1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
//===- llvm/unittest/IR/IntrinsicsTest.cpp - ------------------------------===//
//
// 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/IR/Intrinsics.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/IR/Constant.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/IntrinsicsAArch64.h"
#include "llvm/IR/IntrinsicsAMDGPU.h"
#include "llvm/IR/IntrinsicsARM.h"
#include "llvm/IR/IntrinsicsBPF.h"
#include "llvm/IR/IntrinsicsDirectX.h"
#include "llvm/IR/IntrinsicsHexagon.h"
#include "llvm/IR/IntrinsicsLoongArch.h"
#include "llvm/IR/IntrinsicsMips.h"
#include "llvm/IR/IntrinsicsNVPTX.h"
#include "llvm/IR/IntrinsicsPowerPC.h"
#include "llvm/IR/IntrinsicsRISCV.h"
#include "llvm/IR/IntrinsicsS390.h"
#include "llvm/IR/IntrinsicsX86.h"
#include "llvm/IR/Module.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
class IntrinsicsTest : public ::testing::Test {
LLVMContext Context;
std::unique_ptr<Module> M;
BasicBlock *BB = nullptr;
void TearDown() override { M.reset(); }
void SetUp() override {
M = std::make_unique<Module>("Test", Context);
auto F = M->getOrInsertFunction(
"test", FunctionType::get(Type::getVoidTy(Context), false));
BB = BasicBlock::Create(Context, "", cast<Function>(F.getCallee()));
EXPECT_NE(BB, nullptr);
}
public:
Instruction *makeIntrinsic(Intrinsic::ID ID) const {
IRBuilder<> Builder(BB);
SmallVector<Value *, 4> ProcessedArgs;
auto *Decl = Intrinsic::getOrInsertDeclaration(M.get(), ID);
for (auto *Ty : Decl->getFunctionType()->params()) {
auto *Val = Constant::getNullValue(Ty);
ProcessedArgs.push_back(Val);
}
return Builder.CreateCall(Decl, ProcessedArgs);
}
template <typename T> void checkIsa(const Instruction &I) {
EXPECT_TRUE(isa<T>(I));
}
};
TEST(IntrinsicNameLookup, Basic) {
using namespace Intrinsic;
EXPECT_EQ(Intrinsic::memcpy, lookupIntrinsicID("llvm.memcpy"));
// Partial, either between dots or not the last dot are not intrinsics.
EXPECT_EQ(not_intrinsic, lookupIntrinsicID("llvm.mem"));
EXPECT_EQ(not_intrinsic, lookupIntrinsicID("llvm.gc"));
// Look through intrinsic names with internal dots.
EXPECT_EQ(memcpy_inline, lookupIntrinsicID("llvm.memcpy.inline"));
// Check that overloaded names are mapped to the underlying ID.
EXPECT_EQ(memcpy_inline, lookupIntrinsicID("llvm.memcpy.inline.p0.p0.i8"));
EXPECT_EQ(memcpy_inline, lookupIntrinsicID("llvm.memcpy.inline.p0.p0.i32"));
EXPECT_EQ(memcpy_inline, lookupIntrinsicID("llvm.memcpy.inline.p0.p0.i64"));
EXPECT_EQ(memcpy_inline, lookupIntrinsicID("llvm.memcpy.inline.p0.p0.i1024"));
}
// Tests to verify getIntrinsicForClangBuiltin.
TEST(IntrinsicNameLookup, ClangBuiltinLookup) {
using namespace Intrinsic;
static constexpr std::tuple<StringRef, StringRef, ID> ClangTests[] = {
{"__builtin_adjust_trampoline", "", adjust_trampoline},
{"__builtin_trap", "", trap},
{"__builtin_arm_chkfeat", "aarch64", aarch64_chkfeat},
{"__builtin_amdgcn_alignbyte", "amdgcn", amdgcn_alignbyte},
{"__builtin_amdgcn_workgroup_id_z", "amdgcn", amdgcn_workgroup_id_z},
{"__builtin_arm_cdp", "arm", arm_cdp},
{"__builtin_bpf_preserve_type_info", "bpf", bpf_preserve_type_info},
{"__builtin_HEXAGON_A2_tfr", "hexagon", hexagon_A2_tfr},
{"__builtin_lasx_xbz_w", "loongarch", loongarch_lasx_xbz_w},
{"__builtin_mips_bitrev", "mips", mips_bitrev},
{"__nvvm_add_rn_d", "nvvm", nvvm_add_rn_d},
{"__builtin_altivec_dss", "ppc", ppc_altivec_dss},
{"__builtin_riscv_sha512sum1r", "riscv", riscv_sha512sum1r},
{"__builtin_tend", "s390", s390_tend},
{"__builtin_ia32_pause", "x86", x86_sse2_pause},
{"__does_not_exist", "", not_intrinsic},
{"__does_not_exist", "arm", not_intrinsic},
{"__builtin_arm_cdp", "", not_intrinsic},
{"__builtin_arm_cdp", "x86", not_intrinsic},
};
for (const auto &[Builtin, Target, ID] : ClangTests)
EXPECT_EQ(ID, getIntrinsicForClangBuiltin(Target, Builtin));
}
// Tests to verify getIntrinsicForMSBuiltin.
TEST(IntrinsicNameLookup, MSBuiltinLookup) {
using namespace Intrinsic;
static constexpr std::tuple<StringRef, StringRef, ID> MSTests[] = {
{"__dmb", "aarch64", aarch64_dmb},
{"__dmb", "arm", arm_dmb},
{"__dmb", "", not_intrinsic},
{"__does_not_exist", "", not_intrinsic},
{"__does_not_exist", "arm", not_intrinsic},
};
for (const auto &[Builtin, Target, ID] : MSTests)
EXPECT_EQ(ID, getIntrinsicForMSBuiltin(Target, Builtin));
}
TEST_F(IntrinsicsTest, InstrProfInheritance) {
auto isInstrProfInstBase = [](const Instruction &I) {
return isa<InstrProfInstBase>(I);
};
#define __ISA(TYPE, PARENT) \
auto is##TYPE = [&](const Instruction &I) -> bool { \
return isa<TYPE>(I) && is##PARENT(I); \
}
__ISA(InstrProfCntrInstBase, InstrProfInstBase);
__ISA(InstrProfCoverInst, InstrProfCntrInstBase);
__ISA(InstrProfIncrementInst, InstrProfCntrInstBase);
__ISA(InstrProfIncrementInstStep, InstrProfIncrementInst);
__ISA(InstrProfCallsite, InstrProfCntrInstBase);
__ISA(InstrProfTimestampInst, InstrProfCntrInstBase);
__ISA(InstrProfValueProfileInst, InstrProfCntrInstBase);
__ISA(InstrProfMCDCBitmapInstBase, InstrProfInstBase);
__ISA(InstrProfMCDCBitmapParameters, InstrProfMCDCBitmapInstBase);
__ISA(InstrProfMCDCTVBitmapUpdate, InstrProfMCDCBitmapInstBase);
#undef __ISA
std::vector<
std::pair<Intrinsic::ID, std::function<bool(const Instruction &)>>>
LeafIDs = {
{Intrinsic::instrprof_cover, isInstrProfCoverInst},
{Intrinsic::instrprof_increment, isInstrProfIncrementInst},
{Intrinsic::instrprof_increment_step, isInstrProfIncrementInstStep},
{Intrinsic::instrprof_callsite, isInstrProfCallsite},
{Intrinsic::instrprof_mcdc_parameters,
isInstrProfMCDCBitmapParameters},
{Intrinsic::instrprof_mcdc_tvbitmap_update,
isInstrProfMCDCTVBitmapUpdate},
{Intrinsic::instrprof_timestamp, isInstrProfTimestampInst},
{Intrinsic::instrprof_value_profile, isInstrProfValueProfileInst}};
for (const auto &[ID, Checker] : LeafIDs) {
auto *Intr = makeIntrinsic(ID);
EXPECT_TRUE(Checker(*Intr));
}
}
} // end namespace
|
