| Eric Christopher | cee313d | 2019-04-17 04:52:47 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -loop-unswitch -disable-output |
| 2 | ; RUN: opt < %s -loop-unswitch -enable-mssa-loop-dependency=true -verify-memoryssa -disable-output |
| 3 | ; PR1559 |
| 4 | |
| 5 | target triple = "i686-pc-linux-gnu" |
| 6 | %struct.re_pattern_buffer = type { i8*, i32, i32, i32, i8*, i8*, i32, i8 } |
| 7 | |
| 8 | define fastcc i32 @byte_regex_compile(i8* %pattern, i32 %size, i32 %syntax, %struct.re_pattern_buffer* %bufp) { |
| 9 | entry: |
| 10 | br i1 false, label %bb147, label %cond_next123 |
| 11 | |
| 12 | cond_next123: ; preds = %entry |
| 13 | ret i32 0 |
| 14 | |
| 15 | bb147: ; preds = %entry |
| 16 | switch i32 0, label %normal_char [ |
| 17 | i32 91, label %bb1734 |
| 18 | i32 92, label %bb5700 |
| 19 | ] |
| 20 | |
| 21 | bb1734: ; preds = %bb147 |
| 22 | br label %bb1855.outer.outer |
| 23 | |
| 24 | cond_true1831: ; preds = %bb1855.outer |
| 25 | br i1 %tmp1837, label %cond_next1844, label %cond_true1840 |
| 26 | |
| 27 | cond_true1840: ; preds = %cond_true1831 |
| 28 | ret i32 0 |
| 29 | |
| 30 | cond_next1844: ; preds = %cond_true1831 |
| 31 | br i1 false, label %bb1855.outer, label %cond_true1849 |
| 32 | |
| 33 | cond_true1849: ; preds = %cond_next1844 |
| 34 | br label %bb1855.outer.outer |
| 35 | |
| 36 | bb1855.outer.outer: ; preds = %cond_true1849, %bb1734 |
| 37 | %b.10.ph.ph = phi i8* [ null, %cond_true1849 ], [ null, %bb1734 ] ; <i8*> [#uses=1] |
| 38 | br label %bb1855.outer |
| 39 | |
| 40 | bb1855.outer: ; preds = %bb1855.outer.outer, %cond_next1844 |
| 41 | %b.10.ph = phi i8* [ null, %cond_next1844 ], [ %b.10.ph.ph, %bb1855.outer.outer ] ; <i8*> [#uses=1] |
| 42 | %tmp1837 = icmp eq i8* null, null ; <i1> [#uses=2] |
| 43 | br i1 false, label %cond_true1831, label %cond_next1915 |
| 44 | |
| 45 | cond_next1915: ; preds = %cond_next1961, %bb1855.outer |
| 46 | store i8* null, i8** null |
| 47 | br i1 %tmp1837, label %cond_next1929, label %cond_true1923 |
| 48 | |
| 49 | cond_true1923: ; preds = %cond_next1915 |
| 50 | ret i32 0 |
| 51 | |
| 52 | cond_next1929: ; preds = %cond_next1915 |
| 53 | br i1 false, label %cond_next1961, label %cond_next2009 |
| 54 | |
| 55 | cond_next1961: ; preds = %cond_next1929 |
| 56 | %tmp1992 = getelementptr i8, i8* %b.10.ph, i32 0 ; <i8*> [#uses=0] |
| 57 | br label %cond_next1915 |
| 58 | |
| 59 | cond_next2009: ; preds = %cond_next1929 |
| 60 | ret i32 0 |
| 61 | |
| 62 | bb5700: ; preds = %bb147 |
| 63 | ret i32 0 |
| 64 | |
| 65 | normal_char: ; preds = %bb147 |
| 66 | ret i32 0 |
| 67 | } |