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; RUN: llc < %s -march=x86 -tailcallopt | grep TAILCALL | count 5
; With -tailcallopt, CodeGen guarantees a tail call optimization
; for all of these.
declare fastcc i32 @tailcallee(i32 %a1, i32 %a2, i32 %a3, i32 %a4)
define fastcc i32 @tailcaller(i32 %in1, i32 %in2) nounwind {
entry:
%tmp11 = tail call fastcc i32 @tailcallee(i32 %in1, i32 %in2, i32 %in1, i32 %in2)
ret i32 %tmp11
}
declare fastcc i8* @alias_callee()
define fastcc noalias i8* @noalias_caller() nounwind {
%p = tail call fastcc i8* @alias_callee()
ret i8* %p
}
declare fastcc noalias i8* @noalias_callee()
define fastcc i8* @alias_caller() nounwind {
%p = tail call fastcc noalias i8* @noalias_callee()
ret i8* %p
}
declare fastcc i32 @i32_callee()
define fastcc i32 @ret_undef() nounwind {
%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
}
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