; LLVM IR from travisdowns/sort-bench :: bench.ll (Z9bench_oneRK9sort_algoPKmPmm)

; 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"

%class.SimpleTimerT = type <{ i64, i64, i32, [4 x i8] }>
%struct.sort_algo = type { ptr, ptr }

@.str = external hidden unnamed_addr constant [24 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [66 x i8], align 1
@__PRETTY_FUNCTION__._Z9bench_oneRK9sort_algoPKmPmm = external hidden unnamed_addr constant [72 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [7 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z9is_sortedPKmm(ptr noundef, i64 noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z9bench_oneRK9sort_algoPKmPmm(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef %1, ptr noundef %2, i64 noundef %3) #2 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca i32, align 4
  %11 = alloca %class.SimpleTimerT, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  store i64 %3, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #7
  store i32 0, ptr %10, align 4, !tbaa !11
  br label %12

12:                                               ; preds = %29, %4
  %13 = load i32, ptr %10, align 4, !tbaa !11
  %14 = icmp slt i32 %13, 2
  br i1 %14, label %16, label %15

15:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  br label %32

16:                                               ; preds = %12
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = load i64, ptr %8, align 8, !tbaa !9
  %20 = getelementptr inbounds i64, ptr %18, i64 %19
  %21 = load ptr, ptr %7, align 8, !tbaa !5
  %22 = call noundef ptr @_ZSt4copyIPKmPmET0_T_S4_S3_(ptr noundef %17, ptr noundef %20, ptr noundef %21)
  call void @llvm.lifetime.start.p0(i64 24, ptr %11) #7
  call void @_ZN12SimpleTimerTINSt6chrono3_V212system_clockEEC2Eb(ptr noundef nonnull align 8 dereferenceable(20) %11, i1 noundef zeroext true)
  %23 = load ptr, ptr %5, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.sort_algo, ptr %23, i32 0, i32 1
  %25 = load ptr, ptr %24, align 8, !tbaa !13
  %26 = load ptr, ptr %7, align 8, !tbaa !5
  %27 = load i64, ptr %8, align 8, !tbaa !9
  call void %25(ptr noundef %26, i64 noundef %27)
  %28 = call noundef i64 @_ZN12SimpleTimerTINSt6chrono3_V212system_clockEE12elapsedNanosEv(ptr noundef nonnull align 8 dereferenceable(20) %11)
  store i64 %28, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #7
  br label %29

29:                                               ; preds = %16
  %30 = load i32, ptr %10, align 4, !tbaa !11
  %31 = add nsw i32 %30, 1
  store i32 %31, ptr %10, align 4, !tbaa !11
  br label %12, !llvm.loop !15

32:                                               ; preds = %15
  %33 = load ptr, ptr %7, align 8, !tbaa !5
  %34 = load i64, ptr %8, align 8, !tbaa !9
  %35 = call noundef zeroext i1 @_Z9is_sortedPKmm(ptr noundef %33, i64 noundef %34)
  br i1 %35, label %36, label %37

36:                                               ; preds = %32
  br label %39

37:                                               ; preds = %32
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 77, ptr noundef @__PRETTY_FUNCTION__._Z9bench_oneRK9sort_algoPKmPmm) #8
  unreachable

38:                                               ; No predecessors!
  br label %39

39:                                               ; preds = %38, %36
  %40 = load ptr, ptr %5, align 8, !tbaa !5
  %41 = getelementptr inbounds %struct.sort_algo, ptr %40, i32 0, i32 0
  %42 = load ptr, ptr %41, align 8, !tbaa !17
  %43 = call i64 @strlen(ptr noundef %42) #9
  %44 = trunc i64 %43 to i32
  %45 = load i64, ptr %9, align 8, !tbaa !9
  %46 = sitofp i64 %45 to double
  %47 = load i64, ptr %8, align 8, !tbaa !9
  %48 = uitofp i64 %47 to double
  %49 = fdiv double %46, %48
  %50 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %44, double noundef %49)
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #7
  ret void
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef ptr @_ZSt4copyIPKmPmET0_T_S4_S3_(ptr noundef, ptr noundef, ptr noundef) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN12SimpleTimerTINSt6chrono3_V212system_clockEEC2Eb(ptr noundef nonnull align 8 dereferenceable(20), i1 noundef zeroext) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZN12SimpleTimerTINSt6chrono3_V212system_clockEE12elapsedNanosEv(ptr noundef nonnull align 8 dereferenceable(20)) #2 align 2

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #4

declare i32 @printf(ptr noundef, ...) #5

; Function Attrs: nounwind willreturn memory(read)
declare i64 @strlen(ptr noundef) #6

attributes #0 = { mustprogress nounwind 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" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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" }
attributes #3 = { inlinehint 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" }
attributes #4 = { noreturn nounwind "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 #5 = { "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 #6 = { nounwind willreturn memory(read) "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 #7 = { nounwind }
attributes #8 = { noreturn nounwind }
attributes #9 = { nounwind willreturn memory(read) }

!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, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !6, i64 8}
!14 = !{!"_ZTS9sort_algo", !6, i64 0, !6, i64 8}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}
!17 = !{!14, !6, i64 0}


; 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"

%class.SimpleTimerT = type <{ i64, i64, i32, [4 x i8] }>

@.str = external hidden unnamed_addr constant [24 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [66 x i8], align 1
@__PRETTY_FUNCTION__._Z9bench_oneRK9sort_algoPKmPmm = external hidden unnamed_addr constant [72 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [7 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z9is_sortedPKmm(ptr noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z9bench_oneRK9sort_algoPKmPmm(ptr nocapture noundef nonnull readonly align 8 dereferenceable(16) %0, ptr noundef %1, ptr noundef %2, i64 noundef %3) local_unnamed_addr #2 {
  %5 = alloca %class.SimpleTimerT, align 8
  %6 = getelementptr inbounds i64, ptr %1, i64 %3
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  %8 = tail call noundef ptr @_ZSt4copyIPKmPmET0_T_S4_S3_(ptr noundef %1, ptr noundef %6, ptr noundef %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #7
  call void @_ZN12SimpleTimerTINSt6chrono3_V212system_clockEEC2Eb(ptr noundef nonnull align 8 dereferenceable(20) %5, i1 noundef zeroext true)
  %9 = load ptr, ptr %7, align 8, !tbaa !5
  call void %9(ptr noundef %2, i64 noundef %3)
  %10 = call noundef i64 @_ZN12SimpleTimerTINSt6chrono3_V212system_clockEE12elapsedNanosEv(ptr noundef nonnull align 8 dereferenceable(20) %5)
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #7
  %11 = call noundef ptr @_ZSt4copyIPKmPmET0_T_S4_S3_(ptr noundef %1, ptr noundef %6, ptr noundef %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #7
  call void @_ZN12SimpleTimerTINSt6chrono3_V212system_clockEEC2Eb(ptr noundef nonnull align 8 dereferenceable(20) %5, i1 noundef zeroext true)
  %12 = load ptr, ptr %7, align 8, !tbaa !5
  call void %12(ptr noundef %2, i64 noundef %3)
  %13 = call noundef i64 @_ZN12SimpleTimerTINSt6chrono3_V212system_clockEE12elapsedNanosEv(ptr noundef nonnull align 8 dereferenceable(20) %5)
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #7
  %14 = call noundef zeroext i1 @_Z9is_sortedPKmm(ptr noundef %2, i64 noundef %3)
  br i1 %14, label %16, label %15

15:                                               ; preds = %4
  call void @__assert_fail(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 77, ptr noundef nonnull @__PRETTY_FUNCTION__._Z9bench_oneRK9sort_algoPKmPmm) #8
  unreachable

16:                                               ; preds = %4
  %17 = load ptr, ptr %0, align 8, !tbaa !10
  %18 = call i64 @strlen(ptr noundef nonnull dereferenceable(1) %17) #9
  %19 = trunc i64 %18 to i32
  %20 = sitofp i64 %13 to double
  %21 = uitofp i64 %3 to double
  %22 = fdiv double %20, %21
  %23 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %19, double noundef %22)
  ret void
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef ptr @_ZSt4copyIPKmPmET0_T_S4_S3_(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN12SimpleTimerTINSt6chrono3_V212system_clockEEC2Eb(ptr noundef nonnull align 8 dereferenceable(20), i1 noundef zeroext) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZN12SimpleTimerTINSt6chrono3_V212system_clockEE12elapsedNanosEv(ptr noundef nonnull align 8 dereferenceable(20)) local_unnamed_addr #2 align 2

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #4

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #5

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i64 @strlen(ptr nocapture noundef) local_unnamed_addr #6

attributes #0 = { mustprogress nounwind 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" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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" }
attributes #3 = { inlinehint 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" }
attributes #4 = { noreturn nounwind "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 #5 = { nofree nounwind "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 #6 = { mustprogress nofree nounwind willreturn memory(argmem: read) "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 #7 = { nounwind }
attributes #8 = { noreturn nounwind }
attributes #9 = { nounwind willreturn memory(read) }

!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, !7, i64 8}
!6 = !{!"_ZTS9sort_algo", !7, i64 0, !7, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!6, !7, i64 0}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,LCSSAPass,LICMPass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass