Issue 64754
Summary Miscompile after D155071
Labels backend:RISC-V
Assignees luke957
Reporter topperc
    I have a tail undefined unmasked vrgather.vi with VL=2 followed by a tail undefined vmerge with VL=4. This gets combined to a tail agnostic masked undisturbed masked vrgather.vi with VL =2. I think this needs to be a tail undisturbed VL to account for elements 2 and 3 from the vmerge becoming part of the tail?

I don't have a reduced test case

cc: @preames 
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