diff --git a/src/nouveau/codegen/nv50_ir_from_nir.cpp b/src/nouveau/codegen/nv50_ir_from_nir.cpp
index 27ae9ed5ff8..c5a8c7cddaa 100644
--- a/src/nouveau/codegen/nv50_ir_from_nir.cpp
+++ b/src/nouveau/codegen/nv50_ir_from_nir.cpp
@@ -913,6 +913,12 @@ bool Converter::assignSlots() {
    uint8_t i;
    BITSET_FOREACH_SET(i, nir->info.system_values_read, SYSTEM_VALUE_MAX) {
       switch (i) {
+      case SYSTEM_VALUE_BARYCENTRIC_LINEAR_CENTROID:
+      case SYSTEM_VALUE_BARYCENTRIC_LINEAR_PIXEL:
+      case SYSTEM_VALUE_BARYCENTRIC_LINEAR_SAMPLE:
+      case SYSTEM_VALUE_BARYCENTRIC_PERSP_CENTROID:
+      case SYSTEM_VALUE_BARYCENTRIC_PERSP_PIXEL:
+      case SYSTEM_VALUE_BARYCENTRIC_PERSP_SAMPLE:
       case SYSTEM_VALUE_BASE_GLOBAL_INVOCATION_ID:
          continue;
       default:
@@ -3270,6 +3276,8 @@ Converter::run()
    // Garbage collect dead instructions
    nir_sweep(nir);
 
+   nir_shader_gather_info(nir, nir_shader_get_entrypoint(nir));
+
    if (!parseNIR()) {
       ERROR("Couldn't prase NIR!\n");
       return false;