[LLVMdev] Union type, is it really used or necessary?

[David Given]

On 07/09/10 14:22, Erik de Castro Lopo wrote:
[...]
> When generating 32 bit code the struct looks like:
> 
>      <{ i32, pointer }>
> 
> and for 64 bit code:
> 
>      <{ union { i32, i64 }, pointer }>

Surely LLVM will cause the first structure to be correctly aligned on
64-bit platforms by automatically inserting padding? Is explicit
alignment by the user really necessary?

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