Fix wrong global size

src/module.cpp

@@ -22,6 +22,8 @@
 namespace migraphx {
 inline namespace MIGRAPHX_INLINE_NS {
 
+MIGRAPHX_DECLARE_ENV_VAR(MIGRAPHX_TRACE_FINALIZE)
+
 struct module_impl
 {
     // A list is used to keep references to an instruction stable
@@ -553,8 +555,14 @@ instruction_ref module::find_dangling_reference() const
 
 void module::finalize(context& ctx)
 {
+    const bool trace = enabled(MIGRAPHX_TRACE_FINALIZE{});
     for(auto ins : iterator_for(*this))
     {
+        if (trace)
+        {
+            std::cout << "Finalize: ";
+            this->debug_print(ins);
+        }
         ins->finalize(ctx);
         for(const auto& smod : ins->module_inputs())
         {

src/targets/gpu/compile_gen.cpp

@@ -30,7 +30,7 @@ vectorize vectorize::elements(std::size_t axis, const std::vector<shape>& inputs
                        auto len    = input.lens()[axis];
                        if(stride != 0 and stride != 1)
                            return 1;
-                       if(len == 1)
+                       if(len == 1 and input.elements() > sizes.front())
                            return sizes.front();
                        auto it = std::find_if(
                            sizes.begin(), sizes.end(), [&](auto i) { return (len % i) == 0; });

src/targets/gpu/compile_hip_code_object.cpp

@@ -129,6 +129,10 @@ std::size_t compute_block_size(std::size_t n, std::size_t max_block_size)
 
 operation compile_hip_code_object(const std::string& content, hip_compile_options options)
 {
+    assert(options.global > 0);
+    assert(options.local > 0);
+    assert(options.inputs.size() > 0);
+    assert(options.inputs.size() == options.virtual_inputs.size() or options.virtual_inputs.empty());
     std::vector<src_file> srcs;
     std::transform(migraphx_kernels().begin(),
                    migraphx_kernels().end(),

src/targets/gpu/kernel.cpp

@@ -59,6 +59,8 @@ void launch_kernel(hipFunction_t fun,
                    void* kernargs,
                    std::size_t size)
 {
+    assert(global > 0);
+    assert(local > 0);
     void* config[] = {
 // HIP_LAUNCH_PARAM_* are macros that do horrible things
 #ifdef MIGRAPHX_USE_CLANG_TIDY