Remove unused variables in subgroup tests (#1460)

Signed-off-by: Stuart Brady <stuart.brady@arm.com>

test_conformance/subgroups/subgroup_common_templates.h

@@ -481,7 +481,7 @@ template <typename Ty, ShuffleOp operation> struct SHF
 
     static void gen(Ty *x, Ty *t, cl_int *m, const WorkGroupParams &test_params)
     {
-        int i, ii, j, k, n, delta;
+        int i, ii, j, k, n;
         cl_uint l;
         int nw = test_params.local_workgroup_size;
         int ns = test_params.subgroup_size;

test_conformance/subgroups/subhelpers.h

@@ -1496,7 +1496,6 @@ template <typename Ty, typename Fns, size_t TSIZE = 0> struct test
         size_t tmp;
         cl_int error;
         int subgroup_size, num_subgroups;
-        size_t realSize;
         size_t global = test_params.global_workgroup_size;
         size_t local = test_params.local_workgroup_size;
         clProgramWrapper program;

test_conformance/subgroups/test_barrier.cpp

@@ -79,7 +79,6 @@ template <int Which> struct BAR
         int ng = test_params.global_workgroup_size;
         int nj = (nw + ns - 1) / ns;
         ng = ng / nw;
-        int e;
 
         ii = 0;
         for (k = 0; k < ng; ++k)

test_conformance/subgroups/test_subgroup.cpp

@@ -134,23 +134,6 @@ template <NonUniformVoteOp operation> struct AA
     }
 };
 
-static const char *any_source = "__kernel void test_any(const __global Type "
-                                "*in, __global int4 *xy, __global Type *out)\n"
-                                "{\n"
-                                "    int gid = get_global_id(0);\n"
-                                "    XY(xy,gid);\n"
-                                "    out[gid] = sub_group_any(in[gid]);\n"
-                                "}\n";
-
-static const char *all_source = "__kernel void test_all(const __global Type "
-                                "*in, __global int4 *xy, __global Type *out)\n"
-                                "{\n"
-                                "    int gid = get_global_id(0);\n"
-                                "    XY(xy,gid);\n"
-                                "    out[gid] = sub_group_all(in[gid]);\n"
-                                "}\n";
-
-
 template <typename T>
 int run_broadcast_scan_reduction_for_type(RunTestForType rft)
 {

test_conformance/subgroups/test_subgroup_ballot.cpp

@@ -190,14 +190,13 @@ template <typename Ty, BallotOp operation> struct BALLOT_BIT_EXTRACT
 
     static void gen(Ty *x, Ty *t, cl_int *m, const WorkGroupParams &test_params)
     {
-        int wi_id, sb_id, wg_id, l;
+        int wi_id, sb_id, wg_id;
         int gws = test_params.global_workgroup_size;
         int lws = test_params.local_workgroup_size;
         int sbs = test_params.subgroup_size;
         int sb_number = (lws + sbs - 1) / sbs;
         int wg_number = gws / lws;
         int limit_sbs = sbs > 100 ? 100 : sbs;
-        int non_uniform_size = gws % lws;
 
         for (wg_id = 0; wg_id < wg_number; ++wg_id)
         { // for each work_group
@@ -235,7 +234,7 @@ template <typename Ty, BallotOp operation> struct BALLOT_BIT_EXTRACT
     static test_status chk(Ty *x, Ty *y, Ty *mx, Ty *my, cl_int *m,
                            const WorkGroupParams &test_params)
     {
-        int wi_id, wg_id, l, sb_id;
+        int wi_id, wg_id, sb_id;
         int gws = test_params.global_workgroup_size;
         int lws = test_params.local_workgroup_size;
         int sbs = test_params.subgroup_size;
@@ -351,10 +350,6 @@ template <typename Ty, BallotOp operation> struct BALLOT_INVERSE
 
     static void gen(Ty *x, Ty *t, cl_int *m, const WorkGroupParams &test_params)
     {
-        int gws = test_params.global_workgroup_size;
-        int lws = test_params.local_workgroup_size;
-        int sbs = test_params.subgroup_size;
-        int non_uniform_size = gws % lws;
         // no work here
     }
 
@@ -398,9 +393,6 @@ template <typename Ty, BallotOp operation> struct BALLOT_INVERSE
                 {
                     current_sbs = wg_offset + sbs > lws ? lws - wg_offset : sbs;
                 }
-                // take index of array where info which work_item will
-                // be broadcast its value is stored
-                int midx = 4 * wg_offset + 2;
                 // take subgroup local id of this work_item
                 // Check result
                 for (wi_id = 0; wi_id < current_sbs; ++wi_id)
@@ -461,7 +453,6 @@ template <typename Ty, BallotOp operation> struct BALLOT_COUNT_SCAN_FIND
         {
             wg_number++;
         }
-        int e;
         for (wg_id = 0; wg_id < wg_number; ++wg_id)
         { // for each work_group
             if (non_uniform_size && wg_id == wg_number - 1)
@@ -683,7 +674,7 @@ template <typename Ty, BallotOp operation> struct SMASK
 
     static void gen(Ty *x, Ty *t, cl_int *m, const WorkGroupParams &test_params)
     {
-        int wi_id, wg_id, l, sb_id;
+        int wi_id, wg_id, sb_id;
         int gws = test_params.global_workgroup_size;
         int lws = test_params.local_workgroup_size;
         int sbs = test_params.subgroup_size;

test_conformance/subgroups/test_subgroup_clustered_reduce.cpp

@@ -102,7 +102,6 @@ template <typename Ty, ArithmeticOp operation> struct RED_CLU
             {
                 int ii = j * ns;
                 int n = ii + ns > nw ? nw - ii : ns;
-                int midx = 4 * ii + 2;
                 std::vector<Ty> clusters_results;
                 int clusters_counter = ns / test_params.cluster_size;
                 clusters_results.resize(clusters_counter);