[LLVMdev] Test failures with 3.4.1
Tom Stellard
tom at stellard.net
Thu Apr 10 09:28:54 PDT 2014
On Thu, Apr 10, 2014 at 05:05:14PM +0100, Andrea Di Biagio wrote:
> Hi Sylvestre,
>
> I think you are missing revision 195971.
> https://llvm.org/viewvc/llvm-project?view=revision&revision=195971
> That revision changed some tests (all the tests that are failing for
> you) introducing a specific -mcpu flag to constraint the instruction
> selection.
>
> For example, test vec_shift4.ll has been modified by r195971
> introducing flag '-mcpu=corei7'.
> In your case, test vec_shift4.ll fails because it finds an unexpected
> ' vpsllvd' instead of 'pslld'. ' vpsllvd' is AVX2 (which might imply
> that your host is probably AVX2).
>
> In conclusion, in my opinion if you integrate r195971 then all the
> failures should disappear.
>
Thanks for tracking this down, I can backport this patch to the 3.4
branch.
-Tom
> Cheers,
> Andrea
>
> On Thu, Apr 10, 2014 at 4:42 PM, Sylvestre Ledru <sylvestre at debian.org> wrote:
> > On 10/04/2014 16:32, Tom Stellard wrote:
> >> On Wed, Apr 09, 2014 at 06:47:19PM +0200, Sylvestre Ledru wrote:
> >>> Hello,
> >>>
> >>> Trying the 3.4.1 branch, I get following tests failing:
> >>> LLVM :: CodeGen/X86/2009-06-05-VZextByteShort.ll
> >>> LLVM :: CodeGen/X86/fma4-intrinsics-x86_64.ll
> >>> LLVM :: CodeGen/X86/fp-fast.ll
> >>> LLVM :: CodeGen/X86/vec_shift4.ll
> >>> LLVM :: CodeGen/X86/vshift-4.ll
> >>>
> >>> I am testing on a Debian testing 64b.
> >>> Does it ring a bell?
> >>>
> >> Can anyone else reproduce this? These tests pass for me on 64-bit
> >> Fedora. Sylvestre, are you able to post the output from these failing
> >> tests?
> > Sure. Sorry for not doing that sooner.
> >
> > I don't think they are related to any of the patches I apply in the
> > packages:
> >
> > FAIL: LLVM :: CodeGen/X86/2009-06-05-VZextByteShort.ll (3502 of 9333)
> > ******************** TEST 'LLVM ::
> > CodeGen/X86/2009-06-05-VZextByteShort.ll' FAILED ********************
> > Script:
> > --
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/build-llvm/Release/bin/llc
> > <
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/test/CodeGen/X86/2009-06-05-VZextByteShort.ll
> > -march=x86 -mattr=+mmx,+sse2 >
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/build-llvm/test/CodeGen/X86/Output/2009-06-05-VZextByteShort.ll.tmp1
> > grep movzwl
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/build-llvm/test/CodeGen/X86/Output/2009-06-05-VZextByteShort.ll.tmp1
> > |
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/build-llvm/Release/bin/count
> > 2
> > grep movzbl
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/build-llvm/test/CodeGen/X86/Output/2009-06-05-VZextByteShort.ll.tmp1
> > |
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/build-llvm/Release/bin/count
> > 1
> > grep movd
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/build-llvm/test/CodeGen/X86/Output/2009-06-05-VZextByteShort.ll.tmp1
> > |
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/build-llvm/Release/bin/count
> > 4
> > --
> > Exit Code: 1
> >
> > Command Output (stderr):
> > --
> > Expected 2 lines, got 0.
> >
> > --
> >
> > ********************
> > FAIL: LLVM :: CodeGen/X86/fma4-intrinsics-x86_64.ll (4073 of 9333)
> > ******************** TEST 'LLVM ::
> > CodeGen/X86/fma4-intrinsics-x86_64.ll' FAILED ********************
> > Script:
> > --
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/build-llvm/Release/bin/llc
> > <
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/test/CodeGen/X86/fma4-intrinsics-x86_64.ll
> > -mtriple=x86_64-unknown-unknown -march=x86-64 -mattr=+avx,+fma4 |
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/build-llvm/Release/bin/FileCheck
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/test/CodeGen/X86/fma4-intrinsics-x86_64.ll
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/build-llvm/Release/bin/llc
> > <
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/test/CodeGen/X86/fma4-intrinsics-x86_64.ll
> > -mtriple=x86_64-unknown-unknown -mcpu=bdver2 -mattr=+avx,-fma |
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/build-llvm/Release/bin/FileCheck
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/test/CodeGen/X86/fma4-intrinsics-x86_64.ll
> > --
> > Exit Code: 1
> >
> > Command Output (stderr):
> > --
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/test/CodeGen/X86/fma4-intrinsics-x86_64.ll:6:11:
> > error: expected string not found in input
> > ; CHECK: vfmaddss
> > ^
> > <stdin>:1:2: note: scanning from here
> > .file "<stdin>"
> > ^
> > <stdin>:3:22: note: possible intended match here
> > .globl test_x86_fma_vfmadd_ss
> > ^
> >
> > --
> >
> > ********************
> > FAIL: LLVM :: CodeGen/X86/fp-fast.ll (4097 of 9333)
> > ******************** TEST 'LLVM :: CodeGen/X86/fp-fast.ll' FAILED
> > ********************
> > Script:
> > --
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/build-llvm/Release/bin/llc
> > -march=x86-64 -mattr=+avx,-fma4 -mtriple=x86_64-apple-darwin
> > -enable-unsafe-fp-math <
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/test/CodeGen/X86/fp-fast.ll
> > |
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/build-llvm/Release/bin/FileCheck
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/test/CodeGen/X86/fp-fast.ll
> > --
> > Exit Code: 1
> >
> > Command Output (stderr):
> > --
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/test/CodeGen/X86/fp-fast.ll:65:10:
> > error: expected string not found in input
> > ; CHECK: xorps
> > ^
> > <stdin>:78:2: note: scanning from here
> > .align 4, 0x90
> > ^
> > <stdin>:83:3: note: possible intended match here
> > vmovss LCPI5_0(%rip), %xmm1
> > ^
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/test/CodeGen/X86/fp-fast.ll:77:10:
> > error: expected string not found in input
> > ; CHECK: xorps
> > ^
> > <stdin>:95:2: note: scanning from here
> > .align 4, 0x90
> > ^
> > <stdin>:100:3: note: possible intended match here
> > vmovss LCPI6_0(%rip), %xmm1
> > ^
> >
> > --
> >
> > ********************
> > FAIL: LLVM :: CodeGen/X86/vec_shift4.ll (4781 of 9333)
> > ******************** TEST 'LLVM :: CodeGen/X86/vec_shift4.ll' FAILED
> > ********************
> > Script:
> > --
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/build-llvm/Release/bin/llc
> > <
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/test/CodeGen/X86/vec_shift4.ll
> > -march=x86 -mattr=+sse4.1 |
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/build-llvm/Release/bin/FileCheck
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/test/CodeGen/X86/vec_shift4.ll
> > --
> > Exit Code: 1
> >
> > Command Output (stderr):
> > --
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/test/CodeGen/X86/vec_shift4.ll:6:10:
> > error: expected string not found in input
> > ; CHECK: pslld
> > ^
> > <stdin>:1:2: note: scanning from here
> > .file "<stdin>"
> > ^
> > <stdin>:8:3: note: possible intended match here
> > vpsllvd %xmm1, %xmm0, %xmm0
> > ^
> >
> > --
> >
> > ********************
> > FAIL: LLVM :: CodeGen/X86/vshift-4.ll (4843 of 9333)
> > ******************** TEST 'LLVM :: CodeGen/X86/vshift-4.ll' FAILED
> > ********************
> > Script:
> > --
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/build-llvm/Release/bin/llc
> > <
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/test/CodeGen/X86/vshift-4.ll
> > -march=x86 -mattr=+sse2 |
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/build-llvm/Release/bin/FileCheck
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/test/CodeGen/X86/vshift-4.ll
> > --
> > Exit Code: 1
> >
> > Command Output (stderr):
> > --
> > /home/sylvestre/dev/debian/pkg-llvm/llvm-toolchain/branches/llvm-toolchain-3.4-3.4+205824/test/CodeGen/X86/vshift-4.ll:20:10:
> > error: expected string not found in input
> > ; CHECK: shll
> > ^
> > <stdin>:21:10: note: scanning from here
> > shift1b: # @shift1b
> > ^
> > <stdin>:21:13: note: possible intended match here
> > shift1b: # @shift1b
> >
> > _______________________________________________
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