tree 6480001d8c9c26ae962d7613daf9a9a2861bf06c
parent e94fd1963ddb1102bebd2f769158d087445d7cc8
author Chris Lattner <sabre@nondot.org> 1079313503 +0000
committer Chris Lattner <sabre@nondot.org> 1079313503 +0000

Assert that input blocks meet the invariants we expect

Simplify the input/output finder.  All elements of a basic block are
instructions.  Any used arguments are also inputs.  An instruction can only
be used by another instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12405 91177308-0d34-0410-b5e6-96231b3b80d8