Add vecadd example

rewrite-test/test_ir.py

@@ -0,0 +1,55 @@
+import triton._C.libtriton.triton.ir as ir
+
+ctx = ir.context()
+ctx.load_triton()
+
+# TODO
+builder = ir.builder(ctx)
+
+# module = builder.create_module()
+
+
+i1_ty = builder.get_int1_ty()
+i8_ty = builder.get_int8_ty()
+i16_ty = builder.get_int16_ty()
+i32_ty = builder.get_int32_ty()
+i64_ty = builder.get_int64_ty()
+
+f16_ty = builder.get_half_ty()
+
+f16_ptr_ty = builder.get_ptr_ty(f16_ty)
+
+func_ty = builder.get_function_ty([f16_ptr_ty, f16_ptr_ty, f16_ptr_ty], [])
+func = builder.create_function('foo', func_ty)
+
+# ...
+entry = func.add_entry_block()
+builder.set_insertion_point_to_start(entry)
+offsets = builder.create_make_range(0, 128)
+pid = builder.create_get_program_id(0)
+_128 = builder.get_int32(128)
+offset = builder.create_add(pid, _128)
+offset = builder.create_broadcast(offset, [128])
+offsets = builder.create_add(offset, offsets)
+
+
+a_ptrs = builder.create_broadcast(entry.arg(0), [128])
+b_ptrs = builder.create_broadcast(entry.arg(1), [128])
+
+a_ptrs = builder.create_gep(a_ptrs, offsets)
+b_ptrs = builder.create_gep(b_ptrs, offsets)
+
+a = builder.create_load(a_ptrs)
+b = builder.create_load(b_ptrs)
+
+c = builder.create_fadd(a, b)
+# c.set_attr("ieee_rounding", builder.get_bool_attr(True))
+
+c_ptrs = builder.create_broadcast(entry.arg(2), [128])
+c_ptrs = builder.create_gep(c_ptrs, offsets)
+builder.create_store(c_ptrs, c)
+
+func.dump()
+
+# module.push_back(func)
+# module.dump()