[Libclc-dev] build error

[Tom Stellard]

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.

-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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