recursion.ll
360 Bytes
; RUN: opt < %s -ipconstprop -deadargelim -S | FileCheck %s
; CHECK-NOT: %X
define internal i32 @foo(i32 %X) {
%Y = call i32 @foo( i32 %X ) ; <i32> [#uses=1]
%Z = add i32 %Y, 1 ; <i32> [#uses=1]
ret i32 %Z
}
define void @bar() {
call i32 @foo( i32 17 ) ; <i32>:1 [#uses=0]
ret void
}