From: Evan Cheng <evan.cheng@apple.com>
Date: Tue, 22 Feb 2011 06:58:34 +0000 (+0000)
Subject: available_externally (hidden or not) GVs are always accessed via stubs. rdar://9027648.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=af05c69ba024b1838ae6f1071d6fd0f9fe33999f;hp=fcfcdbc86a56ea97cdb87fe662311df778e85fbb;p=oota-llvm.git

available_externally (hidden or not) GVs are always accessed via stubs. rdar://9027648.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126191 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/ARMSubtarget.cpp b/lib/Target/ARM/ARMSubtarget.cpp
index 0bd740cfb28..1465984899c 100644
--- a/lib/Target/ARM/ARMSubtarget.cpp
+++ b/lib/Target/ARM/ARMSubtarget.cpp
@@ -171,7 +171,9 @@ ARMSubtarget::GVIsIndirectSymbol(const GlobalValue *GV,
 
   // Materializable GVs (in JIT lazy compilation mode) do not require an extra
   // load from stub.
-  bool isDecl = GV->isDeclaration() && !GV->isMaterializable();
+  bool isDecl = GV->hasAvailableExternallyLinkage();
+  if (GV->isDeclaration() && !GV->isMaterializable())
+    isDecl = true;
 
   if (!isTargetDarwin()) {
     // Extra load is needed for all externally visible.
diff --git a/test/CodeGen/ARM/available_externally.ll b/test/CodeGen/ARM/available_externally.ll
new file mode 100644
index 00000000000..0f646d582e7
--- /dev/null
+++ b/test/CodeGen/ARM/available_externally.ll
@@ -0,0 +1,16 @@
+; RUN: llc < %s -mtriple=arm-apple-darwin -relocation-model=pic | FileCheck %s
+; rdar://9027648
+
+@A = available_externally hidden constant i32 1
+@B = external hidden constant i32
+
+define i32 @t1() {
+  %tmp = load i32* @A
+  store i32 %tmp, i32* @B
+  ret i32 %tmp
+}
+
+; CHECK:      L_A$non_lazy_ptr:
+; CHECK-NEXT: .long _A
+; CHECK:      L_B$non_lazy_ptr:
+; CHECK-NEXT: .long _B