| ; Ensure that llvm-reduce doesn't try to introduce a 0 or 1 |
| ; into a SwitchInst that already has one of those |
| |
| ; RUN: llvm-reduce --delta-passes=operands-zero --test %python --test-arg %p/Inputs/remove-bbs.py -abort-on-invalid-reduction %s -o %t |
| |
| ; RUN: llvm-reduce --delta-passes=operands-one --test %python --test-arg %p/Inputs/remove-bbs.py -abort-on-invalid-reduction %s -o %t |
| |
| declare i32 @g() |
| |
| define void @f(ptr %0, i1 %1) { |
| %3 = alloca i32, align 4 |
| store ptr null, ptr %0, align 8 |
| %4 = call i32 @g() |
| br i1 %1, label %5, label %7 |
| |
| 5: ; preds = %2 |
| br label %6 |
| |
| 6: ; preds = %5 |
| store i32 0, ptr %3, align 4 |
| br label %interesting2 |
| |
| 7: ; preds = %2 |
| br label %interesting2 |
| |
| interesting2: ; preds = %7, %6 |
| %x9 = load i32, ptr %3, align 4 |
| switch i32 %x9, label %uninteresting [ |
| i32 3, label %interesting1 |
| i32 12, label %interesting1 |
| ] |
| |
| interesting1: ; preds = %8, %8 |
| ret void |
| |
| uninteresting: ; preds = %8 |
| unreachable |
| } |
