toLLVMFunc: closure

internal/runtime/z_closure.go

@@ -16,6 +16,7 @@
 
 package runtime
 
+/*
 import (
 	"unsafe"
 )
@@ -40,3 +41,4 @@ func ClosureF(c Closure) unsafe.Pointer {
 func ClosureData(c Closure) unsafe.Pointer {
 	return c.data
 }
+*/

ssa/cl_test.go

@@ -26,7 +26,7 @@ import (
 )
 
 func TestFromTestrt(t *testing.T) {
-	cltest.FromDir(t, "", "../cl/_testrt", true)
+	cltest.FromDir(t, "intgen", "../cl/_testrt", true)
 }
 
 func TestFromTestdata(t *testing.T) {

ssa/expr.go

@@ -1029,7 +1029,7 @@ func (b Builder) Call(fn Expr, args ...Expr) (ret Expr) {
 		sig := t.(*types.Signature)
 		ret.Type = prog.retType(sig)
 	default:
-		panic("todo")
+		panic("unreachable")
 	}
 	ret.impl = llvm.CreateCall(b.impl, fn.ll, fn.impl, llvmValues(args))
 	return

ssa/package.go

@@ -114,7 +114,6 @@ type aProgram struct {
 	voidType  llvm.Type
 	voidPtrTy llvm.Type
 
-	rtClosureTy llvm.Type
 	rtStringTy llvm.Type
 	rtIfaceTy  llvm.Type
 	rtSliceTy  llvm.Type
@@ -188,13 +187,6 @@ func (p Program) rtType(name string) Type {
 	return p.Type(p.rtNamed(name))
 }
 
-func (p Program) rtClosure() llvm.Type {
-	if p.rtClosureTy.IsNil() {
-		p.rtClosureTy = p.rtType("Closure").ll
-	}
-	return p.rtClosureTy
-}
-
 func (p Program) rtIface() llvm.Type {
 	if p.rtIfaceTy.IsNil() {
 		p.rtIfaceTy = p.rtType("Interface").ll

ssa/type.go

@@ -126,11 +126,6 @@ func (p Program) Field(typ Type, i int) Type {
 }
 
 func (p Program) Type(typ types.Type) Type {
-	/* TODO(xsw): no need?
-	if sig, ok := typ.(*types.Signature); ok { // should methodToFunc
-		return p.llvmSignature(sig, true)
-	}
-	*/
 	if v := p.typs.At(typ); v != nil {
 		return v.(Type)
 	}
@@ -339,7 +334,9 @@ func (p Program) toLLVMFunc(sig *types.Signature, inC, isDecl bool) Type {
 		types.NewField(token.NoPos, nil, "f", (*CFuncPtr)(sig), false),
 		types.NewField(token.NoPos, nil, "data", types.Typ[types.UnsafePointer], false),
 	}
-	return &aType{p.rtClosure(), types.NewStruct(flds, nil), vkClosure}
+	t := types.NewStruct(flds, nil)
+	ll := p.ctx.StructType(p.toLLVMFields(t), false)
+	return &aType{ll, t, vkClosure}
 }
 
 func (p Program) retType(sig *types.Signature) Type {