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1; RUN: opt < %s -passes=dfsan -S | FileCheck %s2target 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 5; CHECK-LABEL: @unreachable_bb1.dfsan6define i8 @unreachable_bb1() {7 ; CHECK: ret i8 18 ; CHECK-NOT: bb2:9 ; CHECK-NOT: bb3:10 ; CHECK-NOT: bb4:11 ret i8 112 13bb2:14 ret i8 215 16bb3:17 br label %bb418 19bb4:20 br label %bb321}22 23declare void @abort() noreturn24 25; CHECK-LABEL: @unreachable_bb2.dfsan26define i8 @unreachable_bb2() {27 call void @abort() noreturn28 ; CHECK-NOT: i8 1229 ; CHECK: unreachable30 ret i8 1231}32