-; RUN: llc < %s -march=x86 -tailcallopt | grep TAILCALL | count 4
-define fastcc i32 @tailcallee(i32 %a1, i32 %a2, i32 %a3, i32 %a4) {
-entry:
- ret i32 %a3
-}
+; RUN: llc < %s -march=x86 -tailcallopt | grep TAILCALL | count 5
+
+declare fastcc i32 @tailcallee(i32 %a1, i32 %a2, i32 %a3, i32 %a4)
-define fastcc i32 @tailcaller(i32 %in1, i32 %in2) {
+define fastcc i32 @tailcaller(i32 %in1, i32 %in2) nounwind {
entry:
- %tmp11 = tail call fastcc i32 @tailcallee( i32 %in1, i32 %in2, i32 %in1, i32 %in2 ) ; <i32> [#uses=1]
+ %tmp11 = tail call fastcc i32 @tailcallee(i32 %in1, i32 %in2, i32 %in1, i32 %in2)
ret i32 %tmp11
}
%p = tail call fastcc i32 @i32_callee()
ret i32 undef
}
+
+declare fastcc void @does_not_return()
+
+define fastcc i32 @noret() nounwind {
+ tail call fastcc void @does_not_return()
+ unreachable
+}