[turbofan] support small immediates

test/unittests/compiler/instruction-sequence-unittest.cc

Index: test/unittests/compiler/instruction-sequence-unittest.cc
diff --git a/test/unittests/compiler/instruction-sequence-unittest.cc b/test/unittests/compiler/instruction-sequence-unittest.cc
index c2e626fd5981b92445200d8266373540e58be431..abc53940efe4c45aafb228e10892bc8af992c29d 100644
--- a/test/unittests/compiler/instruction-sequence-unittest.cc
+++ b/test/unittests/compiler/instruction-sequence-unittest.cc
@@ -129,8 +129,7 @@ Instruction* InstructionSequenceTest::EndBlock(BlockCompletion completion) {
 
 
 InstructionSequenceTest::TestOperand InstructionSequenceTest::Imm(int32_t imm) {
-  int index = sequence()->AddImmediate(Constant(imm));
-  return TestOperand(kImmediate, index);
+  return TestOperand(kImmediate, imm);
 }
 
 
@@ -357,7 +356,7 @@ InstructionOperand* InstructionSequenceTest::ConvertInputs(
 InstructionOperand InstructionSequenceTest::ConvertInputOp(TestOperand op) {
   if (op.type_ == kImmediate) {
     CHECK_EQ(op.vreg_.value_, kNoValue);
-    return ImmediateOperand(op.value_);
+    return ImmediateOperand(ImmediateOperand::INLINE, op.value_);
   }
   CHECK_NE(op.vreg_.value_, kNoValue);
   switch (op.type_) {