From a399d1880bc6e2a13cad02a2a3cb024c27d32ac2 Mon Sep 17 00:00:00 2001
From: Sam Parker <sam.parker@arm.com>
Date: Tue, 22 Sep 2020 10:43:18 +0100
Subject: [ARM] Find VPT implicitly predicated by VCTP

On failing to find a VCTP in the list of instructions that explicitly
predicate the entry of a VPT block, inspect whether the block is
controlled via VPT which is implicitly predicated due to it's
predicated operand(s).

Differential Revision: https://reviews.llvm.org/D87819
---
 llvm/lib/CodeGen/ReachingDefAnalysis.cpp | 1 -
 1 file changed, 1 deletion(-)

(limited to 'llvm/lib/CodeGen/ReachingDefAnalysis.cpp')

diff --git a/llvm/lib/CodeGen/ReachingDefAnalysis.cpp b/llvm/lib/CodeGen/ReachingDefAnalysis.cpp
index 86c2f63fd3aa..f553bad31b94 100644
--- a/llvm/lib/CodeGen/ReachingDefAnalysis.cpp
+++ b/llvm/lib/CodeGen/ReachingDefAnalysis.cpp
@@ -433,7 +433,6 @@ MachineInstr *ReachingDefAnalysis::getUniqueReachingMIDef(MachineInstr *MI,
   if (LocalDef && InstIds.lookup(LocalDef) < InstIds.lookup(MI))
     return LocalDef;
 
-  SmallPtrSet<MachineBasicBlock*, 4> VisitedBBs;
   SmallPtrSet<MachineInstr*, 2> Incoming;
   MachineBasicBlock *Parent = MI->getParent();
   for (auto *Pred : Parent->predecessors())
-- 
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