| ; RUN: opt < %s -analyze -enable-new-pm=0 -scalar-evolution |
| ; RUN: opt < %s -disable-output -scalar-evolution |
| ; PR1827 |
| |
| declare void @use(i32) |
| |
| define void @foo() { |
| entry: |
| br label %loop_1 |
| |
| loop_1: ; preds = %loop_1, %entry |
| %a = phi i32 [ 2, %entry ], [ %b, %loop_1 ] ; <i32> [#uses=2] |
| %c = phi i32 [ 5, %entry ], [ %d, %loop_1 ] ; <i32> [#uses=1] |
| %b = add i32 %a, 1 ; <i32> [#uses=1] |
| %d = add i32 %c, %a ; <i32> [#uses=3] |
| %A = icmp ult i32 %d, 50 ; <i1> [#uses=1] |
| br i1 %A, label %loop_1, label %endloop |
| |
| endloop: ; preds = %loop_1 |
| call void @use(i32 %d) |
| ret void |
| } |