| ; RUN: llc -mtriple=thumbv7-apple-ios -mcpu=cortex-a8 < %s |
| |
| ; rdar://10196296 |
| ; ARM target specific dag combine created a cycle in DAG. |
| |
| define void @t() nounwind ssp { |
| %1 = load i64, i64* undef, align 4 |
| %2 = shl i32 5, 0 |
| %3 = zext i32 %2 to i64 |
| %4 = and i64 %1, %3 |
| %5 = lshr i64 %4, undef |
| switch i64 %5, label %8 [ |
| i64 0, label %9 |
| i64 1, label %6 |
| i64 4, label %9 |
| i64 5, label %7 |
| ] |
| |
| ; <label>:6 ; preds = %0 |
| unreachable |
| |
| ; <label>:7 ; preds = %0 |
| unreachable |
| |
| ; <label>:8 ; preds = %0 |
| unreachable |
| |
| ; <label>:9 ; preds = %0, %0 |
| ret void |
| } |