disable llvm for fragment shaders for now

src/mesa/pipe/softpipe/sp_state_fs.c

@@ -62,11 +62,15 @@ softpipe_create_fs_state(struct pipe_context *pipe,
 
 #ifdef MESA_LLVM
    state->llvm_prog = 0;
+
+#if 0
    if (!gallivm_global_cpu_engine()) {
       gallivm_cpu_engine_create(state->llvm_prog);
    }
    else
       gallivm_cpu_jit_compile(gallivm_global_cpu_engine(), state->llvm_prog);
+#endif
+
 #elif defined(__i386__) || defined(__386__)
    if (softpipe->use_sse) {
       x86_init_func( &state->sse2_program );