2009-09-12 02:01:28 +08:00
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; RUN: opt < %s -loop-reduce -disable-output
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2005-09-13 01:08:15 +08:00
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2008-03-19 15:28:33 +08:00
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define void @main() {
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2005-09-13 01:08:15 +08:00
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entry:
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br label %loopentry.0
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loopentry.0: ; preds = %then.5, %entry
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2008-03-19 15:28:33 +08:00
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%arg_index.1.ph = phi i32 [ 1, %entry ], [ %arg_index.1.ph.be, %then.5 ] ; <i32> [#uses=1]
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br i1 false, label %no_exit.0, label %loopexit.0
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2005-09-13 01:08:15 +08:00
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no_exit.0: ; preds = %loopentry.0
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2008-03-19 15:28:33 +08:00
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%arg_index.1.1 = add i32 0, %arg_index.1.ph ; <i32> [#uses=2]
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br i1 false, label %then.i55, label %endif.i61
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2005-09-13 01:08:15 +08:00
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then.i55: ; preds = %no_exit.0
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2008-03-19 15:28:33 +08:00
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br i1 false, label %then.4, label %else.1
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2005-09-13 01:08:15 +08:00
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endif.i61: ; preds = %no_exit.0
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ret void
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then.4: ; preds = %then.i55
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2008-03-19 15:28:33 +08:00
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%tmp.19993 = add i32 %arg_index.1.1, 2 ; <i32> [#uses=0]
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2005-09-13 01:08:15 +08:00
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ret void
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else.1: ; preds = %then.i55
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2008-03-19 15:28:33 +08:00
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br i1 false, label %then.i86, label %loopexit.i97
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2005-09-13 01:08:15 +08:00
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then.i86: ; preds = %else.1
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ret void
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loopexit.i97: ; preds = %else.1
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2008-03-19 15:28:33 +08:00
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br i1 false, label %then.5, label %else.2
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2005-09-13 01:08:15 +08:00
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then.5: ; preds = %loopexit.i97
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2008-03-19 15:28:33 +08:00
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%arg_index.1.ph.be = add i32 %arg_index.1.1, 2 ; <i32> [#uses=1]
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2005-09-13 01:08:15 +08:00
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br label %loopentry.0
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else.2: ; preds = %loopexit.i97
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ret void
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loopexit.0: ; preds = %loopentry.0
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ret void
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}
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