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[NewPM] Port Msan

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Summary:
Keeping msan a function pass requires replacing the module level initialization:
That means, don't define a ctor function which calls __msan_init, instead just
declare the init function at the first access, and add that to the global ctors
list.

Changes:
- Pull the actual sanitizer and the wrapper pass apart.
- Add a newpm msan pass. The function pass inserts calls to runtime
  library functions, for which it inserts declarations as necessary.
- Update tests.

Caveats:
- There is one test that I dropped, because it specifically tested the
  definition of the ctor.

Reviewers: chandlerc, fedor.sergeev, leonardchan, vitalybuka

Subscribers: sdardis, nemanjai, javed.absar, hiraditya, kbarton, bollu, atanasyan, jsji

Differential Revision: https://reviews.llvm.org/D55647

llvm-svn: 350305
This commit is contained in:
Philip Pfaffe 2019-01-03 13:42:44 +00:00
parent ce30daaf5b
commit 65df098609
54 changed files with 342 additions and 123 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
bindings/go/llvm/InstrumentationBindings.cpp
View File

@ -16,6 +16,7 @@
#include "llvm/IR/LegacyPassManager.h"
#include "llvm/IR/Module.h"
#include "llvm/Transforms/Instrumentation.h"
#include "llvm/Transforms/Instrumentation/MemorySanitizer.h"
using namespace llvm;
@ -31,8 +32,8 @@ void LLVMAddThreadSanitizerPass(LLVMPassManagerRef PM) {
unwrap(PM)->add(createThreadSanitizerPass());
}
void LLVMAddMemorySanitizerPass(LLVMPassManagerRef PM) {
unwrap(PM)->add(createMemorySanitizerPass());
void LLVMAddMemorySanitizerLegacyPassPass(LLVMPassManagerRef PM) {
unwrap(PM)->add(createMemorySanitizerLegacyPassPass());
}
void LLVMAddDataFlowSanitizerPass(LLVMPassManagerRef PM,

2
bindings/go/llvm/InstrumentationBindings.h
View File

@ -27,7 +27,7 @@ extern "C" {
void LLVMAddAddressSanitizerFunctionPass(LLVMPassManagerRef PM);
void LLVMAddAddressSanitizerModulePass(LLVMPassManagerRef PM);
void LLVMAddThreadSanitizerPass(LLVMPassManagerRef PM);
void LLVMAddMemorySanitizerPass(LLVMPassManagerRef PM);
void LLVMAddMemorySanitizerLegacyPassPass(LLVMPassManagerRef PM);
void LLVMAddDataFlowSanitizerPass(LLVMPassManagerRef PM, int ABIListFilesNum,
const char **ABIListFiles);

4
bindings/go/llvm/transforms_instrumentation.go
View File

@ -32,8 +32,8 @@ func (pm PassManager) AddThreadSanitizerPass() {
C.LLVMAddThreadSanitizerPass(pm.C)
}
func (pm PassManager) AddMemorySanitizerPass() {
C.LLVMAddMemorySanitizerPass(pm.C)
func (pm PassManager) AddMemorySanitizerLegacyPassPass() {
C.LLVMAddMemorySanitizerLegacyPassPass(pm.C)
}
func (pm PassManager) AddDataFlowSanitizerPass(abilist []string) {

2
include/llvm/InitializePasses.h
View File

@ -273,7 +273,7 @@ void initializeMemDerefPrinterPass(PassRegistry&);
void initializeMemoryDependenceWrapperPassPass(PassRegistry&);
void initializeMemorySSAPrinterLegacyPassPass(PassRegistry&);
void initializeMemorySSAWrapperPassPass(PassRegistry&);
void initializeMemorySanitizerPass(PassRegistry&);
void initializeMemorySanitizerLegacyPassPass(PassRegistry&);
void initializeMergeFunctionsPass(PassRegistry&);
void initializeMergeICmpsPass(PassRegistry&);
void initializeMergedLoadStoreMotionLegacyPassPass(PassRegistry&);

6
include/llvm/Transforms/Instrumentation.h
View File

@ -152,11 +152,6 @@ ModulePass *createAddressSanitizerModulePass(bool CompileKernel = false,
bool UseGlobalsGC = true,
bool UseOdrIndicator = true);
// Insert MemorySanitizer instrumentation (detection of uninitialized reads)
FunctionPass *createMemorySanitizerPass(int TrackOrigins = 0,
bool Recover = false,
bool EnableKmsan = false);
FunctionPass *createHWAddressSanitizerPass(bool CompileKernel = false,
bool Recover = false);
@ -230,7 +225,6 @@ static inline uint32_t scaleBranchCount(uint64_t Count, uint64_t Scale) {
assert(Scaled <= std::numeric_limits<uint32_t>::max() && "overflow 32-bits");
return Scaled;
}
} // end namespace llvm
#endif // LLVM_TRANSFORMS_INSTRUMENTATION_H

48
include/llvm/Transforms/Instrumentation/MemorySanitizer.h Normal file
View File

@ -0,0 +1,48 @@
//===- Transforms/Instrumentation/MemorySanitizer.h - MSan Pass -----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the memoy sanitizer pass.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TRANSFORMS_INSTRUMENTATION_MEMORYSANITIZER_H
#define LLVM_TRANSFORMS_INSTRUMENTATION_MEMORYSANITIZER_H
#include "llvm/IR/PassManager.h"
#include "llvm/Pass.h"
namespace llvm {
// Insert MemorySanitizer instrumentation (detection of uninitialized reads)
FunctionPass *createMemorySanitizerLegacyPassPass(int TrackOrigins = 0,
bool Recover = false,
bool EnableKmsan = false);
/// A function pass for msan instrumentation.
///
/// Instruments functions to detect unitialized reads. This function pass
/// inserts calls to runtime library functions. If the functions aren't declared
/// yet, the pass inserts the declarations. Otherwise the existing globals are
/// used.
struct MemorySanitizerPass : public PassInfoMixin<MemorySanitizerPass> {
MemorySanitizerPass(int TrackOrigins = 0, bool Recover = false,
bool EnableKmsan = false)
: TrackOrigins(TrackOrigins), Recover(Recover), EnableKmsan(EnableKmsan) {
}
PreservedAnalyses run(Function &F, FunctionAnalysisManager &FAM);
private:
int TrackOrigins;
bool Recover;
bool EnableKmsan;
};
}
#endif /* LLVM_TRANSFORMS_INSTRUMENTATION_MEMORYSANITIZER_H */

5
include/llvm/Transforms/Utils/ModuleUtils.h
View File

@ -58,6 +58,11 @@ std::pair<Function *, Function *> createSanitizerCtorAndInitFunctions(
ArrayRef<Type *> InitArgTypes, ArrayRef<Value *> InitArgs,
StringRef VersionCheckName = StringRef());
// Creates and returns a sanitizer init function without argument if it doesn't
// exist, and adds it to the global constructors list. Otherwise it returns the
// existing function.
Function *getOrCreateInitFunction(Module &M, StringRef Name);
/// Rename all the anon globals in the module using a hash computed from
/// the list of public globals in the module.
bool nameUnamedGlobals(Module &M);

2
lib/Passes/PassBuilder.cpp
View File

@ -88,11 +88,13 @@
#include "llvm/Transforms/IPO/SyntheticCountsPropagation.h"
#include "llvm/Transforms/IPO/WholeProgramDevirt.h"
#include "llvm/Transforms/InstCombine/InstCombine.h"
#include "llvm/Transforms/Instrumentation.h"
#include "llvm/Transforms/Instrumentation/BoundsChecking.h"
#include "llvm/Transforms/Instrumentation/CGProfile.h"
#include "llvm/Transforms/Instrumentation/ControlHeightReduction.h"
#include "llvm/Transforms/Instrumentation/GCOVProfiler.h"
#include "llvm/Transforms/Instrumentation/InstrProfiling.h"
#include "llvm/Transforms/Instrumentation/MemorySanitizer.h"
#include "llvm/Transforms/Instrumentation/PGOInstrumentation.h"
#include "llvm/Transforms/Scalar/ADCE.h"
#include "llvm/Transforms/Scalar/AlignmentFromAssumptions.h"

1
lib/Passes/PassRegistry.def
View File

@ -231,6 +231,7 @@ FUNCTION_PASS("verify<regions>", RegionInfoVerifierPass())
FUNCTION_PASS("view-cfg", CFGViewerPass())
FUNCTION_PASS("view-cfg-only", CFGOnlyViewerPass())
FUNCTION_PASS("transform-warning", WarnMissedTransformationsPass())
FUNCTION_PASS("msan", MemorySanitizerPass())
#undef FUNCTION_PASS
#ifndef LOOP_ANALYSIS

2
lib/Transforms/Instrumentation/Instrumentation.cpp
View File

@ -111,7 +111,7 @@ void llvm::initializeInstrumentation(PassRegistry &Registry) {
initializePGOIndirectCallPromotionLegacyPassPass(Registry);
initializePGOMemOPSizeOptLegacyPassPass(Registry);
initializeInstrProfilingLegacyPassPass(Registry);
initializeMemorySanitizerPass(Registry);
initializeMemorySanitizerLegacyPassPass(Registry);
initializeHWAddressSanitizerPass(Registry);
initializeThreadSanitizerPass(Registry);
initializeSanitizerCoverageModulePass(Registry);

204
lib/Transforms/Instrumentation/MemorySanitizer.cpp
View File

@ -140,6 +140,7 @@
///
//===----------------------------------------------------------------------===//
#include "llvm/Transforms/Instrumentation/MemorySanitizer.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/DepthFirstIterator.h"
@ -149,7 +150,6 @@
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/Triple.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Transforms/Utils/Local.h"
#include "llvm/IR/Argument.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/BasicBlock.h"
@ -187,6 +187,7 @@
#include "llvm/Support/raw_ostream.h"
#include "llvm/Transforms/Instrumentation.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include "llvm/Transforms/Utils/Local.h"
#include "llvm/Transforms/Utils/ModuleUtils.h"
#include <algorithm>
#include <cassert>
@ -320,7 +321,6 @@ static cl::opt<unsigned long long> ClOriginBase("msan-origin-base",
cl::desc("Define custom MSan OriginBase"),
cl::Hidden, cl::init(0));
static const char *const kMsanModuleCtorName = "msan.module_ctor";
static const char *const kMsanInitName = "__msan_init";
namespace {
@ -446,19 +446,16 @@ static const PlatformMemoryMapParams NetBSD_X86_MemoryMapParams = {
namespace {
/// An instrumentation pass implementing detection of uninitialized
/// reads.
/// Instrument functions of a module to detect uninitialized reads.
///
/// MemorySanitizer: instrument the code in module to find
/// uninitialized reads.
class MemorySanitizer : public FunctionPass {
/// Instantiating MemorySanitizer inserts the msan runtime library API function
/// declarations into the module if they don't exist already. Instantiating
/// ensures the __msan_init function is in the list of global constructors for
/// the module.
class MemorySanitizer {
public:
// Pass identification, replacement for typeid.
static char ID;
MemorySanitizer(int TrackOrigins = 0, bool Recover = false,
bool EnableKmsan = false)
: FunctionPass(ID) {
MemorySanitizer(Module &M, int TrackOrigins = 0, bool Recover = false,
bool EnableKmsan = false) {
this->CompileKernel =
ClEnableKmsan.getNumOccurrences() > 0 ? ClEnableKmsan : EnableKmsan;
if (ClTrackOrigins.getNumOccurrences() > 0)
@ -468,15 +465,16 @@ public:
this->Recover = ClKeepGoing.getNumOccurrences() > 0
? ClKeepGoing
: (this->CompileKernel | Recover);
}
StringRef getPassName() const override { return "MemorySanitizer"; }
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.addRequired<TargetLibraryInfoWrapperPass>();
initializeModule(M);
}
bool runOnFunction(Function &F) override;
bool doInitialization(Module &M) override;
// MSan cannot be moved or copied because of MapParams.
MemorySanitizer(MemorySanitizer &&) = delete;
MemorySanitizer &operator=(MemorySanitizer &&) = delete;
MemorySanitizer(const MemorySanitizer &) = delete;
MemorySanitizer &operator=(const MemorySanitizer &) = delete;
bool sanitizeFunction(Function &F, TargetLibraryInfo &TLI);
private:
friend struct MemorySanitizerVisitor;
@ -485,13 +483,13 @@ private:
friend struct VarArgAArch64Helper;
friend struct VarArgPowerPC64Helper;
void initializeModule(Module &M);
void initializeCallbacks(Module &M);
void createKernelApi(Module &M);
void createUserspaceApi(Module &M);
/// True if we're compiling the Linux kernel.
bool CompileKernel;
/// Track origins (allocation points) of uninitialized values.
int TrackOrigins;
bool Recover;
@ -588,25 +586,61 @@ private:
/// An empty volatile inline asm that prevents callback merge.
InlineAsm *EmptyAsm;
};
Function *MsanCtorFunction;
/// A legacy function pass for msan instrumentation.
///
/// Instruments functions to detect unitialized reads.
struct MemorySanitizerLegacyPass : public FunctionPass {
// Pass identification, replacement for typeid.
static char ID;
MemorySanitizerLegacyPass(int TrackOrigins = 0, bool Recover = false,
bool EnableKmsan = false)
: FunctionPass(ID), TrackOrigins(TrackOrigins), Recover(Recover),
EnableKmsan(EnableKmsan) {}
StringRef getPassName() const override { return "MemorySanitizerLegacyPass"; }
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.addRequired<TargetLibraryInfoWrapperPass>();
}
bool runOnFunction(Function &F) override {
return MSan->sanitizeFunction(
F, getAnalysis<TargetLibraryInfoWrapperPass>().getTLI());
}
bool doInitialization(Module &M) override;
Optional<MemorySanitizer> MSan;
int TrackOrigins;
bool Recover;
bool EnableKmsan;
};
} // end anonymous namespace
char MemorySanitizer::ID = 0;
PreservedAnalyses MemorySanitizerPass::run(Function &F,
FunctionAnalysisManager &FAM) {
MemorySanitizer Msan(*F.getParent(), TrackOrigins, Recover, EnableKmsan);
if (Msan.sanitizeFunction(F, FAM.getResult<TargetLibraryAnalysis>(F)))
return PreservedAnalyses::none();
return PreservedAnalyses::all();
}
INITIALIZE_PASS_BEGIN(
MemorySanitizer, "msan",
"MemorySanitizer: detects uninitialized reads.", false, false)
char MemorySanitizerLegacyPass::ID = 0;
INITIALIZE_PASS_BEGIN(MemorySanitizerLegacyPass, "msan",
"MemorySanitizer: detects uninitialized reads.", false,
false)
INITIALIZE_PASS_DEPENDENCY(TargetLibraryInfoWrapperPass)
INITIALIZE_PASS_END(
MemorySanitizer, "msan",
"MemorySanitizer: detects uninitialized reads.", false, false)
INITIALIZE_PASS_END(MemorySanitizerLegacyPass, "msan",
"MemorySanitizer: detects uninitialized reads.", false,
false)
FunctionPass *llvm::createMemorySanitizerPass(int TrackOrigins, bool Recover,
bool CompileKernel) {
return new MemorySanitizer(TrackOrigins, Recover, CompileKernel);
FunctionPass *llvm::createMemorySanitizerLegacyPassPass(int TrackOrigins,
bool Recover,
bool CompileKernel) {
return new MemorySanitizerLegacyPass(TrackOrigins, Recover, CompileKernel);
}
/// Create a non-const global initialized with the given string.
@ -683,6 +717,14 @@ void MemorySanitizer::createKernelApi(Module &M) {
"__msan_unpoison_alloca", IRB.getVoidTy(), IRB.getInt8PtrTy(), IntptrTy);
}
static Constant *getOrInsertGlobal(Module &M, StringRef Name, Type *Ty) {
return M.getOrInsertGlobal(Name, Ty, [&] {
return new GlobalVariable(M, Ty, false, GlobalVariable::ExternalLinkage,
nullptr, Name, nullptr,
GlobalVariable::InitialExecTLSModel);
});
}
/// Insert declarations for userspace-specific functions and globals.
void MemorySanitizer::createUserspaceApi(Module &M) {
IRBuilder<> IRB(*C);
@ -694,42 +736,31 @@ void MemorySanitizer::createUserspaceApi(Module &M) {
WarningFn = M.getOrInsertFunction(WarningFnName, IRB.getVoidTy());
// Create the global TLS variables.
RetvalTLS = new GlobalVariable(
M, ArrayType::get(IRB.getInt64Ty(), kRetvalTLSSize / 8), false,
GlobalVariable::ExternalLinkage, nullptr, "__msan_retval_tls", nullptr,
GlobalVariable::InitialExecTLSModel);
RetvalTLS =
getOrInsertGlobal(M, "__msan_retval_tls",
ArrayType::get(IRB.getInt64Ty(), kRetvalTLSSize / 8));
RetvalOriginTLS = new GlobalVariable(
M, OriginTy, false, GlobalVariable::ExternalLinkage, nullptr,
"__msan_retval_origin_tls", nullptr, GlobalVariable::InitialExecTLSModel);
RetvalOriginTLS = getOrInsertGlobal(M, "__msan_retval_origin_tls", OriginTy);
ParamTLS = new GlobalVariable(
M, ArrayType::get(IRB.getInt64Ty(), kParamTLSSize / 8), false,
GlobalVariable::ExternalLinkage, nullptr, "__msan_param_tls", nullptr,
GlobalVariable::InitialExecTLSModel);
ParamTLS =
getOrInsertGlobal(M, "__msan_param_tls",
ArrayType::get(IRB.getInt64Ty(), kParamTLSSize / 8));
ParamOriginTLS = new GlobalVariable(
M, ArrayType::get(OriginTy, kParamTLSSize / 4), false,
GlobalVariable::ExternalLinkage, nullptr, "__msan_param_origin_tls",
nullptr, GlobalVariable::InitialExecTLSModel);
ParamOriginTLS =
getOrInsertGlobal(M, "__msan_param_origin_tls",
ArrayType::get(OriginTy, kParamTLSSize / 4));
VAArgTLS = new GlobalVariable(
M, ArrayType::get(IRB.getInt64Ty(), kParamTLSSize / 8), false,
GlobalVariable::ExternalLinkage, nullptr, "__msan_va_arg_tls", nullptr,
GlobalVariable::InitialExecTLSModel);
VAArgTLS =
getOrInsertGlobal(M, "__msan_va_arg_tls",
ArrayType::get(IRB.getInt64Ty(), kParamTLSSize / 8));
VAArgOriginTLS = new GlobalVariable(
M, ArrayType::get(OriginTy, kParamTLSSize / 4), false,
GlobalVariable::ExternalLinkage, nullptr, "__msan_va_arg_origin_tls",
nullptr, GlobalVariable::InitialExecTLSModel);
VAArgOriginTLS =
getOrInsertGlobal(M, "__msan_va_arg_origin_tls",
ArrayType::get(OriginTy, kParamTLSSize / 4));
VAArgOverflowSizeTLS = new GlobalVariable(
M, IRB.getInt64Ty(), false, GlobalVariable::ExternalLinkage, nullptr,
"__msan_va_arg_overflow_size_tls", nullptr,
GlobalVariable::InitialExecTLSModel);
OriginTLS = new GlobalVariable(
M, IRB.getInt32Ty(), false, GlobalVariable::ExternalLinkage, nullptr,
"__msan_origin_tls", nullptr, GlobalVariable::InitialExecTLSModel);
VAArgOverflowSizeTLS =
getOrInsertGlobal(M, "__msan_va_arg_overflow_size_tls", IRB.getInt64Ty());
OriginTLS = getOrInsertGlobal(M, "__msan_origin_tls", IRB.getInt32Ty());
for (size_t AccessSizeIndex = 0; AccessSizeIndex < kNumberOfAccessSizes;
AccessSizeIndex++) {
@ -808,9 +839,7 @@ Value *MemorySanitizer::getKmsanShadowOriginAccessFn(bool isStore, int size) {
}
/// Module-level initialization.
///
/// inserts a call to __msan_init to the module's constructor list.
bool MemorySanitizer::doInitialization(Module &M) {
void MemorySanitizer::initializeModule(Module &M) {
auto &DL = M.getDataLayout();
bool ShadowPassed = ClShadowBase.getNumOccurrences() > 0;
@ -884,27 +913,26 @@ bool MemorySanitizer::doInitialization(Module &M) {
OriginStoreWeights = MDBuilder(*C).createBranchWeights(1, 1000);
if (!CompileKernel) {
std::tie(MsanCtorFunction, std::ignore) =
createSanitizerCtorAndInitFunctions(M, kMsanModuleCtorName,
kMsanInitName,
/*InitArgTypes=*/{},
/*InitArgs=*/{});
if (ClWithComdat) {
Comdat *MsanCtorComdat = M.getOrInsertComdat(kMsanModuleCtorName);
MsanCtorFunction->setComdat(MsanCtorComdat);
appendToGlobalCtors(M, MsanCtorFunction, 0, MsanCtorFunction);
} else {
appendToGlobalCtors(M, MsanCtorFunction, 0);
}
getOrCreateInitFunction(M, kMsanInitName);
if (TrackOrigins)
new GlobalVariable(M, IRB.getInt32Ty(), true, GlobalValue::WeakODRLinkage,
IRB.getInt32(TrackOrigins), "__msan_track_origins");
M.getOrInsertGlobal("__msan_track_origins", IRB.getInt32Ty(), [&] {
return new GlobalVariable(
M, IRB.getInt32Ty(), true, GlobalValue::WeakODRLinkage,
IRB.getInt32(TrackOrigins), "__msan_track_origins");
});
if (Recover)
new GlobalVariable(M, IRB.getInt32Ty(), true, GlobalValue::WeakODRLinkage,
IRB.getInt32(Recover), "__msan_keep_going");
}
M.getOrInsertGlobal("__msan_keep_going", IRB.getInt32Ty(), [&] {
return new GlobalVariable(M, IRB.getInt32Ty(), true,
GlobalValue::WeakODRLinkage,
IRB.getInt32(Recover), "__msan_keep_going");
});
}
}
bool MemorySanitizerLegacyPass::doInitialization(Module &M) {
MSan.emplace(M, TrackOrigins, Recover, EnableKmsan);
return true;
}
@ -985,8 +1013,9 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
SmallVector<ShadowOriginAndInsertPoint, 16> InstrumentationList;
SmallVector<StoreInst *, 16> StoreList;
MemorySanitizerVisitor(Function &F, MemorySanitizer &MS)
: F(F), MS(MS), VAHelper(CreateVarArgHelper(F, MS, *this)) {
MemorySanitizerVisitor(Function &F, MemorySanitizer &MS,
const TargetLibraryInfo &TLI)
: F(F), MS(MS), VAHelper(CreateVarArgHelper(F, MS, *this)), TLI(&TLI) {
bool SanitizeFunction = F.hasFnAttribute(Attribute::SanitizeMemory);
InsertChecks = SanitizeFunction;
PropagateShadow = SanitizeFunction;
@ -995,7 +1024,6 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
// FIXME: Consider using SpecialCaseList to specify a list of functions that
// must always return fully initialized values. For now, we hardcode "main".
CheckReturnValue = SanitizeFunction && (F.getName() == "main");
TLI = &MS.getAnalysis<TargetLibraryInfoWrapperPass>().getTLI();
MS.initializeCallbacks(*F.getParent());
if (MS.CompileKernel)
@ -4430,10 +4458,8 @@ static VarArgHelper *CreateVarArgHelper(Function &Func, MemorySanitizer &Msan,
return new VarArgNoOpHelper(Func, Msan, Visitor);
}
bool MemorySanitizer::runOnFunction(Function &F) {
if (!CompileKernel && (&F == MsanCtorFunction))
return false;
MemorySanitizerVisitor Visitor(F, *this);
bool MemorySanitizer::sanitizeFunction(Function &F, TargetLibraryInfo &TLI) {
MemorySanitizerVisitor Visitor(F, *this, TLI);
// Clear out readonly/readnone attributes.
AttrBuilder B;

21
lib/Transforms/Utils/ModuleUtils.cpp
View File

@ -174,6 +174,27 @@ std::pair<Function *, Function *> llvm::createSanitizerCtorAndInitFunctions(
return std::make_pair(Ctor, InitFunction);
}
Function *llvm::getOrCreateInitFunction(Module &M, StringRef Name) {
assert(!Name.empty() && "Expected init function name");
if (Function *F = M.getFunction(Name)) {
if (F->arg_size() != 0 ||
F->getReturnType() != Type::getVoidTy(M.getContext())) {
std::string Err;
raw_string_ostream Stream(Err);
Stream << "Sanitizer interface function defined with wrong type: " << *F;
report_fatal_error(Err);
}
return F;
}
Function *F = checkSanitizerInterfaceFunction(M.getOrInsertFunction(
Name, AttributeList(), Type::getVoidTy(M.getContext())));
F->setLinkage(Function::ExternalLinkage);
appendToGlobalCtors(M, F, 0);
return F;
}
void llvm::filterDeadComdatFunctions(
Module &M, SmallVectorImpl<Function *> &DeadComdatFunctions) {
// Build a map from the comdat to the number of entries in that comdat we

1
test/Instrumentation/MemorySanitizer/AArch64/vararg.ll
View File

@ -1,3 +1,4 @@
; RUN: opt < %s -S -passes=msan 2>&1 | FileCheck %s
; RUN: opt < %s -msan -S | FileCheck %s
target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"

1
test/Instrumentation/MemorySanitizer/Mips/vararg-mips64.ll
View File

@ -1,3 +1,4 @@
; RUN: opt < %s -S -passes=msan 2>&1 | FileCheck %s
; RUN: opt < %s -msan -S | FileCheck %s
target datalayout = "E-m:m-i8:8:32-i16:16:32-i64:64-n32:64-S128"

1
test/Instrumentation/MemorySanitizer/Mips/vararg-mips64el.ll
View File

@ -1,3 +1,4 @@
; RUN: opt < %s -S -passes=msan 2>&1 | FileCheck %s
; RUN: opt < %s -msan -S | FileCheck %s
target datalayout = "e-m:m-i8:8:32-i16:16:32-i64:64-n32:64-S128"

1
test/Instrumentation/MemorySanitizer/PowerPC/vararg-ppc64.ll
View File

@ -1,3 +1,4 @@
; RUN: opt < %s -S -passes=msan 2>&1 | FileCheck %s
; RUN: opt < %s -msan -S | FileCheck %s
target datalayout = "E-m:e-i64:64-n32:64"

1
test/Instrumentation/MemorySanitizer/PowerPC/vararg-ppc64le.ll
View File

@ -1,3 +1,4 @@
; RUN: opt < %s -S -passes=msan 2>&1 | FileCheck %s
; RUN: opt < %s -msan -S | FileCheck %s
target datalayout = "e-m:e-i64:64-n32:64"

2
test/Instrumentation/MemorySanitizer/X86/vararg-too-large.ll
View File

@ -1,3 +1,5 @@
; RUN: opt < %s -msan-check-access-address=0 -S 2>&1 -passes=msan | FileCheck \
; RUN: %s
; RUN: opt < %s -msan -msan-check-access-address=0 -S 2>&1 | FileCheck %s
; Test that MSan doesn't generate code overflowing __msan_va_arg_tls when too many arguments are

1
test/Instrumentation/MemorySanitizer/X86/vararg.ll
View File

@ -1,3 +1,4 @@
; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1
; RUN: opt < %s -msan -msan-check-access-address=0 -S
; Test that code using va_start can be compiled on i386.

6
test/Instrumentation/MemorySanitizer/X86/vararg_call.ll
View File

@ -1,5 +1,11 @@
; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck \
; RUN: %s
; RUN: opt < %s -msan -msan-check-access-address=0 -S | FileCheck %s
; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=1 -S \
; RUN: -passes=msan 2>&1 | FileCheck %s "--check-prefixes=CHECK,CHECK-ORIGIN"
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=1 -S | FileCheck %s --check-prefixes=CHECK,CHECK-ORIGIN
; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=2 -S \
; RUN: -passes=msan 2>&1 | FileCheck %s "--check-prefixes=CHECK,CHECK-ORIGIN"
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=2 -S | FileCheck %s --check-prefixes=CHECK,CHECK-ORIGIN
; Test that shadow and origin are stored for variadic function params.

10
test/Instrumentation/MemorySanitizer/alloca.ll
View File

@ -1,7 +1,17 @@
; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck \
; RUN: %s "--check-prefixes=CHECK,INLINE"
; RUN: opt < %s -msan -msan-check-access-address=0 -S | FileCheck %s --check-prefixes=CHECK,INLINE
; RUN: opt < %s -msan-check-access-address=0 -msan-poison-stack-with-call=1 -S \
; RUN: -passes=msan 2>&1 | FileCheck %s "--check-prefixes=CHECK,CALL"
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-poison-stack-with-call=1 -S | FileCheck %s --check-prefixes=CHECK,CALL
; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=1 -S \
; RUN: -passes=msan 2>&1 | FileCheck %s "--check-prefixes=CHECK,ORIGIN"
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=1 -S | FileCheck %s --check-prefixes=CHECK,ORIGIN
; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=2 -S \
; RUN: -passes=msan 2>&1 | FileCheck %s "--check-prefixes=CHECK,ORIGIN"
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=2 -S | FileCheck %s --check-prefixes=CHECK,ORIGIN
; RUN: opt < %s -msan-kernel=1 -S -passes=msan 2>&1 | FileCheck %s \
; RUN: "--check-prefixes=CHECK,KMSAN"
; RUN: opt < %s -msan -msan-kernel=1 -S | FileCheck %s --check-prefixes=CHECK,KMSAN
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"

5
test/Instrumentation/MemorySanitizer/array_types.ll
View File

@ -1,4 +1,9 @@
; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck \
; RUN: %s
; RUN: opt < %s -msan -msan-check-access-address=0 -S | FileCheck %s
; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=1 -S \
; RUN: -passes=msan 2>&1 | FileCheck -check-prefix=CHECK \
; RUN: -check-prefix=CHECK-ORIGINS %s --allow-empty
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=1 -S | FileCheck -check-prefix=CHECK -check-prefix=CHECK-ORIGINS %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"

6
test/Instrumentation/MemorySanitizer/atomics.ll
View File

@ -1,5 +1,11 @@
; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck \
; RUN: %s
; RUN: opt < %s -msan -msan-check-access-address=0 -S | FileCheck %s
; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=1 -S \
; RUN: -passes=msan 2>&1 | FileCheck %s
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=1 -S | FileCheck %s
; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=2 -S \
; RUN: -passes=msan 2>&1 | FileCheck %s
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=2 -S | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"

2
test/Instrumentation/MemorySanitizer/byval-alignment.ll
View File

@ -1,5 +1,7 @@
; Test that copy alignment for byval arguments is limited by param-tls slot alignment.
; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck \
; RUN: %s
; RUN: opt < %s -msan -msan-check-access-address=0 -S | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"

2
test/Instrumentation/MemorySanitizer/check-constant-shadow.ll
View File

@ -1,3 +1,5 @@
; RUN: opt < %s -msan-check-access-address=0 -msan-check-constant-shadow=1 \
; RUN: -msan-track-origins=1 -S -passes=msan 2>&1 | FileCheck %s
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-check-constant-shadow=1 -msan-track-origins=1 -S | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"

2
test/Instrumentation/MemorySanitizer/check_access_address.ll
View File

@ -1,3 +1,5 @@
; RUN: opt < %s -msan-check-access-address=1 -S -passes=msan 2>&1 | FileCheck \
; RUN: %s
; RUN: opt < %s -msan -msan-check-access-address=1 -S | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"

4
test/Instrumentation/MemorySanitizer/csr.ll
View File

@ -1,4 +1,8 @@
; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck \
; RUN: %s
; RUN: opt < %s -msan -msan-check-access-address=0 -S | FileCheck %s
; RUN: opt < %s -msan-check-access-address=1 -S -passes=msan 2>&1 | FileCheck \
; RUN: %s --check-prefix=ADDR
; RUN: opt < %s -msan -msan-check-access-address=1 -S | FileCheck %s --check-prefix=ADDR
; REQUIRES: x86-registered-target

17
test/Instrumentation/MemorySanitizer/global_ctors_2to3.ll
View File

@ -1,17 +0,0 @@
; MSan converts 2-element global_ctors to 3-element when adding the new entry.
; RUN: opt < %s -msan -msan-with-comdat -S | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; CHECK: $msan.module_ctor = comdat any
; CHECK: @llvm.global_ctors = appending global [2 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @f, i8* null }, { i32, void ()*, i8* } { i32 0, void ()* @msan.module_ctor, i8* bitcast (void ()* @msan.module_ctor to i8*) }]
@llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 65535, void ()* @f }]
define internal void @f() {
entry:
ret void
}
; CHECK: define internal void @msan.module_ctor() comdat {

11
test/Instrumentation/MemorySanitizer/instrumentation-with-call-threshold.ll
View File

@ -2,8 +2,19 @@
; Test that in with-calls mode there are no calls to __msan_chain_origin - they
; are done from __msan_maybe_store_origin_*.
; RUN: opt < %s -msan-check-access-address=0 \
; RUN: -msan-instrumentation-with-call-threshold=0 -S -passes=msan 2>&1 | \
; RUN: FileCheck %s
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-instrumentation-with-call-threshold=0 -S | FileCheck %s
; RUN: opt < %s -msan-check-access-address=0 \
; RUN: -msan-instrumentation-with-call-threshold=0 -msan-track-origins=1 -S \
; RUN: -passes=msan 2>&1 | FileCheck -check-prefix=CHECK \
; RUN: -check-prefix=CHECK-ORIGINS %s
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-instrumentation-with-call-threshold=0 -msan-track-origins=1 -S | FileCheck -check-prefix=CHECK -check-prefix=CHECK-ORIGINS %s
; RUN: opt < %s -msan-check-access-address=0 \
; RUN: -msan-instrumentation-with-call-threshold=0 -msan-track-origins=2 -S \
; RUN: -passes=msan 2>&1 | FileCheck -check-prefix=CHECK \
; RUN: -check-prefix=CHECK-ORIGINS %s
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-instrumentation-with-call-threshold=0 -msan-track-origins=2 -S | FileCheck -check-prefix=CHECK -check-prefix=CHECK-ORIGINS %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"

11
test/Instrumentation/MemorySanitizer/manual-shadow.ll
View File

@ -1,9 +1,20 @@
; Test that the msan layout customization options work as expected
;
; RUN: opt < %s -msan-shadow-base 3735928559 -S -passes=msan 2>&1 | FileCheck \
; RUN: --check-prefix=CHECK-BASE %s
; RUN: opt < %s -msan -msan-shadow-base 3735928559 -S | FileCheck --check-prefix=CHECK-BASE %s
; RUN: opt < %s -msan-shadow-base 3735928559 -msan-and-mask 4294901760 -S \
; RUN: -passes=msan 2>&1 | FileCheck --check-prefix=CHECK-AND %s
; RUN: opt < %s -msan -msan-shadow-base 3735928559 -msan-and-mask 4294901760 -S | FileCheck --check-prefix=CHECK-AND %s
; RUN: opt < %s -msan-shadow-base 3735928559 -msan-xor-mask 48879 -S \
; RUN: -passes=msan 2>&1 | FileCheck --check-prefix=CHECK-XOR %s
; RUN: opt < %s -msan -msan-shadow-base 3735928559 -msan-xor-mask 48879 -S | FileCheck --check-prefix=CHECK-XOR %s
; RUN: opt < %s -msan-shadow-base 3735928559 -msan-xor-mask 48879 \
; RUN: -msan-and-mask 4294901760 -S -passes=msan 2>&1 | FileCheck \
; RUN: --check-prefix=CHECK-XOR-AND %s
; RUN: opt < %s -msan -msan-shadow-base 3735928559 -msan-xor-mask 48879 -msan-and-mask 4294901760 -S | FileCheck --check-prefix=CHECK-XOR-AND %s
; RUN: opt < %s -msan-track-origins 1 -msan-origin-base 1777777 -S -passes=msan\
; RUN: 2>&1 | FileCheck --check-prefix=CHECK-ORIGIN-BASE %s
; RUN: opt < %s -msan -msan-track-origins 1 -msan-origin-base 1777777 -S | FileCheck --check-prefix=CHECK-ORIGIN-BASE %s
target triple = "x86_64-unknown-linux-gnu"

6
test/Instrumentation/MemorySanitizer/masked-store-load.ll
View File

@ -1,5 +1,11 @@
; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck \
; RUN: %s
; RUN: opt < %s -msan -msan-check-access-address=0 -S | FileCheck %s
; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=1 -S \
; RUN: -passes=msan 2>&1 | FileCheck %s "--check-prefixes=CHECK,CHECK-ORIGIN"
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=1 -S | FileCheck %s --check-prefixes=CHECK,CHECK-ORIGIN
; RUN: opt < %s -msan-check-access-address=1 -S -passes=msan 2>&1 | FileCheck \
; RUN: %s --check-prefix=ADDR
; RUN: opt < %s -msan -msan-check-access-address=1 -S | FileCheck %s --check-prefix=ADDR
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"

2
test/Instrumentation/MemorySanitizer/missing_origin.ll
View File

@ -1,3 +1,5 @@
; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=1 -S \
; RUN: -passes=msan 2>&1 | FileCheck %s
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=1 -S | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"

6
test/Instrumentation/MemorySanitizer/msan_asm_conservative.ll
View File

@ -1,5 +1,11 @@
; Test for handling of asm constraints in MSan instrumentation.
; RUN: opt < %s -msan-kernel=1 -msan-check-access-address=0 \
; RUN: -msan-handle-asm-conservative=0 -S -passes=msan 2>&1 | FileCheck \
; RUN: "-check-prefixes=CHECK,CHECK-NONCONS" %s
; RUN: opt < %s -msan -msan-kernel=1 -msan-check-access-address=0 -msan-handle-asm-conservative=0 -S | FileCheck -check-prefixes=CHECK,CHECK-NONCONS %s
; RUN: opt < %s -msan-kernel=1 -msan-check-access-address=0 \
; RUN: -msan-handle-asm-conservative=1 -S -passes=msan 2>&1 | FileCheck \
; RUN: "-check-prefixes=CHECK,CHECK-CONS" %s
; RUN: opt < %s -msan -msan-kernel=1 -msan-check-access-address=0 -msan-handle-asm-conservative=1 -S | FileCheck -check-prefixes=CHECK,CHECK-CONS %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"

10
test/Instrumentation/MemorySanitizer/msan_basic.ll
View File

@ -1,10 +1,15 @@
; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck \
; RUN: -allow-deprecated-dag-overlap %s
; RUN: opt < %s -msan -msan-check-access-address=0 -S | FileCheck -allow-deprecated-dag-overlap %s
; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=1 -S \
; RUN: -passes=msan 2>&1 | FileCheck -allow-deprecated-dag-overlap \
; RUN: -check-prefix=CHECK -check-prefix=CHECK-ORIGINS %s
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=1 -S | FileCheck -allow-deprecated-dag-overlap -check-prefix=CHECK -check-prefix=CHECK-ORIGINS %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; CHECK: @llvm.global_ctors {{.*}} { i32 0, void ()* @msan.module_ctor, i8* null }
; CHECK: @llvm.global_ctors {{.*}} { i32 0, void ()* @__msan_init, i8* null }
; Check the presence and the linkage type of __msan_track_origins and
; other interface symbols.
@ -986,5 +991,4 @@ define i8* @MismatchingCallMustTailCall(i32 %a) sanitize_memory {
; CHECK-NEXT: ret i8*
; CHECK-LABEL: define internal void @msan.module_ctor() {
; CHECK: call void @__msan_init()
; CHECK: declare void @__msan_init()

2
test/Instrumentation/MemorySanitizer/msan_kernel_basic.ll
View File

@ -1,4 +1,6 @@
; KMSAN instrumentation tests
; RUN: opt < %s -msan-kernel=1 -S -passes=msan 2>&1 | FileCheck %s \
; RUN: -check-prefixes=CHECK
; RUN: opt < %s -msan -msan-kernel=1 -S | FileCheck %s -check-prefixes=CHECK
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"

6
test/Instrumentation/MemorySanitizer/msan_x86_bts_asm.ll
View File

@ -1,5 +1,11 @@
; Test for the conservative assembly handling mode used by KMSAN.
; RUN: opt < %s -msan-kernel=1 -msan-check-access-address=0 \
; RUN: -msan-handle-asm-conservative=0 -S -passes=msan 2>&1 | FileCheck \
; RUN: "-check-prefixes=CHECK,CHECK-NONCONS" %s
; RUN: opt < %s -msan -msan-kernel=1 -msan-check-access-address=0 -msan-handle-asm-conservative=0 -S | FileCheck -check-prefixes=CHECK,CHECK-NONCONS %s
; RUN: opt < %s -msan-kernel=1 -msan-check-access-address=0 \
; RUN: -msan-handle-asm-conservative=1 -S -passes=msan 2>&1 | FileCheck \
; RUN: "-check-prefixes=CHECK,CHECK-CONS" %s
; RUN: opt < %s -msan -msan-kernel=1 -msan-check-access-address=0 -msan-handle-asm-conservative=1 -S | FileCheck -check-prefixes=CHECK,CHECK-CONS %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"

5
test/Instrumentation/MemorySanitizer/msan_x86intrinsics.ll
View File

@ -1,4 +1,9 @@
; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck \
; RUN: %s
; RUN: opt < %s -msan -msan-check-access-address=0 -S | FileCheck %s
; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=1 -S \
; RUN: -passes=msan 2>&1 | FileCheck -check-prefix=CHECK \
; RUN: -check-prefix=CHECK-ORIGINS %s
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=1 -S | FileCheck -check-prefix=CHECK -check-prefix=CHECK-ORIGINS %s
; REQUIRES: x86-registered-target

2
test/Instrumentation/MemorySanitizer/mul_by_constant.ll
View File

@ -1,3 +1,5 @@
; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck \
; RUN: %s
; RUN: opt < %s -msan -msan-check-access-address=0 -S | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"

2
test/Instrumentation/MemorySanitizer/nosanitize.ll
View File

@ -1,5 +1,7 @@
; Verify that calls with !nosanitize are not instrumented by MSan.
; RUN: opt < %s -S -passes=msan 2>&1 | FileCheck %s
; RUN: opt < %s -msan -S | FileCheck %s
; RUN: opt < %s -msan-track-origins=1 -S -passes=msan 2>&1 | FileCheck %s
; RUN: opt < %s -msan -msan-track-origins=1 -S | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

6
test/Instrumentation/MemorySanitizer/origin-alignment.ll
View File

@ -1,4 +1,10 @@
; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=1 -S \
; RUN: -passes=msan 2>&1 | FileCheck -check-prefix=CHECK \
; RUN: -check-prefix=CHECK-ORIGINS1 %s
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=1 -S | FileCheck -check-prefix=CHECK -check-prefix=CHECK-ORIGINS1 %s
; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=2 -S \
; RUN: -passes=msan 2>&1 | FileCheck -check-prefix=CHECK \
; RUN: -check-prefix=CHECK-ORIGINS2 %s
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=2 -S | FileCheck -check-prefix=CHECK -check-prefix=CHECK-ORIGINS2 %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"

2
test/Instrumentation/MemorySanitizer/origin-array.ll
View File

@ -1,3 +1,5 @@
; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=2 -S \
; RUN: -passes=msan 2>&1 | FileCheck %s
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=2 -S | FileCheck %s
target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"

1
test/Instrumentation/MemorySanitizer/pr32842.ll
View File

@ -1,5 +1,6 @@
; Regression test for https://bugs.llvm.org/show_bug.cgi?id=32842
;
; RUN: opt < %s -S -passes=msan 2>&1 | FileCheck %s
; RUN: opt < %s -msan -S | FileCheck %s
;target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

2
test/Instrumentation/MemorySanitizer/return_from_main.ll
View File

@ -1,3 +1,5 @@
; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck \
; RUN: %s
; RUN: opt < %s -msan -msan-check-access-address=0 -S | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

2
test/Instrumentation/MemorySanitizer/store-long-origin.ll
View File

@ -1,3 +1,5 @@
; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=1 -S \
; RUN: -passes=msan 2>&1 | FileCheck %s
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=1 -S | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"

8
test/Instrumentation/MemorySanitizer/store-origin.ll
View File

@ -1,5 +1,13 @@
; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=1 -S \
; RUN: -passes=msan 2>&1 | FileCheck \
; RUN: "-check-prefixes=CHECK,CHECK-MSAN,CHECK-ORIGINS1" %s
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=1 -S | FileCheck -check-prefixes=CHECK,CHECK-MSAN,CHECK-ORIGINS1 %s
; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=2 -S \
; RUN: -passes=msan 2>&1 | FileCheck \
; RUN: "-check-prefixes=CHECK,CHECK-MSAN,CHECK-ORIGINS2" %s
; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=2 -S | FileCheck -check-prefixes=CHECK,CHECK-MSAN,CHECK-ORIGINS2 %s
; RUN: opt < %s -msan-kernel=1 -msan-check-access-address=0 -S -passes=msan \
; RUN: 2>&1 | FileCheck "-check-prefixes=CHECK,CHECK-KMSAN,CHECK-ORIGINS2" %s
; RUN: opt < %s -msan -msan-kernel=1 -msan-check-access-address=0 -S | FileCheck -check-prefixes=CHECK,CHECK-KMSAN,CHECK-ORIGINS2 %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"

1
test/Instrumentation/MemorySanitizer/str-nobuiltin.ll
View File

@ -1,5 +1,6 @@
; Test marking string functions as nobuiltin in memory sanitizer.
;
; RUN: opt < %s -S -passes=msan 2>&1 | FileCheck %s
; RUN: opt < %s -msan -S | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-unknown-linux-gnu"

1
test/Instrumentation/MemorySanitizer/unreachable.ll
View File

@ -1,3 +1,4 @@
; RUN: opt < %s -S -passes=msan 2>&1 | FileCheck %s
; RUN: opt < %s -msan -S | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

1
test/Instrumentation/MemorySanitizer/unsized_type.ll
View File

@ -1,5 +1,6 @@
; Check that unsized token types used by coroutine intrinsics do not cause
; assertion failures.
; RUN: opt < %s -S 2>&1 -passes=msan | FileCheck %s
; RUN: opt < %s -msan -S 2>&1 | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"

2
test/Instrumentation/MemorySanitizer/vector_arith.ll
View File

@ -1,3 +1,5 @@
; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck \
; RUN: %s
; RUN: opt < %s -msan -msan-check-access-address=0 -S | FileCheck %s
; REQUIRES: x86-registered-target

2
test/Instrumentation/MemorySanitizer/vector_cmp.ll
View File

@ -1,3 +1,5 @@
; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck \
; RUN: %s
; RUN: opt < %s -msan -msan-check-access-address=0 -S | FileCheck %s
; REQUIRES: x86-registered-target

2
test/Instrumentation/MemorySanitizer/vector_cvt.ll
View File

@ -1,3 +1,5 @@
; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck \
; RUN: %s
; RUN: opt < %s -msan -msan-check-access-address=0 -S | FileCheck %s
; REQUIRES: x86-registered-target

2
test/Instrumentation/MemorySanitizer/vector_pack.ll
View File

@ -1,3 +1,5 @@
; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck \
; RUN: %s
; RUN: opt < %s -msan -msan-check-access-address=0 -S | FileCheck %s
; REQUIRES: x86-registered-target

2
test/Instrumentation/MemorySanitizer/vector_shift.ll
View File

@ -1,3 +1,5 @@
; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck \
; RUN: %s
; RUN: opt < %s -msan -msan-check-access-address=0 -S | FileCheck %s
; REQUIRES: x86-registered-target

4
test/Instrumentation/MemorySanitizer/with-call-type-size.ll
View File

@ -1,3 +1,5 @@
; RUN: opt < %s -msan-instrumentation-with-call-threshold=0 -S -passes=msan \
; RUN: 2>&1 | FileCheck %s
; RUN: opt < %s -msan -msan-instrumentation-with-call-threshold=0 -S | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
@ -82,4 +84,4 @@ define <4 x i32> @test65(<4 x i32> %vec, i65 %idx, i32 %x) sanitize_memory {
; CHECK-NOT: call void @__msan_maybe_warning_
; CHECK: icmp ne i65 %{{.*}}, 0
; CHECK-NOT: call void @__msan_maybe_warning_
; CHECK: ret <4 x i32>
; CHECK: ret <4 x i32>