; LLVM IR from jingweizhanghuai/Morn :: test (test_large_integer)

; 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.__mpz_struct = type { i32, i32, ptr }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [81 x i8], align 1
@__FUNCTION__.test_GMP = external hidden unnamed_addr constant [9 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @test_GMP(i32 noundef %0, ptr noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca [1 x %struct.__mpz_struct], align 16
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 16, ptr %6) #3
  %10 = getelementptr inbounds [1 x %struct.__mpz_struct], ptr %6, i64 0, i64 0
  call void @__gmpz_init(ptr noundef %10)
  call void @_mTimerBegin(ptr noundef @.str)
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %11

11:                                               ; preds = %33, %2
  %12 = load i32, ptr %7, align 4, !tbaa !5
  %13 = load i32, ptr %4, align 4, !tbaa !5
  %14 = sdiv i32 1000000, %13
  %15 = icmp slt i32 %12, %14
  br i1 %15, label %17, label %16

16:                                               ; preds = %11
  store i32 2, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  br label %36

17:                                               ; preds = %11
  %18 = getelementptr inbounds [1 x %struct.__mpz_struct], ptr %6, i64 0, i64 0
  call void @__gmpz_init_set_ui(ptr noundef %18, i64 noundef 1)
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  store i32 1, ptr %9, align 4, !tbaa !5
  br label %19

19:                                               ; preds = %29, %17
  %20 = load i32, ptr %9, align 4, !tbaa !5
  %21 = load i32, ptr %4, align 4, !tbaa !5
  %22 = icmp sle i32 %20, %21
  br i1 %22, label %24, label %23

23:                                               ; preds = %19
  store i32 5, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  br label %32

24:                                               ; preds = %19
  %25 = getelementptr inbounds [1 x %struct.__mpz_struct], ptr %6, i64 0, i64 0
  %26 = getelementptr inbounds [1 x %struct.__mpz_struct], ptr %6, i64 0, i64 0
  %27 = load i32, ptr %9, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  call void @__gmpz_mul_ui(ptr noundef %25, ptr noundef %26, i64 noundef %28)
  br label %29

29:                                               ; preds = %24
  %30 = load i32, ptr %9, align 4, !tbaa !5
  %31 = add nsw i32 %30, 1
  store i32 %31, ptr %9, align 4, !tbaa !5
  br label %19, !llvm.loop !11

32:                                               ; preds = %23
  br label %33

33:                                               ; preds = %32
  %34 = load i32, ptr %7, align 4, !tbaa !5
  %35 = add nsw i32 %34, 1
  store i32 %35, ptr %7, align 4, !tbaa !5
  br label %11, !llvm.loop !13

36:                                               ; preds = %16
  %37 = call float @_mTimerEnd(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 19, ptr noundef @__FUNCTION__.test_GMP)
  %38 = load ptr, ptr %5, align 8, !tbaa !9
  %39 = getelementptr inbounds [1 x %struct.__mpz_struct], ptr %6, i64 0, i64 0
  %40 = call i32 (ptr, ptr, ...) @__gmp_sprintf(ptr noundef %38, ptr noundef @.str.2, ptr noundef %39)
  %41 = getelementptr inbounds [1 x %struct.__mpz_struct], ptr %6, i64 0, i64 0
  call void @__gmpz_clear(ptr noundef %41)
  call void @llvm.lifetime.end.p0(i64 16, ptr %6) #3
  %42 = load i32, ptr %3, align 4
  ret i32 %42
}

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

declare void @__gmpz_init(ptr noundef) #2

declare void @_mTimerBegin(ptr noundef) #2

declare void @__gmpz_init_set_ui(ptr noundef, i64 noundef) #2

declare void @__gmpz_mul_ui(ptr noundef, ptr noundef, i64 noundef) #2

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

declare float @_mTimerEnd(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #2

declare i32 @__gmp_sprintf(ptr noundef, ptr noundef, ...) #2

declare void @__gmpz_clear(ptr noundef) #2

attributes #0 = { 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 = { "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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; 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"

%struct.__mpz_struct = type { i32, i32, ptr }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [81 x i8], align 1
@__FUNCTION__.test_GMP = external hidden unnamed_addr constant [9 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @test_GMP(i32 noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = alloca [1 x %struct.__mpz_struct], align 16
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %3) #3
  call void @__gmpz_init(ptr noundef nonnull %3) #3
  call void @_mTimerBegin(ptr noundef nonnull @.str) #3
  %4 = sdiv i32 1000000, %0
  %5 = icmp sgt i32 %4, 0
  br i1 %5, label %.lr.ph13, label %._crit_edge14

.lr.ph13:                                         ; preds = %2
  %.not9 = icmp slt i32 %0, 1
  br i1 %.not9, label %.lr.ph13.split.us, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %.lr.ph13
  %6 = add nuw i32 %0, 1
  %wide.trip.count = zext i32 %6 to i64
  br label %.lr.ph

.lr.ph13.split.us:                                ; preds = %.lr.ph13, %.lr.ph13.split.us
  %.0811.us = phi i32 [ %7, %.lr.ph13.split.us ], [ 0, %.lr.ph13 ]
  call void @__gmpz_init_set_ui(ptr noundef nonnull %3, i64 noundef 1) #3
  %7 = add nuw nsw i32 %.0811.us, 1
  %exitcond18.not = icmp eq i32 %7, %4
  br i1 %exitcond18.not, label %._crit_edge14, label %.lr.ph13.split.us, !llvm.loop !5

._crit_edge14:                                    ; preds = %._crit_edge, %.lr.ph13.split.us, %2
  %8 = call float @_mTimerEnd(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 19, ptr noundef nonnull @__FUNCTION__.test_GMP) #3
  %9 = call i32 (ptr, ptr, ...) @__gmp_sprintf(ptr noundef %1, ptr noundef nonnull @.str.2, ptr noundef nonnull %3) #3
  call void @__gmpz_clear(ptr noundef nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %3) #3
  ret i32 undef

.lr.ph:                                           ; preds = %.lr.ph.preheader, %._crit_edge
  %.0811 = phi i32 [ %10, %._crit_edge ], [ 0, %.lr.ph.preheader ]
  call void @__gmpz_init_set_ui(ptr noundef nonnull %3, i64 noundef 1) #3
  br label %11

._crit_edge:                                      ; preds = %11
  %10 = add nuw nsw i32 %.0811, 1
  %exitcond17.not = icmp eq i32 %10, %4
  br i1 %exitcond17.not, label %._crit_edge14, label %.lr.ph, !llvm.loop !5

11:                                               ; preds = %.lr.ph, %11
  %indvars.iv = phi i64 [ 1, %.lr.ph ], [ %indvars.iv.next, %11 ]
  call void @__gmpz_mul_ui(ptr noundef nonnull %3, ptr noundef nonnull %3, i64 noundef %indvars.iv) #3
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %11, !llvm.loop !7
}

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

declare void @__gmpz_init(ptr noundef) local_unnamed_addr #2

declare void @_mTimerBegin(ptr noundef) local_unnamed_addr #2

declare void @__gmpz_init_set_ui(ptr noundef, i64 noundef) local_unnamed_addr #2

declare void @__gmpz_mul_ui(ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #2

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

declare float @_mTimerEnd(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #2

declare i32 @__gmp_sprintf(ptr noundef, ptr noundef, ...) local_unnamed_addr #2

declare void @__gmpz_clear(ptr noundef) local_unnamed_addr #2

attributes #0 = { 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 = { "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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = distinct !{!7, !6}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass