2016-08-04 04:53:23 +08:00
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; RUN: opt < %s -indvars -loop-deletion -simplifycfg | opt -analyze -loops | FileCheck %s
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2007-03-04 08:54:06 +08:00
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; PR1179
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2016-08-04 04:53:23 +08:00
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; CHECK-NOT: Loop Containing
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2007-03-04 08:54:06 +08:00
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define i32 @ltst(i32 %x) {
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entry:
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icmp sgt i32 %x, 0 ; <i1>:0 [#uses=1]
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br i1 %0, label %bb.preheader, label %bb8
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bb.preheader: ; preds = %entry
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br label %bb
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bb: ; preds = %bb, %bb.preheader
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%i.01.0 = phi i32 [ %tmp4, %bb ], [ 0, %bb.preheader ] ; <i32> [#uses=1]
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%j.03.0 = phi i32 [ %tmp2, %bb ], [ 0, %bb.preheader ] ; <i32> [#uses=1]
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%tmp4 = add i32 %i.01.0, 1 ; <i32> [#uses=2]
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%tmp2 = add i32 %j.03.0, 1 ; <i32> [#uses=2]
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icmp slt i32 %tmp4, %x ; <i1>:1 [#uses=1]
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br i1 %1, label %bb, label %bb8.loopexit
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bb8.loopexit: ; preds = %bb
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br label %bb8
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bb8: ; preds = %bb8.loopexit, %entry
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%j.03.1 = phi i32 [ 0, %entry ], [ %tmp2, %bb8.loopexit ] ; <i32> [#uses=1]
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ret i32 %j.03.1
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}
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