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[X86AsmBackend] Define reset() hook (#213409)

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Noticed when reviewing #175830: MCObjectStreamer::reset frees the
fragments PendingBA and PrevInstPosition point into, but X86AsmBackend
keeps them. Define the hook.
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Fangrui Song 2026-07-31 22:35:03 -07:00 committed by GitHub
parent 9a15298e96
commit d9e699957d
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7
llvm/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp
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@ -163,6 +163,13 @@ public:
AllowAutoPadding && TargetPrefixMax != 0 && X86PadForBranchAlign;
}
void reset() override {
PrevInst = MCInst();
PrevInstOpcode = 0;
PendingBA = nullptr;
PrevInstPosition = {};
}
void emitInstructionBegin(MCObjectStreamer &OS, const MCInst &Inst,
const MCSubtargetInfo &STI);
void emitInstructionEnd(MCObjectStreamer &OS, const MCInst &Inst);