1 2// RUN: mlir-opt -allow-unregistered-dialect -test-scf-for-utils=test-replace-with-new-yields -mlir-disable-threading %s | FileCheck %s 3 4func.func @doubleup(%lb: index, %ub: index, %step: index, %extra_arg: f32) -> f32 { 5 %0 = scf.for %i = %lb to %ub step %step iter_args(%iter = %extra_arg) -> (f32) { 6 %1 = arith.addf %iter, %iter : f32 7 scf.yield %1: f32 8 } 9 return %0: f32 10} 11// CHECK-LABEL: func @doubleup 12// CHECK-SAME: %[[ARG:[a-zA-Z0-9]+]]: f32 13// CHECK: %[[NEWLOOP:.+]]:2 = scf.for 14// CHECK-SAME: iter_args(%[[INIT1:.+]] = %[[ARG]], %[[INIT2:.+]] = %[[ARG]] 15// CHECK: %[[DOUBLE:.+]] = arith.addf %[[INIT1]], %[[INIT1]] 16// CHECK: %[[DOUBLE2:.+]] = arith.addf %[[DOUBLE]], %[[DOUBLE]] 17// CHECK: scf.yield %[[DOUBLE]], %[[DOUBLE2]] 18// CHECK: return %[[NEWLOOP]]#0 19