[llvm] [RISCV] Generate MIPS load/store pair instructions (PR #124717)

[Djordje Todorovic via llvm-commits]

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@@ -562,6 +570,11 @@ void RISCVPassConfig::addPreEmitPass() {
     addPass(createMachineCopyPropagationPass(true));
   addPass(&BranchRelaxationPassID);
   addPass(createRISCVMakeCompressibleOptPass());
+
+  // LoadStoreOptimizer creates bundles for load-store bonding.
+  addPass(createUnpackMachineBundles([](const MachineFunction &MF) {
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djtodoro wrote:

We do not generate bundles anymore, so this is not needed.

https://github.com/llvm/llvm-project/pull/124717