c3c/test/test_suite/abi/abi_passing_union_with_float.c3t

// #target: linux-x64
module test;
union Vec3
{
	struct
	{
		float x, y, z;
	}
	float e;
}
fn void test(Vec3)
{}

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:
  %.anon = alloca %Vec3, align 8
  store <2 x float> %0, ptr %.anon, align 8
  %ptradd = getelementptr inbounds i8, ptr %.anon, i64 8
  store float %1, ptr %ptradd, align 8
  ret void
}

; Function Attrs: nounwind uwtable
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
}