
%29 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 16)
store { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/reflectfn.demo", ptr null }, ptr %29, align 8
%30 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" undef, ptr %28, 0
%31 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" %30, ptr %29, 1
store %"github.com/goplus/llgo/runtime/internal/runtime.eface" %31, ptr %27, align 8
%32 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" undef, ptr %26, 0
%33 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %32, i64 1, 1
%34 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %33, i64 1, 2
%35 = call { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @fmt.Println(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %34)
%36 = load ptr, ptr @"github.com/goplus/llgo/cl/_testgo/reflectfn.struct$b7Su1hWaFih-M0M9hMk6nO_RD1K_GQu5WjIXQp6Q2e8", align 8
%37 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 16)
store { ptr, ptr } %3, ptr %37, align 8
%38 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" undef, ptr %36, 0
%39 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" %38, ptr %37, 1
%40 = call %reflect.Value @reflect.ValueOf(%"github.com/goplus/llgo/runtime/internal/runtime.eface" %39)
%41 = call ptr @reflect.Value.UnsafePointer(%reflect.Value %40)
%42 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
%43 = getelementptr inbounds %"github.com/goplus/llgo/runtime/internal/runtime.eface", ptr %42, i64 0
%44 = load ptr, ptr @_llgo_Pointer, align 8
%45 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" undef, ptr %44, 0
%46 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" %45, ptr %41, 1
store %"github.com/goplus/llgo/runtime/internal/runtime.eface" %46, ptr %43, align 8
%47 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" undef, ptr %42, 0
%48 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %47, i64 1, 1
%49 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %48, i64 1, 2
%50 = call { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @fmt.Println(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %49)
%51 = load ptr, ptr @"github.com/goplus/llgo/cl/_testgo/reflectfn.struct$b7Su1hWaFih-M0M9hMk6nO_RD1K_GQu5WjIXQp6Q2e8", align 8
%52 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 16)
store { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/reflectfn.demo", ptr null }, ptr %52, align 8
%53 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" undef, ptr %51, 0
%54 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" %53, ptr %52, 1
%55 = call %reflect.Value @reflect.ValueOf(%"github.com/goplus/llgo/runtime/internal/runtime.eface" %54)
%56 = call ptr @reflect.Value.UnsafePointer(%reflect.Value %55)
%57 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
%58 = getelementptr inbounds %"github.com/goplus/llgo/runtime/internal/runtime.eface", ptr %57, i64 0
%59 = load ptr, ptr @_llgo_Pointer, align 8
%60 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" undef, ptr %59, 0
%61 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" %60, ptr %56, 1
store %"github.com/goplus/llgo/runtime/internal/runtime.eface" %61, ptr %58, align 8
%62 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" undef, ptr %57, 0
%63 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %62, i64 1, 1
%64 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %63, i64 1, 2
%65 = call { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @fmt.Println(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %64)
%66 = load ptr, ptr @"github.com/goplus/llgo/cl/_testgo/reflectfn.struct$b7Su1hWaFih-M0M9hMk6nO_RD1K_GQu5WjIXQp6Q2e8", align 8
%67 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 16)
store { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/reflectfn.demo", ptr null }, ptr %67, align 8
%68 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" undef, ptr %66, 0
%69 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" %68, ptr %67, 1
%70 = call %reflect.Value @reflect.ValueOf(%"github.com/goplus/llgo/runtime/internal/runtime.eface" %69)
%71 = call ptr @reflect.Value.UnsafePointer(%reflect.Value %70)
%72 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
%73 = getelementptr inbounds %"github.com/goplus/llgo/runtime/internal/runtime.eface", ptr %72, i64 0
%74 = load ptr, ptr @_llgo_Pointer, align 8
%75 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" undef, ptr %74, 0
%76 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" %75, ptr %71, 1
store %"github.com/goplus/llgo/runtime/internal/runtime.eface" %76, ptr %73, align 8
%77 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" undef, ptr %72, 0
%78 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %77, i64 1, 1
%79 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %78, i64 1, 2
%80 = call { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @fmt.Println(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %79)
ret void
}
define void @"github.com/goplus/llgo/cl/_testgo/reflectfn.main$1"(ptr %0) {
_llgo_0:
%1 = load { ptr }, ptr %0, align 8
%2 = extractvalue { ptr } %1, 0
%3 = load i64, ptr %2, align 4
call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64 %3)
call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 10)
ret void
}
declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
declare void @fmt.init()
declare void @reflect.init()
declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
define void @"github.com/goplus/llgo/cl/_testgo/reflectfn.init$after"() {
_llgo_0:
%0 = load ptr, ptr @"_llgo_func$2_iS07vIlF2_rZqWB5eU0IvP_9HviM4MYZNkXZDvbac", align 8
%1 = icmp eq ptr %0, null
br i1 %1, label %_llgo_1, label %_llgo_2
_llgo_1: ; preds = %_llgo_0
%2 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 0)
%3 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" undef, ptr %2, 0
%4 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %3, i64 0, 1
%5 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %4, i64 0, 2
%6 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 0)
%7 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" undef, ptr %6, 0
%8 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %7, i64 0, 1
%9 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %8, i64 0, 2
%10 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.Func"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %5, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %9, i1 false)
call void @"github.com/goplus/llgo/runtime/internal/runtime.SetDirectIface"(ptr %10)
store ptr %10, ptr @"_llgo_func$2_iS07vIlF2_rZqWB5eU0IvP_9HviM4MYZNkXZDvbac", align 8
br label %_llgo_2
_llgo_2: ; preds = %_llgo_1, %_llgo_0
%11 = load ptr, ptr @_llgo_Pointer, align 8
%12 = icmp eq ptr %11, null
br i1 %12, label %_llgo_3, label %_llgo_4
_llgo_3: ; preds = %_llgo_2
%13 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.Basic"(i64 58)
call void @"github.com/goplus/llgo/runtime/internal/runtime.SetDirectIface"(ptr %13)
store ptr %13, ptr @_llgo_Pointer, align 8
br label %_llgo_4
_llgo_4: ; preds = %_llgo_3, %_llgo_2
%14 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 0)
%15 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" undef, ptr %14, 0
%16 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %15, i64 0, 1
%17 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %16, i64 0, 2
%18 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 0)
%19 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" undef, ptr %18, 0
%20 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %19, i64 0, 1
%21 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %20, i64 0, 2
%22 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.Func"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %17, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %21, i1 false)
%23 = call %"github.com/goplus/llgo/runtime/abi.StructField" @"github.com/goplus/llgo/runtime/internal/runtime.StructField"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @1, i64 2 }, ptr %22, i64 0, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false)
%24 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.Basic"(i64 58)
%25 = call %"github.com/goplus/llgo/runtime/abi.StructField" @"github.com/goplus/llgo/runtime/internal/runtime.StructField"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @2, i64 5 }, ptr %24, i64 8, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false)
%26 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 112)
%27 = getelementptr %"github.com/goplus/llgo/runtime/abi.StructField", ptr %26, i64 0
store %"github.com/goplus/llgo/runtime/abi.StructField" %23, ptr %27, align 8
%28 = getelementptr %"github.com/goplus/llgo/runtime/abi.StructField", ptr %26, i64 1
store %"github.com/goplus/llgo/runtime/abi.StructField" %25, ptr %28, align 8
%29 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" undef, ptr %26, 0
%30 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %29, i64 2, 1
%31 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %30, i64 2, 2
%32 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.Struct"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @3, i64 43 }, i64 16, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %31)
store ptr %32, ptr @"github.com/goplus/llgo/cl/_testgo/reflectfn.struct$b7Su1hWaFih-M0M9hMk6nO_RD1K_GQu5WjIXQp6Q2e8", align 8
ret void
}
declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.Func"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice", %"github.com/goplus/llgo/runtime/internal/runtime.Slice", i1)
declare void @"github.com/goplus/llgo/runtime/internal/runtime.SetDirectIface"(ptr)
declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.Basic"(i64)
declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.Struct"(%"github.com/goplus/llgo/runtime/internal/runtime.String", i64, %"github.com/goplus/llgo/runtime/internal/runtime.Slice")
declare %"github.com/goplus/llgo/runtime/abi.StructField" @"github.com/goplus/llgo/runtime/internal/runtime.StructField"(%"github.com/goplus/llgo/runtime/internal/runtime.String", ptr, i64, %"github.com/goplus/llgo/runtime/internal/runtime.String", i1)
declare { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @fmt.Println(%"github.com/goplus/llgo/runtime/internal/runtime.Slice")
define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/reflectfn.demo"(ptr %0) {
_llgo_0:
tail call void @"github.com/goplus/llgo/cl/_testgo/reflectfn.demo"()
ret void
}
declare %reflect.Value @reflect.ValueOf(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
declare ptr @reflect.Value.UnsafePointer(%reflect.Value)
declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)

View File

@@ -124,6 +124,9 @@ func (v Value) typ() *abi.Type {
// v.Kind() must be Pointer, Map, Chan, Func, or UnsafePointer
// if v.Kind() == Pointer, the base type must not be not-in-heap.
func (v Value) pointer() unsafe.Pointer {
if v.typ_.IsClosure() {
return v.ptr
}
if v.typ().Size() != goarch.PtrSize || !v.typ().Pointers() {
panic("can't call pointer on a non-pointer Value")
}

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@@ -72,13 +72,13 @@ func Basic(_kind Kind) *Type {
kind := _kind & abi.KindMask
if tyBasic[kind] == nil {
name, size, align := basicTypeInfo(kind)
var bytes uintptr
if kind == abi.String {
bytes = pointerSize
var ptrBytes uintptr
if kind == abi.String || kind == abi.UnsafePointer {
ptrBytes = pointerSize
}
tyBasic[kind] = &Type{
Size_: size,
PtrBytes: bytes,
PtrBytes: ptrBytes,
Hash: uint32(kind),
Align_: uint8(align),
FieldAlign_: uint8(align),