| Dan Gohman | 3c7d308 | 2009-09-11 18:01:28 +0000 | [diff] [blame^] | 1 | ; RUN: opt < %s -indvars |
| Dan Gohman | 1737030 | 2009-06-03 19:11:31 +0000 | [diff] [blame] | 2 | ; PR4315 |
| 3 | |
| 4 | target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" |
| 5 | target triple = "x86_64-undermydesk-freebsd8.0" |
| 6 | %struct.mbuf = type <{ %struct.mbuf*, i8*, i32, i8, i8, i8, i8 }> |
| 7 | |
| 8 | define i32 @crash(%struct.mbuf* %m) nounwind { |
| 9 | entry: |
| 10 | br label %for.cond |
| 11 | |
| 12 | for.cond: ; preds = %if.end, %entry |
| 13 | %i.0 = phi i32 [ 0, %entry ], [ %inc, %if.end ] ; <i32> [#uses=3] |
| 14 | %chksum.0 = phi i8 [ 0, %entry ], [ %conv3, %if.end ] ; <i8> [#uses=3] |
| 15 | %cmp = icmp slt i32 %i.0, 1 ; <i1> [#uses=1] |
| 16 | br i1 %cmp, label %for.body, label %do.body |
| 17 | |
| 18 | for.body: ; preds = %for.cond |
| 19 | br i1 undef, label %if.end, label %do.body |
| 20 | |
| 21 | if.end: ; preds = %for.body |
| 22 | %i.02 = trunc i32 %i.0 to i8 ; <i8> [#uses=1] |
| 23 | %conv3 = add i8 %chksum.0, %i.02 ; <i8> [#uses=1] |
| 24 | %inc = add i32 %i.0, 1 ; <i32> [#uses=1] |
| 25 | br label %for.cond |
| 26 | |
| 27 | do.body: ; preds = %do.cond, %for.body, %for.cond |
| 28 | %chksum.2 = phi i8 [ undef, %do.cond ], [ %chksum.0, %for.body ], [ %chksum.0, %for.cond ] ; <i8> [#uses=1] |
| 29 | br i1 undef, label %do.cond, label %bb.nph |
| 30 | |
| 31 | bb.nph: ; preds = %do.body |
| 32 | br label %while.body |
| 33 | |
| 34 | while.body: ; preds = %while.body, %bb.nph |
| 35 | %chksum.13 = phi i8 [ undef, %while.body ], [ %chksum.2, %bb.nph ] ; <i8> [#uses=0] |
| 36 | br i1 undef, label %do.cond, label %while.body |
| 37 | |
| 38 | do.cond: ; preds = %while.body, %do.body |
| 39 | br i1 false, label %do.end, label %do.body |
| 40 | |
| 41 | do.end: ; preds = %do.cond |
| 42 | ret i32 0 |
| 43 | } |