| Owen Anderson | 7273537 | 2008-07-02 17:20:16 +0000 | [diff] [blame] | 1 | ; RUN: llvm-as < %s | opt -gvn | llvm-dis | grep undef |
| 2 | ; PR2503 |
| 3 | target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" |
| 4 | target triple = "i686-apple-darwin9.3.0" |
| 5 | @g_3 = external global i8 ; <i8*> [#uses=2] |
| 6 | |
| 7 | define i32 @func_1() nounwind { |
| 8 | entry: |
| 9 | br i1 false, label %ifelse, label %ifthen |
| 10 | |
| 11 | ifthen: ; preds = %entry |
| 12 | br label %ifend |
| 13 | |
| 14 | ifelse: ; preds = %entry |
| 15 | %tmp3 = load i8* @g_3 ; <i8> [#uses=0] |
| 16 | br label %forcond.thread |
| 17 | |
| 18 | forcond.thread: ; preds = %ifelse |
| 19 | br label %afterfor |
| 20 | |
| 21 | forcond: ; preds = %forinc |
| 22 | br i1 false, label %afterfor, label %forbody |
| 23 | |
| 24 | forbody: ; preds = %forcond |
| 25 | br label %forinc |
| 26 | |
| 27 | forinc: ; preds = %forbody |
| 28 | br label %forcond |
| 29 | |
| 30 | afterfor: ; preds = %forcond, %forcond.thread |
| 31 | %tmp10 = load i8* @g_3 ; <i8> [#uses=0] |
| 32 | br label %ifend |
| 33 | |
| 34 | ifend: ; preds = %afterfor, %ifthen |
| 35 | ret i32 0 |
| 36 | } |