| ; RUN: llc -mtriple=aarch64-none-linux-gnu -relocation-model=pic -o - %s | FileCheck %s | |
| ; RUN: llc -mtriple=aarch64_be-none-linux-gnu -relocation-model=pic -o - %s | FileCheck %s | |
| ; Make sure exception-handling PIC code can be linked correctly. An alternative | |
| ; to the sequence described below would have .gcc_except_table itself writable | |
| ; and not use the indirection, but this isn't what LLVM does right now. | |
| ; There should be a read-only .gcc_except_table section... | |
| ; CHECK: .section .gcc_except_table,"a" | |
| ; ... referring indirectly to stubs for its typeinfo ... | |
| ; CHECK: // @TType Encoding = indirect pcrel sdata8 | |
| ; ... one of which is "int"'s typeinfo | |
| ; CHECK: [[TYPEINFO_LBL:.Ltmp[0-9]+]]: // TypeInfo 1 | |
| ; CHECK-NEXT: .xword .L_ZTIi.DW.stub-[[TYPEINFO_LBL]] | |
| ; .. and which is properly defined (in a writable section for the dynamic loader) later. | |
| ; CHECK: .data | |
| ; CHECK: .L_ZTIi.DW.stub: | |
| ; CHECK-NEXT: .xword _ZTIi | |
| @_ZTIi = external constant i8* | |
| define i32 @_Z3barv() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { | |
| entry: | |
| invoke void @_Z3foov() | |
| to label %return unwind label %lpad | |
| lpad: ; preds = %entry | |
| %0 = landingpad { i8*, i32 } | |
| catch i8* bitcast (i8** @_ZTIi to i8*) | |
| %1 = extractvalue { i8*, i32 } %0, 1 | |
| %2 = tail call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) nounwind | |
| %matches = icmp eq i32 %1, %2 | |
| br i1 %matches, label %catch, label %eh.resume | |
| catch: ; preds = %lpad | |
| %3 = extractvalue { i8*, i32 } %0, 0 | |
| %4 = tail call i8* @__cxa_begin_catch(i8* %3) nounwind | |
| %5 = bitcast i8* %4 to i32* | |
| %exn.scalar = load i32, i32* %5, align 4 | |
| tail call void @__cxa_end_catch() nounwind | |
| br label %return | |
| return: ; preds = %entry, %catch | |
| %retval.0 = phi i32 [ %exn.scalar, %catch ], [ 42, %entry ] | |
| ret i32 %retval.0 | |
| eh.resume: ; preds = %lpad | |
| resume { i8*, i32 } %0 | |
| } | |
| declare void @_Z3foov() | |
| declare i32 @__gxx_personality_v0(...) | |
| declare i32 @llvm.eh.typeid.for(i8*) nounwind readnone | |
| declare i8* @__cxa_begin_catch(i8*) | |
| declare void @__cxa_end_catch() |