1 //===- llvm/unittest/IR/DebugInfo.cpp - DebugInfo tests -------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 #include "llvm/IR/DebugInfoMetadata.h"
11 #include "gtest/gtest.h"
12
13 using namespace llvm;
14
15 namespace {
16
TEST(DebugNodeTest,getFlag)17 TEST(DebugNodeTest, getFlag) {
18 // Some valid flags.
19 EXPECT_EQ(DebugNode::FlagPublic, DebugNode::getFlag("DIFlagPublic"));
20 EXPECT_EQ(DebugNode::FlagProtected, DebugNode::getFlag("DIFlagProtected"));
21 EXPECT_EQ(DebugNode::FlagPrivate, DebugNode::getFlag("DIFlagPrivate"));
22 EXPECT_EQ(DebugNode::FlagVector, DebugNode::getFlag("DIFlagVector"));
23 EXPECT_EQ(DebugNode::FlagRValueReference,
24 DebugNode::getFlag("DIFlagRValueReference"));
25
26 // FlagAccessibility shouldn't work.
27 EXPECT_EQ(0u, DebugNode::getFlag("DIFlagAccessibility"));
28
29 // Some other invalid strings.
30 EXPECT_EQ(0u, DebugNode::getFlag("FlagVector"));
31 EXPECT_EQ(0u, DebugNode::getFlag("Vector"));
32 EXPECT_EQ(0u, DebugNode::getFlag("other things"));
33 EXPECT_EQ(0u, DebugNode::getFlag("DIFlagOther"));
34 }
35
TEST(DebugNodeTest,getFlagString)36 TEST(DebugNodeTest, getFlagString) {
37 // Some valid flags.
38 EXPECT_EQ(StringRef("DIFlagPublic"),
39 DebugNode::getFlagString(DebugNode::FlagPublic));
40 EXPECT_EQ(StringRef("DIFlagProtected"),
41 DebugNode::getFlagString(DebugNode::FlagProtected));
42 EXPECT_EQ(StringRef("DIFlagPrivate"),
43 DebugNode::getFlagString(DebugNode::FlagPrivate));
44 EXPECT_EQ(StringRef("DIFlagVector"),
45 DebugNode::getFlagString(DebugNode::FlagVector));
46 EXPECT_EQ(StringRef("DIFlagRValueReference"),
47 DebugNode::getFlagString(DebugNode::FlagRValueReference));
48
49 // FlagAccessibility actually equals FlagPublic.
50 EXPECT_EQ(StringRef("DIFlagPublic"),
51 DebugNode::getFlagString(DebugNode::FlagAccessibility));
52
53 // Some other invalid flags.
54 EXPECT_EQ(StringRef(), DebugNode::getFlagString(DebugNode::FlagPublic |
55 DebugNode::FlagVector));
56 EXPECT_EQ(StringRef(), DebugNode::getFlagString(DebugNode::FlagFwdDecl |
57 DebugNode::FlagArtificial));
58 EXPECT_EQ(StringRef(), DebugNode::getFlagString(0xffff));
59 }
60
TEST(DebugNodeTest,splitFlags)61 TEST(DebugNodeTest, splitFlags) {
62 // Some valid flags.
63 #define CHECK_SPLIT(FLAGS, VECTOR, REMAINDER) \
64 { \
65 SmallVector<unsigned, 8> V; \
66 EXPECT_EQ(REMAINDER, DebugNode::splitFlags(FLAGS, V)); \
67 EXPECT_TRUE(makeArrayRef(V).equals(VECTOR)); \
68 }
69 CHECK_SPLIT(DebugNode::FlagPublic, {DebugNode::FlagPublic}, 0u);
70 CHECK_SPLIT(DebugNode::FlagProtected, {DebugNode::FlagProtected}, 0u);
71 CHECK_SPLIT(DebugNode::FlagPrivate, {DebugNode::FlagPrivate}, 0u);
72 CHECK_SPLIT(DebugNode::FlagVector, {DebugNode::FlagVector}, 0u);
73 CHECK_SPLIT(DebugNode::FlagRValueReference, {DebugNode::FlagRValueReference},
74 0u);
75 unsigned Flags[] = {DebugNode::FlagFwdDecl, DebugNode::FlagVector};
76 CHECK_SPLIT(DebugNode::FlagFwdDecl | DebugNode::FlagVector, Flags, 0u);
77 CHECK_SPLIT(0x100000u, {}, 0x100000u);
78 CHECK_SPLIT(0x100000u | DebugNode::FlagVector, {DebugNode::FlagVector},
79 0x100000u);
80 #undef CHECK_SPLIT
81 }
82
83 } // end namespace
84