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This patch avoids scalarization of CTLZ by instead expanding to use CTPOP (ref: "Hacker's Delight") when the necessary operations are available. This also adds the necessary cost models for X86 SSE2 targets (the main beneficiary) to ensure vectorization only happens when its useful. Differential Revision: https://reviews.llvm.org/D25910 llvm-svn: 286233 |
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.. | ||
CMakeLists.txt | ||
DAGCombiner.cpp | ||
FastISel.cpp | ||
FunctionLoweringInfo.cpp | ||
InstrEmitter.cpp | ||
InstrEmitter.h | ||
LegalizeDAG.cpp | ||
LegalizeFloatTypes.cpp | ||
LegalizeIntegerTypes.cpp | ||
LegalizeTypes.cpp | ||
LegalizeTypes.h | ||
LegalizeTypesGeneric.cpp | ||
LegalizeVectorOps.cpp | ||
LegalizeVectorTypes.cpp | ||
LLVMBuild.txt | ||
ResourcePriorityQueue.cpp | ||
ScheduleDAGFast.cpp | ||
ScheduleDAGRRList.cpp | ||
ScheduleDAGSDNodes.cpp | ||
ScheduleDAGSDNodes.h | ||
ScheduleDAGVLIW.cpp | ||
SDNodeDbgValue.h | ||
SelectionDAG.cpp | ||
SelectionDAGBuilder.cpp | ||
SelectionDAGBuilder.h | ||
SelectionDAGDumper.cpp | ||
SelectionDAGISel.cpp | ||
SelectionDAGPrinter.cpp | ||
SelectionDAGTargetInfo.cpp | ||
StatepointLowering.cpp | ||
StatepointLowering.h | ||
TargetLowering.cpp |