move out c/cpp/py

cl/_testlibc/allocacstrs/in.go

@@ -0,0 +1,16 @@
+package main
+
+import "github.com/goplus/lib/c"
+
+func main() {
+	cstrs := c.AllocaCStrs([]string{"a", "b", "c"}, true)
+	n := 0
+	for {
+		cstr := *c.Advance(cstrs, n)
+		if cstr == nil {
+			break
+		}
+		c.Printf(c.Str("%s\n"), cstr)
+		n++
+	}
+}

cl/_testlibc/allocacstrs/out.ll

@@ -0,0 +1,93 @@
+; ModuleID = 'github.com/goplus/llgo/cl/_testlibc/allocacstrs'
+source_filename = "github.com/goplus/llgo/cl/_testlibc/allocacstrs"
+
+%"github.com/goplus/llgo/runtime/internal/runtime.String" = type { ptr, i64 }
+%"github.com/goplus/llgo/runtime/internal/runtime.Slice" = type { ptr, i64, i64 }
+
+@"github.com/goplus/llgo/cl/_testlibc/allocacstrs.init$guard" = global i1 false, align 1
+@0 = private unnamed_addr constant [1 x i8] c"a", align 1
+@1 = private unnamed_addr constant [1 x i8] c"b", align 1
+@2 = private unnamed_addr constant [1 x i8] c"c", align 1
+@3 = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
+
+define void @"github.com/goplus/llgo/cl/_testlibc/allocacstrs.init"() {
+_llgo_0:
+  %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testlibc/allocacstrs.init$guard", align 1
+  br i1 %0, label %_llgo_2, label %_llgo_1
+
+_llgo_1:                                          ; preds = %_llgo_0
+  store i1 true, ptr @"github.com/goplus/llgo/cl/_testlibc/allocacstrs.init$guard", align 1
+  br label %_llgo_2
+
+_llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
+  ret void
+}
+
+define void @"github.com/goplus/llgo/cl/_testlibc/allocacstrs.main"() {
+_llgo_0:
+  %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 48)
+  %1 = getelementptr inbounds %"github.com/goplus/llgo/runtime/internal/runtime.String", ptr %0, i64 0
+  store %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @0, i64 1 }, ptr %1, align 8
+  %2 = getelementptr inbounds %"github.com/goplus/llgo/runtime/internal/runtime.String", ptr %0, i64 1
+  store %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @1, i64 1 }, ptr %2, align 8
+  %3 = getelementptr inbounds %"github.com/goplus/llgo/runtime/internal/runtime.String", ptr %0, i64 2
+  store %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @2, i64 1 }, ptr %3, align 8
+  %4 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" undef, ptr %0, 0
+  %5 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %4, i64 3, 1
+  %6 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %5, i64 3, 2
+  %7 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %6, 1
+  %8 = add i64 %7, 1
+  %9 = alloca ptr, i64 %8, align 8
+  br label %_llgo_4
+
+_llgo_1:                                          ; preds = %_llgo_3, %_llgo_6
+  %10 = phi i64 [ 0, %_llgo_6 ], [ %15, %_llgo_3 ]
+  %11 = getelementptr ptr, ptr %9, i64 %10
+  %12 = load ptr, ptr %11, align 8
+  %13 = icmp eq ptr %12, null
+  br i1 %13, label %_llgo_2, label %_llgo_3
+
+_llgo_2:                                          ; preds = %_llgo_1
+  ret void
+
+_llgo_3:                                          ; preds = %_llgo_1
+  %14 = call i32 (ptr, ...) @printf(ptr @3, ptr %12)
+  %15 = add i64 %10, 1
+  br label %_llgo_1
+
+_llgo_4:                                          ; preds = %_llgo_5, %_llgo_0
+  %16 = phi i64 [ 0, %_llgo_0 ], [ %30, %_llgo_5 ]
+  %17 = icmp slt i64 %16, %7
+  br i1 %17, label %_llgo_5, label %_llgo_6
+
+_llgo_5:                                          ; preds = %_llgo_4
+  %18 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %6, 0
+  %19 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %6, 1
+  %20 = icmp slt i64 %16, 0
+  %21 = icmp sge i64 %16, %19
+  %22 = or i1 %21, %20
+  call void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1 %22)
+  %23 = getelementptr inbounds %"github.com/goplus/llgo/runtime/internal/runtime.String", ptr %18, i64 %16
+  %24 = load %"github.com/goplus/llgo/runtime/internal/runtime.String", ptr %23, align 8
+  %25 = getelementptr ptr, ptr %9, i64 %16
+  %26 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.String" %24, 1
+  %27 = add i64 %26, 1
+  %28 = alloca i8, i64 %27, align 1
+  %29 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.CStrCopy"(ptr %28, %"github.com/goplus/llgo/runtime/internal/runtime.String" %24)
+  store ptr %29, ptr %25, align 8
+  %30 = add i64 %16, 1
+  br label %_llgo_4
+
+_llgo_6:                                          ; preds = %_llgo_4
+  %31 = getelementptr ptr, ptr %9, i64 %7
+  store ptr null, ptr %31, align 8
+  br label %_llgo_1
+}
+
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1)
+
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.CStrCopy"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.String")
+
+declare i32 @printf(ptr, ...)

cl/_testlibc/argv/in.go

@@ -0,0 +1,11 @@
+package main
+
+import (
+	"github.com/goplus/lib/c"
+)
+
+func main() {
+	for i := c.Int(0); i < c.Argc; i++ {
+		c.Printf(c.Str("%s\n"), c.Index(c.Argv, i))
+	}
+}

cl/_testlibc/argv/out.ll

@@ -0,0 +1,44 @@
+; ModuleID = 'github.com/goplus/llgo/cl/_testlibc/argv'
+source_filename = "github.com/goplus/llgo/cl/_testlibc/argv"
+
+@"github.com/goplus/llgo/cl/_testlibc/argv.init$guard" = global i1 false, align 1
+@__llgo_argc = external global i32, align 4
+@0 = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
+@__llgo_argv = external global ptr, align 8
+
+define void @"github.com/goplus/llgo/cl/_testlibc/argv.init"() {
+_llgo_0:
+  %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testlibc/argv.init$guard", align 1
+  br i1 %0, label %_llgo_2, label %_llgo_1
+
+_llgo_1:                                          ; preds = %_llgo_0
+  store i1 true, ptr @"github.com/goplus/llgo/cl/_testlibc/argv.init$guard", align 1
+  br label %_llgo_2
+
+_llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
+  ret void
+}
+
+define void @"github.com/goplus/llgo/cl/_testlibc/argv.main"() {
+_llgo_0:
+  br label %_llgo_1
+
+_llgo_1:                                          ; preds = %_llgo_2, %_llgo_0
+  %0 = phi i32 [ 0, %_llgo_0 ], [ %7, %_llgo_2 ]
+  %1 = load i32, ptr @__llgo_argc, align 4
+  %2 = icmp slt i32 %0, %1
+  br i1 %2, label %_llgo_2, label %_llgo_3
+
+_llgo_2:                                          ; preds = %_llgo_1
+  %3 = load ptr, ptr @__llgo_argv, align 8
+  %4 = getelementptr ptr, ptr %3, i32 %0
+  %5 = load ptr, ptr %4, align 8
+  %6 = call i32 (ptr, ...) @printf(ptr @0, ptr %5)
+  %7 = add i32 %0, 1
+  br label %_llgo_1
+
+_llgo_3:                                          ; preds = %_llgo_1
+  ret void
+}
+
+declare i32 @printf(ptr, ...)

cl/_testlibc/atomic/in.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+	"github.com/goplus/lib/c"
+	"github.com/goplus/lib/c/sync/atomic"
+)
+
+func main() {
+	var v int64
+
+	atomic.Store(&v, 100)
+	c.Printf(c.Str("store: %ld\n"), atomic.Load(&v))
+
+	ret := atomic.Add(&v, 1)
+	c.Printf(c.Str("ret: %ld, v: %ld\n"), ret, v)
+
+	ret, _ = atomic.CompareAndExchange(&v, 100, 102)
+	c.Printf(c.Str("ret: %ld vs 100, v: %ld\n"), ret, v)
+
+	ret, _ = atomic.CompareAndExchange(&v, 101, 102)
+	c.Printf(c.Str("ret: %ld vs 101, v: %ld\n"), ret, v)
+
+	ret = atomic.Sub(&v, 1)
+	c.Printf(c.Str("ret: %ld, v: %ld\n"), ret, v)
+}

cl/_testlibc/atomic/out.ll

@@ -0,0 +1,51 @@
+; ModuleID = 'github.com/goplus/llgo/cl/_testlibc/atomic'
+source_filename = "github.com/goplus/llgo/cl/_testlibc/atomic"
+
+@"github.com/goplus/llgo/cl/_testlibc/atomic.init$guard" = global i1 false, align 1
+@0 = private unnamed_addr constant [12 x i8] c"store: %ld\0A\00", align 1
+@1 = private unnamed_addr constant [18 x i8] c"ret: %ld, v: %ld\0A\00", align 1
+@2 = private unnamed_addr constant [25 x i8] c"ret: %ld vs 100, v: %ld\0A\00", align 1
+@3 = private unnamed_addr constant [25 x i8] c"ret: %ld vs 101, v: %ld\0A\00", align 1
+@4 = private unnamed_addr constant [18 x i8] c"ret: %ld, v: %ld\0A\00", align 1
+
+define void @"github.com/goplus/llgo/cl/_testlibc/atomic.init"() {
+_llgo_0:
+  %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testlibc/atomic.init$guard", align 1
+  br i1 %0, label %_llgo_2, label %_llgo_1
+
+_llgo_1:                                          ; preds = %_llgo_0
+  store i1 true, ptr @"github.com/goplus/llgo/cl/_testlibc/atomic.init$guard", align 1
+  br label %_llgo_2
+
+_llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
+  ret void
+}
+
+define void @"github.com/goplus/llgo/cl/_testlibc/atomic.main"() {
+_llgo_0:
+  %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
+  store atomic i64 100, ptr %0 seq_cst, align 4
+  %1 = load atomic i64, ptr %0 seq_cst, align 4
+  %2 = call i32 (ptr, ...) @printf(ptr @0, i64 %1)
+  %3 = atomicrmw add ptr %0, i64 1 seq_cst, align 8
+  %4 = load i64, ptr %0, align 4
+  %5 = call i32 (ptr, ...) @printf(ptr @1, i64 %3, i64 %4)
+  %6 = cmpxchg ptr %0, i64 100, i64 102 seq_cst seq_cst, align 8
+  %7 = extractvalue { i64, i1 } %6, 0
+  %8 = extractvalue { i64, i1 } %6, 1
+  %9 = load i64, ptr %0, align 4
+  %10 = call i32 (ptr, ...) @printf(ptr @2, i64 %7, i64 %9)
+  %11 = cmpxchg ptr %0, i64 101, i64 102 seq_cst seq_cst, align 8
+  %12 = extractvalue { i64, i1 } %11, 0
+  %13 = extractvalue { i64, i1 } %11, 1
+  %14 = load i64, ptr %0, align 4
+  %15 = call i32 (ptr, ...) @printf(ptr @3, i64 %12, i64 %14)
+  %16 = atomicrmw sub ptr %0, i64 1 seq_cst, align 8
+  %17 = load i64, ptr %0, align 4
+  %18 = call i32 (ptr, ...) @printf(ptr @4, i64 %16, i64 %17)
+  ret void
+}
+
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+
+declare i32 @printf(ptr, ...)

cl/_testlibc/complex/in.go

@@ -0,0 +1,21 @@
+package main
+
+import (
+	"github.com/goplus/lib/c"
+	"github.com/goplus/lib/c/math/cmplx"
+)
+
+func f(c, z complex64, addr c.Pointer) {
+	println("addr:", addr)
+	println("abs(3+4i):", cmplx.Absf(c))
+	println("real(3+4i):", real(z))
+	println("imag(3+4i):", imag(z))
+}
+
+func main() {
+	re := float32(3.0)
+	im := float32(4.0)
+	z := complex64(3 + 4i)
+	x := complex(re, im)
+	f(x, z, c.Func(f))
+}

cl/_testlibc/complex/out.ll

@@ -0,0 +1,66 @@
+; ModuleID = 'github.com/goplus/llgo/cl/_testlibc/complex'
+source_filename = "github.com/goplus/llgo/cl/_testlibc/complex"
+
+%"github.com/goplus/llgo/runtime/internal/runtime.String" = type { ptr, i64 }
+
+@"github.com/goplus/llgo/cl/_testlibc/complex.init$guard" = global i1 false, align 1
+@0 = private unnamed_addr constant [5 x i8] c"addr:", align 1
+@1 = private unnamed_addr constant [10 x i8] c"abs(3+4i):", align 1
+@2 = private unnamed_addr constant [11 x i8] c"real(3+4i):", align 1
+@3 = private unnamed_addr constant [11 x i8] c"imag(3+4i):", align 1
+
+define void @"github.com/goplus/llgo/cl/_testlibc/complex.f"({ float, float } %0, { float, float } %1, ptr %2) {
+_llgo_0:
+  call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @0, i64 5 })
+  call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 32)
+  call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr %2)
+  call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 10)
+  %3 = call float @cabsf({ float, float } %0)
+  call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @1, i64 10 })
+  call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 32)
+  %4 = fpext float %3 to double
+  call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double %4)
+  call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 10)
+  %5 = extractvalue { float, float } %1, 0
+  call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @2, i64 11 })
+  call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 32)
+  %6 = fpext float %5 to double
+  call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double %6)
+  call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 10)
+  %7 = extractvalue { float, float } %1, 1
+  call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @3, i64 11 })
+  call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 32)
+  %8 = fpext float %7 to double
+  call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double %8)
+  call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 10)
+  ret void
+}
+
+define void @"github.com/goplus/llgo/cl/_testlibc/complex.init"() {
+_llgo_0:
+  %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testlibc/complex.init$guard", align 1
+  br i1 %0, label %_llgo_2, label %_llgo_1
+
+_llgo_1:                                          ; preds = %_llgo_0
+  store i1 true, ptr @"github.com/goplus/llgo/cl/_testlibc/complex.init$guard", align 1
+  br label %_llgo_2
+
+_llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
+  ret void
+}
+
+define void @"github.com/goplus/llgo/cl/_testlibc/complex.main"() {
+_llgo_0:
+  call void @"github.com/goplus/llgo/cl/_testlibc/complex.f"({ float, float } { float 3.000000e+00, float 4.000000e+00 }, { float, float } { float 3.000000e+00, float 4.000000e+00 }, ptr @"github.com/goplus/llgo/cl/_testlibc/complex.f")
+  ret void
+}
+
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr)
+
+declare float @cabsf({ float, float })
+
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double)

cl/_testlibc/defer/in.go

@@ -0,0 +1,17 @@
+package main
+
+import "github.com/goplus/lib/c"
+
+func f(s string) bool {
+	return len(s) > 2
+}
+
+func main() {
+	c.GoDeferData()
+	if s := "hello"; f(s) {
+		defer c.Printf(c.Str("%s\n"), c.AllocaCStr(s))
+	} else {
+		defer c.Printf(c.Str("world\n"))
+	}
+	defer c.Printf(c.Str("bye\n"))
+}

cl/_testlibc/defer/out.ll

@@ -0,0 +1 @@
+;

cl/_testlibc/demangle/in.go

@@ -0,0 +1,15 @@
+package main
+
+import (
+	"github.com/goplus/lib/c"
+	"github.com/goplus/lib/cpp/llvm"
+)
+
+func main() {
+	mangledName := "__ZNK9INIReader10ParseErrorEv"
+	if name := llvm.ItaniumDemangle(mangledName, true); name != nil {
+		c.Printf(c.Str("%s\n"), name)
+	} else {
+		println("Failed to demangle")
+	}
+}

cl/_testlibc/demangle/out.ll

@@ -0,0 +1,49 @@
+; ModuleID = 'github.com/goplus/llgo/cl/_testlibc/demangle'
+source_filename = "github.com/goplus/llgo/cl/_testlibc/demangle"
+
+%"github.com/goplus/llgo/runtime/internal/runtime.String" = type { ptr, i64 }
+
+@"github.com/goplus/llgo/cl/_testlibc/demangle.init$guard" = global i1 false, align 1
+@0 = private unnamed_addr constant [29 x i8] c"__ZNK9INIReader10ParseErrorEv", align 1
+@1 = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
+@2 = private unnamed_addr constant [18 x i8] c"Failed to demangle", align 1
+
+define void @"github.com/goplus/llgo/cl/_testlibc/demangle.init"() {
+_llgo_0:
+  %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testlibc/demangle.init$guard", align 1
+  br i1 %0, label %_llgo_2, label %_llgo_1
+
+_llgo_1:                                          ; preds = %_llgo_0
+  store i1 true, ptr @"github.com/goplus/llgo/cl/_testlibc/demangle.init$guard", align 1
+  br label %_llgo_2
+
+_llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
+  ret void
+}
+
+define void @"github.com/goplus/llgo/cl/_testlibc/demangle.main"() {
+_llgo_0:
+  %0 = call ptr @_ZN4llvm15itaniumDemangleENSt3__117basic_string_viewIcNS0_11char_traitsIcEEEEb(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @0, i64 29 }, i1 true)
+  %1 = icmp ne ptr %0, null
+  br i1 %1, label %_llgo_1, label %_llgo_3
+
+_llgo_1:                                          ; preds = %_llgo_0
+  %2 = call i32 (ptr, ...) @printf(ptr @1, ptr %0)
+  br label %_llgo_2
+
+_llgo_2:                                          ; preds = %_llgo_3, %_llgo_1
+  ret void
+
+_llgo_3:                                          ; preds = %_llgo_0
+  call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @2, i64 18 })
+  call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 10)
+  br label %_llgo_2
+}
+
+declare ptr @_ZN4llvm15itaniumDemangleENSt3__117basic_string_viewIcNS0_11char_traitsIcEEEEb(%"github.com/goplus/llgo/runtime/internal/runtime.String", i1)
+
+declare i32 @printf(ptr, ...)
+
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)

cl/_testlibc/once/in.go

@@ -0,0 +1,21 @@
+package main
+
+import (
+	"github.com/goplus/lib/c"
+	"github.com/goplus/lib/c/pthread/sync"
+)
+
+var once sync.Once = sync.OnceInit
+
+func f() {
+	once.Do(func() {
+		c.Printf(c.Str("Do once\n"))
+	})
+}
+
+func main() {
+	println(c.GoString(c.Str("sync.Once demo\n"), 9))
+	println(c.GoString(c.Str("sync.Once demo\n")))
+	f()
+	f()
+}

cl/_testlibc/once/out.ll

@@ -0,0 +1 @@
+;

cl/_testlibc/setjmp/in.go

@@ -0,0 +1,17 @@
+package main
+
+import (
+	"github.com/goplus/lib/c"
+)
+
+func main() {
+	jb := c.AllocaSigjmpBuf()
+	switch ret := c.Sigsetjmp(jb, 0); ret {
+	case 0:
+		cstr := c.Str("??Hello, setjmp!\n")
+		c.Fprintf(c.Stderr, c.Str("%s"), c.Advance(c.Pointer(c.Advance(cstr, 1)), 1))
+		c.Siglongjmp(jb, 1)
+	default:
+		println("exception:", ret)
+	}
+}

cl/_testlibc/setjmp/out.ll

@@ -0,0 +1 @@
+;

cl/_testlibc/sqlite/in.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+	"github.com/goplus/lib/c"
+	"github.com/goplus/lib/c/sqlite"
+)
+
+func main() {
+	db, err := sqlite.OpenV2(c.Str(":memory:"), sqlite.OpenReadWrite|sqlite.OpenMemory, nil)
+	check(err)
+
+	db.Close()
+}
+
+func check(err sqlite.Errno) {
+	if err != sqlite.OK {
+		c.Printf(c.Str("==> Error: (%d) %s\n"), err, err.Errstr())
+		c.Exit(1)
+	}
+}

cl/_testlibc/sqlite/out.ll

@@ -0,0 +1,54 @@
+; ModuleID = 'github.com/goplus/llgo/cl/_testlibc/sqlite'
+source_filename = "github.com/goplus/llgo/cl/_testlibc/sqlite"
+
+@"github.com/goplus/llgo/cl/_testlibc/sqlite.init$guard" = global i1 false, align 1
+@0 = private unnamed_addr constant [20 x i8] c"==> Error: (%d) %s\0A\00", align 1
+@1 = private unnamed_addr constant [9 x i8] c":memory:\00", align 1
+
+define void @"github.com/goplus/llgo/cl/_testlibc/sqlite.check"(i32 %0) {
+_llgo_0:
+  %1 = icmp ne i32 %0, 0
+  br i1 %1, label %_llgo_1, label %_llgo_2
+
+_llgo_1:                                          ; preds = %_llgo_0
+  %2 = call ptr @sqlite3_errstr(i32 %0)
+  %3 = call i32 (ptr, ...) @printf(ptr @0, i32 %0, ptr %2)
+  call void @exit(i32 1)
+  br label %_llgo_2
+
+_llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
+  ret void
+}
+
+define void @"github.com/goplus/llgo/cl/_testlibc/sqlite.init"() {
+_llgo_0:
+  %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testlibc/sqlite.init$guard", align 1
+  br i1 %0, label %_llgo_2, label %_llgo_1
+
+_llgo_1:                                          ; preds = %_llgo_0
+  store i1 true, ptr @"github.com/goplus/llgo/cl/_testlibc/sqlite.init$guard", align 1
+  br label %_llgo_2
+
+_llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
+  ret void
+}
+
+define void @"github.com/goplus/llgo/cl/_testlibc/sqlite.main"() {
+_llgo_0:
+  %0 = call { ptr, i32 } @"github.com/goplus/lib/c/sqlite.OpenV2"(ptr @1, i32 130, ptr null)
+  %1 = extractvalue { ptr, i32 } %0, 0
+  %2 = extractvalue { ptr, i32 } %0, 1
+  call void @"github.com/goplus/llgo/cl/_testlibc/sqlite.check"(i32 %2)
+  %3 = call i32 @sqlite3_close(ptr %1)
+  ret void
+}
+
+declare ptr @sqlite3_errstr(i32)
+
+declare i32 @printf(ptr, ...)
+
+declare void @exit(i32)
+
+declare { ptr, i32 } @"github.com/goplus/lib/c/sqlite.OpenV2"(ptr, i32, ptr)
+
+declare i32 @sqlite3_close(ptr)