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Author SHA1 Message Date
Florian Hahn 6615a7132a [IPSCCP] Use input operand instead of OriginalOp for ssa_copy. 
OriginalOp of a Predicate refers to the original IR value,
before renaming. While solving in IPSCCP, we have to use
the operand of the ssa_copy instead, to avoid missing
updates for nested conditions on the same IR value.

Fixes PR39772.

llvm-svn: 347524
 2018-11-25 16:32:02 +00:00