nir/info: Get rid of uses_interp_var_at_offset

We were using this briefly in the i965 driver to trigger recompiles but we
haven't been using it since we switched to the NIR y-transform lowering
pass.

Signed-off-by: Jason Ekstrand <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>

3 files changed, 0 insertions, 10 deletions

diff --git a/src/compiler/glsl/glsl_to_nir.cpp b/src/compiler/glsl/glsl_to_nir.cpp
index 63a2cfdb8b9..daf237eee6b 100644
--- a/src/compiler/glsl/glsl_to_nir.cpp
+++ b/src/compiler/glsl/glsl_to_nir.cpp
@@ -1284,9 +1284,6 @@ nir_visitor::visit(ir_expression *ir)
           intrin->intrinsic == nir_intrinsic_interp_var_at_sample)
          intrin->src[0] = nir_src_for_ssa(evaluate_rvalue(ir->operands[1]));
 
-      if (intrin->intrinsic == nir_intrinsic_interp_var_at_offset)
-         shader->info.uses_interp_var_at_offset = true;
-
       unsigned bit_size =  glsl_get_bit_size(deref->type);
       add_instr(&intrin->instr, deref->type->vector_elements, bit_size);
 
diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
index 3f9309c04dd..ec7b0c7726d 100644
--- a/src/compiler/nir/nir.h
+++ b/src/compiler/nir/nir.h
@@ -1723,9 +1723,6 @@ typedef struct nir_shader_info {
    /* Whether or not this shader ever uses textureGather() */
    bool uses_texture_gather;
 
-   /** Whether or not this shader uses nir_intrinsic_interp_var_at_offset */
-   bool uses_interp_var_at_offset;
-
    /* Whether or not this shader uses the gl_ClipDistance output */
    bool uses_clip_distance_out;
 
diff --git a/src/compiler/nir/nir_gather_info.c b/src/compiler/nir/nir_gather_info.c
index 15a9a4f08b4..2d6efd55a68 100644
--- a/src/compiler/nir/nir_gather_info.c
+++ b/src/compiler/nir/nir_gather_info.c
@@ -57,10 +57,6 @@ gather_intrinsic_info(nir_intrinsic_instr *instr, nir_shader *shader)
       shader->info.gs.uses_end_primitive = 1;
       break;
 
-   case nir_intrinsic_interp_var_at_offset:
-      shader->info.uses_interp_var_at_offset = 1;
-      break;
-
    default:
       break;
    }