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from 1f90a252c7c [X86][SSE] Dropped -mcpu from bitcast+setcc mask tests new e54a2b399d1 [DAGCombiner] visitRotate patch to optimize pair of ROTR/RO [...] new cb358c5493c [PowerPC] Make sure that we remove dead PHI nodes after the [...]

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Summary of changes: lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 19 ++++++++++++++++ lib/Target/PowerPC/PPCCTRLoops.cpp | 5 +++- test/CodeGen/ARM/ror.ll | 9 +++----- test/CodeGen/PowerPC/ppc-ctr-dead-code.ll | 38 +++++++++++++++++++++++++++++++ test/CodeGen/X86/combine-rotates.ll | 6 ++--- 5 files changed, 66 insertions(+), 11 deletions(-) create mode 100644 test/CodeGen/PowerPC/ppc-ctr-dead-code.ll