| ; 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: @func( |
| |
| ; CHECK-INTERESTINGNESS: store |
| ; CHECK-INTERESTINGNESS: store |
| ; CHECK-INTERESTINGNESS: store |
| |
| |
| ; CHECK: bb: |
| ; CHECK-NEXT: br i1 %arg1, label %bb3, label %bb7 |
| |
| ; CHECK: bb3: ; preds = %bb |
| ; CHECK-NEXT: br i1 %arg2, label %bb4, label %bb7 |
| |
| ; CHECK: bb4: ; preds = %bb3 |
| ; CHECK-NEXT: store i32 0, ptr addrspace(1) null, align 4 |
| ; CHECK-NEXT: ret void |
| |
| ; CHECK: bb7: ; preds = %bb3, %bb |
| ; CHECK-NEXT: %i = phi i1 [ false, %bb ], [ true, %bb3 ] |
| ; CHECK-NEXT: store i32 1, ptr addrspace(1) null, align 4 |
| ; CHECK-NEXT: br label %bb10 |
| |
| ; CHECK: bb10: ; preds = %bb7 |
| ; CHECK-NEXT: store i32 2, ptr addrspace(1) null, align 4 |
| ; CHECK-NEXT: unreachable |
| define amdgpu_kernel void @func(i1 %arg, i1 %arg1, i1 %arg2) { |
| bb: |
| br i1 %arg1, label %bb3, label %bb7 |
| |
| bb3: ; preds = %bb |
| br i1 %arg2, label %bb4, label %bb7 |
| |
| bb4: ; preds = %bb3 |
| store i32 0, ptr addrspace(1) null |
| br label %bb5 |
| |
| bb5: ; preds = %bb4 |
| unreachable |
| |
| bb6: ; No predecessors! |
| unreachable |
| |
| bb7: ; preds = %bb3, %bb |
| %i = phi i1 [ false, %bb ], [ true, %bb3 ] |
| store i32 1, ptr addrspace(1) null |
| br i1 %arg, label %bb10, label %bb8 |
| |
| bb8: ; preds = %bb7 |
| br i1 %i, label %bb9, label %bb9 |
| |
| bb9: ; preds = %bb8, %bb8 |
| unreachable |
| |
| bb10: ; preds = %bb7 |
| store i32 2, ptr addrspace(1) null |
| unreachable |
| } |
