1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=aarch64-none-linux-gnu -relocation-model=pic -o - %s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=aarch64_be-none-linux-gnu -relocation-model=pic -o - %s | FileCheck %s 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Worker; Make sure exception-handling PIC code can be linked correctly. An alternative 5*9880d681SAndroid Build Coastguard Worker; to the sequence described below would have .gcc_except_table itself writable 6*9880d681SAndroid Build Coastguard Worker; and not use the indirection, but this isn't what LLVM does right now. 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Worker ; There should be a read-only .gcc_except_table section... 9*9880d681SAndroid Build Coastguard Worker; CHECK: .section .gcc_except_table,"a" 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Worker ; ... referring indirectly to stubs for its typeinfo ... 12*9880d681SAndroid Build Coastguard Worker; CHECK: // @TType Encoding = indirect pcrel sdata8 13*9880d681SAndroid Build Coastguard Worker ; ... one of which is "int"'s typeinfo 14*9880d681SAndroid Build Coastguard Worker; CHECK: [[TYPEINFO_LBL:.Ltmp[0-9]+]]: // TypeInfo 1 15*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: .xword .L_ZTIi.DW.stub-[[TYPEINFO_LBL]] 16*9880d681SAndroid Build Coastguard Worker 17*9880d681SAndroid Build Coastguard Worker ; .. and which is properly defined (in a writable section for the dynamic loader) later. 18*9880d681SAndroid Build Coastguard Worker; CHECK: .data 19*9880d681SAndroid Build Coastguard Worker; CHECK: .L_ZTIi.DW.stub: 20*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: .xword _ZTIi 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard Worker@_ZTIi = external constant i8* 23*9880d681SAndroid Build Coastguard Worker 24*9880d681SAndroid Build Coastguard Workerdefine i32 @_Z3barv() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { 25*9880d681SAndroid Build Coastguard Workerentry: 26*9880d681SAndroid Build Coastguard Worker invoke void @_Z3foov() 27*9880d681SAndroid Build Coastguard Worker to label %return unwind label %lpad 28*9880d681SAndroid Build Coastguard Worker 29*9880d681SAndroid Build Coastguard Workerlpad: ; preds = %entry 30*9880d681SAndroid Build Coastguard Worker %0 = landingpad { i8*, i32 } 31*9880d681SAndroid Build Coastguard Worker catch i8* bitcast (i8** @_ZTIi to i8*) 32*9880d681SAndroid Build Coastguard Worker %1 = extractvalue { i8*, i32 } %0, 1 33*9880d681SAndroid Build Coastguard Worker %2 = tail call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) nounwind 34*9880d681SAndroid Build Coastguard Worker %matches = icmp eq i32 %1, %2 35*9880d681SAndroid Build Coastguard Worker br i1 %matches, label %catch, label %eh.resume 36*9880d681SAndroid Build Coastguard Worker 37*9880d681SAndroid Build Coastguard Workercatch: ; preds = %lpad 38*9880d681SAndroid Build Coastguard Worker %3 = extractvalue { i8*, i32 } %0, 0 39*9880d681SAndroid Build Coastguard Worker %4 = tail call i8* @__cxa_begin_catch(i8* %3) nounwind 40*9880d681SAndroid Build Coastguard Worker %5 = bitcast i8* %4 to i32* 41*9880d681SAndroid Build Coastguard Worker %exn.scalar = load i32, i32* %5, align 4 42*9880d681SAndroid Build Coastguard Worker tail call void @__cxa_end_catch() nounwind 43*9880d681SAndroid Build Coastguard Worker br label %return 44*9880d681SAndroid Build Coastguard Worker 45*9880d681SAndroid Build Coastguard Workerreturn: ; preds = %entry, %catch 46*9880d681SAndroid Build Coastguard Worker %retval.0 = phi i32 [ %exn.scalar, %catch ], [ 42, %entry ] 47*9880d681SAndroid Build Coastguard Worker ret i32 %retval.0 48*9880d681SAndroid Build Coastguard Worker 49*9880d681SAndroid Build Coastguard Workereh.resume: ; preds = %lpad 50*9880d681SAndroid Build Coastguard Worker resume { i8*, i32 } %0 51*9880d681SAndroid Build Coastguard Worker} 52*9880d681SAndroid Build Coastguard Worker 53*9880d681SAndroid Build Coastguard Workerdeclare void @_Z3foov() 54*9880d681SAndroid Build Coastguard Worker 55*9880d681SAndroid Build Coastguard Workerdeclare i32 @__gxx_personality_v0(...) 56*9880d681SAndroid Build Coastguard Worker 57*9880d681SAndroid Build Coastguard Workerdeclare i32 @llvm.eh.typeid.for(i8*) nounwind readnone 58*9880d681SAndroid Build Coastguard Worker 59*9880d681SAndroid Build Coastguard Workerdeclare i8* @__cxa_begin_catch(i8*) 60*9880d681SAndroid Build Coastguard Worker 61*9880d681SAndroid Build Coastguard Workerdeclare void @__cxa_end_catch() 62