[IR] Adding const_value_op_iterator for IR/User.h
const value op iterator is missing from User.h class.
Differential Revision: https://reviews.llvm.org/D28464
llvm-svn: 291443
diff --git a/llvm/unittests/IR/UserTest.cpp b/llvm/unittests/IR/UserTest.cpp
index 7d875aa..7ba6840 100644
--- a/llvm/unittests/IR/UserTest.cpp
+++ b/llvm/unittests/IR/UserTest.cpp
@@ -84,6 +84,22 @@
EXPECT_FALSE(P.value_op_begin() >= P.value_op_end());
EXPECT_EQ(10, std::distance(P.value_op_begin(), P.value_op_end()));
+ // const value op iteration
+ const PHINode *IP = &P;
+ EXPECT_TRUE(IP->value_op_begin() == IP->value_op_begin());
+ EXPECT_FALSE(IP->value_op_begin() == IP->value_op_end());
+ EXPECT_TRUE(IP->value_op_begin() != IP->value_op_end());
+ EXPECT_FALSE(IP->value_op_end() != IP->value_op_end());
+ EXPECT_TRUE(IP->value_op_begin() < IP->value_op_end());
+ EXPECT_FALSE(IP->value_op_begin() < IP->value_op_begin());
+ EXPECT_TRUE(IP->value_op_end() > IP->value_op_begin());
+ EXPECT_FALSE(IP->value_op_begin() > IP->value_op_begin());
+ EXPECT_TRUE(IP->value_op_begin() <= IP->value_op_begin());
+ EXPECT_FALSE(IP->value_op_end() <= IP->value_op_begin());
+ EXPECT_TRUE(IP->value_op_begin() >= IP->value_op_begin());
+ EXPECT_FALSE(IP->value_op_begin() >= IP->value_op_end());
+ EXPECT_EQ(10, std::distance(IP->value_op_begin(), IP->value_op_end()));
+
User::value_op_iterator I = P.value_op_begin();
I += 3;
EXPECT_EQ(std::next(P.value_op_begin(), 3), I);
@@ -91,6 +107,15 @@
I++;
EXPECT_EQ(P.getOperand(6), I[2]);
EXPECT_EQ(P.value_op_end(), (I - 2) + 8);
+
+ // const value op
+ User::const_value_op_iterator CI = IP->value_op_begin();
+ CI += 3;
+ EXPECT_EQ(std::next(IP->value_op_begin(), 3), CI);
+ EXPECT_EQ(IP->getOperand(3), *CI);
+ CI++;
+ EXPECT_EQ(IP->getOperand(6), CI[2]);
+ EXPECT_EQ(IP->value_op_end(), (CI - 2) + 8);
}
TEST(UserTest, PersonalityUser) {