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internal/cabi: check and skip param empty type

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This commit is contained in:
visualfc
2025-08-15 21:29:43 +08:00
parent 28962a1c6c
commit 04bb3eb5a9
11 changed files with 444 additions and 14 deletions
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37
internal/cabi/cabi.go
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@@ -128,11 +128,11 @@ type TypeInfoSys interface {
type AttrKind int
const (
AttrNone AttrKind = iota
AttrVoid // return type void
AttrPointer // type => type*
AttrWidthType // type => width int i16/i24/i32/i40/i48/i56/i64 float/double
AttrWidthType2 // type => width two int {i64,i16} float/double
AttrNone AttrKind = iota // keep org type
AttrVoid // return type void / param type void (size == 0) skip
AttrPointer // type => type*
AttrWidthType // type => width int i16/i24/i32/i40/i48/i56/i64 float/double
AttrWidthType2 // type => width two int {i64,i16} float/double
)
type FuncInfo struct {
@@ -146,7 +146,7 @@ func (p *FuncInfo) HasWrap() bool {
return true
}
for _, t := range p.Params {
if t.Kind > AttrVoid {
if t.Kind > AttrNone {
return true
}
}
@@ -178,6 +178,9 @@ func funcInlineHint(ctx llvm.Context) llvm.Attribute {
func (p *Transformer) IsWrapType(ctx llvm.Context, typ llvm.Type, bret bool) bool {
if p.sys != nil {
if !bret && (typ.TypeKind() == llvm.VoidTypeKind || p.Sizeof(typ) == 0) {
return true
}
return p.sys.IsWrapType(ctx, typ, bret)
}
return false
@@ -185,6 +188,14 @@ func (p *Transformer) IsWrapType(ctx llvm.Context, typ llvm.Type, bret bool) boo
func (p *Transformer) GetTypeInfo(ctx llvm.Context, typ llvm.Type, bret bool) *TypeInfo {
if p.sys != nil {
if typ.TypeKind() == llvm.VoidTypeKind {
return &TypeInfo{Type: typ, Kind: AttrVoid, Type1: ctx.VoidType()}
} else if p.Sizeof(typ) == 0 {
if bret {
return &TypeInfo{Type: typ, Kind: AttrNone, Type1: typ}
}
return &TypeInfo{Type: typ, Kind: AttrVoid, Type1: ctx.VoidType()}
}
return p.sys.GetTypeInfo(ctx, typ, bret)
}
panic("not implment: " + p.GOARCH)
@@ -228,6 +239,8 @@ func (p *Transformer) transformFuncType(ctx llvm.Context, info *FuncInfo) (llvm.
for _, ti := range info.Params {
switch ti.Kind {
case AttrVoid:
// skip
case AttrNone, AttrWidthType:
paramTypes = append(paramTypes, ti.Type1)
case AttrPointer:
@@ -294,9 +307,15 @@ func (p *Transformer) transformFuncBody(ctx llvm.Context, info *FuncInfo, fn llv
index++
}
for i, ti := range info.Params {
nv := params[index]
var nv llvm.Value
switch ti.Kind {
default:
nv = params[index]
case AttrVoid:
nv = llvm.ConstNull(ti.Type)
fn.Param(i).ReplaceAllUsesWith(nv)
// skip
continue
case AttrPointer:
nv = b.CreateLoad(ti.Type, params[index], "")
case AttrWidthType:
@@ -366,6 +385,8 @@ func (p *Transformer) transformCallInstr(ctx llvm.Context, call llvm.Value) bool
switch ti.Kind {
default:
nparams = append(nparams, param)
case AttrVoid:
// none
case AttrPointer:
ptr := llvm.CreateAlloca(b, ti.Type)
b.CreateStore(param, ptr)
@@ -510,6 +531,8 @@ func (p *Transformer) transformCallbackFunc(m llvm.Module, fn llvm.Value) (wrap
for _, ti := range info.Params {
switch ti.Kind {
default:
case AttrVoid:
// none
case AttrPointer:
nparams = append(nparams, b.CreateLoad(ti.Type, params[index], ""))
case AttrWidthType: