1 ; RUN: opt < %s -asan -asan-module -S | FileCheck %s 2 ; AddressSanitizer must insert __asan_handle_no_return 3 ; before every noreturn call or invoke. 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 8 declare void @MyNoReturnFunc(i32) noreturn 9 10 define i32 @Call1(i8* nocapture %arg) uwtable sanitize_address { 11 entry: 12 call void @MyNoReturnFunc(i32 1) noreturn ; The call insn has noreturn attr. 13 ; CHECK: @Call1 14 ; CHECK: call void @__asan_handle_no_return 15 ; CHECK-NEXT: call void @MyNoReturnFunc 16 ; CHECK-NEXT: unreachable 17 unreachable 18 } 19 20 define i32 @Call2(i8* nocapture %arg) uwtable sanitize_address { 21 entry: 22 call void @MyNoReturnFunc(i32 1) ; No noreturn attribure on the call. 23 ; CHECK: @Call2 24 ; CHECK: call void @__asan_handle_no_return 25 ; CHECK-NEXT: call void @MyNoReturnFunc 26 ; CHECK-NEXT: unreachable 27 unreachable 28 } 29 30 declare i32 @__gxx_personality_v0(...) 31 32 define i64 @Invoke1(i8** %esc) nounwind uwtable ssp sanitize_address { 33 entry: 34 invoke void @MyNoReturnFunc(i32 1) 35 to label %invoke.cont unwind label %lpad 36 37 invoke.cont: 38 ret i64 0 39 40 lpad: 41 %0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) 42 filter [0 x i8*] zeroinitializer 43 ret i64 1 44 } 45 ; CHECK: @Invoke1 46 ; CHECK: call void @__asan_handle_no_return 47 ; CHECK-NEXT: invoke void @MyNoReturnFunc 48 ; CHECK: ret i64 0 49 ; CHECK: ret i64 1 50
