1; RUN: llvm-reduce --abort-on-invalid-reduction --delta-passes=unreachable-basic-blocks,basic-blocks --test FileCheck --test-arg --check-prefixes=CHECK-INTERESTINGNESS --test-arg %s --test-arg --input-file %s -o %t 2; RUN: FileCheck %s < %t 3 4 5; CHECK-INTERESTINGNESS: store i32 0, 6; CHECK-INTERESTINGNESS: store i32 1, 7 8 9; CHECK: bb: 10; CHECK-NEXT: %tmp = icmp eq i8 0, 0 11; CHECK-NEXT: %tmp12 = load i32, 12; CHECK-NEXT: %tmp13 = load i32, 13; CHECK-NEXT: br label %bb14 14 15; CHECK: bb14: 16; CHECK-NEXT: switch i32 %tmp12, label %bb14 [ 17; CHECK-NEXT: i32 2, label %bb14 18; CHECK-NEXT: i32 1, label %bb19 19; CHECK-NEXT: ] 20 21; CHECK: bb19: 22; CHECK-NEXT: switch i32 %tmp13, label %bb14 [ 23; CHECK-NEXT: i32 2, label %bb21 24; CHECK-NEXT: i32 1, label %bb20 25; CHECK-NEXT: ] 26 27; CHECK: bb20: 28; CHECK-NEXT: store i32 0, 29; CHECK-NEXT: br label %bb14 30 31; CHECK: bb21: 32; CHECK-NEXT: store i32 1, 33; CHECK-NEXT: br label %bb14 34define void @snork() { 35bb: 36 %tmp = icmp eq i8 0, 0 37 %tmp12 = load i32, ptr addrspace(4) inttoptr (i64 3016 to ptr addrspace(4)), align 8 38 %tmp13 = load i32, ptr addrspace(4) null, align 8 39 br label %bb14 40 41bb14: ; preds = %bb21, %bb20, %bb19, %bb14, %bb 42 switch i32 %tmp12, label %bb22 [ 43 i32 2, label %bb14 44 i32 1, label %bb19 45 ] 46 47bb15: ; preds = %bb17 48 %tmp16 = fadd contract double %tmp18, 1.000000e+00 49 unreachable 50 51bb17: ; preds = %bb17 52 %tmp18 = fadd contract double 0.000000e+00, 0.000000e+00 53 br i1 false, label %bb15, label %bb17 54 55bb19: ; preds = %bb14 56 switch i32 %tmp13, label %bb14 [ 57 i32 2, label %bb21 58 i32 1, label %bb20 59 ] 60 61bb20: ; preds = %bb19 62 store i32 0, ptr addrspace(3) null, align 4 63 br label %bb14 64 65bb21: ; preds = %bb19 66 store i32 1, ptr addrspace(3) null, align 4 67 br label %bb14 68 69bb22: ; preds = %bb14 70 unreachable 71} 72