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 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" 7 8declare void @MyNoReturnFunc(i32) noreturn 9 10define i32 @Call1(i8* nocapture %arg) uwtable sanitize_address { 11entry: 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 20define i32 @Call2(i8* nocapture %arg) uwtable sanitize_address { 21entry: 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 30declare i32 @__gxx_personality_v0(...) 31 32define i64 @Invoke1(i8** %esc) nounwind uwtable ssp sanitize_address personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { 33entry: 34 invoke void @MyNoReturnFunc(i32 1) 35 to label %invoke.cont unwind label %lpad 36 37invoke.cont: 38 ret i64 0 39 40lpad: 41 %0 = landingpad { i8*, i32 } 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