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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: @__dfsan_arg_tls6; CHECK: = external thread_local(initialexec) global [100 x i64]7 8; CHECK-LABEL: @__dfsan_retval_tls9; CHECK: = external thread_local(initialexec) global [100 x i64]10 11declare i32 @f(i32)12declare float @llvm.sqrt.f32(float)13 14; CHECK-LABEL: @call.dfsan15define i32 @call() {16 ; CHECK: store{{.*}}__dfsan_arg_tls17 ; CHECK: call{{.*}}@f.dfsan18 ; CHECK: load{{.*}}__dfsan_retval_tls19 %r = call i32 @f(i32 0)20 21 ; CHECK-NOT: store{{.*}}__dfsan_arg_tls22 %i = call float @llvm.sqrt.f32(float -1.0)23 24 ; CHECK: store{{.*}}__dfsan_retval_tls25 ; CHECK: ret i3226 ret i32 %r27}28 29declare i32 @__gxx_personality_v0(...)30 31declare ptr @__cxa_begin_catch(ptr)32 33declare void @__cxa_end_catch()34 35declare void @g(...)36 37; CHECK-LABEL: @h.dfsan38; CHECK: personality {{.*}} @__gxx_personality_v0.dfsan {39define i32 @h() personality ptr @__gxx_personality_v0 {40entry:41; CHECK: invoke void (...) @g.dfsan(i32 42)42 invoke void (...) @g(i32 42)43 to label %try.cont unwind label %lpad44 45lpad:46 %0 = landingpad { ptr, i32 }47 catch ptr null48 %1 = extractvalue { ptr, i32 } %0, 049 50 ; CHECK: store {{.*}} @__dfsan_arg_tls51 ; CHECK: call {{.*}} @__cxa_begin_catch.dfsan52 ; CHECK: load {{.*}} @__dfsan_retval_tls53 %2 = tail call ptr @__cxa_begin_catch(ptr %1)54 55 ; CHECK: call {{.*}} @__cxa_end_catch.dfsan56 tail call void @__cxa_end_catch()57 br label %try.cont58 59try.cont:60 ret i32 061}62