[llvm] r178845 - Fix bug in PEI's virtual-register scavenging

[Krzysztof Parzyszek]

On 4/5/2013 1:01 PM, Krzysztof Parzyszek wrote:
> They key thing is to tell the
> scavenger about the kills in the instruction which formerly had virtual
> registers.

Brainfart.  The kills won't happen in the same instruction as the def 
(and the def is the point at which scavenging happens).  Sorry, it's 
been a while since I looked at it (20-something hours.. haha).

I have a local fix for this and all I did was skip both the spill and 
the instruction that triggered the scavenging (after doing the splice).

-Krzysztof

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