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2015 Jan 15
2
[LLVMdev] Instruction Cost
CostModule::getInstructionCost also consults TTI ( http://llvm.org/docs/doxygen/html/CostModel_8cpp_source.html#l00380). No? Jingyue On Wed, Jan 14, 2015 at 4:05 PM, Chandler Carruth <chandlerc at google.com> wrote: > > On Wed, Jan 14, 2015 at 3:54 PM, Jingyue Wu <jingyue at google.com> wrote: > >> I'm looking for APIs that compute instruction costs, and noticed several >> of...
2015 Jan 14
6
[LLVMdev] Instruction Cost
Hi, I'm looking for APIs that compute instruction costs, and noticed several of them. 1. A series of APIs of TargetTransformInfo that compute the cost of instructions of a particular type (e.g. getArithmeticInstrCost and getShuffleCost) 2. TargetTransformInfo::getOperationCost 3. CostModel::getInstructionCost::getInstructionCost in lib/Analysis/CostModel.cpp Only the first one is used