llvm dev - Oct 2013 - [LLVMdev] basic-arm-instruction tests fail on trunk

This is with Linux on BeagleBone Black (Cortex-A8), regressed recently:


FAIL: LLVM :: MC/ARM/basic-arm-instructions.s (5404 of 8944)
******************** TEST 'LLVM :: MC/ARM/basic-arm-instructions.s'
FAILED
********************
Script:
--
/havana/work/llvm/build/Release+Asserts/bin/llvm-mc
-triple=armv7-apple-darwin -mcpu=cortex-a8 -show-encoding <
/havana/work/llvm/test/MC/ARM/basic-arm-instructions.s |
/havana/work/llvm/build/Release+Asserts/bin/FileCheck
/havana/work/llvm/test/MC/ARM/basic-arm-instructions.s
--
Exit Code: 1

Command Output (stderr):
--
/havana/work/llvm/test/MC/ARM/basic-arm-instructions.s:2935:10: error:
expected string not found in input
@ CHECK: wfi @ encoding: [0x03,0xf0,0x20,0xe3]
         ^
<stdin>:2929:2: note: scanning from here
 sev @ encoding: [0x03,0xf0,0x20,0xe3]
 ^
<stdin>:2935:2: note: possible intended match here
 wfe @ encoding: [0x02,0xf0,0x20,0xe3]
 ^

--

********************
FAIL: LLVM :: MC/ARM/basic-thumb2-instructions.s (5407 of 8944)
******************** TEST 'LLVM :: MC/ARM/basic-thumb2-instructions.s'
FAILED ********************
Script:
--
/havana/work/llvm/build/Release+Asserts/bin/llvm-mc
-triple=thumbv7-apple-darwin -mcpu=cortex-a8 -show-encoding <
/havana/work/llvm/test/MC/ARM/basic-thumb2-instructions.s |
/havana/work/llvm/build/Release+Asserts/bin/FileCheck
/havana/work/llvm/test/MC/ARM/basic-thumb2-instructions.s
--
Exit Code: 1

Command Output (stderr):
--
/havana/work/llvm/test/MC/ARM/basic-thumb2-instructions.s:3609:10: error:
expected string not found in input
@ CHECK: wfi.w @ encoding: [0xaf,0xf3,0x03,0x80]
         ^
<stdin>:3606:2: note: scanning from here
 sev.w @ encoding: [0xaf,0xf3,0x03,0x80]
 ^
<stdin>:3607:2: note: possible intended match here
 wfe.w @ encoding: [0xaf,0xf3,0x02,0x80]
 ^

--

********************
FAIL: LLVM :: MC/Disassembler/ARM/basic-arm-instructions.txt (5656 of 8944)
******************** TEST 'LLVM ::
MC/Disassembler/ARM/basic-arm-instructions.txt' FAILED ********************
Script:
--
/havana/work/llvm/build/Release+Asserts/bin/llvm-mc
-triple=armv7-apple-darwin -mcpu=cortex-a8 -disassemble <
/havana/work/llvm/test/MC/Disassembler/ARM/basic-arm-instructions.txt |
/havana/work/llvm/build/Release+Asserts/bin/FileCheck
/havana/work/llvm/test/MC/Disassembler/ARM/basic-arm-instructions.txt
--
Exit Code: 1

Command Output (stderr):
--
/havana/work/llvm/test/MC/Disassembler/ARM/basic-arm-instructions.txt:2419:10:
error: expected string not found in input
# CHECK: wfi
         ^
<stdin>:811:2: note: scanning from here
 sev
 ^

--

********************

Any ideas?
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On 7 October 2013 18:33, İsmail Dönmez <ismail at donmez.ws> wrote:
> This is with Linux on BeagleBone Black (Cortex-A8), regressed recently:
>
Hi Ismail,

Are you running this regularly? Do you know which commit regressed? Or at
least a window?

Unfortunately, we don't have Cortex-A8 buildbots, but this is something I
want to do, if there is enough interest in the community.

cheers,
--renato
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Hi Renato,


On Tue, Oct 8, 2013 at 3:57 PM, Renato Golin <renato.golin at
linaro.org>wrote:
> On 7 October 2013 18:33, İsmail Dönmez <ismail at donmez.ws> wrote:
>
>> This is with Linux on BeagleBone Black (Cortex-A8), regressed recently:
>>
>
> Hi Ismail,
>
> Are you running this regularly? Do you know which commit regressed? Or at
> least a window?
>
> Unfortunately, we don't have Cortex-A8 buildbots, but this is something
I
> want to do, if there is enough interest in the community.
>
I was using a 1 week old clang to boostrap, switched to gcc and the bug
gone away. Now I'll boostrap again with the new clang to see if the
regression is there or not.

Regards.
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