[turbofan] Allow TempReg to be SameAsFirst and FromVreg

src/compiler/instruction-selector-impl.h

Index: src/compiler/instruction-selector-impl.h
diff --git a/src/compiler/instruction-selector-impl.h b/src/compiler/instruction-selector-impl.h
index 1b1fa12e6ea2e96741b1c065268d5fa32d77aae0..60522b17998db7a6650635babebd18235898ff6d 100644
--- a/src/compiler/instruction-selector-impl.h
+++ b/src/compiler/instruction-selector-impl.h
@@ -182,6 +182,21 @@ class OperandGenerator {
                               sequence()->NextVirtualRegister());
   }
 
+  int AllocateVirtualRegister() { return sequence()->NextVirtualRegister(); }
+
+  InstructionOperand DefineSameAsFirstForVreg(int vreg) {
+    return UnallocatedOperand(UnallocatedOperand::SAME_AS_FIRST_INPUT, vreg);
+  }
+
+  InstructionOperand DefineAsRegistertForVreg(int vreg) {
+    return UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER, vreg);
+  }
+
+  InstructionOperand UseRegisterForVreg(int vreg) {
+    return UnallocatedOperand(UnallocatedOperand::MUST_HAVE_REGISTER,
+                              UnallocatedOperand::USED_AT_START, vreg);
+  }
+
   InstructionOperand TempDoubleRegister() {
     UnallocatedOperand op = UnallocatedOperand(
         UnallocatedOperand::MUST_HAVE_REGISTER,