From 7b3dcced70be227bb43e71d84d11a2f15fb25072 Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Wed, 26 Aug 2026 17:55:16 +0800
Subject: [RISCV] Implement push-pop optimization

---
 backend/lib/Target/RISCV/RISCVPipeline.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(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 331d81f..84fe012 100644
--- a/backend/lib/Target/RISCV/RISCVPipeline.cpp
+++ b/backend/lib/Target/RISCV/RISCVPipeline.cpp
@@ -121,7 +121,8 @@ template <typename PassT, typename... ArgumentT>
       optimizationPipelineInfo(Subtarget, Options.DebugMachineScheduler,
                                Options.DebugPrologueEpilogue),
       MachineOptimizationPipelineOptions{.UseTargetCopyInstructions =
-                                             Options.UseTargetCopyInstructions});
+                                             Options.UseTargetCopyInstructions},
+      createPushPopOptimizationPass(Subtarget));
   if (!Added)
     return std::unexpected(Added.error());
   Added = Pipeline.addPass(createMakeCompressiblePass(Subtarget));
@@ -194,7 +195,8 @@ Expected<void> addCanonicalPipeline(MachineFunctionPassManager &Pipeline,
         optimizationPipelineInfo(Subtarget, Options.DebugMachineScheduler,
                                  Options.DebugPrologueEpilogue),
         MachineOptimizationPipelineOptions{.UseTargetCopyInstructions =
-                                               Options.UseTargetCopyInstructions});
+                                               Options.UseTargetCopyInstructions},
+        createPushPopOptimizationPass(Subtarget));
     if (!Added)
       return std::unexpected(Added.error());
   }
-- 
cgit v1.2.3