From 307fc0961972ac5264d6f3459978fbec95cad3a9 Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Wed, 19 Aug 2026 04:27:41 +0800
Subject: [RISCV][GlobalISel] Select and expand global addresses

---
 backend/lib/Target/RISCV/RISCVPipeline.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'backend/lib/Target/RISCV/RISCVPipeline.cpp')

diff --git a/backend/lib/Target/RISCV/RISCVPipeline.cpp b/backend/lib/Target/RISCV/RISCVPipeline.cpp
index f1de092..00a4398 100644
--- a/backend/lib/Target/RISCV/RISCVPipeline.cpp
+++ b/backend/lib/Target/RISCV/RISCVPipeline.cpp
@@ -12,6 +12,7 @@
 #include "rcc/CodeGen/MachineCombiner.h"
 #include "rcc/CodeGen/MachineFunction.h"
 #include "rcc/CodeGen/MachineOptimizationPipeline.h"
+#include "rcc/CodeGen/MachinePseudoExpansion.h"
 #include "rcc/CodeGen/PHIElimination.h"
 #include "rcc/CodeGen/RegAllocPBQP.h"
 #include "rcc/CodeGen/TargetDescription.h"
@@ -65,7 +66,10 @@ template <typename PassT, typename... ArgumentT>
 }
 
 [[nodiscard]] Expected<void> addRegisterAllocationPipeline(MachineFunctionPassManager &Pipeline) {
-  auto Added = addPreRegisterAllocationOptimizationPipeline(Pipeline, optimizationPipelineInfo());
+  auto Added = addPass<PreRATargetPseudoExpansionPass>(Pipeline, pseudoExpansionInfo());
+  if (!Added)
+    return std::unexpected(Added.error());
+  Added = addPreRegisterAllocationOptimizationPipeline(Pipeline, optimizationPipelineInfo());
   if (!Added)
     return std::unexpected(Added.error());
   return addPass<PBQPAllocatorPass>(Pipeline, registerAllocationInfo());
-- 
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