llvm-extract changes linkages so that functions on both sides of the
split module can see each other. If it is keeping a symbol that already has
a non local linkage, it doesn't need to change it.
llvm-svn: 166908
diff --git a/llvm/test/Other/extract-weak-odr.ll b/llvm/test/Other/extract-weak-odr.ll
new file mode 100644
index 0000000..6618f58
--- /dev/null
+++ b/llvm/test/Other/extract-weak-odr.ll
@@ -0,0 +1,23 @@
+; RUN: llvm-extract -func foo -S < %s | FileCheck %s
+; RUN: llvm-extract -delete -func foo -S < %s | FileCheck --check-prefix=DELETE %s
+
+; Test that we don't convert weak_odr to external definitions.
+
+; CHECK: @bar = external global i32
+; CHECK: define weak_odr i32* @foo() {
+; CHECK-NEXT: ret i32* @bar
+; CHECK-NEXT: }
+
+; DELETE: @bar = weak_odr global i32 42
+; DELETE: declare i32* @foo()
+
+@bar = weak_odr global i32 42
+
+define weak_odr i32* @foo() {
+ ret i32* @bar
+}
+
+define void @g() {
+ %c = call i32* @foo()
+ ret void
+}