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| author | Chris Lattner <sabre@nondot.org> | 2006-04-01 04:47:17 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-04-01 04:47:17 +0000 |
| commit | b076783e7d14ab592c4ef2fcb08fea402e2d6986 (patch) | |
| tree | 339462179b2d5b56a77eab907eb68f656c93d537 /test/Transforms/IndVarsSimplify | |
| parent | eaa7c06d86ae766611c980d458e324e1d16327dd (diff) | |
| download | external_llvm-b076783e7d14ab592c4ef2fcb08fea402e2d6986.zip external_llvm-b076783e7d14ab592c4ef2fcb08fea402e2d6986.tar.gz external_llvm-b076783e7d14ab592c4ef2fcb08fea402e2d6986.tar.bz2 | |
new testcase for PR726
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27325 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/IndVarsSimplify')
| -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 +} + |