[LLVMdev] [POLLY] fix Bug 15817

Tobias Grosser tobias at grosser.es
Fri May 31 10:48:45 PDT 2013

On 05/31/2013 06:02 AM, Jack Howarth wrote:
>     The attached patch eliminates http://llvm.org/bugs/show_bug.cgi?id=15817 by removing the remaining
> "; XFAIL:*" added in http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20130415/171812.html.
> The Isl/CodeGen/scevcodegen-1.ll testcase in polly appears as an XPASS in current llvm/polly 3.3
> and trunk svn for both x86_64-apple-darwin* and x86_64 Fedora 15 when built against isl 0.11.1/2 and
> cloog 0.18.0. The attached patch eliminates this unexpected XPASS seen with newer isl/cloog.
>               Jack

Hi Jack,

the problem was that the failure only occurred when compiled without 
asserts. So just removing the XFAIL does cause troubles on builds with 
asserts enabled. I tightened the test case in r183025 such that it 
should now behave as expected on asserts and non-asserts builds.

Thanks again for reporting and looking into this.


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