| ; RUN: opt < %s -loop-reduce -disable-output |
| ; Test to make sure that loop-reduce never crashes on IV's |
| ; with different types but identical strides. |
| |
| define void @foo() { |
| entry: |
| br label %no_exit |
| no_exit: ; preds = %no_exit, %entry |
| %indvar = phi i32 [ 0, %entry ], [ %indvar.next, %no_exit ] ; <i32> [#uses=3] |
| %indvar.upgrd.1 = trunc i32 %indvar to i16 ; <i16> [#uses=1] |
| %X.0.0 = mul i16 %indvar.upgrd.1, 1234 ; <i16> [#uses=1] |
| %tmp. = mul i32 %indvar, 1234 ; <i32> [#uses=1] |
| %tmp.5 = sext i16 %X.0.0 to i32 ; <i32> [#uses=1] |
| %tmp.3 = call i32 (...) @bar( i32 %tmp.5, i32 %tmp. ) ; <i32> [#uses=0] |
| %tmp.0 = call i1 @pred( ) ; <i1> [#uses=1] |
| %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1] |
| br i1 %tmp.0, label %return, label %no_exit |
| return: ; preds = %no_exit |
| ret void |
| } |
| |
| declare i1 @pred() |
| |
| declare i32 @bar(...) |
| |
