[LLVMdev] Interesting optimization failure.

[Duncan Sands]

Hi Richard,

> I have been working on using arrays and structs as first class objects.

good to hear!  The example doesn't make use of that though, does it?

> I have this small function:
> 
> int main()
> {
>      char ar[10] = "12";
>      return ar[4];
> }
...
> define i32 @main() nounwind  {
> entry:
>          ret i32 49
> }
> 

Here I get

define i32 @main() nounwind  {
entry:
        ret i32 0
}

at -O1 and above.

Ciao,

Duncan.