2012-01-04 09:02:14 +08:00
|
|
|
; Test that AddressSanitizer instruments "(*a)++" only once.
|
|
|
|
|
; RUN: opt < %s -asan -S -asan-opt=1 | FileCheck %s -check-prefix=OPT1
|
|
|
|
|
; RUN: opt < %s -asan -S -asan-opt=0 | FileCheck %s -check-prefix=OPT0
|
|
|
|
|
|
|
|
|
|
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"
|
2012-01-25 03:34:43 +08:00
|
|
|
define void @IncrementMe(i32* %a) address_safety {
|
2012-01-04 09:02:14 +08:00
|
|
|
entry:
|
|
|
|
|
%tmp1 = load i32* %a, align 4
|
|
|
|
|
%tmp2 = add i32 %tmp1, 1
|
|
|
|
|
store i32 %tmp2, i32* %a, align 4
|
|
|
|
|
ret void
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
; With optimizations enabled we should see only one call to __asan_report_*
|
|
|
|
|
; OPT1: IncrementMe
|
|
|
|
|
; OPT1: __asan_report_
|
|
|
|
|
; OPT1-NOT: __asan_report_
|
|
|
|
|
; OPT1: asan.module_ctor
|
|
|
|
|
|
|
|
|
|
; Without optimizations we should see two calls to __asan_report_*
|
|
|
|
|
; OPT0: IncrementMe
|
|
|
|
|
; OPT0: __asan_report_
|
|
|
|
|
; OPT0: __asan_report_
|
|
|
|
|
; OPT0: asan.module_ctor
|
