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[asan] enable asan only for the functions that have Attribute::AddressSafety 

llvm-svn: 148846
This commit is contained in:
Kostya Serebryany 2012-01-24 19:34:43 +00:00
parent bf740512ec
commit c11d1dd133
4 changed files with 5 additions and 4 deletions
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1
llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp
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@ -608,6 +608,7 @@ bool AddressSanitizer::runOnModule(Module &M) {
bool AddressSanitizer::handleFunction(Module &M, Function &F) {
if (BL->isIn(F)) return false;
if (&F == AsanCtorFunction) return false;
if (!F.hasFnAttr(Attribute::AddressSafety)) return false;
if (!ClDebugFunc.empty() && ClDebugFunc != F.getName())
return false;

4
llvm/test/Instrumentation/AddressSanitizer/bug_11395.ll
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@ -36,14 +36,14 @@ target triple = "i386-unknown-linux-gnu"
@ff_mlp_firorder_7 = external global i8
@ff_mlp_firorder_8 = external global i8
define void @ff_mlp_init_x86(%struct.DSPContext* nocapture %c, %struct.AVCodecContext* nocapture %avctx) nounwind {
define void @ff_mlp_init_x86(%struct.DSPContext* nocapture %c, %struct.AVCodecContext* nocapture %avctx) nounwind address_safety {
entry:
%mlp_filter_channel = getelementptr inbounds %struct.DSPContext* %c, i32 0, i32 131
store void (i32*, i32*, i32, i32, i32, i32, i32, i32*)* @mlp_filter_channel_x86, void (i32*, i32*, i32, i32, i32, i32, i32, i32*)** %mlp_filter_channel, align 4, !tbaa !0
ret void
}
define internal void @mlp_filter_channel_x86(i32* %state, i32* %coeff, i32 %firorder, i32 %iirorder, i32 %filter_shift, i32 %mask, i32 %blocksize, i32* %sample_buffer) nounwind {
define internal void @mlp_filter_channel_x86(i32* %state, i32* %coeff, i32 %firorder, i32 %iirorder, i32 %filter_shift, i32 %mask, i32 %blocksize, i32* %sample_buffer) nounwind address_safety {
entry:
%filter_shift.addr = alloca i32, align 4
%mask.addr = alloca i32, align 4

2
llvm/test/Instrumentation/AddressSanitizer/instrument_load_then_store.ll
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@ -4,7 +4,7 @@
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"
define void @IncrementMe(i32* %a) {
define void @IncrementMe(i32* %a) address_safety {
entry:
%tmp1 = load i32* %a, align 4
%tmp2 = add i32 %tmp1, 1

2
llvm/test/Instrumentation/AddressSanitizer/test64.ll
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@ -1,7 +1,7 @@
; RUN: opt < %s -asan -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"
define i32 @read_4_bytes(i32* %a) {
define i32 @read_4_bytes(i32* %a) address_safety {
entry:
%tmp1 = load i32* %a, align 4
ret i32 %tmp1