; LLVM IR from DanEngelbrecht/longtail :: test/main.ll (Z20jc_test_find_fixturePKcj)

; 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.jc_test_state = type { [1 x %struct.__jmp_buf_tag], [8 x i8], ptr, ptr, ptr, %struct.jc_test_stats, i64 }
%struct.__jmp_buf_tag = type { [8 x i64], i32, %struct.__sigset_t }
%struct.__sigset_t = type { [16 x i64] }
%struct.jc_test_stats = type { i32, i32, i32, i32, i64 }
%struct.jc_test_fixture = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, %struct.jc_test_stats, i32, i32, i32, i32 }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_Z17jc_test_get_statev() #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z13jc_test_streqPKcS0_(ptr noundef, ptr noundef) #2

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_Z20jc_test_find_fixturePKcj(ptr noundef %0, i32 noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %8 = call noundef ptr @_Z17jc_test_get_statev()
  %9 = getelementptr inbounds %struct.jc_test_state, ptr %8, i32 0, i32 4
  %10 = load ptr, ptr %9, align 8, !tbaa !11
  store ptr %10, ptr %6, align 8, !tbaa !5
  br label %11

11:                                               ; preds = %31, %2
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  %13 = icmp ne ptr %12, null
  br i1 %13, label %14, label %35

14:                                               ; preds = %11
  %15 = load ptr, ptr %6, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.jc_test_fixture, ptr %15, i32 0, i32 9
  %17 = load i32, ptr %16, align 8
  %18 = lshr i32 %17, 27
  %19 = and i32 %18, 3
  %20 = load i32, ptr %5, align 4, !tbaa !9
  %21 = icmp eq i32 %19, %20
  br i1 %21, label %22, label %31

22:                                               ; preds = %14
  %23 = load ptr, ptr %6, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.jc_test_fixture, ptr %23, i32 0, i32 3
  %25 = load ptr, ptr %24, align 8, !tbaa !15
  %26 = load ptr, ptr %4, align 8, !tbaa !5
  %27 = call noundef i32 @_Z13jc_test_streqPKcS0_(ptr noundef %25, ptr noundef %26)
  %28 = icmp ne i32 %27, 0
  br i1 %28, label %29, label %31

29:                                               ; preds = %22
  %30 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %30, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %36

31:                                               ; preds = %22, %14
  %32 = load ptr, ptr %6, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.jc_test_fixture, ptr %32, i32 0, i32 1
  %34 = load ptr, ptr %33, align 8, !tbaa !17
  store ptr %34, ptr %6, align 8, !tbaa !5
  br label %11, !llvm.loop !18

35:                                               ; preds = %11
  store ptr null, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %36

36:                                               ; preds = %35, %29
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %37 = load ptr, ptr %3, align 8
  ret ptr %37
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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" }
attributes #2 = { 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 #3 = { 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 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 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 224}
!12 = !{!"_ZTS13jc_test_state", !7, i64 0, !7, i64 200, !6, i64 208, !6, i64 216, !6, i64 224, !13, i64 232, !10, i64 256, !10, i64 259}
!13 = !{!"_ZTS13jc_test_stats", !10, i64 0, !10, i64 4, !10, i64 6, !10, i64 8, !10, i64 12, !14, i64 16}
!14 = !{!"long", !7, i64 0}
!15 = !{!16, !6, i64 24}
!16 = !{!"_ZTS15jc_test_fixture", !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56, !13, i64 64, !10, i64 88, !10, i64 91, !10, i64 91, !10, i64 91, !10, i64 91, !10, i64 92, !10, i64 96, !10, i64 97, !10, i64 99, !10, i64 100}
!17 = !{!16, !6, i64 8}
!18 = distinct !{!18, !19}
!19 = !{!"llvm.loop.mustprogress"}


; 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"

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_Z17jc_test_get_statev() local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z13jc_test_streqPKcS0_(ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_Z20jc_test_find_fixturePKcj(ptr noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = tail call noundef ptr @_Z17jc_test_get_statev()
  %4 = getelementptr inbounds i8, ptr %3, i64 224
  %.09 = load ptr, ptr %4, align 8, !tbaa !5
  %.not10 = icmp eq ptr %.09, null
  br i1 %.not10, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2, %14
  %.011 = phi ptr [ %.0, %14 ], [ %.09, %2 ]
  %5 = getelementptr inbounds i8, ptr %.011, i64 88
  %6 = load i32, ptr %5, align 8
  %7 = lshr i32 %6, 27
  %8 = and i32 %7, 3
  %9 = icmp eq i32 %8, %1
  br i1 %9, label %10, label %14

10:                                               ; preds = %.lr.ph
  %11 = getelementptr inbounds i8, ptr %.011, i64 24
  %12 = load ptr, ptr %11, align 8, !tbaa !9
  %13 = tail call noundef i32 @_Z13jc_test_streqPKcS0_(ptr noundef %12, ptr noundef %0)
  %.not8 = icmp eq i32 %13, 0
  br i1 %.not8, label %14, label %._crit_edge

14:                                               ; preds = %10, %.lr.ph
  %15 = getelementptr inbounds i8, ptr %.011, i64 8
  %.0 = load ptr, ptr %15, align 8, !tbaa !5
  %.not = icmp eq ptr %.0, null
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !14

._crit_edge:                                      ; preds = %10, %14, %2
  %.0.lcssa = phi ptr [ null, %2 ], [ null, %14 ], [ %.011, %10 ]
  ret ptr %.0.lcssa
}

attributes #0 = { 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 #1 = { 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" }

!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, !6, i64 24}
!10 = !{!"_ZTS15jc_test_fixture", !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56, !11, i64 64, !12, i64 88, !12, i64 91, !12, i64 91, !12, i64 91, !12, i64 91, !12, i64 92, !12, i64 96, !12, i64 97, !12, i64 99, !12, i64 100}
!11 = !{!"_ZTS13jc_test_stats", !12, i64 0, !12, i64 4, !12, i64 6, !12, i64 8, !12, i64 12, !13, i64 16}
!12 = !{!"int", !7, i64 0}
!13 = !{!"long", !7, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass