AfterInit bugfix: add param Builder

cl/_testgo/strucintf/out.ll

@@ -110,6 +110,7 @@ _llgo_2:                                          ; preds = %_llgo_3, %_llgo_1
   %47 = extractvalue { { i64 }, i1 } %45, 1
   br i1 %47, label %_llgo_4, label %_llgo_6
 
+
 _llgo_3:                                          ; preds = %_llgo_0
   %48 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
   %49 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %48, i32 0, i32 0

ssa/decl.go

@@ -238,6 +238,13 @@ func newParams(fn Type, prog Program) (params []Type, hasVArg bool) {
 	return
 }
 
+/*
+// Name returns the function's name.
+func (p Function) Name() string {
+	return p.impl.Name()
+}
+*/
+
 // Params returns the function's ith parameter.
 func (p Function) Param(i int) Expr {
 	i += p.base // skip if hasFreeVars

ssa/interface.go

@@ -20,6 +20,7 @@ import (
 	"go/token"
 	"go/types"
 	"log"
+	"unsafe"
 
 	"github.com/goplus/llgo/ssa/abi"
 	"github.com/goplus/llvm"
@@ -44,7 +45,8 @@ func (b Builder) abiStruct(t *types.Struct) Expr {
 		g = pkg.doNewVar(name, prog.AbiTypePtrPtr())
 		g.Init(prog.Null(g.Type))
 		g.impl.SetLinkage(llvm.LinkOnceAnyLinkage)
-		pkg.ainits = append(pkg.ainits, func() {
+		pkg.ainits = append(pkg.ainits, func(param unsafe.Pointer) {
+			b := Builder(param)
 			tabi := b.structOf(t)
 			b.Store(g.Expr, tabi)
 		})

ssa/package.go

@@ -19,6 +19,7 @@ package ssa
 import (
 	"go/token"
 	"go/types"
+	"unsafe"
 
 	"github.com/goplus/llgo/ssa/abi"
 	"github.com/goplus/llvm"
@@ -490,7 +491,7 @@ func (p Program) Uint64() Type {
 type aPackage struct {
 	mod    llvm.Module
 	abi    abi.Builder
-	ainits []func()
+	ainits []func(b unsafe.Pointer) // b Builder
 	vars   map[string]Global
 	fns    map[string]Function
 	stubs  map[string]Function
@@ -558,8 +559,8 @@ func (p Package) AfterInit(b Builder, ret BasicBlock) {
 	doAfterInit := len(p.ainits) > 0 || p.pyHasModSyms()
 	if doAfterInit {
 		b.SetBlockEx(ret, afterInit)
-		for _, afterInit := range p.ainits {
-			afterInit()
+		for _, fnAfterInit := range p.ainits {
+			fnAfterInit(unsafe.Pointer(b))
 		}
 		p.pyLoadModSyms(b)
 	}