; LLVM IR from Dimandragon/non-parametric-dsp :: alglib-cpp/src/alglibinternal.ll (ZN11alglib_impl10stimerstopEPNS_6stimerEPNS_8ae_stateE)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"struct.alglib_impl::stimer" = type { i64, i64, i8 }

@.str.46 = external hidden unnamed_addr constant [50 x i8], align 1

declare void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext, ptr noundef, ptr noundef) #0

declare noundef i64 @_ZN11alglib_impl12ae_tickcountEv() #0

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN11alglib_impl10stimerstopEPNS_6stimerEPNS_8ae_stateE(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = getelementptr inbounds %"struct.alglib_impl::stimer", ptr %5, i32 0, i32 2
  %7 = load i8, ptr %6, align 8, !tbaa !9, !range !13, !noundef !14
  %8 = trunc i8 %7 to i1
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %8, ptr noundef @.str.46, ptr noundef %9)
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = getelementptr inbounds %"struct.alglib_impl::stimer", ptr %10, i32 0, i32 2
  store i8 0, ptr %11, align 8, !tbaa !9
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = getelementptr inbounds %"struct.alglib_impl::stimer", ptr %12, i32 0, i32 0
  %14 = load i64, ptr %13, align 8, !tbaa !15
  %15 = call noundef i64 @_ZN11alglib_impl12ae_tickcountEv()
  %16 = add nsw i64 %14, %15
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = getelementptr inbounds %"struct.alglib_impl::stimer", ptr %17, i32 0, i32 1
  %19 = load i64, ptr %18, align 8, !tbaa !16
  %20 = sub nsw i64 %16, %19
  %21 = load ptr, ptr %3, align 8, !tbaa !5
  %22 = getelementptr inbounds %"struct.alglib_impl::stimer", ptr %21, i32 0, i32 0
  store i64 %20, ptr %22, align 8, !tbaa !15
  ret void
}

attributes #0 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }

!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 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !12, i64 16}
!10 = !{!"_ZTSN11alglib_impl6stimerE", !11, i64 0, !11, i64 8, !12, i64 16}
!11 = !{!"long", !7, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}
!15 = !{!10, !11, i64 0}
!16 = !{!10, !11, i64 8}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

@.str.46 = external hidden unnamed_addr constant [50 x i8], align 1

declare void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext, ptr noundef, ptr noundef) local_unnamed_addr #0

declare noundef i64 @_ZN11alglib_impl12ae_tickcountEv() local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN11alglib_impl10stimerstopEPNS_6stimerEPNS_8ae_stateE(ptr nocapture noundef %0, ptr noundef %1) local_unnamed_addr #1 {
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  %4 = load i8, ptr %3, align 8, !tbaa !5, !range !11, !noundef !12
  %5 = trunc nuw i8 %4 to i1
  tail call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %5, ptr noundef nonnull @.str.46, ptr noundef %1)
  store i8 0, ptr %3, align 8, !tbaa !5
  %6 = load i64, ptr %0, align 8, !tbaa !13
  %7 = tail call noundef i64 @_ZN11alglib_impl12ae_tickcountEv()
  %8 = add nsw i64 %7, %6
  %9 = getelementptr inbounds i8, ptr %0, i64 8
  %10 = load i64, ptr %9, align 8, !tbaa !14
  %11 = sub i64 %8, %10
  store i64 %11, ptr %0, align 8, !tbaa !13
  ret void
}

attributes #0 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }

!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 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !10, i64 16}
!6 = !{!"_ZTSN11alglib_impl6stimerE", !7, i64 0, !7, i64 8, !10, i64 16}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"bool", !8, i64 0}
!11 = !{i8 0, i8 2}
!12 = !{}
!13 = !{!6, !7, i64 0}
!14 = !{!6, !7, i64 8}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,TailCallElimPass