llgo/ssa: TestMakeInterface (32bits); ssa/ssatest

chore/llvmtargets/llvm_targets.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/goplus/llvm"
+)
+
+func main() {
+	llvm.InitializeAllTargetInfos()
+	llvm.InitializeAllTargets()
+	llvm.InitializeAllTargetMCs()
+	llvm.InitializeNativeTarget()
+	fmt.Println("targets:")
+	for it := llvm.FirstTarget(); it.C != nil; it = it.NextTarget() {
+		fmt.Printf("- %s: %s\n", it.Name(), it.Description())
+	}
+}

cl/cltest/cltest.go

@@ -32,6 +32,7 @@ import (
 	"github.com/goplus/gogen/packages"
 	"github.com/goplus/llgo/cl"
 	"github.com/goplus/llgo/internal/llgen"
+	"github.com/goplus/llgo/ssa/ssatest"
 	"golang.org/x/tools/go/ssa"
 	"golang.org/x/tools/go/ssa/ssautil"
 
@@ -139,21 +140,7 @@ func TestCompileEx(t *testing.T, src any, fname, expected string) {
 		t.Fatal("BuildPackage failed:", err)
 	}
 	foo.WriteTo(os.Stderr)
-	prog := llssa.NewProgram(nil)
-	prog.SetRuntime(func() *types.Package {
-		rt, err := imp.Import(llssa.PkgRuntime)
-		if err != nil {
-			t.Fatal("load runtime failed:", err)
-		}
-		return rt
-	})
-	prog.SetPython(func() *types.Package {
-		rt, err := imp.Import(llssa.PkgPython)
-		if err != nil {
-			t.Fatal("load python failed:", err)
-		}
-		return rt
-	})
+	prog := ssatest.NewProgramEx(t, nil, imp)
 
 	ret, err := cl.NewPackage(prog, foo, files)
 	if err != nil {

ssa/cl_test.go

@@ -17,9 +17,12 @@
 package ssa_test
 
 import (
+	"go/types"
 	"testing"
 
 	"github.com/goplus/llgo/cl/cltest"
+	"github.com/goplus/llgo/ssa"
+	"github.com/goplus/llgo/ssa/ssatest"
 )
 
 func TestFromTestpy(t *testing.T) {
@@ -42,6 +45,40 @@ func TestAbi(t *testing.T) {
 	cltest.Pkg(t, "github.com/goplus/llgo/internal/abi", "../internal/abi/llgo_autogen.ll")
 }
 
+func TestMakeInterface(t *testing.T) {
+	prog := ssatest.NewProgram(t, &ssa.Target{GOARCH: "x86"})
+	pkg := prog.NewPackage("foo", "foo")
+	fn := pkg.NewFunc("main", types.NewSignatureType(nil, nil, nil, nil, nil, false), ssa.InC)
+	b := fn.MakeBody(1)
+	b.MakeInterface(prog.Any(), prog.IntVal(100, prog.Int64()))
+	b.MakeInterface(prog.Any(), prog.FloatVal(100, prog.Float64()))
+	b.Return()
+	ssatest.Assert(t, pkg, `; ModuleID = 'foo'
+source_filename = "foo"
+
+%"github.com/goplus/llgo/internal/runtime.iface" = type { ptr, ptr }
+
+define void @main() {
+_llgo_0:
+  %0 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 8)
+  store i64 100, ptr %0, align 4
+  %1 = call ptr @"github.com/goplus/llgo/internal/runtime.Basic"(i64 6)
+  %2 = call %"github.com/goplus/llgo/internal/runtime.iface" @"github.com/goplus/llgo/internal/runtime.MakeAny"(ptr %1, ptr %0)
+  %3 = call ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64 8)
+  store double 1.000000e+02, ptr %3, align 8
+  %4 = call ptr @"github.com/goplus/llgo/internal/runtime.Basic"(i64 14)
+  %5 = call %"github.com/goplus/llgo/internal/runtime.iface" @"github.com/goplus/llgo/internal/runtime.MakeAny"(ptr %4, ptr %3)
+  ret void
+}
+
+declare ptr @"github.com/goplus/llgo/internal/runtime.AllocU"(i64)
+
+declare %"github.com/goplus/llgo/internal/runtime.iface" @"github.com/goplus/llgo/internal/runtime.MakeAny"(ptr, ptr)
+
+declare ptr @"github.com/goplus/llgo/internal/runtime.Basic"(i64)
+`)
+}
+
 /*
 func TestCallback(t *testing.T) {
 	ctx := llvm.NewContext()

ssa/package.go

@@ -182,7 +182,7 @@ func NewProgram(target *Target) Program {
 		// TODO(xsw): Finalize may cause panic, so comment it.
 		ctx.Finalize()
 	*/
-	is32Bits := (td.PointerSize() == 4)
+	is32Bits := (td.PointerSize() == 4 || target.GOARCH == "x86") // TODO(xsw): remove temp code
 	return &aProgram{
 		ctx: ctx, gocvt: newGoTypes(), // abi: abi.New(),
 		target: target, td: td, is32Bits: is32Bits,

ssa/ssa_test.go

@@ -21,10 +21,18 @@ import (
 	"go/token"
 	"go/types"
 	"testing"
+	"unsafe"
 
 	"github.com/goplus/llvm"
 )
 
+func TestPointerSize(t *testing.T) {
+	expected := unsafe.Sizeof(uintptr(0))
+	if size := NewProgram(nil).PointerSize(); size != int(expected) {
+		t.Fatal("bad PointerSize:", size)
+	}
+}
+
 func TestSetBlock(t *testing.T) {
 	defer func() {
 		if r := recover(); r == nil {

ssa/ssatest/ssautil.go

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package ssatest
+
+import (
+	"go/token"
+	"go/types"
+	"testing"
+
+	"github.com/goplus/gogen/packages"
+	"github.com/goplus/llgo/ssa"
+)
+
+func NewProgram(t *testing.T, target *ssa.Target) ssa.Program {
+	fset := token.NewFileSet()
+	imp := packages.NewImporter(fset)
+	return NewProgramEx(t, target, imp)
+}
+
+func NewProgramEx(t *testing.T, target *ssa.Target, imp types.Importer) ssa.Program {
+	prog := ssa.NewProgram(target)
+	prog.SetRuntime(func() *types.Package {
+		rt, err := imp.Import(ssa.PkgRuntime)
+		if err != nil {
+			t.Fatal("load runtime failed:", err)
+		}
+		return rt
+	})
+	prog.SetPython(func() *types.Package {
+		rt, err := imp.Import(ssa.PkgPython)
+		if err != nil {
+			t.Fatal("load python failed:", err)
+		}
+		return rt
+	})
+	return prog
+}
+
+func Assert(t *testing.T, p ssa.Package, expected string) {
+	t.Helper()
+	if v := p.String(); v != expected {
+		t.Fatalf("\n==> got:\n%s\n==> expected:\n%s\n", v, expected)
+	}
+}