| ; This is a basic correctness check for constant propagation. The add | |
| ; instruction should be eliminated. | |
| ; RUN: opt < %s -instsimplify -dce -S | not grep phi | |
| define i32 @test(i1 %B) { | |
| BB0: | |
| br i1 %B, label %BB1, label %BB3 | |
| BB1: ; preds = %BB0 | |
| br label %BB3 | |
| BB3: ; preds = %BB1, %BB0 | |
| %Ret = phi i32 [ 1, %BB0 ], [ 1, %BB1 ] ; <i32> [#uses=1] | |
| ret i32 %Ret | |
| } | |