From 928a95d0b0ad71de454014c9eca348e82929eb13 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Wed, 22 Jun 2016 22:09:17 +0000
Subject: [PATCH] Use shouldAssumeDSOLocal.

With this it handle -fPIE.

llvm-svn: 273499
---
 llvm/lib/Target/PowerPC/PPCISelLowering.cpp | 10 +++++-----
 llvm/test/CodeGen/PowerPC/pie.ll            | 16 ++++++++++++++++
 2 files changed, 21 insertions(+), 5 deletions(-)
 create mode 100644 llvm/test/CodeGen/PowerPC/pie.ll

diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
index 68d1a679e835..1df07071f8ef 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -23,6 +23,7 @@
 #include "llvm/ADT/Statistic.h"
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/ADT/Triple.h"
+#include "llvm/CodeGen/Analysis.h"
 #include "llvm/CodeGen/CallingConvLower.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineFunction.h"
@@ -4287,11 +4288,10 @@ PrepareCall(SelectionDAG &DAG, SDValue &Callee, SDValue &InFlag, SDValue &Chain,
     Reloc::Model RM = DAG.getTarget().getRelocationModel();
     const Triple &TargetTriple = Subtarget.getTargetTriple();
     const GlobalValue *GV = G->getGlobal();
-    if ((RM != Reloc::Static &&
-         (TargetTriple.isMacOSX() && TargetTriple.isMacOSXVersionLT(10, 5)) &&
-         !GV->isStrongDefinitionForLinker()) ||
-        (Subtarget.isTargetELF() && !isPPC64 && !GV->hasLocalLinkage() &&
-         RM == Reloc::PIC_)) {
+    bool OldMachOLinker =
+        TargetTriple.isMacOSX() && TargetTriple.isMacOSXVersionLT(10, 5);
+    if (!shouldAssumeDSOLocal(RM, TargetTriple, *GV->getParent(), GV) &&
+        (OldMachOLinker || (Subtarget.isTargetELF() && !isPPC64))) {
       // PC-relative references to external symbols should go through $stub,
       // unless we're building with the leopard linker or later, which
       // automatically synthesizes these stubs.
diff --git a/llvm/test/CodeGen/PowerPC/pie.ll b/llvm/test/CodeGen/PowerPC/pie.ll
new file mode 100644
index 000000000000..56e07caf2812
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/pie.ll
@@ -0,0 +1,16 @@
+; RUN: llc < %s -mtriple=powerpc-pc-linux -relocation-model=pic | FileCheck %s
+
+
+define void @f() {
+  ret void
+}
+
+define void @g() {
+; CHECK: g:
+; CHECK: bl f{{$}}
+  call void @f()
+  ret void
+}
+
+!llvm.module.flags = !{!0}
+!0 = !{i32 1, !"PIE Level", i32 1}