Re-apply r278065 (Weak symbol support in RuntimeDyld) with a fix for ELF.
llvm-svn: 278149
diff --git a/llvm/test/ExecutionEngine/MCJIT/weak-function.ll b/llvm/test/ExecutionEngine/MCJIT/weak-function.ll
new file mode 100644
index 0000000..562d6ad
--- /dev/null
+++ b/llvm/test/ExecutionEngine/MCJIT/weak-function.ll
@@ -0,0 +1,26 @@
+; RUN: lli -jit-kind=mcjit -extra-module %p/Inputs/weak-function-2.ll %s
+;
+; Check that functions in two different modules agree on the address of weak
+; function 'baz'
+
+define linkonce_odr i32 @baz() {
+entry:
+ ret i32 0
+}
+
+define i8* @foo() {
+entry:
+ ret i8* bitcast (i32 ()* @baz to i8*)
+}
+
+declare i8* @bar()
+
+define i32 @main(i32 %argc, i8** %argv) {
+entry:
+ %call = tail call i8* @foo()
+ %call1 = tail call i8* @bar()
+ %cmp = icmp ne i8* %call, %call1
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+