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; This test shows SCCP "proving" that the loop (from bb6 to 14) loops infinitely
; this is in fact NOT the case, so the return should still be alive in the code
; after sccp and CFG simplification have been performed.
;
; RUN: llvm-upgrade < %s | llvm-as | opt -sccp -simplifycfg | llvm-dis | \
; RUN: grep ret
void "old_main"() {
bb3: ;[#uses=1]
br label %bb6
bb6: ;[#uses=3]
%reg403 = phi int [ %reg155, %bb14 ], [ 0, %bb3 ] ; <int> [#uses=2]
%reg155 = add int %reg403, 1 ; <int> [#uses=3]
br label %bb11
bb11:
%reg407 = phi int [ %reg408, %bb11 ], [ 0, %bb6 ] ; <int> [#uses=2]
%reg408 = add int %reg407, 1 ; <int> [#uses=2]
%cond550 = setle int %reg407, 1 ; <bool> [#uses=1]
br bool %cond550, label %bb11, label %bb12
bb12: ;[#uses=2]
br label %bb13
bb13: ;[#uses=3]
%reg409 = phi int [ %reg410, %bb13 ], [ 0, %bb12 ] ; <int> [#uses=1]
%reg410 = add int %reg409, 1 ; <int> [#uses=2]
%cond552 = setle int %reg410, 2 ; <bool> [#uses=1]
br bool %cond552, label %bb13, label %bb14
bb14: ;[#uses=2]
%cond553 = setle int %reg155, 31 ; <bool> [#uses=1]
br bool %cond553, label %bb6, label %bb15
bb15: ;[#uses=1]
ret void
}
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