1; RUN: opt < %s -passes=dfsan -S | FileCheck %s 2target 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_tls 6; CHECK: = external thread_local(initialexec) global [100 x i64] 7 8; CHECK-LABEL: @__dfsan_retval_tls 9; 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.dfsan 15define i32 @call() { 16 ; CHECK: store{{.*}}__dfsan_arg_tls 17 ; CHECK: call{{.*}}@f.dfsan 18 ; CHECK: load{{.*}}__dfsan_retval_tls 19 %r = call i32 @f(i32 0) 20 21 ; CHECK-NOT: store{{.*}}__dfsan_arg_tls 22 %i = call float @llvm.sqrt.f32(float -1.0) 23 24 ; CHECK: store{{.*}}__dfsan_retval_tls 25 ; CHECK: ret i32 26 ret i32 %r 27} 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.dfsan 38; 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 %lpad 44 45lpad: 46 %0 = landingpad { ptr, i32 } 47 catch ptr null 48 %1 = extractvalue { ptr, i32 } %0, 0 49 50 ; CHECK: store {{.*}} @__dfsan_arg_tls 51 ; CHECK: call {{.*}} @__cxa_begin_catch.dfsan 52 ; CHECK: load {{.*}} @__dfsan_retval_tls 53 %2 = tail call ptr @__cxa_begin_catch(ptr %1) 54 55 ; CHECK: call {{.*}} @__cxa_end_catch.dfsan 56 tail call void @__cxa_end_catch() 57 br label %try.cont 58 59try.cont: 60 ret i32 0 61} 62