From abce7acebd4c06c977bc4bd79170697f1122bc5e Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@sifive.com>
Date: Sun, 21 Aug 2022 13:14:31 -0700
Subject: [PATCH] [RISCV] Remove impossible TODO in
 RISCVRedundantCopyElimination. NFC

If there are multiple conditional branches we shouldn't do any
optimization.
---
 llvm/lib/Target/RISCV/RISCVRedundantCopyElimination.cpp | 1 -
 1 file changed, 1 deletion(-)

diff --git a/llvm/lib/Target/RISCV/RISCVRedundantCopyElimination.cpp b/llvm/lib/Target/RISCV/RISCVRedundantCopyElimination.cpp
index 3c4a60b..eaaa510 100644
--- a/llvm/lib/Target/RISCV/RISCVRedundantCopyElimination.cpp
+++ b/llvm/lib/Target/RISCV/RISCVRedundantCopyElimination.cpp
@@ -101,7 +101,6 @@ bool RISCVRedundantCopyElimination::optimizeBlock(MachineBasicBlock &MBB) {
     if (!CondBr->isTerminator())
       return false;
     // If we found a branch with X0, stop searching and try to remove copies.
-    // TODO: Handle multiple branches with different registers.
     if (guaranteesZeroRegInBlock(*CondBr, MBB))
       break;
     // If we reached the beginning of the basic block, give up.
-- 
2.7.4