| ; The i induction variable looks like a wrap-around, but it really is just |
| ; a simple affine IV. Make sure that indvars eliminates it. |
| |
| ; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep phi | count 1 |
| |
| define void @foo() { |
| entry: |
| br label %bb6 |
| |
| bb6: ; preds = %cond_true, %entry |
| %j.0 = phi i32 [ 1, %entry ], [ %tmp5, %cond_true ] ; <i32> [#uses=3] |
| %i.0 = phi i32 [ 0, %entry ], [ %j.0, %cond_true ] ; <i32> [#uses=1] |
| %tmp7 = call i32 (...)* @foo2( ) ; <i32> [#uses=1] |
| %tmp = icmp ne i32 %tmp7, 0 ; <i1> [#uses=1] |
| br i1 %tmp, label %cond_true, label %return |
| |
| cond_true: ; preds = %bb6 |
| %tmp2 = call i32 (...)* @bar( i32 %i.0, i32 %j.0 ) ; <i32> [#uses=0] |
| %tmp5 = add i32 %j.0, 1 ; <i32> [#uses=1] |
| br label %bb6 |
| |
| return: ; preds = %bb6 |
| ret void |
| } |
| |
| declare i32 @bar(...) |
| |
| declare i32 @foo2(...) |
| |