[compiler-rt] r264773 - [profile] Make a test work if run by the super-user

[Hal Finkel via llvm-commits]

----- Original Message -----
> From: "Vedant Kumar via llvm-commits" <llvm-commits at lists.llvm.org>
> To: "Sean Silva" <chisophugis at gmail.com>
> Cc: "llvm-commits" <llvm-commits at lists.llvm.org>
> Sent: Tuesday, March 29, 2016 2:55:32 PM
> Subject: Re: [compiler-rt] r264773 - [profile] Make a test work if run by the super-user
> 
> Darwin is funny. I tried an empty string also, but the test failed
> :(.
> 
> That said, it's important the test is portable. I'll revert and try
> again if the Windows bots have issues.

Shouldn't LLVM_PROFILE_FILE= give the default file name?

Maybe use something like: /doesnotexist?

 -Hal

> 
> vedant
> 
> > On Mar 29, 2016, at 12:52 PM, Sean Silva <chisophugis at gmail.com>
> > wrote:
> > 
> > An empty string also works for me and is probably more portable
> > (i.e. `env LLVM_PROFILE_FILE= LLVM_PROFILE_VERBOSE_ERRORS=1 %run
> > ...`). Does that work for you?
> > 
> > -- Sean Silva
> > 
> > On Tue, Mar 29, 2016 at 12:24 PM, Vedant Kumar via llvm-commits
> > <llvm-commits at lists.llvm.org> wrote:
> > Author: vedantk
> > Date: Tue Mar 29 14:24:58 2016
> > New Revision: 264773
> > 
> > URL: http://llvm.org/viewvc/llvm-project?rev=264773&view=rev
> > Log:
> > [profile] Make a test work if run by the super-user
> > 
> > Modified:
> >     compiler-rt/trunk/test/profile/instrprof-error.c
> > 
> > Modified: compiler-rt/trunk/test/profile/instrprof-error.c
> > URL:
> > http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/profile/instrprof-error.c?rev=264773&r1=264772&r2=264773&view=diff
> > ==============================================================================
> > --- compiler-rt/trunk/test/profile/instrprof-error.c (original)
> > +++ compiler-rt/trunk/test/profile/instrprof-error.c Tue Mar 29
> > 14:24:58 2016
> > @@ -1,8 +1,5 @@
> >  // RUN: %clang_profgen -o %t -O3 %s
> > -// RUN: touch %t.profraw
> > -// RUN: chmod -w %t.profraw
> > -// RUN: env LLVM_PROFILE_FILE=%t.profraw
> > LLVM_PROFILE_VERBOSE_ERRORS=1 %run %t 1 2>&1 | FileCheck %s
> > -// RUN: chmod +w %t.profraw
> > +// RUN: env LLVM_PROFILE_FILE="/" LLVM_PROFILE_VERBOSE_ERRORS=1
> > %run %t 1 2>&1 | FileCheck %s
> > 
> >  int main(int argc, const char *argv[]) {
> >    if (argc < 2)
> > 
> > 
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> > 
> 
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-- 
Hal Finkel
Assistant Computational Scientist
Leadership Computing Facility
Argonne National Laboratory