diff --git a/chore/llgen/llgen.go b/chore/llgen/llgen.go
index 91fc0688..594076da 100644
--- a/chore/llgen/llgen.go
+++ b/chore/llgen/llgen.go
@@ -25,8 +25,8 @@ import (
 )
 
 func main() {
-	if len(os.Args) != 2 {
-		fmt.Fprintln(os.Stderr, "Usage: llgen xxx.go")
+	if len(os.Args) < 2 {
+		fmt.Fprintln(os.Stderr, "Usage: llgen xxx.go [pkgPath]")
 		return
 	}
 
@@ -35,6 +35,13 @@ func main() {
 	dir, _ := filepath.Split(inFile)
 	outFile := dir + "out.ll"
 
+	pkgPath := ""
+	if len(os.Args) == 3 {
+		pkgPath = os.Args[2]
+	} else {
+		pkgPath = llgen.PkgPath(dir)
+	}
+
 	llgen.Init()
-	llgen.Do(llgen.PkgPath(dir), inFile, outFile)
+	llgen.Do(pkgPath, inFile, outFile)
 }
diff --git a/cl/_testdata/apkg/out.ll b/cl/_testdata/apkg/out.ll
index 75094713..7959439a 100644
--- a/cl/_testdata/apkg/out.ll
+++ b/cl/_testdata/apkg/out.ll
@@ -1,15 +1,15 @@
 ; ModuleID = 'apkg'
 source_filename = "apkg"
 
-@"init$guard" = global ptr null
+@"apkg.init$guard" = global ptr null
 
 define void @apkg.init() {
 _llgo_0:
-  %0 = load i1, ptr @"init$guard", align 1
+  %0 = load i1, ptr @"apkg.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
 
 _llgo_1:                                          ; preds = %_llgo_0
-  store i1 true, ptr @"init$guard", align 1
+  store i1 true, ptr @"apkg.init$guard", align 1
   br label %_llgo_2
 
 _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
diff --git a/cl/_testdata/fncall/out.ll b/cl/_testdata/fncall/out.ll
index 223503e0..b0325800 100644
--- a/cl/_testdata/fncall/out.ll
+++ b/cl/_testdata/fncall/out.ll
@@ -1,15 +1,15 @@
 ; ModuleID = 'main'
 source_filename = "main"
 
-@"init$guard" = global ptr null
+@"main.init$guard" = global ptr null
 
 define void @main.init() {
 _llgo_0:
-  %0 = load i1, ptr @"init$guard", align 1
+  %0 = load i1, ptr @"main.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
 
 _llgo_1:                                          ; preds = %_llgo_0
-  store i1 true, ptr @"init$guard", align 1
+  store i1 true, ptr @"main.init$guard", align 1
   br label %_llgo_2
 
 _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
diff --git a/cl/_testdata/importpkg/out.ll b/cl/_testdata/importpkg/out.ll
index ddd41201..c07ae22b 100644
--- a/cl/_testdata/importpkg/out.ll
+++ b/cl/_testdata/importpkg/out.ll
@@ -1,24 +1,24 @@
 ; ModuleID = 'main'
 source_filename = "main"
 
-@"init$guard" = global ptr null
-@hello = global ptr null
+@"main.init$guard" = global ptr null
+@main.hello = global ptr null
 
 define void @main.init() {
 _llgo_0:
-  %0 = load i1, ptr @"init$guard", align 1
+  %0 = load i1, ptr @"main.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
 
 _llgo_1:                                          ; preds = %_llgo_0
-  store i1 true, ptr @"init$guard", align 1
+  store i1 true, ptr @"main.init$guard", align 1
   call void @"github.com/goplus/llgo/cl/internal/stdio.init"()
-  store i8 72, ptr @hello, align 1
-  store i8 101, ptr getelementptr inbounds (i8, ptr @hello, i64 1), align 1
-  store i8 108, ptr getelementptr inbounds (i8, ptr @hello, i64 2), align 1
-  store i8 108, ptr getelementptr inbounds (i8, ptr @hello, i64 3), align 1
-  store i8 111, ptr getelementptr inbounds (i8, ptr @hello, i64 4), align 1
-  store i8 10, ptr getelementptr inbounds (i8, ptr @hello, i64 5), align 1
-  store i8 0, ptr getelementptr inbounds (i8, ptr @hello, i64 6), align 1
+  store i8 72, ptr @main.hello, align 1
+  store i8 101, ptr getelementptr inbounds (i8, ptr @main.hello, i64 1), align 1
+  store i8 108, ptr getelementptr inbounds (i8, ptr @main.hello, i64 2), align 1
+  store i8 108, ptr getelementptr inbounds (i8, ptr @main.hello, i64 3), align 1
+  store i8 111, ptr getelementptr inbounds (i8, ptr @main.hello, i64 4), align 1
+  store i8 10, ptr getelementptr inbounds (i8, ptr @main.hello, i64 5), align 1
+  store i8 0, ptr getelementptr inbounds (i8, ptr @main.hello, i64 6), align 1
   br label %_llgo_2
 
 _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
@@ -28,7 +28,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
 define void @main() {
 _llgo_0:
   call void @main.init()
-  call void (ptr, ...) @printf(ptr @hello)
+  call void (ptr, ...) @printf(ptr @main.hello)
   ret void
 }
 
diff --git a/cl/_testdata/printf/out.ll b/cl/_testdata/printf/out.ll
index 6f6cc558..a5532ec5 100644
--- a/cl/_testdata/printf/out.ll
+++ b/cl/_testdata/printf/out.ll
@@ -1,23 +1,23 @@
 ; ModuleID = 'main'
 source_filename = "main"
 
-@"init$guard" = global ptr null
-@hello = global ptr null
+@"main.init$guard" = global ptr null
+@main.hello = global ptr null
 
 define void @main.init() {
 _llgo_0:
-  %0 = load i1, ptr @"init$guard", align 1
+  %0 = load i1, ptr @"main.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
 
 _llgo_1:                                          ; preds = %_llgo_0
-  store i1 true, ptr @"init$guard", align 1
-  store i8 72, ptr @hello, align 1
-  store i8 101, ptr getelementptr inbounds (i8, ptr @hello, i64 1), align 1
-  store i8 108, ptr getelementptr inbounds (i8, ptr @hello, i64 2), align 1
-  store i8 108, ptr getelementptr inbounds (i8, ptr @hello, i64 3), align 1
-  store i8 111, ptr getelementptr inbounds (i8, ptr @hello, i64 4), align 1
-  store i8 10, ptr getelementptr inbounds (i8, ptr @hello, i64 5), align 1
-  store i8 0, ptr getelementptr inbounds (i8, ptr @hello, i64 6), align 1
+  store i1 true, ptr @"main.init$guard", align 1
+  store i8 72, ptr @main.hello, align 1
+  store i8 101, ptr getelementptr inbounds (i8, ptr @main.hello, i64 1), align 1
+  store i8 108, ptr getelementptr inbounds (i8, ptr @main.hello, i64 2), align 1
+  store i8 108, ptr getelementptr inbounds (i8, ptr @main.hello, i64 3), align 1
+  store i8 111, ptr getelementptr inbounds (i8, ptr @main.hello, i64 4), align 1
+  store i8 10, ptr getelementptr inbounds (i8, ptr @main.hello, i64 5), align 1
+  store i8 0, ptr getelementptr inbounds (i8, ptr @main.hello, i64 6), align 1
   br label %_llgo_2
 
 _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
@@ -29,6 +29,6 @@ declare void @printf(ptr, ...)
 define void @main() {
 _llgo_0:
   call void @main.init()
-  call void (ptr, ...) @printf(ptr @hello)
+  call void (ptr, ...) @printf(ptr @main.hello)
   ret void
 }
diff --git a/cl/_testdata/varinit/out.ll b/cl/_testdata/varinit/out.ll
index a8a4848b..3052516c 100644
--- a/cl/_testdata/varinit/out.ll
+++ b/cl/_testdata/varinit/out.ll
@@ -1,17 +1,17 @@
 ; ModuleID = 'main'
 source_filename = "main"
 
-@"init$guard" = global ptr null
-@a = global ptr null
+@"main.init$guard" = global ptr null
+@main.a = global ptr null
 
 define void @main.init() {
 _llgo_0:
-  %0 = load i1, ptr @"init$guard", align 1
+  %0 = load i1, ptr @"main.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
 
 _llgo_1:                                          ; preds = %_llgo_0
-  store i1 true, ptr @"init$guard", align 1
-  store i64 100, ptr @a, align 4
+  store i1 true, ptr @"main.init$guard", align 1
+  store i64 100, ptr @main.a, align 4
   br label %_llgo_2
 
 _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
@@ -21,9 +21,9 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
 define void @main() {
 _llgo_0:
   call void @main.init()
-  %0 = load i64, ptr @a, align 4
+  %0 = load i64, ptr @main.a, align 4
   %1 = add i64 %0, 1
-  store i64 %1, ptr @a, align 4
-  %2 = load i64, ptr @a, align 4
+  store i64 %1, ptr @main.a, align 4
+  %2 = load i64, ptr @main.a, align 4
   ret void
 }
diff --git a/cl/compile.go b/cl/compile.go
index 38a20fcc..0a448401 100644
--- a/cl/compile.go
+++ b/cl/compile.go
@@ -91,6 +91,7 @@ type context struct {
 	pkg    llssa.Package
 	fn     llssa.Function
 	fset   *token.FileSet
+	goTyps *types.Package
 	goPkg  *ssa.Package
 	link   map[string]string        // pkgPath.nameInPkg => linkname
 	loaded map[*types.Package]none  // loaded packages
@@ -104,7 +105,8 @@ func (p *context) compileType(pkg llssa.Package, member *ssa.Type) {
 
 // Global variable.
 func (p *context) compileGlobal(pkg llssa.Package, gbl *ssa.Global) {
-	name, typ := gbl.Name(), gbl.Type()
+	typ := gbl.Type()
+	name := fullName(gbl.Pkg.Pkg, gbl.Name())
 	if debugInstr {
 		log.Println("==> NewVar", name, typ)
 	}
@@ -245,10 +247,7 @@ func (p *context) compileValue(b llssa.Builder, v ssa.Value) llssa.Expr {
 		fn := p.funcOf(v)
 		return fn.Expr
 	case *ssa.Global:
-		if v.Pkg != p.goPkg {
-			panic("todo")
-		}
-		g := p.pkg.VarOf(v.Name())
+		g := p.varOf(v)
 		return g.Expr
 	case *ssa.Const:
 		t := v.Type()
@@ -309,6 +308,7 @@ func NewPackage(prog llssa.Program, pkg *ssa.Package, files []*ast.File) (ret ll
 		prog:   prog,
 		pkg:    ret,
 		fset:   pkg.Prog.Fset,
+		goTyps: pkgTypes,
 		goPkg:  pkg,
 		link:   make(map[string]string),
 		loaded: make(map[*types.Package]none),
diff --git a/cl/compile_test.go b/cl/compile_test.go
index 9b72311f..2deacb58 100644
--- a/cl/compile_test.go
+++ b/cl/compile_test.go
@@ -118,16 +118,16 @@ var a int
 `, `; ModuleID = 'foo'
 source_filename = "foo"
 
-@"init$guard" = global ptr null
-@a = global ptr null
+@"foo.init$guard" = global ptr null
+@foo.a = global ptr null
 
 define void @foo.init() {
 _llgo_0:
-  %0 = load i1, ptr @"init$guard", align 1
+  %0 = load i1, ptr @"foo.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
 
 _llgo_1:                                          ; preds = %_llgo_0
-  store i1 true, ptr @"init$guard", align 1
+  store i1 true, ptr @"foo.init$guard", align 1
   br label %_llgo_2
 
 _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
@@ -145,15 +145,15 @@ func fn(a int, b float64) int {
 `, `; ModuleID = 'foo'
 source_filename = "foo"
 
-@"init$guard" = global ptr null
+@"foo.init$guard" = global ptr null
 
 define void @foo.init() {
 _llgo_0:
-  %0 = load i1, ptr @"init$guard", align 1
+  %0 = load i1, ptr @"foo.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
 
 _llgo_1:                                          ; preds = %_llgo_0
-  store i1 true, ptr @"init$guard", align 1
+  store i1 true, ptr @"foo.init$guard", align 1
   br label %_llgo_2
 
 _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
diff --git a/cl/import.go b/cl/import.go
index 1b2008f8..30a203a7 100644
--- a/cl/import.go
+++ b/cl/import.go
@@ -126,11 +126,7 @@ func (p *context) funcName(pkg *types.Package, fn *ssa.Function) string {
 }
 
 func (p *context) funcOf(fn *ssa.Function) llssa.Function {
-	pkgTypes := fn.Pkg.Pkg
-	if _, ok := p.loaded[pkgTypes]; !ok {
-		p.loaded[pkgTypes] = none{}
-		p.importPkg(pkgTypes)
-	}
+	pkgTypes := p.ensureLoaded(fn.Pkg.Pkg)
 	pkg := p.pkg
 	name := p.funcName(pkgTypes, fn)
 	if ret := pkg.FuncOf(name); ret != nil {
@@ -138,3 +134,23 @@ func (p *context) funcOf(fn *ssa.Function) llssa.Function {
 	}
 	return pkg.NewFunc(name, fn.Signature)
 }
+
+func (p *context) varOf(v *ssa.Global) llssa.Global {
+	pkgTypes := p.ensureLoaded(v.Pkg.Pkg)
+	pkg := p.pkg
+	name := fullName(pkgTypes, v.Name())
+	if ret := pkg.VarOf(name); ret != nil {
+		return ret
+	}
+	return pkg.NewVar(name, v.Type())
+}
+
+func (p *context) ensureLoaded(pkgTypes *types.Package) *types.Package {
+	if p.goTyps != pkgTypes {
+		if _, ok := p.loaded[pkgTypes]; !ok {
+			p.loaded[pkgTypes] = none{}
+			p.importPkg(pkgTypes)
+		}
+	}
+	return pkgTypes
+}