From 8308d47ddf720371bee36789b855c1d33a5f4080 Mon Sep 17 00:00:00 2001
From: Jesse Huang <jesse.huang@sifive.com>
Date: Sun, 15 Sep 2024 23:15:14 +0800
Subject: [PATCH] [RISCV][MC] Set Ra for PseudoCALL in if-else clause

---
 llvm/lib/Target/RISCV/MCTargetDesc/RISCVMCCodeEmitter.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/Target/RISCV/MCTargetDesc/RISCVMCCodeEmitter.cpp b/llvm/lib/Target/RISCV/MCTargetDesc/RISCVMCCodeEmitter.cpp
index 75323632dd5333..12ee6705fc4366 100644
--- a/llvm/lib/Target/RISCV/MCTargetDesc/RISCVMCCodeEmitter.cpp
+++ b/llvm/lib/Target/RISCV/MCTargetDesc/RISCVMCCodeEmitter.cpp
@@ -125,11 +125,12 @@ void RISCVMCCodeEmitter::expandFunctionCall(const MCInst &MI,
   MCRegister Ra;
   if (MI.getOpcode() == RISCV::PseudoTAIL) {
     Func = MI.getOperand(0);
-    Ra = RISCV::X6;
     // For Zicfilp, PseudoTAIL should be expanded to a software guarded branch.
     // It means to use t2(x7) as rs1 of JALR to expand PseudoTAIL.
     if (STI.hasFeature(RISCV::FeatureStdExtZicfilp))
       Ra = RISCV::X7;
+    else
+      Ra = RISCV::X6;
   } else if (MI.getOpcode() == RISCV::PseudoCALLReg) {
     Func = MI.getOperand(1);
     Ra = MI.getOperand(0).getReg();