1; RUN: opt < %s -passes=dfsan -dfsan-event-callbacks=1 -S | FileCheck %s 2target 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-S128" 3target triple = "x86_64-unknown-linux-gnu" 4 5define i8 @load8(ptr %p) { 6 ; CHECK: call void @__dfsan_load_callback(i8 zeroext %[[LABEL:.*]], ptr %p) 7 ; CHECK: %a = load i8, ptr %p 8 ; CHECK: store i8 %[[LABEL]], ptr @__dfsan_retval_tls 9 10 %a = load i8, ptr %p 11 ret i8 %a 12} 13 14define void @store8(ptr %p, i8 %a) { 15 ; CHECK: store i8 %[[LABEL:.*]], ptr %{{.*}} 16 ; CHECK: call void @__dfsan_store_callback(i8 zeroext %[[LABEL]], ptr %p) 17 ; CHECK: store i8 %a, ptr %p 18 19 store i8 %a, ptr %p 20 ret void 21} 22 23define i1 @cmp(i8 %a, i8 %b) { 24 ; CHECK: call void @__dfsan_cmp_callback(i8 zeroext %[[CMPLABEL:.*]]) 25 ; CHECK: %c = icmp ne i8 %a, %b 26 ; CHECK: store i8 %[[CMPLABEL]], ptr @__dfsan_retval_tls 27 28 %c = icmp ne i8 %a, %b 29 ret i1 %c 30} 31 32; CHECK: declare void @__dfsan_load_callback(i8 zeroext, ptr) 33; CHECK: declare void @__dfsan_store_callback(i8 zeroext, ptr) 34; CHECK: declare void @__dfsan_mem_transfer_callback(ptr, i64) 35; CHECK: declare void @__dfsan_cmp_callback(i8 zeroext) 36; CHECK: declare void @__dfsan_conditional_callback(i8 zeroext) 37; CHECK: declare void @__dfsan_conditional_callback_origin(i8 zeroext, i32) 38; CHECK: declare void @__dfsan_reaches_function_callback(i8 zeroext, ptr, i32, ptr) 39; CHECK: declare void @__dfsan_reaches_function_callback_origin(i8 zeroext, i32, ptr, i32, ptr) 40