[llvm] [llvm][RISCV] Implement Zilsd load/store pair optimization (PR #158640)

[Djordje Todorovic via llvm-commits]

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@@ -47,6 +47,21 @@ let Predicates = [HasStdExtZilsd, IsRV32] in {
 def PseudoLD_RV32 : PseudoLoad<"ld", GPRPairRV32>;
 def PseudoSD_RV32 : PseudoStore<"sd", GPRPairRV32>;
 
+// Pseudo instructions for load/store optimization with 2 separate registers
+def PseudoLD_RV32_OPT : Pseudo<(outs GPR:$rd1, GPR:$rd2), (ins GPR:$rs1, simm12:$imm12), [], "", ""> {
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djtodoro wrote:

The line is too long

https://github.com/llvm/llvm-project/pull/158640