[Libclc-dev] build error

[Jeroen Ketema]

> On 27 Apr 2015, at 14:19, Tom Stellard <tom at stellard.net> wrote:
> 
> On Sun, Apr 26, 2015 at 12:01:32PM +0200, EdB wrote:
>> On Saturday 25 April 2015 13:01:02 Frank Mori Hess wrote:
>>> Changing the line to
>>> 
>>> %disable = load i1* @__CLC_SUBNORMAL_DISABLE
>>> 
>>> fixes compile with llvm 3.6.  It appears you are using the load syntax
>>> for llvm 3.7.  Is llvm 3.7 the version I am supposed to use?  The
>>> configure.py script still seems to check for 3.6.
>> 
>> According http://llvm.org/viewvc/llvm-project?view=revision&revision=225041
>> ---
>> Require LLVM 3.6 and bump version to 0.1.0
>> 
>> Some functions are implemented using hand-written LLVM IR, and
>> LLVM assembly format is allowed to change between versions, so we
>> should require a specific version of LLVM.
> 
> I think the problem is that the newly added code only works with LLVM 3.7+
> Prior to that ToT libclc worked with 3.6 an 3.7.

In that case could we make a branch for the last known good commit for 3.6
(like we did for 3.5), and update configure to require 3.7?

Jeroen

> 
> -Tom
> 
>> ---
>> 
>> libclc require LLVM 3.6. Version 3.7 should not work, there is a bug here. I 
>> should have send the patch long ago.
>> 
>> Regarding the load syntax, I don't know enough on that point
>> 
>>> 
>>> On Mon, Apr 20, 2015 at 5:47 PM, Frank Mori Hess <fmh6jj at gmail.com> wrote:
>>>> Hi, I get the following build error when trying to make libclc (svn
>>>> revision 235353):
>>>> 
>>>> $ make
>>>> LLVM-AS generic--/lib/subnormal_disable.bc
>>>> LLVM-AS generic--/lib/subnormal_use_default.bc
>>>> LLVM-CC nvptx--nvidiacl/lib/synchronization/barrier.cl.bc
>>>> LLVM-CC nvptx--nvidiacl/lib/workitem/get_group_id.cl.bc
>>>> LLVM-CC nvptx--nvidiacl/lib/workitem/get_local_id.cl.bc
>>>> LLVM-CC nvptx--nvidiacl/lib/workitem/get_local_size.cl.bc
>>>> LLVM-CC nvptx--nvidiacl/lib/workitem/get_num_groups.cl.bc
>>>> LLVM-AS nvptx--nvidiacl/lib/integer/add_sat.ll.bc
>>>> LLVM-AS nvptx--nvidiacl/lib/integer/sub_sat.ll.bc
>>>> LLVM-CC nvptx--nvidiacl/lib/subnormal_config.cl.bc
>>>> LLVM-AS nvptx--nvidiacl/lib/subnormal_helper_func.ll.bc
>>>> /home/fhess/install/llvm/bin/llvm-as:
>>>> ./generic/lib/subnormal_helper_func.ll:4:21: error: expected value
>>>> token
>>>> 
>>>>  %disable = load i1, i1* @__CLC_SUBNORMAL_DISABLE
>>>> 
>>>>                    ^
>>>> 
>>>> make: *** [nvptx--nvidiacl/lib/subnormal_helper_func.ll.bc] Error 1
>>>> 
>>>> --
>>>> Frank
>> 
>> 
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