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[HWASAN] Instrument memorty intrinsics by default
ClosedPublic

Authored by evgeny777 on Dec 20 2018, 6:30 AM.

Reviewers

kcc
eugenis

Commits

LGTM

This revision is now accepted and ready to land.Dec 20 2018, 12:03 PM

This revision was automatically updated to reflect the committed changes.

Path

Size

lib/

Transforms/

Instrumentation/

2 lines

test/

Instrumentation/

HWAddressSanitizer/

2 lines

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	static cl::opt<bool>			static cl::opt<bool>
	ClCreateFrameDescriptions("hwasan-create-frame-descriptions",			ClCreateFrameDescriptions("hwasan-create-frame-descriptions",
	cl::desc("create static frame descriptions"),			cl::desc("create static frame descriptions"),
	cl::Hidden, cl::init(true));			cl::Hidden, cl::init(true));

	static cl::opt<bool>			static cl::opt<bool>
	ClInstrumentMemIntrinsics("hwasan-instrument-mem-intrinsics",			ClInstrumentMemIntrinsics("hwasan-instrument-mem-intrinsics",
	cl::desc("instrument memory intrinsics"),			cl::desc("instrument memory intrinsics"),
	cl::Hidden, cl::init(false));			cl::Hidden, cl::init(true));
	namespace {			namespace {

	/// An instrumentation pass implementing detection of addressability bugs			/// An instrumentation pass implementing detection of addressability bugs
	/// using tagged pointers.			/// using tagged pointers.
	class HWAddressSanitizer : public FunctionPass {			class HWAddressSanitizer : public FunctionPass {
	public:			public:
	// Pass identification, replacement for typeid.			// Pass identification, replacement for typeid.
	static char ID;			static char ID;
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	; RUN: opt -S -hwasan -hwasan-instrument-mem-intrinsics %s \| FileCheck %s			; RUN: opt -S -hwasan %s \| FileCheck %s

	target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"			target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
	target triple = "x86_64-unknown-linux-gnu"			target triple = "x86_64-unknown-linux-gnu"

	; Function Attrs: noinline nounwind optnone uwtable			; Function Attrs: noinline nounwind optnone uwtable
	define dso_local i32 @main() sanitize_hwaddress {			define dso_local i32 @main() sanitize_hwaddress {
	entry:			entry:
	%retval = alloca i32, align 4			%retval = alloca i32, align 4
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