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; RUN: opt < %s -loop-deletion -S | FileCheck %s
; Checking that possible users of instruction from the loop in
; unreachable blocks are handled.
define i64 @foo() {
entry:
br label %invloop
; CHECK-LABEL-NOT: invloop
invloop:
%indvar1 = phi i64 [ 3, %entry ], [ %indvar2, %invloop_iter ]
%check = icmp ult i64 %indvar1, 400
br i1 %check, label %invloop_iter, label %loopexit
invloop_iter:
%indvar2 = add i64 %indvar1, 1
%baddef = add i64 0, 0
br label %invloop
loopexit:
ret i64 0
deadcode:
; CHECK-LABEL: deadcode
; CHECK: ret i64 undef
ret i64 %baddef
}
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