From 204b0c2ca06d451479a62aeca4822f8e1a942ccf Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Tue, 5 Dec 2006 17:00:17 +0000
Subject: [PATCH] add support for weak linkage

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32222 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM/ARMAsmPrinter.cpp | 2 +-
 test/CodeGen/ARM/weak.ll         | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)
 create mode 100644 test/CodeGen/ARM/weak.ll

diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp
index 51a0f883d2d..ba5cdb19401 100644
--- a/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -128,7 +128,7 @@ bool ARMAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
     break;
   case Function::WeakLinkage:
   case Function::LinkOnceLinkage:
-    assert(0 && "Not implemented");
+    O << "\t.weak\t" << CurrentFnName << "\n";
     break;
   }
   EmitAlignment(2, F);
diff --git a/test/CodeGen/ARM/weak.ll b/test/CodeGen/ARM/weak.ll
new file mode 100644
index 00000000000..682da8c42bb
--- /dev/null
+++ b/test/CodeGen/ARM/weak.ll
@@ -0,0 +1,9 @@
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm &&
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm | grep .weak
+
+implementation   ; Functions:
+
+weak uint %f() {
+entry:
+	unreachable
+}
-- 
2.34.1