[llvm] [RISCV][GlobalISel] Legalize and select G_PREFETCH (PR #215466)

[Kane Wang via llvm-commits]

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@@ -1694,6 +1803,129 @@ bool RISCVInstructionSelector::materializeImm(Register DstReg, int64_t Imm,
   return true;
 }
 
+bool RISCVInstructionSelector::materializeInstSeq(
+    Register DstReg, const RISCVMatInt::InstSeq &Seq, MachineInstr &MI) const {
+  assert(!Seq.empty() && "materializeInstSeq requires a non-empty sequence");
+
+  MachineBasicBlock &MBB = *MI.getParent();
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ReVe1uv wrote:

Done.

https://github.com/llvm/llvm-project/pull/215466