From 804b453f80b987927c1edca750b4f30f619bac00 Mon Sep 17 00:00:00 2001
From: Eric Christopher <echristo@gmail.com>
Date: Fri, 20 Feb 2015 18:44:17 +0000
Subject: [PATCH] Get the function specific subtarget.

llvm-svn: 230038
---
 lib/CodeGen/Analysis.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/CodeGen/Analysis.cpp b/lib/CodeGen/Analysis.cpp
index 2e8af9eb004..e50b846ddd8 100644
--- a/lib/CodeGen/Analysis.cpp
+++ b/lib/CodeGen/Analysis.cpp
@@ -518,8 +518,9 @@ bool llvm::isInTailCallPosition(ImmutableCallSite CS, const TargetMachine &TM) {
         return false;
     }
 
+  const Function *F = ExitBB->getParent();
   return returnTypeIsEligibleForTailCall(
-      ExitBB->getParent(), I, Ret, *TM.getSubtargetImpl()->getTargetLowering());
+      F, I, Ret, *TM.getSubtargetImpl(*F)->getTargetLowering());
 }
 
 bool llvm::returnTypeIsEligibleForTailCall(const Function *F,