2009-09-11 18:01:28 +00:00
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; RUN: opt < %s -loop-unswitch -instcombine -disable-output
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2007-07-31 08:04:17 +00:00
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@str3 = external constant [3 x i8] ; <[3 x i8]*> [#uses=1]
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define i32 @stringSearch_Clib(i32 %count) {
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entry:
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%ttmp25 = icmp sgt i32 %count, 0 ; <i1> [#uses=1]
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br i1 %ttmp25, label %bb36.preheader, label %bb44
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bb36.preheader: ; preds = %entry
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%ttmp33 = icmp slt i32 0, 250 ; <i1> [#uses=1]
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br label %bb36.outer
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bb36.outer: ; preds = %bb41, %bb36.preheader
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br i1 %ttmp33, label %bb.nph, label %bb41
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bb.nph: ; preds = %bb36.outer
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%ttmp8 = icmp eq i8* null, null ; <i1> [#uses=1]
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%ttmp6 = icmp eq i8* null, null ; <i1> [#uses=1]
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%tmp31 = call i32 @strcspn( i8* null, i8* getelementptr ([3 x i8]* @str3, i64 0, i64 0) ) ; <i32> [#uses=1]
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br i1 %ttmp8, label %cond_next, label %cond_true
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cond_true: ; preds = %bb.nph
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ret i32 0
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cond_next: ; preds = %bb.nph
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br i1 %ttmp6, label %cond_next28, label %cond_true20
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cond_true20: ; preds = %cond_next
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ret i32 0
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cond_next28: ; preds = %cond_next
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%tmp33 = add i32 %tmp31, 0 ; <i32> [#uses=1]
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br label %bb41
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bb41: ; preds = %cond_next28, %bb36.outer
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%c.2.lcssa = phi i32 [ 0, %bb36.outer ], [ %tmp33, %cond_next28 ] ; <i32> [#uses=1]
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br i1 false, label %bb36.outer, label %bb44
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bb44: ; preds = %bb41, %entry
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%c.01.1 = phi i32 [ 0, %entry ], [ %c.2.lcssa, %bb41 ] ; <i32> [#uses=1]
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ret i32 %c.01.1
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}
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declare i32 @strcspn(i8*, i8*)
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