| ; 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* 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 | |
| } |