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2015 Jul 13
2
[LLVMdev] ARM Jump table pcrelative relaxation in clang / llc
Hi, I have kept working on this and found the following (as llvm 3.5): 1) In the function MCObjectStreamer::EmitInstruction there is a check for the instruction being relaxable or not: if (!Assembler.getBackend().mayNeedRelaxation(Inst)) { EmitInstToData(Inst, STI); return; } At this stage, the instruction as been already selected to be ARM::ADR. The call to mayNeed 2015-07-07 18:06