Displaying 1 result from an estimated 1 matches for "br_dec".
2020 Aug 07
2
Branches which return values in SelectionDAG
...'s illegal because it's logically incorrect (only copy if we're terminating the loop?). If you order it before, I don't think the DAG makes sense anymore:
t1 = CopyToReg %1, t2 ; Copying a value before it's defined???
t2 = Target::BR_DEC ...
Indeed, I get the abort "Operand not processed?" for the CopyToReg when I tried it, indicating something was amiss.
I'm more than willing to provide more context such as DAG dumps if people have ideas, I just didn't want to fill this email with debug.
Is what I'm doing p...