Update aosp/master LLVM for rebase to r222494.
Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
diff --git a/test/CodeGen/ARM/tail-call.ll b/test/CodeGen/ARM/tail-call.ll
index 7711586..c3e7965 100644
--- a/test/CodeGen/ARM/tail-call.ll
+++ b/test/CodeGen/ARM/tail-call.ll
@@ -3,6 +3,7 @@
; RUN: | FileCheck %s -check-prefix CHECK-NO-TAIL
declare i32 @callee(i32 %i)
+declare extern_weak fastcc void @callee_weak()
define i32 @caller(i32 %i) {
entry:
@@ -19,3 +20,12 @@
; CHECK-NO-TAIL: pop {lr}
; CHECK-NO-TAIL: bx lr
+
+; Weakly-referenced extern functions cannot be tail-called, as AAELF does
+; not define the behaviour of branch instructions to undefined weak symbols.
+define fastcc void @caller_weak() {
+; CHECK-LABEL: caller_weak:
+; CHECK: bl callee_weak
+ tail call void @callee_weak()
+ ret void
+}