1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -asan -asan-module -S | FileCheck %s 2*9880d681SAndroid Build Coastguard Workertarget 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" 3*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-unknown-linux-gnu" 4*9880d681SAndroid Build Coastguard Workerdefine i32 @read_4_bytes(i32* %a) sanitize_address { 5*9880d681SAndroid Build Coastguard Workerentry: 6*9880d681SAndroid Build Coastguard Worker %tmp1 = load i32, i32* %a, align 4 7*9880d681SAndroid Build Coastguard Worker ret i32 %tmp1 8*9880d681SAndroid Build Coastguard Worker} 9*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @read_4_bytes 10*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: ret 11*9880d681SAndroid Build Coastguard Worker; CHECK: lshr {{.*}} 3 12*9880d681SAndroid Build Coastguard Worker; Check for ASAN's Offset for 64-bit (7fff8000) 13*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: add{{.*}}2147450880 14*9880d681SAndroid Build Coastguard Worker; CHECK: ret 15*9880d681SAndroid Build Coastguard Worker 16*9880d681SAndroid Build Coastguard Workerdefine void @example_atomicrmw(i64* %ptr) nounwind uwtable sanitize_address { 17*9880d681SAndroid Build Coastguard Workerentry: 18*9880d681SAndroid Build Coastguard Worker %0 = atomicrmw add i64* %ptr, i64 1 seq_cst 19*9880d681SAndroid Build Coastguard Worker ret void 20*9880d681SAndroid Build Coastguard Worker} 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @example_atomicrmw 23*9880d681SAndroid Build Coastguard Worker; CHECK: lshr {{.*}} 3 24*9880d681SAndroid Build Coastguard Worker; CHECK: __asan_report_store8 25*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: __asan_report 26*9880d681SAndroid Build Coastguard Worker; CHECK: atomicrmw 27*9880d681SAndroid Build Coastguard Worker; CHECK: ret 28*9880d681SAndroid Build Coastguard Worker 29*9880d681SAndroid Build Coastguard Workerdefine void @example_cmpxchg(i64* %ptr, i64 %compare_to, i64 %new_value) nounwind uwtable sanitize_address { 30*9880d681SAndroid Build Coastguard Workerentry: 31*9880d681SAndroid Build Coastguard Worker %0 = cmpxchg i64* %ptr, i64 %compare_to, i64 %new_value seq_cst seq_cst 32*9880d681SAndroid Build Coastguard Worker ret void 33*9880d681SAndroid Build Coastguard Worker} 34*9880d681SAndroid Build Coastguard Worker 35*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @example_cmpxchg 36*9880d681SAndroid Build Coastguard Worker; CHECK: lshr {{.*}} 3 37*9880d681SAndroid Build Coastguard Worker; CHECK: __asan_report_store8 38*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: __asan_report 39*9880d681SAndroid Build Coastguard Worker; CHECK: cmpxchg 40*9880d681SAndroid Build Coastguard Worker; CHECK: ret 41