[LLVMdev] JIT support for inline asm on Linux

[Ashok Nalkund]

Resending, any pointers are much appreciated.

On 5/7/2012 11:16 PM, Ashok Nalkund wrote:
>
>
> On 5/7/2012 10:17 PM, Bendersky, Eli wrote:
> <snip>
>>>> $lli -entry-function="ISimEngine_GetVersion" -use-mcjit libengine.bc
>>>> LLVM ERROR: Inline asm not supported by this streamer because we don't
>>>> have an asm parser for this target
>>>
>>> I also tried other variations of the call with the same result:
>>>> $lli -entry-function="ISimEngine_GetVersion" -use-mcjit -mattr=+avx
>>>> -mcpu=corei7-avx libengine.bc
>>>
>>> I updated my program looking at lli.cpp and it also gave the same
>>> error as
>>> above. The info from lli --version is below:
>>>
>>>> $lli --version
>>>> LLVM (http://llvm.org/):
>>>> LLVM version 3.2svn
>>>> Optimized build with assertions.
>>>> Built May 7 2012 (10:54:43).
>>>> Default target: x86_64-unknown-linux-gnu
>>>> Host CPU: corei7-avx
>>>
>>> Any pointers? I saw another thread "Trouble using the MCJIT: "Target
>>> does
>>> not support MC emission" error" but that didnt seem to have positive
>>> ending.
>>>
>>
>> Sorry, I'm not familiar with these parts (ASM parsing in MC). Perhaps
>> someone else could help here. I wonder, though, did you manage to get
>> some code running without inline ASM?
>> Eli
>
> I tried the attached program, compiled with clang and used lli to run it:
> clang -cc1 -O0 -g -emit-llvm test.c
> lli -use-mcjit test.ll
>
> The lli prints out what looks like binary data. If I remove the inline
> asm from the program, it works fine.
>
> TIA,
> Ashok
>
>
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