[LLVMdev] Problem with regression tests using stderr
djg at cray.com
Mon Nov 26 18:01:59 PST 2007
Ok, it's PR1826.
On Mon, Nov 26, 2007 at 05:15:38PM -0800, Tanya M. Lattner wrote:
> Can you please file a bug for this (i havent seen one yet).
> On Mon, 26 Nov 2007, Dan Gohman wrote:
> > On Tue, Nov 20, 2007 at 07:01:25PM -0800, Bill Wendling wrote:
> >> I think that it's a hold-over to how things used to be done. IIRC,
> >> you had to have the && at the end of the RUN line if you had another
> >> RUN line that needed to be executed. That's no longer the case, of
> >> course.
> > Thanks. I'll remove the && from the one test that still has it then.
> > Then we can look at removing the associated code from llvm.exp and fixing
> > the bug. This will take a while though, at it exposes a large number of
> > failures that are currently hidden.
> >> If you want to catch stderr, there is one test doing that:
> >> Analysis/ScalarEvolution/2007-07-15-NegativeStride.ll:
> >> ; RUN: llvm-as < %s | opt -analyze -scalar-evolution 2>&1 | grep
> >> "Loop bb: 100 iterations"
> > 2>&1 doesn't evoke the desired behavior; the RUN line is unfortunately
> > interpreted by TCL rather than a regular shell. The llvm.exp bug has
> > allowed this and a variety of other common bourne-shell-isms to slip by
> > unnoticed.
> > Dan
Dan Gohman, Cray Inc.
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