1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -dfsan -verify -dfsan-args-abi -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-S128" 3*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-unknown-linux-gnu" 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @"dfs$unreachable_bb1" 6*9880d681SAndroid Build Coastguard Workerdefine i8 @unreachable_bb1() { 7*9880d681SAndroid Build Coastguard Worker ; CHECK: ret { i8, i16 } { i8 1, i16 0 } 8*9880d681SAndroid Build Coastguard Worker ; CHECK-NOT: bb2: 9*9880d681SAndroid Build Coastguard Worker ; CHECK-NOT: bb3: 10*9880d681SAndroid Build Coastguard Worker ; CHECK-NOT: bb4: 11*9880d681SAndroid Build Coastguard Worker ret i8 1 12*9880d681SAndroid Build Coastguard Worker 13*9880d681SAndroid Build Coastguard Workerbb2: 14*9880d681SAndroid Build Coastguard Worker ret i8 2 15*9880d681SAndroid Build Coastguard Worker 16*9880d681SAndroid Build Coastguard Workerbb3: 17*9880d681SAndroid Build Coastguard Worker br label %bb4 18*9880d681SAndroid Build Coastguard Worker 19*9880d681SAndroid Build Coastguard Workerbb4: 20*9880d681SAndroid Build Coastguard Worker br label %bb3 21*9880d681SAndroid Build Coastguard Worker} 22*9880d681SAndroid Build Coastguard Worker 23*9880d681SAndroid Build Coastguard Workerdeclare void @abort() noreturn 24*9880d681SAndroid Build Coastguard Worker 25*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @"dfs$unreachable_bb2" 26*9880d681SAndroid Build Coastguard Workerdefine i8 @unreachable_bb2() { 27*9880d681SAndroid Build Coastguard Worker call void @abort() noreturn 28*9880d681SAndroid Build Coastguard Worker ; CHECK-NOT: i8 12 29*9880d681SAndroid Build Coastguard Worker ; CHECK: unreachable 30*9880d681SAndroid Build Coastguard Worker ret i8 12 31*9880d681SAndroid Build Coastguard Worker} 32