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Check to make sure that the iterator isn't at the beginning of the basic block
authorBill Wendling <isanbard@gmail.com>
Sat, 9 Oct 2010 00:03:48 +0000 (00:03 +0000)
committerBill Wendling <isanbard@gmail.com>
Sat, 9 Oct 2010 00:03:48 +0000 (00:03 +0000)
commit0aa38b9381a5be42abd4f5ca5baa8c2930d148d3
treeb424446d0699d9ea963a45d62265edc234bd7b15
parent0d9a0865c61322b31232af10e68ac73db4377994
Check to make sure that the iterator isn't at the beginning of the basic block
before decrementing. <rdar://problem/8529919>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116126 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/ARM/ARMBaseInstrInfo.cpp
test/CodeGen/ARM/2010-10-08-PeepholeCrash.ll [new file with mode: 0644]