c3c/test/test_suite/abi/sysv_union_struct_vec.c3t

// #target: macos-x64
// Struct-in-union bug #2087
module test;

union Vec3
{
    struct
    {
        float x, y, z;
    }
    float[3] e;
}

fn void test(Vec3 v)
{
}
fn int main()
{
	test((Vec3){1,2,3});
	return 0;
}

/* #expect: test.ll

define void @test.test(<2 x float> %0, float %1) #0 {
entry:
  %v = alloca %Vec3, align 8
  store <2 x float> %0, ptr %v, align 8
  %ptradd = getelementptr inbounds i8, ptr %v, i64 8
  store float %1, ptr %ptradd, align 8
  ret void
}

define i32 @main() #0 {
entry:
  %literal = alloca %Vec3, align 4
  %coerce = alloca %Vec3, align 8
  call void @llvm.memcpy.p0.p0.i32(ptr align 4 %literal, ptr align 4 @.__const, i32 12, i1 false)
  call void @llvm.memcpy.p0.p0.i32(ptr align 8 %coerce, ptr align 4 %literal, i32 12, i1 false)
  %lo = load <2 x float>, ptr %coerce, align 8
  %ptradd = getelementptr inbounds i8, ptr %coerce, i64 8
  %hi = load float, ptr %ptradd, align 8
  call void @test.test(<2 x float> %lo, float %hi)
  ret i32 0
}