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