// #target: macos-x64
module test;
struct Foo
{
	int[30] a;
}

fn void test()
{
	int? a = 0;
	Foo? b = {};
	Foo c;

	int e = a ?? 1;
	Foo d = b ?? c;
	return;
}

/* #expect: test.ll

define void @test.test() #0 {
entry:
  %a = alloca i32, align 4
  %a.f = alloca i64, align 8
  %b = alloca %Foo, align 4
  %b.f = alloca i64, align 8
  %c = alloca %Foo, align 4
  %e = alloca i32, align 4
  %d = alloca %Foo, align 4
  store i32 0, ptr %a, align 4
  store i64 0, ptr %a.f, align 8
  call void @llvm.memset.p0.i64(ptr align 4 %b, i8 0, i64 120, i1 false)
  store i64 0, ptr %b.f, align 8
  call void @llvm.memset.p0.i64(ptr align 4 %c, i8 0, i64 120, i1 false)
  %optval = load i64, ptr %a.f, align 8
  %not_err = icmp eq i64 %optval, 0
  %0 = call i1 @llvm.expect.i1(i1 %not_err, i1 true)
  br i1 %0, label %after_check, label %else_block

after_check:                                      ; preds = %entry
  %1 = load i32, ptr %a, align 4
  br label %phi_block

else_block:                                       ; preds = %entry
  br label %phi_block

phi_block:                                        ; preds = %else_block, %after_check
  %val = phi i32 [ %1, %after_check ], [ 1, %else_block ]
  store i32 %val, ptr %e, align 4
  %optval1 = load i64, ptr %b.f, align 8
  %not_err2 = icmp eq i64 %optval1, 0
  %2 = call i1 @llvm.expect.i1(i1 %not_err2, i1 true)
  br i1 %2, label %after_check3, label %else_block4

after_check3:                                     ; preds = %phi_block
  br label %phi_block5

else_block4:                                      ; preds = %phi_block
  br label %phi_block5

phi_block5:                                       ; preds = %else_block4, %after_check3
  %val6 = phi ptr [ %b, %after_check3 ], [ %c, %else_block4 ]
  call void @llvm.memcpy.p0.p0.i32(ptr align 4 %d, ptr align 8 %val6, i32 120, i1 false)
  ret void
}