| ; RUN: llvm-as < %s | opt -debug -loop-unroll |& grep {will not try to unroll partially because} |
| ; RUN: llvm-as < %s | opt -debug -loop-unroll -unroll-allow-partial |& grep {partially unrolling with count} |
| ; RUN: llvm-as < %s | opt -debug -loop-unroll -unroll-allow-partial -unroll-threshold=3 |& grep {could not unroll partially} |
| |
| define i32 @main() { |
| entry: |
| br label %no_exit |
| no_exit: ; preds = %no_exit, %entry |
| %indvar = phi i32 [ 0, %entry ], [ %indvar.next, %no_exit ] ; <i32> [#uses=1] |
| %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=2] |
| %exitcond = icmp ne i32 %indvar.next, 100 ; <i1> [#uses=1] |
| br i1 %exitcond, label %no_exit, label %loopexit |
| loopexit: ; preds = %no_exit |
| ret i32 0 |
| } |