[x86] Remove unused declaration processWaitCnt (NFC)
The declaration was introduced without a corresponding definition on
Jan 2, 2022 in commit 85e6e748d426f8992016914b07bc67c4da22e278.
GitOrigin-RevId: 54199d805a5431df292d412dbbae9286b3690ad3
diff --git a/lib/Target/X86/MCA/X86CustomBehaviour.h b/lib/Target/X86/MCA/X86CustomBehaviour.h
index 61e1b6b..ed2d540 100644
--- a/lib/Target/X86/MCA/X86CustomBehaviour.h
+++ b/lib/Target/X86/MCA/X86CustomBehaviour.h
@@ -25,8 +25,6 @@
namespace mca {
class X86InstrPostProcess : public InstrPostProcess {
- void processWaitCnt(std::unique_ptr<Instruction> &Inst, const MCInst &MCI);
-
/// Called within X86InstrPostProcess to specify certain instructions
/// as load and store barriers.
void setMemBarriers(std::unique_ptr<Instruction> &Inst, const MCInst &MCI);