Max Kazantsev 360ab70712 [SimplifyCFG] Do not create unneeded PR Phi in block with convergent calls ...

We do not thread blocks with convergent calls, but this check was missing
when we decide to insert PR Phis into it (which we only do for threading).

Differential Revision: https://reviews.llvm.org/D83936
Reviewed By: nikic

2020-07-22 13:53:50 +07:00

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