diff options
Diffstat (limited to 'test/Transforms/LoopUnroll')
| -rw-r--r-- | test/Transforms/LoopUnroll/partial.ll | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/Transforms/LoopUnroll/partial.ll b/test/Transforms/LoopUnroll/partial.ll new file mode 100644 index 0000000000..26da82b3b2 --- /dev/null +++ b/test/Transforms/LoopUnroll/partial.ll @@ -0,0 +1,15 @@ +; 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 +} |