| ; 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 |
| ; RUN: FileCheck %s < %t |
| |
| |
| ; CHECK-INTERESTINGNESS: store i32 0, |
| ; CHECK-INTERESTINGNESS: store i32 1, |
| |
| |
| ; CHECK: bb: |
| ; CHECK-NEXT: %tmp = icmp eq i8 0, 0 |
| ; CHECK-NEXT: %tmp12 = load i32, |
| ; CHECK-NEXT: %tmp13 = load i32, |
| ; CHECK-NEXT: br label %bb14 |
| |
| ; CHECK: bb14: |
| ; CHECK-NEXT: switch i32 %tmp12, label %bb14 [ |
| ; CHECK-NEXT: i32 2, label %bb14 |
| ; CHECK-NEXT: i32 1, label %bb19 |
| ; CHECK-NEXT: ] |
| |
| ; CHECK: bb19: |
| ; CHECK-NEXT: switch i32 %tmp13, label %bb14 [ |
| ; CHECK-NEXT: i32 2, label %bb21 |
| ; CHECK-NEXT: i32 1, label %bb20 |
| ; CHECK-NEXT: ] |
| |
| ; CHECK: bb20: |
| ; CHECK-NEXT: store i32 0, |
| ; CHECK-NEXT: br label %bb14 |
| |
| ; CHECK: bb21: |
| ; CHECK-NEXT: store i32 1, |
| ; CHECK-NEXT: br label %bb14 |
| define void @snork() { |
| bb: |
| %tmp = icmp eq i8 0, 0 |
| %tmp12 = load i32, ptr addrspace(4) inttoptr (i64 3016 to ptr addrspace(4)), align 8 |
| %tmp13 = load i32, ptr addrspace(4) null, align 8 |
| br label %bb14 |
| |
| bb14: ; preds = %bb21, %bb20, %bb19, %bb14, %bb |
| switch i32 %tmp12, label %bb22 [ |
| i32 2, label %bb14 |
| i32 1, label %bb19 |
| ] |
| |
| bb15: ; preds = %bb17 |
| %tmp16 = fadd contract double %tmp18, 1.000000e+00 |
| unreachable |
| |
| bb17: ; preds = %bb17 |
| %tmp18 = fadd contract double 0.000000e+00, 0.000000e+00 |
| br i1 false, label %bb15, label %bb17 |
| |
| bb19: ; preds = %bb14 |
| switch i32 %tmp13, label %bb14 [ |
| i32 2, label %bb21 |
| i32 1, label %bb20 |
| ] |
| |
| bb20: ; preds = %bb19 |
| store i32 0, ptr addrspace(3) null, align 4 |
| br label %bb14 |
| |
| bb21: ; preds = %bb19 |
| store i32 1, ptr addrspace(3) null, align 4 |
| br label %bb14 |
| |
| bb22: ; preds = %bb14 |
| unreachable |
| } |
