From 7b3dcced70be227bb43e71d84d11a2f15fb25072 Mon Sep 17 00:00:00 2001 From: Richard-Qin-X Date: Wed, 26 Aug 2026 17:55:16 +0800 Subject: [RISCV] Implement push-pop optimization --- backend/lib/Target/RISCV/RISCVFrameLowering.cpp | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'backend/lib/Target/RISCV/RISCVFrameLowering.cpp') diff --git a/backend/lib/Target/RISCV/RISCVFrameLowering.cpp b/backend/lib/Target/RISCV/RISCVFrameLowering.cpp index 7ffaccb..8a40bc1 100644 --- a/backend/lib/Target/RISCV/RISCVFrameLowering.cpp +++ b/backend/lib/Target/RISCV/RISCVFrameLowering.cpp @@ -2280,6 +2280,12 @@ public: if (auto Result = Pending->addImplicitDef(Register::fromPhysical(Reg)); !Result) return std::unexpected(Result.error()); } + for (const MachineOperand &Operand : Terminator.operands()) { + if (!Operand.isImplicit()) + continue; + if (auto Result = Pending->addImplicitOperand(Operand.cloneDetached()); !Result) + return std::unexpected(Result.error()); + } if (auto Result = setFrameFlag(*Pending, MachineInstrFlag::FrameDestroy); !Result) return std::unexpected(Result.error()); auto Built = Pending->build(); -- cgit v1.2.3