26 lines · plain
1; Test that AddressSanitizer instruments "(*a)++" only once.2; RUN: opt < %s -passes=asan -S -asan-opt=1 | FileCheck %s -check-prefix=OPT13; RUN: opt < %s -passes=asan -S -asan-opt=0 | FileCheck %s -check-prefix=OPT04 5target 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"6target triple = "x86_64-unknown-linux-gnu"7define void @IncrementMe(ptr %a) sanitize_address {8entry:9 %tmp1 = load i32, ptr %a, align 410 %tmp2 = add i32 %tmp1, 111 store i32 %tmp2, ptr %a, align 412 ret void13}14 15; With optimizations enabled we should see only one call to __asan_report_*16; OPT1: IncrementMe17; OPT1: __asan_report_18; OPT1-NOT: __asan_report_19; OPT1: ret void20 21; Without optimizations we should see two calls to __asan_report_*22; OPT0: IncrementMe23; OPT0: __asan_report_24; OPT0: __asan_report_25; OPT0: ret void26