[llvm] cd9142e - DebugInfo: Generalize test/DebugInfo/X86/convert-linked.ll to run with different architectures

[Petr Hosek via llvm-commits]

We're seeing the same failure on our AArch64 bots:
https://logs.chromium.org/logs/fuchsia/buildbucket/cr-buildbucket.appspot.com/8889258727239787472/+/steps/clang/0/steps/test/0/stdout

On Wed, Feb 5, 2020 at 6:46 AM John Brawn via llvm-commits <
llvm-commits at lists.llvm.org> wrote:

> Also, despite these tests now using the host triple they only get run when
> the
> X86 target is built (because test/DebugInfo/X86/lit.local.cfg makes them
> unsupported when it's not), so these failures aren't showing up in the
> AArch64
> buildbots (e.g.
> http://lab.llvm.org:8011/builders/clang-cmake-aarch64-quick)
> because they don't build the X86 target.
>
> John
>
> > -----Original Message-----
> > From: llvm-commits [mailto:llvm-commits-bounces at lists.llvm.org] On
> > Behalf Of John Brawn via llvm-commits
> > Sent: 05 February 2020 14:28
> > To: David Blaikie
> > Cc: llvm-commits at lists.llvm.org
> > Subject: RE: [llvm] cd9142e - DebugInfo: Generalize
> > test/DebugInfo/X86/convert-linked.ll to run with different architectures
> >
> > This test, and convert-debugloc test from commit
> > efcd3967a6bf6b66e04e40129104d0b65ba453d2,
> > are now failing on AArch64:
> >
> > llvm/test/DebugInfo/X86/convert-linked.ll:5:15: error: CHECK-NEXT:
> > expected string not found in input
> > ; CHECK-NEXT: DW_ATE_signed_8
> >               ^
> > <stdin>:43:2: note: scanning from here
> >  DW_AT_name ("signed char")
> >  ^
> > <stdin>:44:18: note: possible intended match here
> >  DW_AT_encoding (DW_ATE_signed_char)
> >                  ^
> >
> > I think this is due to AArch64 using GlobalISel at -O0: looking at the
> > llc debug
> > output, the location information in DBG_VALUE ends up being $noreg  for
> > some reason
> > so no DW_AT_location is emitted. Changing to -O1 makes the failure go
> > away (though I
> > don’t know if that's the right way to fix the test).
> >
> > John
> >
> > > -----Original Message-----
> > > From: llvm-commits [mailto:llvm-commits-bounces at lists.llvm.org] On
> > > Behalf Of David Blaikie via llvm-commits
> > > Sent: 05 February 2020 02:03
> > > To: llvm-commits at lists.llvm.org
> > > Subject: [llvm] cd9142e - DebugInfo: Generalize
> > > test/DebugInfo/X86/convert-linked.ll to run with different
> > architectures
> > >
> > >
> > > Author: David Blaikie
> > > Date: 2020-02-04T18:02:03-08:00
> > > New Revision: cd9142ed8a46e3ffa199176a5f447fc1a4e1c4d1
> > >
> > > URL: https://github.com/llvm/llvm-
> > > project/commit/cd9142ed8a46e3ffa199176a5f447fc1a4e1c4d1
> > > DIFF: https://github.com/llvm/llvm-
> > > project/commit/cd9142ed8a46e3ffa199176a5f447fc1a4e1c4d1.diff
> > >
> > > LOG: DebugInfo: Generalize test/DebugInfo/X86/convert-linked.ll to run
> > > with different architectures
> > >
> > > Added:
> > >
> > >
> > > Modified:
> > >     llvm/test/DebugInfo/X86/convert-linked.ll
> > >
> > > Removed:
> > >
> > >
> > >
> > >
> > ########################################################################
> > > ########
> > > diff  --git a/llvm/test/DebugInfo/X86/convert-linked.ll
> > > b/llvm/test/DebugInfo/X86/convert-linked.ll
> > > index 8d277d8649e1..1f27d3f74053 100644
> > > --- a/llvm/test/DebugInfo/X86/convert-linked.ll
> > > +++ b/llvm/test/DebugInfo/X86/convert-linked.ll
> > > @@ -1,4 +1,4 @@
> > > -; RUN: llc -filetype=obj -O0 < %s | llvm-dwarfdump - | FileCheck %s
> > > +; RUN: %llc_dwarf -filetype=obj -O0 < %s | llvm-dwarfdump - |
> > FileCheck
> > > %s
> > >
> > >  ; CHECK: DW_TAG_compile_unit
> > >  ; CHECK: [[CU0BT0:0x[0-9a-f]+]]: DW_TAG_base_type
> > > @@ -16,11 +16,6 @@
> > >  ; CHECK: DW_TAG_variable
> > >  ; CHECK: DW_OP_convert ([[CU1BT0]]) "DW_ATE_signed_8", DW_OP_convert
> > > ([[CU1BT1]]) "DW_ATE_signed_16"
> > >
> > > -; ModuleID = 'llvm-link'
> > > -source_filename = "llvm-link"
> > > -target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
> > > -target triple = "x86_64-unknown-linux-gnu"
> > > -
> > >  define dso_local signext i8 @foo(i8 signext %x) !dbg !9 {
> > >  entry:
> > >    call void @llvm.dbg.value(metadata i8 %x, metadata !13, metadata
> > > !DIExpression()), !dbg !14
> > >
> > >
> > >
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