| Ehsan Amiri | a538b0f | 2016-08-03 18:17:35 +0000 | [diff] [blame] | 1 | ; RUN: llc -verify-machineinstrs < %s -march=ppc32 |
| Bill Wendling | c44659b | 2008-06-23 23:41:14 +0000 | [diff] [blame] | 2 | ; <rdar://problem/6020042> |
| 3 | |
| 4 | define i32 @bork() nounwind { |
| 5 | entry: |
| 6 | br i1 true, label %bb1, label %bb3 |
| 7 | |
| 8 | bb1: |
| David Blaikie | a79ac14 | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 9 | %tmp1 = load i8, i8* null, align 1 |
| Bill Wendling | c44659b | 2008-06-23 23:41:14 +0000 | [diff] [blame] | 10 | %tmp2 = icmp eq i8 %tmp1, 0 |
| 11 | br label %bb2 |
| 12 | |
| 13 | bb2: |
| 14 | %val1 = phi i32 [ 0, %bb1 ], [ %val2, %bb2 ] |
| 15 | %val2 = select i1 %tmp2, i32 -1, i32 %val1 |
| 16 | switch i32 %val2, label %bb2 [ |
| 17 | i32 -1, label %bb3 |
| 18 | i32 0, label %bb1 |
| 19 | i32 1, label %bb3 |
| 20 | i32 2, label %bb1 |
| 21 | ] |
| 22 | |
| 23 | bb3: |
| 24 | ret i32 -1 |
| 25 | } |