1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/RISCV/RISCVTargetMachine.cpp b/llvm/lib/Target/RISCV/RISCVTargetMachine.cpp
index 29f6bead42f..a2ebf5bf3e6 100644
--- a/llvm/lib/Target/RISCV/RISCVTargetMachine.cpp
+++ b/llvm/lib/Target/RISCV/RISCVTargetMachine.cpp
@@ -78,6 +78,7 @@ public:
   void addIRPasses() override;
   bool addInstSelector() override;
   void addPreEmitPass() override;
+  void addPreRegAlloc() override;
 };
 }
 
@@ -97,3 +98,7 @@ bool RISCVPassConfig::addInstSelector() {
 }
 
 void RISCVPassConfig::addPreEmitPass() { addPass(&BranchRelaxationPassID); }
+
+void RISCVPassConfig::addPreRegAlloc() {
+  addPass(createRISCVMergeBaseOffsetOptPass());
+}