Chris Lattner 520df8464b Fix a bug in the unreachable block elim pass. Dropping all references on a ...

basic block clear()'s all of the operands lists, including phis.  This
caused removePredecessor to get confused later.  Because of this, we just
nuke (without prejudice) PHI nodes in unreachable blocks.

llvm-svn: 14635

2004-07-06 06:36:11 +00:00

2.7 KiB

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