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//===--------- ExecutorAddrTest.cpp - Unit tests for ExecutorAddr ---------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/ExecutionEngine/Orc/Shared/ExecutorAddress.h"
#include "OrcTestCommon.h"
using namespace llvm;
using namespace llvm::orc;
namespace {
TEST(ExecutorAddrTest, DefaultAndNull) {
// Check that default constructed values and isNull behave as expected.
ExecutorAddr Default;
ExecutorAddr Null(0);
ExecutorAddr NonNull(1);
EXPECT_TRUE(Null.isNull());
EXPECT_EQ(Default, Null);
EXPECT_FALSE(NonNull.isNull());
EXPECT_NE(Default, NonNull);
}
TEST(ExecutorAddrTest, Ordering) {
// Check that ordering operations.
ExecutorAddr A1(1), A2(2);
EXPECT_LE(A1, A1);
EXPECT_LT(A1, A2);
EXPECT_GT(A2, A1);
EXPECT_GE(A2, A2);
}
TEST(ExecutorAddrTest, PtrConversion) {
// Test toPtr / fromPtr round-tripping.
int X = 0;
auto XAddr = ExecutorAddr::fromPtr(&X);
int *XPtr = XAddr.toPtr<int *>();
EXPECT_EQ(XPtr, &X);
}
static void F() {}
TEST(ExecutorAddrTest, PtrConversionWithFunctionType) {
// Test that function types (as opposed to function pointer types) can be
// used with toPtr.
auto FAddr = ExecutorAddr::fromPtr(F);
void (*FPtr)() = FAddr.toPtr<void()>();
EXPECT_EQ(FPtr, &F);
}
TEST(ExecutorAddrTest, WrappingAndUnwrapping) {
constexpr uintptr_t RawAddr = 0x123456;
int *RawPtr = (int *)RawAddr;
constexpr uintptr_t TagOffset = 8 * (sizeof(uintptr_t) - 1);
uintptr_t TagVal = 0xA5;
uintptr_t TagBits = TagVal << TagOffset;
void *TaggedPtr = (void *)((uintptr_t)RawPtr | TagBits);
ExecutorAddr EA =
ExecutorAddr::fromPtr(TaggedPtr, ExecutorAddr::Untag(8, TagOffset));
EXPECT_EQ(EA.getValue(), RawAddr);
void *ReconstitutedTaggedPtr =
EA.toPtr<void *>(ExecutorAddr::Tag(TagVal, TagOffset));
EXPECT_EQ(TaggedPtr, ReconstitutedTaggedPtr);
}
TEST(ExecutorAddrTest, AddrRanges) {
ExecutorAddr A0(0), A1(1), A2(2), A3(3);
ExecutorAddrRange R0(A0, A1), R1(A1, A2), R2(A2, A3), R3(A0, A2), R4(A1, A3);
// 012
// R0: # -- Before R1
// R1: # --
// R2: # -- After R1
// R3: ## -- Overlaps R1 start
// R4: ## -- Overlaps R1 end
EXPECT_EQ(R1, ExecutorAddrRange(A1, A2));
EXPECT_EQ(R1, ExecutorAddrRange(A1, ExecutorAddrDiff(1)));
EXPECT_NE(R1, R2);
EXPECT_TRUE(R1.contains(A1));
EXPECT_FALSE(R1.contains(A0));
EXPECT_FALSE(R1.contains(A2));
EXPECT_FALSE(R1.overlaps(R0));
EXPECT_FALSE(R1.overlaps(R2));
EXPECT_TRUE(R1.overlaps(R3));
EXPECT_TRUE(R1.overlaps(R4));
}
} // namespace
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