draw/llvm: add some extra debugging output

when dumping shader outputs it's nice to have the integer
values of the outputs, in particular because some values
are integers.

Signed-off-by: Zack Rusin <zackr@vmware.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Reviewed-by: Jose Fonseca <jfonseca@vmware.com>

src/gallium/auxiliary/draw/draw_llvm.c

@@ -977,6 +977,12 @@ convert_to_aos(struct gallivm_state *gallivm,
                             LLVMConstInt(LLVMInt32TypeInContext(gallivm->context),
                                          chan, 0));
             lp_build_print_value(gallivm, "val = ", out);
+            {
+               LLVMValueRef iv =
+                  LLVMBuildBitCast(builder, out, lp_build_int_vec_type(gallivm, soa_type), "");
+               
+               lp_build_print_value(gallivm, "  ival = ", iv);
+            }
 #endif
             soa[chan] = out;
          }