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(DINodeTest,getFlag)17 TEST(DINodeTest, getFlag) {
18 // Some valid flags.
19 EXPECT_EQ(DINode::FlagPublic, DINode::getFlag("DIFlagPublic"));
20 EXPECT_EQ(DINode::FlagProtected, DINode::getFlag("DIFlagProtected"));
21 EXPECT_EQ(DINode::FlagPrivate, DINode::getFlag("DIFlagPrivate"));
22 EXPECT_EQ(DINode::FlagVector, DINode::getFlag("DIFlagVector"));
23 EXPECT_EQ(DINode::FlagRValueReference,
24 DINode::getFlag("DIFlagRValueReference"));
25
26 // FlagAccessibility shouldn't work.
27 EXPECT_EQ(0u, DINode::getFlag("DIFlagAccessibility"));
28
29 // Some other invalid strings.
30 EXPECT_EQ(0u, DINode::getFlag("FlagVector"));
31 EXPECT_EQ(0u, DINode::getFlag("Vector"));
32 EXPECT_EQ(0u, DINode::getFlag("other things"));
33 EXPECT_EQ(0u, DINode::getFlag("DIFlagOther"));
34 }
35
TEST(DINodeTest,getFlagString)36 TEST(DINodeTest, getFlagString) {
37 // Some valid flags.
38 EXPECT_EQ(StringRef("DIFlagPublic"),
39 DINode::getFlagString(DINode::FlagPublic));
40 EXPECT_EQ(StringRef("DIFlagProtected"),
41 DINode::getFlagString(DINode::FlagProtected));
42 EXPECT_EQ(StringRef("DIFlagPrivate"),
43 DINode::getFlagString(DINode::FlagPrivate));
44 EXPECT_EQ(StringRef("DIFlagVector"),
45 DINode::getFlagString(DINode::FlagVector));
46 EXPECT_EQ(StringRef("DIFlagRValueReference"),
47 DINode::getFlagString(DINode::FlagRValueReference));
48
49 // FlagAccessibility actually equals FlagPublic.
50 EXPECT_EQ(StringRef("DIFlagPublic"),
51 DINode::getFlagString(DINode::FlagAccessibility));
52
53 // Some other invalid flags.
54 EXPECT_EQ(StringRef(),
55 DINode::getFlagString(DINode::FlagPublic | DINode::FlagVector));
56 EXPECT_EQ(StringRef(), DINode::getFlagString(DINode::FlagFwdDecl |
57 DINode::FlagArtificial));
58 EXPECT_EQ(StringRef(), DINode::getFlagString(0xffff));
59 }
60
TEST(DINodeTest,splitFlags)61 TEST(DINodeTest, splitFlags) {
62 // Some valid flags.
63 #define CHECK_SPLIT(FLAGS, VECTOR, REMAINDER) \
64 { \
65 SmallVector<unsigned, 8> V; \
66 EXPECT_EQ(REMAINDER, DINode::splitFlags(FLAGS, V)); \
67 EXPECT_TRUE(makeArrayRef(V).equals(VECTOR)); \
68 }
69 CHECK_SPLIT(DINode::FlagPublic, {DINode::FlagPublic}, 0u);
70 CHECK_SPLIT(DINode::FlagProtected, {DINode::FlagProtected}, 0u);
71 CHECK_SPLIT(DINode::FlagPrivate, {DINode::FlagPrivate}, 0u);
72 CHECK_SPLIT(DINode::FlagVector, {DINode::FlagVector}, 0u);
73 CHECK_SPLIT(DINode::FlagRValueReference, {DINode::FlagRValueReference}, 0u);
74 unsigned Flags[] = {DINode::FlagFwdDecl, DINode::FlagVector};
75 CHECK_SPLIT(DINode::FlagFwdDecl | DINode::FlagVector, Flags, 0u);
76 CHECK_SPLIT(0x100000u, {}, 0x100000u);
77 CHECK_SPLIT(0x100000u | DINode::FlagVector, {DINode::FlagVector}, 0x100000u);
78 #undef CHECK_SPLIT
79 }
80
81 } // end namespace
82