diff options
| -rw-r--r-- | test/Transforms/IndVarsSimplify/2006-03-31-NegativeStride.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/Transforms/IndVarsSimplify/2006-03-31-NegativeStride.ll b/test/Transforms/IndVarsSimplify/2006-03-31-NegativeStride.ll new file mode 100644 index 0000000..5401740 --- /dev/null +++ b/test/Transforms/IndVarsSimplify/2006-03-31-NegativeStride.ll @@ -0,0 +1,21 @@ +; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep 'ret int 27' + +; Make sure to compute the right exit value based on negative strides. +; PR726 + +int %test() { +entry: + br label %cond_true + +cond_true: ; preds = %cond_true, %entry + %a.0.0 = phi int [ 10, %entry ], [ %tmp4, %cond_true ] ; <int> [#uses=2] + %b.0.0 = phi int [ 0, %entry ], [ %tmp2, %cond_true ] ; <int> [#uses=1] + %tmp2 = add int %b.0.0, %a.0.0 ; <int> [#uses=2] + %tmp4 = add int %a.0.0, -1 ; <int> [#uses=2] + %tmp = setgt int %tmp4, 7 ; <bool> [#uses=1] + br bool %tmp, label %cond_true, label %bb7 + +bb7: ; preds = %cond_true + ret int %tmp2 +} + |