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Instead of awkwardly encoding calling-convention information with ISD::CALL, ISD::FORMAL_ARGUMENTS, ISD::RET, and ISD::ARG_FLAGS nodes, TargetLowering provides three virtual functions for targets to override: LowerFormalArguments, LowerCall, and LowerRet, which replace the custom lowering done on the special nodes. They provide the same information, but in a more immediately usable format. This also reworks much of the target-independent tail call logic. The decision of whether or not to perform a tail call is now cleanly split between target-independent portions, and the target dependent portion in IsEligibleForTailCallOptimization. This also synchronizes all in-tree targets, to help enable future refactoring and feature work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78142 91177308-0d34-0410-b5e6-96231b3b80d8 |
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.. | ||
CallingConvLower.cpp | ||
CMakeLists.txt | ||
DAGCombiner.cpp | ||
FastISel.cpp | ||
LegalizeDAG.cpp | ||
LegalizeFloatTypes.cpp | ||
LegalizeIntegerTypes.cpp | ||
LegalizeTypes.cpp | ||
LegalizeTypes.h | ||
LegalizeTypesGeneric.cpp | ||
LegalizeVectorOps.cpp | ||
LegalizeVectorTypes.cpp | ||
Makefile | ||
ScheduleDAGFast.cpp | ||
ScheduleDAGList.cpp | ||
ScheduleDAGRRList.cpp | ||
ScheduleDAGSDNodes.cpp | ||
ScheduleDAGSDNodes.h | ||
ScheduleDAGSDNodesEmit.cpp | ||
SelectionDAG.cpp | ||
SelectionDAGBuild.cpp | ||
SelectionDAGBuild.h | ||
SelectionDAGISel.cpp | ||
SelectionDAGPrinter.cpp | ||
TargetLowering.cpp |