[LLVMdev] Legalizing FrameIndex

[Amogh Akshintala]

Hey all,

I am trying to implement a subtarget for the X86 architecture that only 
has 64 bit Registers. While running LLC on the IR for a very simple 
program, llc fails on an assertion that says it doesn't know how to 
promote ISD::FRAMEINDEX. I've tried to look for why how to promote the 
frameindex which is stored in a i32 variable to an i64 variable but 
can't seem to find where this is done. Can anyone help me with this?

Cheers,
Amogh

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