Thanks for reporting that this depends on the host compiler.
I disabled the test again in r353836 and will look into why the output is
different depending on if host cc is gcc or clang.
On Tue, Feb 12, 2019 at 2:40 AM Mikael Holmén <mikael.hol...@ericsson.com>
wrote:
> Same thing for me with our downstream build bots.
>
> When we compile clang with gcc 7.4 and then run the testcase I get this
> output
>
> define dso_local i64 @test__shiftleft128(i64 %l, i64 %h, i8 %d)
> local_unnamed_addr #0 {
> entry:
> %0 = zext i64 %l to i128
> %1 = zext i64 %h to i128
> %2 = shl nuw i128 %1, 64
> %3 = or i128 %2, %0
> %4 = and i8 %d, 63
> %5 = zext i8 %4 to i128
> %6 = shl i128 %3, %5
> %7 = lshr i128 %6, 64
> %8 = trunc i128 %7 to i64
> ret i64 %8
> }
>
> and when I compile clang with clang 3.6 and run the test I get this:
>
> define dso_local i64 @test__shiftleft128(i64 %l, i64 %h, i8 %d)
> local_unnamed_addr #0 {
> entry:
> %0 = zext i64 %h to i128
> %1 = shl nuw i128 %0, 64
> %2 = zext i64 %l to i128
> %3 = or i128 %1, %2
> %4 = and i8 %d, 63
> %5 = zext i8 %4 to i128
> %6 = shl i128 %3, %5
> %7 = lshr i128 %6, 64
> %8 = trunc i128 %7 to i64
> ret i64 %8
> }
>
> /Mikael
>
> On 2/12/19 2:03 AM, Nico Weber via cfe-commits wrote:
> > Thank you for the .ll files!
> >
> > the -4.ll file you sent me contains:
> >
> > define dso_local i64 @"?test__shiftleft128@@YA_K_K0E@Z"(i64 %l, i64 %h,
> > i8 %d) local_unnamed_addr #0 {
> > entry:
> > %0 = zext i64 %h to i128
> > %1 = shl nuw i128 %0, 64
> > %2 = zext i64 %l to i128
> > %3 = or i128 %1, %2
> > %4 = and i8 %d, 63
> > %5 = zext i8 %4 to i128
> > %6 = shl i128 %3, %5
> > %7 = lshr i128 %6, 64
> > %8 = trunc i128 %7 to i64
> > ret i64 %8
> > }
> >
> > On my local system, I get
> >
> > ; Function Attrs: minsize norecurse nounwind optsize readnone
> > define dso_local i64 @test__shiftleft128(i64 %l, i64 %h, i8 %d)
> > local_unnamed_addr #0 {
> > entry:
> > %0 = zext i64 %l to i128
> > %1 = zext i64 %h to i128
> > %2 = shl nuw i128 %1, 64
> > %3 = or i128 %2, %0
> > %4 = and i8 %d, 63
> > %5 = zext i8 %4 to i128
> > %6 = shl i128 %3, %5
> > %7 = lshr i128 %6, 64
> > %8 = trunc i128 %7 to i64
> > ret i64 %8
> > }
> >
> > That's identical except for the order of the instructions (which in turn
> > changes some % numbers).
> >
> > That's surprising to me; I thought LLVM IR is deterministic (and if it
> > wasn't, many other tests wouldn't work either).
> >
> > On Mon, Feb 11, 2019 at 4:20 PM Galina Kistanova <gkistan...@gmail.com
> > <mailto:gkistan...@gmail.com>> wrote:
> >
> > Hello Nico,
> >
> > This builders fail on your test as well -
> >
> http://lab.llvm.org:8011/builders/llvm-clang-x86_64-expensive-checks-win/builds/15736
> ,
> > http://lab.llvm.org:8011/builders/clang-x64-windows-msvc/builds/4242
> .
> >
> > Please find attached the 2 temp files you can use to reliably run
> > against your FileCheck patterns.
> > Hope this would help debugging.
> >
> > Please also notice the warnings each of the RUN command produces.
> > The warnings should be quite easy to reproduce and address.
> >
> > In the mean time, could you revert the change unless you expect the
> > fix coming really soon, please?
> > It is not a good idea to keep the bots red for long.
> >
> > Here is the log:
> >
> ----------------------------------------------------------------------
> >
> >
>
> C:\>c:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.obj\bin\clang.exe
> > -cc1 -internal-isystem
> >
>
> c:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.obj\lib\clang\9.0.0\include
> > -nostdsysteminc -ffreestanding -fms-extensions -fms-compatibility
> > -fms-compatibility-version=17.00 -triple i686--windows -Oz
> > -emit-llvm
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c
> > -o - > \tmp-1\ms-x86-intrinsics-1.ll
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:10:10:
> > warning: implicitly declaring library function '__readfsbyte' with
> > type 'unsigned char (unsigned long)'
> > return __readfsbyte(++Offset);
> > ^
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:10:10:
> > note: include the header <intrin.h> or explicitly provide a
> > declaration for '__readfsbyte'
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:19:10:
> > warning: implicitly declaring library function '__readfsword' with
> > type 'unsigned short (unsigned long)'
> > return __readfsword(++Offset);
> > ^
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:19:10:
> > note: include the header <intrin.h> or explicitly provide a
> > declaration for '__readfsword'
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:28:10:
> > warning: implicitly declaring library function '__readfsdword' with
> > type 'unsigned long (unsigned long)'
> > return __readfsdword(++Offset);
> > ^
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:28:10:
> > note: include the header <intrin.h> or explicitly provide a
> > declaration for '__readfsdword'
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:37:10:
> > warning: implicitly declaring library function '__readfsqword' with
> > type 'unsigned long long (unsigned long)'
> > return __readfsqword(++Offset);
> > ^
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:37:10:
> > note: include the header <intrin.h> or explicitly provide a
> > declaration for '__readfsqword'
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:47:10:
> > warning: implicitly declaring library function '__emul' with type
> > 'long long (int, int)'
> > return __emul(a, b);
> > ^
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:47:10:
> > note: include the header <intrin.h> or explicitly provide a
> > declaration for '__emul'
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:56:10:
> > warning: implicitly declaring library function '__emulu' with type
> > 'unsigned long long (unsigned int, unsigned int)'
> > return __emulu(a, b);
> > ^
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:56:10:
> > note: include the header <intrin.h> or explicitly provide a
> > declaration for '__emulu'
> > 6 warnings generated.
> >
> >
> -----------------------------------------------------------------------
> >
> >
>
> C:\>c:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.obj\bin\clang.exe
> > -cc1 -internal-isystem
> >
>
> c:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.obj\lib\clang\9.0.0\include
> > -nostdsysteminc -ffreestanding -fms-extensions -fms-compatibility
> > -fms-compatibility-version=17.00 -triple x86_64--windows
> > -Oz -emit-llvm
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c
> > -o - > \tmp-1\ms-x86-intrinsics-4.ll
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:47:10:
> > warning: implicitly declaring library function '__emul' with type
> > 'long long (int, int)'
> > return __emul(a, b);
> > ^
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:47:10:
> > note: include the header <intrin.h> or explicitly provide a
> > declaration for '__emul'
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:56:10:
> > warning: implicitly declaring library function '__emulu' with type
> > 'unsigned long long (unsigned int, unsigned int)'
> > return __emulu(a, b);
> > ^
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:56:10:
> > note: include the header <intrin.h> or explicitly provide a
> > declaration for '__emulu'
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:67:10:
> > warning: implicitly declaring library function '__readgsbyte' with
> > type 'unsigned char (unsigned long)'
> > return __readgsbyte(++Offset);
> > ^
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:67:10:
> > note: include the header <intrin.h> or explicitly provide a
> > declaration for '__readgsbyte'
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:77:10:
> > warning: implicitly declaring library function '__readgsword' with
> > type 'unsigned short (unsigned long)'
> > return __readgsword(++Offset);
> > ^
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:77:10:
> > note: include the header <intrin.h> or explicitly provide a
> > declaration for '__readgsword'
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:87:10:
> > warning: implicitly declaring library function '__readgsdword' with
> > type 'unsigned long (unsigned long)'
> > return __readgsdword(++Offset);
> > ^
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:87:10:
> > note: include the header <intrin.h> or explicitly provide a
> > declaration for '__readgsdword'
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:97:10:
> > warning: implicitly declaring library function '__readgsqword' with
> > type 'unsigned long long (unsigned long)'
> > return __readgsqword(++Offset);
> > ^
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:97:10:
> > note: include the header <intrin.h> or explicitly provide a
> > declaration for '__readgsqword'
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:107:10:
> > warning: implicitly declaring library function '__mulh' with type
> > 'long long (long long, long long)'
> > return __mulh(a, b);
> > ^
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:107:10:
> > note: include the header <intrin.h> or explicitly provide a
> > declaration for '__mulh'
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:113:10:
> > warning: implicitly declaring library function '__umulh' with type
> > 'unsigned long long (unsigned long long, unsigned long long)'
> > return __umulh(a, b);
> > ^
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:113:10:
> > note: include the header <intrin.h> or explicitly provide a
> > declaration for '__umulh'
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:121:10:
> > warning: implicitly declaring library function '_mul128' with type
> > 'long long (long long, long long, long long *)'
> > return _mul128(Multiplier, Multiplicand, HighProduct);
> > ^
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:121:10:
> > note: include the header <intrin.h> or explicitly provide a
> > declaration for '_mul128'
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:133:10:
> > warning: implicitly declaring library function '_umul128' with type
> > 'unsigned long long (unsigned long long, unsigned long long,
> > unsigned long long *)'
> > return _umul128(Multiplier, Multiplicand, HighProduct);
> > ^
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:133:10:
> > note: include the header <intrin.h> or explicitly provide a
> > declaration for '_umul128'
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:144:10:
> > warning: implicitly declaring library function '__shiftleft128' with
> > type 'unsigned long long (unsigned long long, unsigned long long,
> > unsigned char)'
> > return __shiftleft128(l, h, d);
> > ^
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:144:10:
> > note: include the header <intrin.h> or explicitly provide a
> > declaration for '__shiftleft128'
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:159:10:
> > warning: implicitly declaring library function '__shiftright128'
> > with type 'unsigned long long (unsigned long long, unsigned long
> > long, unsigned char)'
> > return __shiftright128(l, h, d);
> > ^
> >
>
> C:\ps4-buildslave2\llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast\llvm.src\tools\clang\test\CodeGen\ms-x86-intrinsics.c:159:10:
> > note: include the header <intrin.h> or explicitly provide a
> > declaration for '__shiftright128'
> > 12 warnings generated.
> >
> > Thanks
> >
> > Galina
> >
> >
> > On Mon, Feb 11, 2019 at 12:10 PM Nico Weber <tha...@chromium.org
> > <mailto:tha...@chromium.org>> wrote:
> >
> > This still didn't help.
> >
> > I can't repro the failures
> > onhttp://
> lab.llvm.org:8011/builders/llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast
> > <
> http://lab.llvm.org:8011/builders/llvm-clang-lld-x86_64-scei-ps4-windows10pro-fast
> >
> > , I tried Rel+Asserts and Rel-Asserts builds. Can anyone else
> > repro this?
> >
> > On Mon, Feb 11, 2019 at 1:01 PM Nico Weber via cfe-commits
> > <cfe-commits@lists.llvm.org <mailto:cfe-commits@lists.llvm.org>>
> > wrote:
> >
> > Author: nico
> > Date: Mon Feb 11 10:01:27 2019
> > New Revision: 353729
> >
> > URL: http://llvm.org/viewvc/llvm-project?rev=353729&view=rev
> > Log:
> > Attempt to pacify bots more after r353718 and r353725
> >
> > Modified:
> > cfe/trunk/test/CodeGen/ms-x86-intrinsics.c
> >
> > Modified: cfe/trunk/test/CodeGen/ms-x86-intrinsics.c
> > URL:
> >
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/ms-x86-intrinsics.c?rev=353729&r1=353728&r2=353729&view=diff
> >
>
> ==============================================================================
> > --- cfe/trunk/test/CodeGen/ms-x86-intrinsics.c (original)
> > +++ cfe/trunk/test/CodeGen/ms-x86-intrinsics.c Mon Feb 11
> > 10:01:27 2019
> > @@ -145,9 +145,9 @@ unsigned __int64 test__shiftleft128(unsi
> > }
> > // CHECK-X64-LABEL: define dso_local i64
> > @test__shiftleft128(i64 %l, i64 %h, i8 %d)
> > // CHECK-X64: = zext i64 %{{.*}} to i128
> > -// CHECK-X64: = shl nuw i128 %0, 64
> > +// CHECK-X64: = shl nuw i128 %{{.*}}, 64
> > // CHECK-X64: = zext i64 %{{.*}} to i128
> > -// CHECK-X64: = or i128 %{{.*}}, %{{.*}}
> > +// CHECK-X64: = or i128 %
> > // CHECK-X64: = and i8 %{{.*}}, 63
> > // CHECK-X64: = shl i128 %
> > // CHECK-X64: = lshr i128 %
> > @@ -160,7 +160,7 @@ unsigned __int64 test__shiftright128(uns
> > }
> > // CHECK-X64-LABEL: define dso_local i64
> > @test__shiftright128(i64 %l, i64 %h, i8 %d)
> > // CHECK-X64: = zext i64 %{{.*}} to i128
> > -// CHECK-X64: = shl nuw i128 %
> > +// CHECK-X64: = shl nuw i128 %{{.*}}, 64
> > // CHECK-X64: = zext i64 %{{.*}} to i128
> > // CHECK-X64: = or i128 %
> > // CHECK-X64: = and i8 %{{.*}}, 63
> >
> >
> > _______________________________________________
> > cfe-commits mailing list
> > cfe-commits@lists.llvm.org <mailto:
> cfe-commits@lists.llvm.org>
> > https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
> >
> >
> > _______________________________________________
> > cfe-commits mailing list
> > cfe-commits@lists.llvm.org
> > https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
> >
>
>
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