1 ; Test that AddressSanitizer instruments "(*a)++" only once. 2 ; RUN: opt < %s -asan -asan-module -S -asan-opt=1 | FileCheck %s -check-prefix=OPT1 3 ; RUN: opt < %s -asan -asan-module -S -asan-opt=0 | FileCheck %s -check-prefix=OPT0 4 5 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" 6 target triple = "x86_64-unknown-linux-gnu" 7 define void @IncrementMe(i32* %a) sanitize_address { 8 entry: 9 %tmp1 = load i32* %a, align 4 10 %tmp2 = add i32 %tmp1, 1 11 store i32 %tmp2, i32* %a, align 4 12 ret void 13 } 14 15 ; With optimizations enabled we should see only one call to __asan_report_* 16 ; OPT1: IncrementMe 17 ; OPT1: __asan_report_ 18 ; OPT1-NOT: __asan_report_ 19 ; OPT1: asan.module_ctor 20 21 ; Without optimizations we should see two calls to __asan_report_* 22 ; OPT0: IncrementMe 23 ; OPT0: __asan_report_ 24 ; OPT0: __asan_report_ 25 ; OPT0: asan.module_ctor 26
