[Bug 55256] r600g R600_LLVM=1 bad rendering (light blue instead of grey)

https://bugs.freedesktop.org/show_bug.cgi?id=55256

--- Comment #6 from Török Edwin edwin+mesa@etorok.net --- Created attachment 67624 --> https://bugs.freedesktop.org/attachment.cgi?id=67624&action=edit bug.shader_test

A small piglit .shader_test that reproduces the bug: $ bin/shader_runner -auto bug.shader_test Probe at (0,0) Expected: 0.500000 0.500000 0.500000 1.000000 Observed: 0.501961 1.000000 1.000000 1.000000 PIGLIT: {'result': 'fail' }

$ R600_LLVM=0 bin/shader_runner -auto bug.shader_test PIGLIT: {'result': 'pass' } $ LIBGL_ALWAYS_SOFTWARE=1 bin/shader_runner -auto bug.shader_test PIGLIT: {'result': 'pass' }