| Dan Gohman | 3c7d308 | 2009-09-11 18:01:28 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -jump-threading | llvm-dis |
| Chris Lattner | 6b644ff | 2009-01-09 06:08:12 +0000 | [diff] [blame] | 2 | ; PR3298 |
| 3 | |
| 4 | 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" |
| 5 | target triple = "i386-apple-darwin9.6" |
| 6 | |
| 7 | define i32 @func(i32 %p_79, i32 %p_80) nounwind { |
| 8 | entry: |
| 9 | br label %bb7 |
| 10 | |
| 11 | bb1: ; preds = %bb2 |
| 12 | br label %bb2 |
| 13 | |
| 14 | bb2: ; preds = %bb7, %bb1 |
| 15 | %l_82.0 = phi i8 [ 0, %bb1 ], [ %l_82.1, %bb7 ] ; <i8> [#uses=3] |
| 16 | br i1 true, label %bb3, label %bb1 |
| 17 | |
| 18 | bb3: ; preds = %bb2 |
| 19 | %0 = icmp eq i32 %p_80_addr.1, 0 ; <i1> [#uses=1] |
| 20 | br i1 %0, label %bb7, label %bb6 |
| 21 | |
| 22 | bb5: ; preds = %bb6 |
| 23 | %1 = icmp eq i8 %l_82.0, 0 ; <i1> [#uses=1] |
| 24 | br i1 %1, label %bb1.i, label %bb.i |
| 25 | |
| 26 | bb.i: ; preds = %bb5 |
| 27 | br label %safe_div_func_char_s_s.exit |
| 28 | |
| 29 | bb1.i: ; preds = %bb5 |
| 30 | br label %safe_div_func_char_s_s.exit |
| 31 | |
| 32 | safe_div_func_char_s_s.exit: ; preds = %bb1.i, %bb.i |
| 33 | br label %bb6 |
| 34 | |
| 35 | bb6: ; preds = %safe_div_func_char_s_s.exit, %bb3 |
| 36 | %p_80_addr.0 = phi i32 [ %p_80_addr.1, %bb3 ], [ 1, %safe_div_func_char_s_s.exit ] ; <i32> [#uses=2] |
| 37 | %2 = icmp eq i32 %p_80_addr.0, 0 ; <i1> [#uses=1] |
| 38 | br i1 %2, label %bb7, label %bb5 |
| 39 | |
| 40 | bb7: ; preds = %bb6, %bb3, %entry |
| 41 | %l_82.1 = phi i8 [ 1, %entry ], [ %l_82.0, %bb3 ], [ %l_82.0, %bb6 ] ; <i8> [#uses=2] |
| 42 | %p_80_addr.1 = phi i32 [ 0, %entry ], [ %p_80_addr.1, %bb3 ], [ %p_80_addr.0, %bb6 ] ; <i32> [#uses=4] |
| 43 | %3 = icmp eq i32 %p_80_addr.1, 0 ; <i1> [#uses=1] |
| 44 | br i1 %3, label %bb8, label %bb2 |
| 45 | |
| 46 | bb8: ; preds = %bb7 |
| 47 | %4 = sext i8 %l_82.1 to i32 ; <i32> [#uses=0] |
| 48 | ret i32 0 |
| 49 | } |