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The behavior of {MIN,MAX}NAN differs from that of {MIN,MAX}NUM when only one of the inputs is NaN: -NUM will return the non-NaN argument while -NAN would return NaN. It is desirable to lower to @llvm.{min,max}num to -NAN if they don't have a native instruction for -NUM. Notably, ARMv7 NEON's vmin has the -NAN semantics. N.B. Of course, it is only safe to do this if the intrinsic call is marked nnan. llvm-svn: 266279 |
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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 |