From 7d46392124f895bc024afa8d9afb7ed061d87b47 Mon Sep 17 00:00:00 2001
From: Yaron Keren <yaron.keren@gmail.com>
Date: Mon, 12 Jun 2017 02:18:50 +0000
Subject: [PATCH] Address http://bugs.llvm.org/pr32207 by making BannerPrinted
 local to runOnSCC and skipping banner for function declarations.

Reviewed By: Mehdi AMINI

Differential Revision: https://reviews.llvm.org/D34086

llvm-svn: 305179
---
 llvm/lib/Analysis/CallGraphSCCPass.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/llvm/lib/Analysis/CallGraphSCCPass.cpp b/llvm/lib/Analysis/CallGraphSCCPass.cpp
index 5896e6e0902f..facda246936d 100644
--- a/llvm/lib/Analysis/CallGraphSCCPass.cpp
+++ b/llvm/lib/Analysis/CallGraphSCCPass.cpp
@@ -608,18 +608,18 @@ namespace {
     }
 
     bool runOnSCC(CallGraphSCC &SCC) override {
+      bool BannerPrinted = false;
       auto PrintBannerOnce = [&] () {
-        static bool BannerPrinted = false;
         if (BannerPrinted)
           return;
         Out << Banner;
         BannerPrinted = true;
         };
       for (CallGraphNode *CGN : SCC) {
-        if (CGN->getFunction()) {
-          if (isFunctionInPrintList(CGN->getFunction()->getName())) {
+        if (Function *F = CGN->getFunction()) {
+          if (!F->isDeclaration() && isFunctionInPrintList(F->getName())) {
             PrintBannerOnce();
-            CGN->getFunction()->print(Out);
+            F->print(Out);
           }
         } else if (llvm::isFunctionInPrintList("*")) {
           PrintBannerOnce();