From 6891db977b6f6ec9dfd59b807082096b7f48f442 Mon Sep 17 00:00:00 2001
From: Xinliang David Li <davidxl@google.com>
Date: Tue, 17 May 2016 20:19:03 +0000
Subject: [PATCH] Simple refactoring /NFC

llvm-svn: 269829
---
 .../Instrumentation/InstrProfiling.cpp        | 23 ++++++++++++-------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/lib/Transforms/Instrumentation/InstrProfiling.cpp b/lib/Transforms/Instrumentation/InstrProfiling.cpp
index 930001fd684..60f77d47fb4 100644
--- a/lib/Transforms/Instrumentation/InstrProfiling.cpp
+++ b/lib/Transforms/Instrumentation/InstrProfiling.cpp
@@ -367,6 +367,20 @@ InstrProfiling::getOrCreateRegionCounters(InstrProfIncrementInst *Inc) {
   return CounterPtr;
 }
 
+static bool needsRuntimeRegistrationOfSectionRange(const Module &M) {
+  // Don't do this for Darwin.  compiler-rt uses linker magic.
+  if (Triple(M.getTargetTriple()).isOSDarwin())
+    return false;
+
+  // Use linker script magic to get data/cnts/name start/end.
+  if (Triple(M.getTargetTriple()).isOSLinux() ||
+      Triple(M.getTargetTriple()).isOSFreeBSD() ||
+      Triple(M.getTargetTriple()).isPS4CPU())
+    return false;
+
+  return true;
+}
+
 void InstrProfiling::emitNameData() {
   std::string UncompressedData;
 
@@ -391,14 +405,7 @@ void InstrProfiling::emitNameData() {
 }
 
 void InstrProfiling::emitRegistration() {
-  // Don't do this for Darwin.  compiler-rt uses linker magic.
-  if (Triple(M->getTargetTriple()).isOSDarwin())
-    return;
-
-  // Use linker script magic to get data/cnts/name start/end.
-  if (Triple(M->getTargetTriple()).isOSLinux() ||
-      Triple(M->getTargetTriple()).isOSFreeBSD() ||
-      Triple(M->getTargetTriple()).isPS4CPU())
+  if (!needsRuntimeRegistrationOfSectionRange(*M))
     return;
 
   // Construct the function.