| ; RUN: opt < %s -passes=gvn-hoist -S | FileCheck %s |
| |
| define void @func() { |
| ; CHECK-LABEL: @func() |
| ; CHECK: bb6: |
| ; CHECK: store i64 0, ptr undef, align 8 |
| ; CHECK: bb7: |
| ; CHECK-NOT: store i64 0, ptr undef, align 8 |
| ; CHECK: bb8: |
| ; CHECK-NOT: store i64 0, ptr undef, align 8 |
| |
| entry: |
| br label %bb1 |
| |
| bb1: |
| br label %bb2 |
| |
| bb2: |
| br label %bb3 |
| |
| bb3: |
| br i1 undef, label %bb4, label %bb2 |
| |
| bb4: |
| br i1 undef, label %bb5, label %bb3 |
| |
| bb5: |
| br label %bb6 |
| |
| bb6: |
| br i1 undef, label %bb7, label %bb8 |
| |
| bb7: |
| store i64 0, ptr undef, align 8 |
| unreachable |
| |
| bb8: |
| store i64 0, ptr undef, align 8 |
| ret void |
| } |
