[llvm-testresults] PowerPC nightly test

[Oscar T. Plant]

http://persephone.cs.uiuc.edu/~oscar/nightlytest/

DEJAGNU TEST RESULTS:
  PERFECT!

DEJAGNU STATISTICS:
  # of expected passes		1161
  # of expected failures		34

USERS WHO COMMITTED:
  lattner

CHANGED FILES:
  llvm/lib/Transforms/Scalar/InstructionCombining.cpp
  llvm/test/Regression/Transforms/InstCombine/shift.ll