| ; It is illegal to remove BB1 because it will mess up the PHI node! | |
| ; | |
| ; RUN: opt < %s -passes=adce -S | grep BB1 | |
| define i32 @test(i1 %C, i32 %A, i32 %B) { | |
| ; <label>:0 | |
| br i1 %C, label %BB1, label %BB2 | |
| BB1: ; preds = %0 | |
| br label %BB2 | |
| BB2: ; preds = %BB1, %0 | |
| %R = phi i32 [ %A, %0 ], [ %B, %BB1 ] ; <i32> [#uses=1] | |
| ret i32 %R | |
| } | |