ssa: fix named func call

cl/_testgo/closure/in.go

@@ -0,0 +1,15 @@
+package main
+
+type T func(n int)
+
+func main() {
+	var env string = "env"
+	var v1 T = func(i int) {
+		println("func", i)
+	}
+	var v2 T = func(i int) {
+		println("closure", i, env)
+	}
+	v1(100)
+	v2(200)
+}

cl/_testgo/closure/out.ll

@@ -0,0 +1,115 @@
+; ModuleID = 'main'
+source_filename = "main"
+
+%"github.com/goplus/llgo/internal/runtime.String" = type { ptr, i64 }
+
+@"main.init$guard" = global i1 false, align 1
+@__llgo_argc = global i32 0, align 4
+@__llgo_argv = global ptr null, align 8
+@0 = private unnamed_addr constant [3 x i8] c"env", align 1
+@1 = private unnamed_addr constant [4 x i8] c"func", align 1
+@2 = private unnamed_addr constant [7 x i8] c"closure", align 1
+
+define void @main.init() {
+_llgo_0:
+  %0 = load i1, ptr @"main.init$guard", align 1
+  br i1 %0, label %_llgo_2, label %_llgo_1
+
+_llgo_1:                                          ; preds = %_llgo_0
+  store i1 true, ptr @"main.init$guard", align 1
+  br label %_llgo_2
+
+_llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
+  ret void
+}
+
+define i32 @main(i32 %0, ptr %1) {
+_llgo_0:
+  store i32 %0, ptr @__llgo_argc, align 4
+  store ptr %1, ptr @__llgo_argv, align 8
+  call void @"github.com/goplus/llgo/internal/runtime.init"()
+  call void @main.init()
+  %2 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64 16)
+  %3 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
+  %4 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %3, i32 0, i32 0
+  store ptr @0, ptr %4, align 8
+  %5 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %3, i32 0, i32 1
+  store i64 3, ptr %5, align 4
+  %6 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %3, align 8
+  store %"github.com/goplus/llgo/internal/runtime.String" %6, ptr %2, align 8
+  %7 = alloca { ptr, ptr }, align 8
+  %8 = getelementptr inbounds { ptr, ptr }, ptr %7, i32 0, i32 0
+  store ptr @"__llgo_stub.main.main$1", ptr %8, align 8
+  %9 = getelementptr inbounds { ptr, ptr }, ptr %7, i32 0, i32 1
+  store ptr null, ptr %9, align 8
+  %10 = load { ptr, ptr }, ptr %7, align 8
+  %11 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 8)
+  %12 = getelementptr inbounds { ptr }, ptr %11, i32 0, i32 0
+  store ptr %2, ptr %12, align 8
+  %13 = alloca { ptr, ptr }, align 8
+  %14 = getelementptr inbounds { ptr, ptr }, ptr %13, i32 0, i32 0
+  store ptr @"main.main$2", ptr %14, align 8
+  %15 = getelementptr inbounds { ptr, ptr }, ptr %13, i32 0, i32 1
+  store ptr %11, ptr %15, align 8
+  %16 = load { ptr, ptr }, ptr %13, align 8
+  %17 = extractvalue { ptr, ptr } %10, 1
+  %18 = extractvalue { ptr, ptr } %10, 0
+  call void %18(ptr %17, i64 100)
+  %19 = extractvalue { ptr, ptr } %16, 1
+  %20 = extractvalue { ptr, ptr } %16, 0
+  call void %20(ptr %19, i64 200)
+  ret i32 0
+}
+
+define void @"main.main$1"(i64 %0) {
+_llgo_0:
+  %1 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
+  %2 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %1, i32 0, i32 0
+  store ptr @1, ptr %2, align 8
+  %3 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %1, i32 0, i32 1
+  store i64 4, ptr %3, align 4
+  %4 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %1, align 8
+  call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" %4)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 32)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %0)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
+  ret void
+}
+
+define void @"main.main$2"(ptr %0, i64 %1) {
+_llgo_0:
+  %2 = load { ptr }, ptr %0, align 8
+  %3 = extractvalue { ptr } %2, 0
+  %4 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %3, align 8
+  %5 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
+  %6 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %5, i32 0, i32 0
+  store ptr @2, ptr %6, align 8
+  %7 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %5, i32 0, i32 1
+  store i64 7, ptr %7, align 4
+  %8 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %5, align 8
+  call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" %8)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 32)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %1)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 32)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" %4)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
+  ret void
+}
+
+declare void @"github.com/goplus/llgo/internal/runtime.init"()
+
+declare ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64)
+
+define linkonce void @"__llgo_stub.main.main$1"(ptr %0, i64 %1) {
+_llgo_0:
+  tail call void @"main.main$1"(i64 %1)
+  ret void
+}
+
+declare ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64)
+
+declare void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String")
+
+declare void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8)
+
+declare void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64)

ssa/expr.go

@@ -689,12 +689,14 @@ func (b Builder) ChangeType(t Type, x Expr) (ret Expr) {
 		log.Printf("ChangeType %v, %v\n", t.RawType(), x.impl)
 	}
 	typ := t.raw.Type
-	switch typ.(type) {
+	switch t.kind {
+	case vkClosure:
+		ret.impl = checkExpr(x, typ.Underlying(), b).impl
 	default:
-		ret.impl = llvm.CreateBitCast(b.impl, x.impl, t.ll)
-		ret.Type = b.Prog.rawType(typ)
-		return
+		ret.impl = x.impl
 	}
+	ret.Type = t
+	return
 }
 
 // The Convert instruction yields the conversion of value X to type

ssa/type.go

@@ -486,7 +486,11 @@ func (p Program) toNamed(raw *types.Named) Type {
 	switch t := raw.Underlying().(type) {
 	case *types.Struct:
 		name := p.llvmNameOf(raw)
-		return &aType{p.toLLVMNamedStruct(name, t), rawType{raw}, vkStruct}
+		kind := vkStruct
+		if isClosure(t) {
+			kind = vkClosure
+		}
+		return &aType{p.toLLVMNamedStruct(name, t), rawType{raw}, kind}
 	default:
 		typ := p.rawType(t)
 		return &aType{typ.ll, rawType{raw}, typ.kind}