blob: 6af413b49cd998219d078ab88e44d1826decd606 [file] [log] [blame]
; RUN: opt < %s -loop-deletion -S | FileCheck %s
; Checks whether dead loops with multiple exits can be eliminated
; CHECK: entry:
; CHECK-NEXT: br label %return
; CHECK: return:
; CHECK-NEXT: ret void
define void @foo(i64 %n, i64 %m) nounwind {
entry:
br label %bb
bb:
%x.0 = phi i64 [ 0, %entry ], [ %t0, %bb2 ]
%t0 = add i64 %x.0, 1
%t1 = icmp slt i64 %x.0, %n
br i1 %t1, label %bb2, label %return
bb2:
%t2 = icmp slt i64 %x.0, %m
br i1 %t1, label %bb, label %return
return:
ret void
}