From b076783e7d14ab592c4ef2fcb08fea402e2d6986 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sat, 1 Apr 2006 04:47:17 +0000 Subject: [PATCH] new testcase for PR726 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27325 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../2006-03-31-NegativeStride.ll | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 test/Transforms/IndVarsSimplify/2006-03-31-NegativeStride.ll 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 00000000000..54017404804 --- /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 ] ; [#uses=2] + %b.0.0 = phi int [ 0, %entry ], [ %tmp2, %cond_true ] ; [#uses=1] + %tmp2 = add int %b.0.0, %a.0.0 ; [#uses=2] + %tmp4 = add int %a.0.0, -1 ; [#uses=2] + %tmp = setgt int %tmp4, 7 ; [#uses=1] + br bool %tmp, label %cond_true, label %bb7 + +bb7: ; preds = %cond_true + ret int %tmp2 +} + -- 2.34.1