c3c/test/test_suite/contracts/simple_test.c3t

// #target: macos-x64

<*
 @param [inout] foo : `test`
 @require baz > 100 : `whatever`
 @ensure *foo > 231
*>
fn void test(int *foo, int baz)
{
	*foo = 444;
}

<*
 @param [inout] foo : `test`
 @require baz > 100 : `whatever`
 @ensure return < 200
*>
fn int test2(int *foo, int baz)
{
	*foo = 444;
	return baz;
}

<*
 @require x > 0
 @ensure return > 0
 *>
fn int test3(int x)
{
	return x + 1;
}

extern fn void printf(char*, ...);

fn void main()
{
	int fooofke;
	test(&fooofke, 330);
	test2(&fooofke, 150);
	test3(123);
	printf("Foo: %d\n", fooofke);
}

/* #expect: simple_test.ll

define void @simple_test.test(ptr %0, i32 %1) #0 {
entry:
  %gt = icmp sgt i32 %1, 100
  call void @llvm.assume(i1 %gt)
  store i32 444, ptr %0, align 4
  ret void
}

define i32 @simple_test.test2(ptr %0, i32 %1) #0 {
entry:
  %gt = icmp sgt i32 %1, 100
  call void @llvm.assume(i1 %gt)
  store i32 444, ptr %0, align 4
  %lt = icmp slt i32 %1, 200
  call void @llvm.assume(i1 %lt)
  ret i32 %1
}

define i32 @simple_test.test3(i32 %0) #0 {
entry:
  %gt = icmp sgt i32 %0, 0
  call void @llvm.assume(i1 %gt)
  %add = add i32 %0, 1
  %gt1 = icmp sgt i32 %add, 0
  call void @llvm.assume(i1 %gt1)
  ret i32 %add
}

define void @simple_test.main() #0 {
entry:
  %fooofke = alloca i32, align 4
  store i32 0, ptr %fooofke, align 4
  call void @simple_test.test(ptr %fooofke, i32 330)
  %0 = call i32 @simple_test.test2(ptr %fooofke, i32 150)
  %1 = call i32 @simple_test.test3(i32 123)
  %2 = load i32, ptr %fooofke, align 4
  call void (ptr, ...) @printf(ptr @.str, i32 %2)
  ret void
}

define i32 @main(i32 %0, ptr %1) #0 {
entry:
  call void @simple_test.main()
  ret i32 0
}