From 0bbf4bb8db29bd97ae54fe741baebc3062be60d9 Mon Sep 17 00:00:00 2001
From: Matt Arsenault <Matthew.Arsenault@amd.com>
Date: Sun, 9 Aug 2020 17:28:15 -0400
Subject: [PATCH] GlobalISel: Remove redundant check for empty blocks

---
 llvm/lib/CodeGen/GlobalISel/Combiner.cpp | 2 --
 1 file changed, 2 deletions(-)

diff --git a/llvm/lib/CodeGen/GlobalISel/Combiner.cpp b/llvm/lib/CodeGen/GlobalISel/Combiner.cpp
index b4562a5c6601..48f4c5b0f371 100644
--- a/llvm/lib/CodeGen/GlobalISel/Combiner.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/Combiner.cpp
@@ -130,8 +130,6 @@ bool Combiner::combineMachineInstrs(MachineFunction &MF,
       WrapperObserver.addObserver(CSEInfo);
     RAIIDelegateInstaller DelInstall(MF, &WrapperObserver);
     for (MachineBasicBlock *MBB : post_order(&MF)) {
-      if (MBB->empty())
-        continue;
       for (auto MII = MBB->rbegin(), MIE = MBB->rend(); MII != MIE;) {
         MachineInstr *CurMI = &*MII;
         ++MII;