draw: (trivial) don't print the shader twice with GALLIVM_DEBUG=tgsi (or ir)

Neither the shader nor the key change when doing elts or linear variant, so
this was just annoying (probably mildly useful at some point when we printed
the IR per function too).

Reviewed-by: Jose Fonseca <jfonseca@vmware.com>

src/gallium/auxiliary/draw/draw_llvm.c

@@ -562,6 +562,11 @@ draw_llvm_create_variant(struct draw_llvm *llvm,
 
    memcpy(&variant->key, key, shader->variant_key_size);
 
+   if (gallivm_debug & (GALLIVM_DEBUG_TGSI | GALLIVM_DEBUG_IR)) {
+      tgsi_dump(llvm->draw->vs.vertex_shader->state.tokens, 0);
+      draw_llvm_dump_variant_key(&variant->key);
+   }
+
    vertex_header = create_jit_vertex_header(variant->gallivm, num_inputs);
 
    variant->vertex_header_ptr_type = LLVMPointerType(vertex_header, 0);
@@ -606,11 +611,6 @@ generate_vs(struct draw_llvm_variant *variant,
    LLVMValueRef num_consts_ptr =
       draw_jit_context_num_vs_constants(variant->gallivm, context_ptr);
 
-   if (gallivm_debug & (GALLIVM_DEBUG_TGSI | GALLIVM_DEBUG_IR)) {
-      tgsi_dump(tokens, 0);
-      draw_llvm_dump_variant_key(&variant->key);
-   }
-
    lp_build_tgsi_soa(variant->gallivm,
                      tokens,
                      vs_type,