[llvm] [RISCV] Exclude LPAD in machine outliner (PR #157220)

Pengcheng Wang via llvm-commits llvm-commits at lists.llvm.org
Sun Sep 7 20:54:30 PDT 2025


================
@@ -3511,6 +3511,10 @@ RISCVInstrInfo::getOutliningTypeImpl(const MachineModuleInfo &MMI,
       return outliner::InstrType::Illegal;
   }
 
+  // LPADs should not be outlined too
+  if (MI.getOpcode() == RISCV::AUIPC && MI.getOperand(0).getReg() == RISCV::X0)
----------------
wangpc-pp wrote:

You may put this into `RISCVInstrPredicates.td`.

https://github.com/llvm/llvm-project/pull/157220


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