diff --git a/polly/lib/Support/VirtualInstruction.cpp b/polly/lib/Support/VirtualInstruction.cpp
index 1235a0540c3f..33538c78dab3 100644
--- a/polly/lib/Support/VirtualInstruction.cpp
+++ b/polly/lib/Support/VirtualInstruction.cpp
@@ -170,6 +170,13 @@ static bool isEscaping(Scop *S, Instruction *ComputingInst) {
     BasicBlock *UserBB = getUseBlock(Use);
     if (!S->contains(UserBB))
       return true;
+
+    // When the SCoP region exit needs to be simplified, PHIs in the region exit
+    // move to a new basic block such that its incoming blocks are not in the
+    // scop anymore.
+    if (S->hasSingleExitEdge() && isa<PHINode>(Use.getUser()) &&
+        S->isExit(cast<PHINode>(Use.getUser())->getParent()))
+      return true;
   }
   return false;
 }
diff --git a/polly/test/Simplify/exit_phi_accesses-2.ll b/polly/test/Simplify/exit_phi_accesses-2.ll
new file mode 100644
index 000000000000..fde3d01d9a2a
--- /dev/null
+++ b/polly/test/Simplify/exit_phi_accesses-2.ll
@@ -0,0 +1,37 @@
+; RUN: opt %loadPolly -polly-scops -polly-simplify -analyze < %s | FileCheck %s
+;
+; The use of %sum.next by %phi counts as an escaping use.
+; Don't remove the scalar write of %sum.next.
+;
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+define float @foo(float* %A) {
+entry:
+  br label %header
+
+header:
+  fence seq_cst
+  br i1 true, label %body, label %exit
+
+body:
+  %i = phi i64 [ 0, %header ], [ %next, %body ]
+  %sum = phi float [ 0.0, %header ], [ %sum.next, %body ]
+  %arrayidx = getelementptr float, float* %A, i64 %i
+  %next = add nuw nsw i64 %i, 1
+  %val = load float, float* %arrayidx
+  %sum.next = fadd float %sum, %val
+  %cond = icmp ne i64 %i, 100
+  br i1 %cond, label %body, label %after
+
+after:
+  br label %exit
+
+exit:
+  %phi = phi float [%sum.next, %after], [0.0, %header]
+  ret float %phi
+}
+
+
+; CHECK: Statistics {
+; CHECK:     Dead accesses removed: 0
+; CHECK: }