llvm-ir-diff/08F2F01EBE64F2D8.ll at main · aeubanks/llvm-ir-diff · GitHub

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; ModuleID = '/usr/local/google/home/aeubanks/repos/test-suite/SingleSource/Regression/C++/EH/recursive-throw.cpp'
source_filename = "/usr/local/google/home/aeubanks/repos/test-suite/SingleSource/Regression/C++/EH/recursive-throw.cpp"
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

$_ZTS13TestException = comdat any

$_ZTI13TestException = comdat any

@thrown = dso_local local_unnamed_addr global i8 0, align 1
@caught = dso_local local_unnamed_addr global i8 0, align 1
@_ZTVN10__cxxabiv117__class_type_infoE = external global ptr
@_ZTS13TestException = linkonce_odr dso_local constant [16 x i8] c"13TestException\00", comdat, align 1
@_ZTI13TestException = linkonce_odr dso_local constant { ptr, ptr } { ptr getelementptr inbounds (ptr, ptr @_ZTVN10__cxxabiv117__class_type_infoE, i64 2), ptr @_ZTS13TestException }, comdat, align 8

; Function Attrs: noreturn uwtable
define dso_local void @_Z3thri(i32 %n) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
entry:
  store i8 1, ptr @thrown, align 1, !tbaa !5
  %exception = tail call ptr @__cxa_allocate_exception(i64 1) #5
  tail call void @__cxa_throw(ptr %exception, ptr nonnull @_ZTI13TestException, ptr null) #6
  unreachable
}

declare ptr @__cxa_allocate_exception(i64) local_unnamed_addr

declare i32 @__gxx_personality_v0(...)

declare void @__cxa_throw(ptr, ptr, ptr) local_unnamed_addr

; Function Attrs: mustprogress noinline uwtable
define dso_local void @_Z3runv() local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
entry:
  invoke void @_Z3thri(i32 poison)
          to label %invoke.cont.unreachable unwind label %lpad

invoke.cont.unreachable:                          ; preds = %entry
  unreachable

lpad:                                             ; preds = %entry
  %0 = landingpad { ptr, i32 }
          catch ptr @_ZTI13TestException
  %1 = extractvalue { ptr, i32 } %0, 1
  %2 = tail call i32 @llvm.eh.typeid.for(ptr nonnull @_ZTI13TestException) #5
  %matches = icmp eq i32 %1, %2
  br i1 %matches, label %catch, label %eh.resume

catch:                                            ; preds = %lpad
  %3 = extractvalue { ptr, i32 } %0, 0
  %4 = tail call ptr @__cxa_begin_catch(ptr %3) #5
  store i8 1, ptr @caught, align 1, !tbaa !5
  tail call void @__cxa_end_catch()
  ret void

eh.resume:                                        ; preds = %lpad
  resume { ptr, i32 } %0
}

; Function Attrs: noreturn nounwind
declare void @abort() local_unnamed_addr #2

; Function Attrs: nofree nosync nounwind memory(none)
declare i32 @llvm.eh.typeid.for(ptr) #3

declare ptr @__cxa_begin_catch(ptr) local_unnamed_addr

declare void @__cxa_end_catch() local_unnamed_addr

; Function Attrs: mustprogress norecurse nounwind uwtable
define dso_local noundef i32 @main(i32 noundef %argc, ptr nocapture noundef readnone %argv) local_unnamed_addr #4 personality ptr @__gxx_personality_v0 {
entry:
  invoke void @_Z3runv()
          to label %try.cont unwind label %lpad

lpad:                                             ; preds = %entry
  %0 = landingpad { ptr, i32 }
          catch ptr null
  %1 = extractvalue { ptr, i32 } %0, 0
  %2 = tail call ptr @__cxa_begin_catch(ptr %1) #5
  tail call void @abort() #7
  unreachable

try.cont:                                         ; preds = %entry
  %3 = load i8, ptr @thrown, align 1, !tbaa !5, !range !9, !noundef !10
  %tobool.not = icmp eq i8 %3, 0
  %4 = load i8, ptr @caught, align 1, !range !9
  %tobool1.not = icmp eq i8 %4, 0
  %or.cond = select i1 %tobool.not, i1 true, i1 %tobool1.not
  %retval.0 = zext i1 %or.cond to i32
  ret i32 %retval.0
}

attributes #0 = { noreturn uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress noinline uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { noreturn nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nofree nosync nounwind memory(none) }
attributes #4 = { mustprogress norecurse nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nounwind }
attributes #6 = { noreturn }
attributes #7 = { noreturn nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 17.0.0"}
!5 = !{!6, !6, i64 0}
!6 = !{!"bool", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{i8 0, i8 2}
!10 = !{}