add one more test for the adjust allocation pass

test/gpu/adjust_allocation.cpp

+#include <migraphx/gpu/adjust_allocation.hpp>
+#include <migraphx/gpu/target.hpp>
+#include <migraphx/gpu/lowering.hpp>
+#include <migraphx/gpu/context.hpp>
+#include <migraphx/dead_code_elimination.hpp>
+#include <migraphx/auto_contiguous.hpp>
+#include <migraphx/eliminate_contiguous.hpp>
+#include <migraphx/iterator_for.hpp>
+#include <migraphx/op/add.hpp>
+#include <migraphx/op/transpose.hpp>
+#include <migraphx/instruction.hpp>
+#include <migraphx/pass_manager.hpp>
+#include <migraphx/op/tanh.hpp>
+#include <basic_ops.hpp>
+#include <test.hpp>
+
+struct lowering_target
+{
+    std::string name() const { return "gpu::lowering"; }
+    std::vector<migraphx::pass> get_passes(migraphx::context& gctx) const
+    {
+        auto& ctx = migraphx::any_cast<migraphx::gpu::context>(gctx);
+        return {migraphx::auto_contiguous{}, migraphx::gpu::lowering{ctx}, migraphx::dead_code_elimination{},
+            migraphx::eliminate_contiguous{}, migraphx::dead_code_elimination{}};
+    }
+    migraphx::gpu::context get_context() const { return migraphx::gpu::context{}; }
+};
+
+TEST_CASE(trans_tanh)
+{
+    auto create_program = [] {
+        migraphx::program p;
+        migraphx::shape s{migraphx::shape::float_type, {2, 3}};
+        auto x  = p.add_parameter("x", s);
+        auto txh = p.add_instruction(migraphx::op::tanh{}, x);
+        p.add_instruction(migraphx::op::add{}, txh, txh);
+
+        return p;
+    };
+
+    auto p1 = create_program();
+    auto p2 = create_program();
+    EXPECT(p1 == p2);
+
+    std::cout << "p1 = " << p1 << std::endl;
+    std::cout << "p2 = " << p2 << std::endl;
+
+    p1.compile(lowering_target{});
+    p2.compile(lowering_target{});
+
+    EXPECT(p1 == p2);
+
+    for(auto ins : iterator_for(p1))
+    {
+       if(ins->name() == "hip::allocate")
+       {
+           migraphx::shape wrong_s{migraphx::shape::float_type, {4, 3}};
+           ins->replace(wrong_s);
+       }
+    }
+    EXPECT(p1 != p2);
+
+    std::cout << "p1 = " << p1 << std::endl;
+    std::cout << "p2 = " << p2 << std::endl;
+
+    migraphx::run_passes(p1,
+                         {migraphx::gpu::adjust_allocation{}, migraphx::dead_code_elimination{}});
+    EXPECT(p1 == p2);
+}
+
+int main(int argc, const char* argv[]) { test::run(argc, argv); }