From: Matt Arsenault <Matthew.Arsenault@amd.com>
Date: Sun, 9 Aug 2020 21:28:15 +0000 (-0400)
Subject: GlobalISel: Remove redundant check for empty blocks
X-Git-Tag: llvmorg-13-init~15215
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0bbf4bb8db29bd97ae54fe741baebc3062be60d9;p=platform%2Fupstream%2Fllvm.git

GlobalISel: Remove redundant check for empty blocks
---

diff --git a/llvm/lib/CodeGen/GlobalISel/Combiner.cpp b/llvm/lib/CodeGen/GlobalISel/Combiner.cpp
index b4562a5..48f4c5b 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;