LLVMValueRef ind = lp_build_const_int32(gallivm, i);
LLVMValueRef prims_emitted =
LLVMBuildExtractElement(builder, emitted_prims_vec, ind, "");
LLVMValueRef ind = lp_build_const_int32(gallivm, i);
LLVMValueRef prims_emitted =
LLVMBuildExtractElement(builder, emitted_prims_vec, ind, "");