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2012 Jan 24
0
[LLVMdev] Resolving branch instr with label "$BB0_-1"
>> br2uncond->eraseFromParent(). This results in br1cond loosing it's >> label/offset. How could I resolve this? > Your code is broken. AnalyzeBranch should not modify anything. > > I was taking a clue from Mips/MipsInstrInfo.cpp: AnalyzeBranch :( > Could you please suggest appropriate alternative place for such a > modification? Ah sorry, my memory served me
2012 Jan 24
2
[LLVMdev] Resolving branch instr with label "$BB0_-1"
Hello Anton. Thanks for the comment. > Precisely this is the situation! There're two consecutive branches (br1cond >> and br2uncond). Inside of AnalyzeBranch, there's an opcode swap of br2uncond >> (ex. j_foward to j_backward). There I do BuildMI (newOpcode) and followed by >> br2uncond->eraseFromParent(). This results in br1cond loosing it's >>