Hal Finkel daa03ec604 Fix a bug in the new PPC CTR-Loops pass.
The code which tests for an induction operation cannot assume that any
ADDI instruction will have a register operand because the operand could
also be a frame index; for example:
    %vreg16<def> = ADDI8 <fi#0>, 0; G8RC:%vreg16

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158205 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-08 15:38:23 +00:00
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