On Thu, Jun 18, 2020 at 3:37 PM Chris Tetreault <ctetreau at quicinc.com> wrote:> We’re talking about verbose output right? Verbose isn’t the default. >I'm fairly certain the issue in this thread is just the verbosity of -dump-input=fail. Yes, -vv makes it even more verbose by annotating input lines with good matches, etc., but that's not part of the "new behaviour" Sjoerd meant, I believe. Joel> > > *From:* Joel E. Denny <jdenny.ornl at gmail.com> > *Sent:* Thursday, June 18, 2020 10:54 AM > *To:* Chris Tetreault <ctetreau at quicinc.com> > *Cc:* Sjoerd Meijer <Sjoerd.Meijer at arm.com>; llvm-dev at lists.llvm.org > *Subject:* [EXT] Re: [llvm-dev] FileCheck > > > > Hi Chris, > > > > On Thu, Jun 18, 2020 at 1:37 PM Chris Tetreault via llvm-dev < > llvm-dev at lists.llvm.org> wrote: > > The thing I use normally only shows the first N lines by default (I don’t > know off hand what N is). Honestly, I don’t feel very strongly about the > specific order, but it’s not useful when somebody proposes something on the > list, and nobody voices any dissent (choosing instead to silently oppose > the change). My requests would be: > > > > 1. The order should be customizable via command line. > 2. By default, it should not dump things to multiple locations. If I > ask for verbose output, I want to get blasted with all the stuff. > 3. The most important thing for me personally is to see the input to > filecheck (I realize that this is in conflict with my earlier point. It’s > early and I hadn’t had my coffee 😊 ). When I get a failure I want to > be able to reproduce it in an IDE to use a debugger. Any change should not > make this use case harder. > > > > Personally, I do not find the argument that the defaults should be setup > to be best for newcomers to be very compelling; we are talking about > changing the behavior of a non-default option after all. > > > > What do you mean by a "non-default option"? The default of > -dump-input=never was recently changed to -dump-input=fail. > > > > Joel > > > > If just a bare filecheck invocation doesn’t tell a newcomer what they need > to know, then they have to do filecheck -help or google the documentation > anyways. At that point, they are going to customize it however they want. I > assume anybody using filecheck to debug an issue is tech savvy enough to be > able to configure the options, given reasonable documentation. > > > > Thanks, > > Christopher Tetreault > > > > *From:* Sjoerd Meijer <Sjoerd.Meijer at arm.com> > *Sent:* Thursday, June 18, 2020 9:45 AM > *To:* Chris Tetreault <ctetreau at quicinc.com> > *Cc:* llvm-dev at lists.llvm.org > *Subject:* [EXT] Re: [llvm-dev] FileCheck > > > > > > I would guess that in a CI system the order doesn't matter much because > you look at a webpage? I looked at some build bots today/yesterday that now > also show this, and yeah, it's fine either way, I was guessing. > > > > My primary use-case is usage in a terminal, and displaying the errors > first followed by all input makes this pretty unusable. > ------------------------------ > > *From:* Chris Tetreault <ctetreau at quicinc.com> > *Sent:* 18 June 2020 17:34 > *To:* Sjoerd Meijer <Sjoerd.Meijer at arm.com> > *Cc:* llvm-dev at lists.llvm.org <llvm-dev at lists.llvm.org> > *Subject:* RE: [llvm-dev] FileCheck > > > > For anybody viewing these failures through some sort of CI system, showing > the error first then the input file is more useful for the same reasons you > mentioned. Personally, I rarely run filecheck by hand from the command > prompt, so your change would make my life worse. Granted, I’m just one > person. > > > > The point I’m trying to make is that I don’t think it’s clear-cut which > order is better, so maybe we shouldn’t change it. I think it might be fine > to add an option to swap the order, but I’d be very sad if it started > dumping to some random file by default. > > > > Thanks, > > Christopher Tetreault > > > > *From:* llvm-dev <llvm-dev-bounces at lists.llvm.org> *On Behalf Of *Sjoerd > Meijer via llvm-dev > *Sent:* Thursday, June 18, 2020 9:16 AM > *To:* llvm-dev at lists.llvm.org > *Subject:* [EXT] [llvm-dev] FileCheck > > > > Hello, > > > > I am not sold on FileCheck's new behaviour. For failing tests in verbose > mode, it first dump the actual error messages, followed by the annotated > input file to FileCheck. The result is I can't immediately see error > messages if the input is more than just a few lines long, so I have to > scroll all the way up to see the errors, then down again, etc. > > > > I do see some advantages of dumping the input to FileCheck, but an > improvement for me would be: > > - to dump the input first, then followed by the error message, so that > I can the errors first, and then decide to scroll up if I am interested to > do so. > - dump it to a separate file (controlled with an option). > > I am interested in changing the behaviour, because I think I find setting > environment varibale "FILECHECK_OPTS="--dump-input never"" inconvenient. > > > > My 2 pennies. > > Sjoerd. > > _______________________________________________ > LLVM Developers mailing list > llvm-dev at lists.llvm.org > https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev > >-------------- next part -------------- An HTML attachment was scrubbed... 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Sjoerd specifically said “in verbose mode”, which I interpret to mean “when passing -v or -vv”. If we’re discussing the default behavior, then that’s a separate issue. Regardless, my other points stand independent of that. From: Joel E. Denny <jdenny.ornl at gmail.com> Sent: Thursday, June 18, 2020 12:43 PM To: Chris Tetreault <ctetreau at quicinc.com> Cc: Sjoerd Meijer <Sjoerd.Meijer at arm.com>; llvm-dev at lists.llvm.org Subject: [EXT] Re: [llvm-dev] FileCheck On Thu, Jun 18, 2020 at 3:37 PM Chris Tetreault <ctetreau at quicinc.com<mailto:ctetreau at quicinc.com>> wrote: We’re talking about verbose output right? Verbose isn’t the default. I'm fairly certain the issue in this thread is just the verbosity of -dump-input=fail. Yes, -vv makes it even more verbose by annotating input lines with good matches, etc., but that's not part of the "new behaviour" Sjoerd meant, I believe. Joel From: Joel E. Denny <jdenny.ornl at gmail.com<mailto:jdenny.ornl at gmail.com>> Sent: Thursday, June 18, 2020 10:54 AM To: Chris Tetreault <ctetreau at quicinc.com<mailto:ctetreau at quicinc.com>> Cc: Sjoerd Meijer <Sjoerd.Meijer at arm.com<mailto:Sjoerd.Meijer at arm.com>>; llvm-dev at lists.llvm.org<mailto:llvm-dev at lists.llvm.org> Subject: [EXT] Re: [llvm-dev] FileCheck Hi Chris, On Thu, Jun 18, 2020 at 1:37 PM Chris Tetreault via llvm-dev <llvm-dev at lists.llvm.org<mailto:llvm-dev at lists.llvm.org>> wrote: The thing I use normally only shows the first N lines by default (I don’t know off hand what N is). Honestly, I don’t feel very strongly about the specific order, but it’s not useful when somebody proposes something on the list, and nobody voices any dissent (choosing instead to silently oppose the change). My requests would be: 1. The order should be customizable via command line. 2. By default, it should not dump things to multiple locations. If I ask for verbose output, I want to get blasted with all the stuff. 3. The most important thing for me personally is to see the input to filecheck (I realize that this is in conflict with my earlier point. It’s early and I hadn’t had my coffee 😊 ). When I get a failure I want to be able to reproduce it in an IDE to use a debugger. Any change should not make this use case harder. Personally, I do not find the argument that the defaults should be setup to be best for newcomers to be very compelling; we are talking about changing the behavior of a non-default option after all. What do you mean by a "non-default option"? The default of -dump-input=never was recently changed to -dump-input=fail. Joel If just a bare filecheck invocation doesn’t tell a newcomer what they need to know, then they have to do filecheck -help or google the documentation anyways. At that point, they are going to customize it however they want. I assume anybody using filecheck to debug an issue is tech savvy enough to be able to configure the options, given reasonable documentation. Thanks, Christopher Tetreault From: Sjoerd Meijer <Sjoerd.Meijer at arm.com<mailto:Sjoerd.Meijer at arm.com>> Sent: Thursday, June 18, 2020 9:45 AM To: Chris Tetreault <ctetreau at quicinc.com<mailto:ctetreau at quicinc.com>> Cc: llvm-dev at lists.llvm.org<mailto:llvm-dev at lists.llvm.org> Subject: [EXT] Re: [llvm-dev] FileCheck I would guess that in a CI system the order doesn't matter much because you look at a webpage? I looked at some build bots today/yesterday that now also show this, and yeah, it's fine either way, I was guessing. My primary use-case is usage in a terminal, and displaying the errors first followed by all input makes this pretty unusable. ________________________________ From: Chris Tetreault <ctetreau at quicinc.com<mailto:ctetreau at quicinc.com>> Sent: 18 June 2020 17:34 To: Sjoerd Meijer <Sjoerd.Meijer at arm.com<mailto:Sjoerd.Meijer at arm.com>> Cc: llvm-dev at lists.llvm.org<mailto:llvm-dev at lists.llvm.org> <llvm-dev at lists.llvm.org<mailto:llvm-dev at lists.llvm.org>> Subject: RE: [llvm-dev] FileCheck For anybody viewing these failures through some sort of CI system, showing the error first then the input file is more useful for the same reasons you mentioned. Personally, I rarely run filecheck by hand from the command prompt, so your change would make my life worse. Granted, I’m just one person. The point I’m trying to make is that I don’t think it’s clear-cut which order is better, so maybe we shouldn’t change it. I think it might be fine to add an option to swap the order, but I’d be very sad if it started dumping to some random file by default. Thanks, Christopher Tetreault From: llvm-dev <llvm-dev-bounces at lists.llvm.org<mailto:llvm-dev-bounces at lists.llvm.org>> On Behalf Of Sjoerd Meijer via llvm-dev Sent: Thursday, June 18, 2020 9:16 AM To: llvm-dev at lists.llvm.org<mailto:llvm-dev at lists.llvm.org> Subject: [EXT] [llvm-dev] FileCheck Hello, I am not sold on FileCheck's new behaviour. For failing tests in verbose mode, it first dump the actual error messages, followed by the annotated input file to FileCheck. The result is I can't immediately see error messages if the input is more than just a few lines long, so I have to scroll all the way up to see the errors, then down again, etc. I do see some advantages of dumping the input to FileCheck, but an improvement for me would be: * to dump the input first, then followed by the error message, so that I can the errors first, and then decide to scroll up if I am interested to do so. * dump it to a separate file (controlled with an option). I am interested in changing the behaviour, because I think I find setting environment varibale "FILECHECK_OPTS="--dump-input never"" inconvenient. My 2 pennies. Sjoerd. _______________________________________________ LLVM Developers mailing list llvm-dev at lists.llvm.org<mailto:llvm-dev at lists.llvm.org> https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev -------------- next part -------------- An HTML attachment was scrubbed... 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I’m referring to the default behavior that I, as an LLVM developer, see when I type “ninja check” after setting up an LLVM the the usual recommended cmake flags. -Chris> On Jun 18, 2020, at 12:49 PM, Chris Tetreault via llvm-dev <llvm-dev at lists.llvm.org> wrote: > > Sjoerd specifically said “in verbose mode”, which I interpret to mean “when passing -v or -vv”. If we’re discussing the default behavior, then that’s a separate issue. Regardless, my other points stand independent of that. > > From: Joel E. Denny <jdenny.ornl at gmail.com <mailto:jdenny.ornl at gmail.com>> > Sent: Thursday, June 18, 2020 12:43 PM > To: Chris Tetreault <ctetreau at quicinc.com <mailto:ctetreau at quicinc.com>> > Cc: Sjoerd Meijer <Sjoerd.Meijer at arm.com <mailto:Sjoerd.Meijer at arm.com>>; llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org> > Subject: [EXT] Re: [llvm-dev] FileCheck > > On Thu, Jun 18, 2020 at 3:37 PM Chris Tetreault <ctetreau at quicinc.com <mailto:ctetreau at quicinc.com>> wrote: > We’re talking about verbose output right? Verbose isn’t the default. > > I'm fairly certain the issue in this thread is just the verbosity of -dump-input=fail. Yes, -vv makes it even more verbose by annotating input lines with good matches, etc., but that's not part of the "new behaviour" Sjoerd meant, I believe. > > Joel > > > From: Joel E. Denny <jdenny.ornl at gmail.com <mailto:jdenny.ornl at gmail.com>> > Sent: Thursday, June 18, 2020 10:54 AM > To: Chris Tetreault <ctetreau at quicinc.com <mailto:ctetreau at quicinc.com>> > Cc: Sjoerd Meijer <Sjoerd.Meijer at arm.com <mailto:Sjoerd.Meijer at arm.com>>; llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org> > Subject: [EXT] Re: [llvm-dev] FileCheck > > Hi Chris, > > On Thu, Jun 18, 2020 at 1:37 PM Chris Tetreault via llvm-dev <llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> wrote: > The thing I use normally only shows the first N lines by default (I don’t know off hand what N is). Honestly, I don’t feel very strongly about the specific order, but it’s not useful when somebody proposes something on the list, and nobody voices any dissent (choosing instead to silently oppose the change). My requests would be: > > The order should be customizable via command line. > By default, it should not dump things to multiple locations. If I ask for verbose output, I want to get blasted with all the stuff. > The most important thing for me personally is to see the input to filecheck (I realize that this is in conflict with my earlier point. It’s early and I hadn’t had my coffee 😊 ). When I get a failure I want to be able to reproduce it in an IDE to use a debugger. Any change should not make this use case harder. > > Personally, I do not find the argument that the defaults should be setup to be best for newcomers to be very compelling; we are talking about changing the behavior of a non-default option after all. > > What do you mean by a "non-default option"? The default of -dump-input=never was recently changed to -dump-input=fail. > > Joel > > If just a bare filecheck invocation doesn’t tell a newcomer what they need to know, then they have to do filecheck -help or google the documentation anyways. At that point, they are going to customize it however they want. I assume anybody using filecheck to debug an issue is tech savvy enough to be able to configure the options, given reasonable documentation. > > Thanks, > Christopher Tetreault > > From: Sjoerd Meijer <Sjoerd.Meijer at arm.com <mailto:Sjoerd.Meijer at arm.com>> > Sent: Thursday, June 18, 2020 9:45 AM > To: Chris Tetreault <ctetreau at quicinc.com <mailto:ctetreau at quicinc.com>> > Cc: llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org> > Subject: [EXT] Re: [llvm-dev] FileCheck > > > I would guess that in a CI system the order doesn't matter much because you look at a webpage? I looked at some build bots today/yesterday that now also show this, and yeah, it's fine either way, I was guessing. > > My primary use-case is usage in a terminal, and displaying the errors first followed by all input makes this pretty unusable. > From: Chris Tetreault <ctetreau at quicinc.com <mailto:ctetreau at quicinc.com>> > Sent: 18 June 2020 17:34 > To: Sjoerd Meijer <Sjoerd.Meijer at arm.com <mailto:Sjoerd.Meijer at arm.com>> > Cc: llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org> <llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> > Subject: RE: [llvm-dev] FileCheck > > For anybody viewing these failures through some sort of CI system, showing the error first then the input file is more useful for the same reasons you mentioned. Personally, I rarely run filecheck by hand from the command prompt, so your change would make my life worse. Granted, I’m just one person. > > > > The point I’m trying to make is that I don’t think it’s clear-cut which order is better, so maybe we shouldn’t change it. I think it might be fine to add an option to swap the order, but I’d be very sad if it started dumping to some random file by default. > > > > Thanks, > > Christopher Tetreault > > > > From: llvm-dev <llvm-dev-bounces at lists.llvm.org <mailto:llvm-dev-bounces at lists.llvm.org>> On Behalf Of Sjoerd Meijer via llvm-dev > Sent: Thursday, June 18, 2020 9:16 AM > To: llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org> > Subject: [EXT] [llvm-dev] FileCheck > > > > Hello, > > > > I am not sold on FileCheck's new behaviour. For failing tests in verbose mode, it first dump the actual error messages, followed by the annotated input file to FileCheck. The result is I can't immediately see error messages if the input is more than just a few lines long, so I have to scroll all the way up to see the errors, then down again, etc. > > > > I do see some advantages of dumping the input to FileCheck, but an improvement for me would be: > > to dump the input first, then followed by the error message, so that I can the errors first, and then decide to scroll up if I am interested to do so. > dump it to a separate file (controlled with an option). > I am interested in changing the behaviour, because I think I find setting environment varibale "FILECHECK_OPTS="--dump-input never"" inconvenient. > > > > My 2 pennies. > > Sjoerd. > > _______________________________________________ > LLVM Developers mailing list > llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org> > https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev <https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev>_______________________________________________ > LLVM Developers mailing list > llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org> > https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev <https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev>-------------- next part -------------- An HTML attachment was scrubbed... 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Sorry if I wasn't clear about my use case. In my daily dev work, I do many
local "ninja check"s, or "llvm-lit" on a subdirectory as a
quick(er) smoke test if I am making changes in that area (e.g. "llvm-lit
../llvm/test/CodeGen"). Nothing wrong here, as indeed nothing changed here.
But in case of a test failure, I want to run just that test:
bin/llvm-lit ../llvm/test/CodeGen/my_test.ll
This only reports success/failure, and doesn't show any cause for failure ,
so I run it in verbose mode with:
bin/llvm-lit -a ../llvm/test/CodeGen/my_test.ll
In a terminal, the new default behaviour of FileCheck has become pretty unusable
IMHO.
________________________________
From: Chris Tetreault <ctetreau at quicinc.com>
Sent: 18 June 2020 20:49
To: Joel E. Denny <jdenny.ornl at gmail.com>
Cc: Sjoerd Meijer <Sjoerd.Meijer at arm.com>; llvm-dev at lists.llvm.org
<llvm-dev at lists.llvm.org>
Subject: RE: [llvm-dev] FileCheck
Sjoerd specifically said “in verbose mode”, which I interpret to mean “when
passing -v or -vv”. If we’re discussing the default behavior, then that’s a
separate issue. Regardless, my other points stand independent of that.
From: Joel E. Denny <jdenny.ornl at gmail.com>
Sent: Thursday, June 18, 2020 12:43 PM
To: Chris Tetreault <ctetreau at quicinc.com>
Cc: Sjoerd Meijer <Sjoerd.Meijer at arm.com>; llvm-dev at lists.llvm.org
Subject: [EXT] Re: [llvm-dev] FileCheck
On Thu, Jun 18, 2020 at 3:37 PM Chris Tetreault <ctetreau at
quicinc.com<mailto:ctetreau at quicinc.com>> wrote:
We’re talking about verbose output right? Verbose isn’t the default.
I'm fairly certain the issue in this thread is just the verbosity of
-dump-input=fail. Yes, -vv makes it even more verbose by annotating input lines
with good matches, etc., but that's not part of the "new
behaviour" Sjoerd meant, I believe.
Joel
From: Joel E. Denny <jdenny.ornl at gmail.com<mailto:jdenny.ornl at
gmail.com>>
Sent: Thursday, June 18, 2020 10:54 AM
To: Chris Tetreault <ctetreau at quicinc.com<mailto:ctetreau at
quicinc.com>>
Cc: Sjoerd Meijer <Sjoerd.Meijer at arm.com<mailto:Sjoerd.Meijer at
arm.com>>; llvm-dev at lists.llvm.org<mailto:llvm-dev at
lists.llvm.org>
Subject: [EXT] Re: [llvm-dev] FileCheck
Hi Chris,
On Thu, Jun 18, 2020 at 1:37 PM Chris Tetreault via llvm-dev <llvm-dev at
lists.llvm.org<mailto:llvm-dev at lists.llvm.org>> wrote:
The thing I use normally only shows the first N lines by default (I don’t know
off hand what N is). Honestly, I don’t feel very strongly about the specific
order, but it’s not useful when somebody proposes something on the list, and
nobody voices any dissent (choosing instead to silently oppose the change). My
requests would be:
1. The order should be customizable via command line.
2. By default, it should not dump things to multiple locations. If I ask for
verbose output, I want to get blasted with all the stuff.
3. The most important thing for me personally is to see the input to
filecheck (I realize that this is in conflict with my earlier point. It’s early
and I hadn’t had my coffee ?? ). When I get a failure I want to be able to
reproduce it in an IDE to use a debugger. Any change should not make this use
case harder.
Personally, I do not find the argument that the defaults should be setup to be
best for newcomers to be very compelling; we are talking about changing the
behavior of a non-default option after all.
What do you mean by a "non-default option"? The default of
-dump-input=never was recently changed to -dump-input=fail.
Joel
If just a bare filecheck invocation doesn’t tell a newcomer what they need to
know, then they have to do filecheck -help or google the documentation anyways.
At that point, they are going to customize it however they want. I assume
anybody using filecheck to debug an issue is tech savvy enough to be able to
configure the options, given reasonable documentation.
Thanks,
Christopher Tetreault
From: Sjoerd Meijer <Sjoerd.Meijer at arm.com<mailto:Sjoerd.Meijer at
arm.com>>
Sent: Thursday, June 18, 2020 9:45 AM
To: Chris Tetreault <ctetreau at quicinc.com<mailto:ctetreau at
quicinc.com>>
Cc: llvm-dev at lists.llvm.org<mailto:llvm-dev at lists.llvm.org>
Subject: [EXT] Re: [llvm-dev] FileCheck
I would guess that in a CI system the order doesn't matter much because you
look at a webpage? I looked at some build bots today/yesterday that now also
show this, and yeah, it's fine either way, I was guessing.
My primary use-case is usage in a terminal, and displaying the errors first
followed by all input makes this pretty unusable.
________________________________
From: Chris Tetreault <ctetreau at quicinc.com<mailto:ctetreau at
quicinc.com>>
Sent: 18 June 2020 17:34
To: Sjoerd Meijer <Sjoerd.Meijer at arm.com<mailto:Sjoerd.Meijer at
arm.com>>
Cc: llvm-dev at lists.llvm.org<mailto:llvm-dev at lists.llvm.org>
<llvm-dev at lists.llvm.org<mailto:llvm-dev at lists.llvm.org>>
Subject: RE: [llvm-dev] FileCheck
For anybody viewing these failures through some sort of CI system, showing the
error first then the input file is more useful for the same reasons you
mentioned. Personally, I rarely run filecheck by hand from the command prompt,
so your change would make my life worse. Granted, I’m just one person.
The point I’m trying to make is that I don’t think it’s clear-cut which order is
better, so maybe we shouldn’t change it. I think it might be fine to add an
option to swap the order, but I’d be very sad if it started dumping to some
random file by default.
Thanks,
Christopher Tetreault
From: llvm-dev <llvm-dev-bounces at lists.llvm.org<mailto:llvm-dev-bounces
at lists.llvm.org>> On Behalf Of Sjoerd Meijer via llvm-dev
Sent: Thursday, June 18, 2020 9:16 AM
To: llvm-dev at lists.llvm.org<mailto:llvm-dev at lists.llvm.org>
Subject: [EXT] [llvm-dev] FileCheck
Hello,
I am not sold on FileCheck's new behaviour. For failing tests in verbose
mode, it first dump the actual error messages, followed by the annotated input
file to FileCheck. The result is I can't immediately see error messages if
the input is more than just a few lines long, so I have to scroll all the way up
to see the errors, then down again, etc.
I do see some advantages of dumping the input to FileCheck, but an improvement
for me would be:
* to dump the input first, then followed by the error message, so that I can
the errors first, and then decide to scroll up if I am interested to do so.
* dump it to a separate file (controlled with an option).
I am interested in changing the behaviour, because I think I find setting
environment varibale "FILECHECK_OPTS="--dump-input never""
inconvenient.
My 2 pennies.
Sjoerd.
_______________________________________________
LLVM Developers mailing list
llvm-dev at lists.llvm.org<mailto:llvm-dev at lists.llvm.org>
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
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