1 //===--------- ExecutorAddrTest.cpp - Unit tests for ExecutorAddr ---------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #include "llvm/ExecutionEngine/Orc/Shared/ExecutorAddress.h"
10 #include "OrcTestCommon.h"
11
12 using namespace llvm;
13 using namespace llvm::orc;
14
15 namespace {
16
TEST(ExecutorAddrTest,DefaultAndNull)17 TEST(ExecutorAddrTest, DefaultAndNull) {
18 // Check that default constructed values and isNull behave as expected.
19
20 ExecutorAddr Default;
21 ExecutorAddr Null(0);
22 ExecutorAddr NonNull(1);
23
24 EXPECT_TRUE(Null.isNull());
25 EXPECT_EQ(Default, Null);
26
27 EXPECT_FALSE(NonNull.isNull());
28 EXPECT_NE(Default, NonNull);
29 }
30
TEST(ExecutorAddrTest,Ordering)31 TEST(ExecutorAddrTest, Ordering) {
32 // Check that ordering operations.
33 ExecutorAddr A1(1), A2(2);
34
35 EXPECT_LE(A1, A1);
36 EXPECT_LT(A1, A2);
37 EXPECT_GT(A2, A1);
38 EXPECT_GE(A2, A2);
39 }
40
TEST(ExecutorAddrTest,PtrConversion)41 TEST(ExecutorAddrTest, PtrConversion) {
42 // Test toPtr / fromPtr round-tripping.
43 int X = 0;
44 auto XAddr = ExecutorAddr::fromPtr(&X);
45 int *XPtr = XAddr.toPtr<int *>();
46
47 EXPECT_EQ(XPtr, &X);
48 }
49
F()50 static void F() {}
51
TEST(ExecutorAddrTest,PtrConversionWithFunctionType)52 TEST(ExecutorAddrTest, PtrConversionWithFunctionType) {
53 // Test that function types (as opposed to function pointer types) can be
54 // used with toPtr.
55 auto FAddr = ExecutorAddr::fromPtr(F);
56 void (*FPtr)() = FAddr.toPtr<void()>();
57
58 EXPECT_EQ(FPtr, &F);
59 }
60
TEST(ExecutorAddrTest,AddrRanges)61 TEST(ExecutorAddrTest, AddrRanges) {
62 ExecutorAddr A0(0), A1(1), A2(2), A3(3);
63 ExecutorAddrRange R0(A0, A1), R1(A1, A2), R2(A2, A3), R3(A0, A2), R4(A1, A3);
64 // 012
65 // R0: # -- Before R1
66 // R1: # --
67 // R2: # -- After R1
68 // R3: ## -- Overlaps R1 start
69 // R4: ## -- Overlaps R1 end
70
71 EXPECT_EQ(R1, ExecutorAddrRange(A1, A2));
72 EXPECT_EQ(R1, ExecutorAddrRange(A1, ExecutorAddrDiff(1)));
73 EXPECT_NE(R1, R2);
74
75 EXPECT_TRUE(R1.contains(A1));
76 EXPECT_FALSE(R1.contains(A0));
77 EXPECT_FALSE(R1.contains(A2));
78
79 EXPECT_FALSE(R1.overlaps(R0));
80 EXPECT_FALSE(R1.overlaps(R2));
81 EXPECT_TRUE(R1.overlaps(R3));
82 EXPECT_TRUE(R1.overlaps(R4));
83 }
84
85 } // namespace
86