radv: dump LLVM IR when a hang is detected

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

src/amd/vulkan/radv_debug.c

@@ -508,6 +508,7 @@ radv_dump_shader(struct radv_pipeline *pipeline,
 		nir_print_shader(shader->nir, f);
 	}
 
+	fprintf(f, "LLVM IR:\n%s\n", shader->llvm_ir_string);
 	fprintf(f, "DISASM:\n%s\n", shader->disasm_string);
 
 	radv_shader_dump_stats(pipeline->device, shader, stage, f);