1 ; RUN: llc -mtriple=thumbv7-apple-ios -mcpu=cortex-a8 < %s 2 3 ; rdar://10196296 4 ; ARM target specific dag combine created a cycle in DAG. 5 6 define void @t() nounwind ssp { 7 %1 = load i64* undef, align 4 8 %2 = shl i32 5, 0 9 %3 = zext i32 %2 to i64 10 %4 = and i64 %1, %3 11 %5 = lshr i64 %4, undef 12 switch i64 %5, label %8 [ 13 i64 0, label %9 14 i64 1, label %6 15 i64 4, label %9 16 i64 5, label %7 17 ] 18 19 ; <label>:6 ; preds = %0 20 unreachable 21 22 ; <label>:7 ; preds = %0 23 unreachable 24 25 ; <label>:8 ; preds = %0 26 unreachable 27 28 ; <label>:9 ; preds = %0, %0 29 ret void 30 } 31
