; LLVM IR from golems/ach :: src/test (clocktest)

; 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"

@__const.main.clock = external hidden unnamed_addr constant [3 x i32], align 4
@__const.main.map = external hidden unnamed_addr constant [2 x i32], align 4

; Function Attrs: nounwind uwtable
declare dso_local i32 @test_clock(i32 noundef, i32 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: nounwind uwtable
define dso_local i32 @main(i32 noundef %0, ptr noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca [3 x i32], align 4
  %7 = alloca [2 x i32], align 4
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  store i32 0, ptr %3, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  %10 = load i32, ptr %4, align 4, !tbaa !5
  %11 = load ptr, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 12, ptr %6) #3
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %6, ptr align 4 @__const.main.clock, i64 12, i1 false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %7, ptr align 4 @__const.main.map, i64 8, i1 false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  store i64 0, ptr %8, align 8, !tbaa !11
  br label %12

12:                                               ; preds = %31, %2
  %13 = load i64, ptr %8, align 8, !tbaa !11
  %14 = icmp ult i64 %13, 3
  br i1 %14, label %15, label %34

15:                                               ; preds = %12
  store i64 0, ptr %9, align 8, !tbaa !11
  br label %16

16:                                               ; preds = %27, %15
  %17 = load i64, ptr %9, align 8, !tbaa !11
  %18 = icmp ult i64 %17, 2
  br i1 %18, label %19, label %30

19:                                               ; preds = %16
  %20 = load i64, ptr %8, align 8, !tbaa !11
  %21 = getelementptr inbounds [3 x i32], ptr %6, i64 0, i64 %20
  %22 = load i32, ptr %21, align 4, !tbaa !5
  %23 = load i64, ptr %9, align 8, !tbaa !11
  %24 = getelementptr inbounds [2 x i32], ptr %7, i64 0, i64 %23
  %25 = load i32, ptr %24, align 4, !tbaa !5
  %26 = call i32 @test_clock(i32 noundef %22, i32 noundef %25)
  br label %27

27:                                               ; preds = %19
  %28 = load i64, ptr %9, align 8, !tbaa !11
  %29 = add i64 %28, 1
  store i64 %29, ptr %9, align 8, !tbaa !11
  br label %16, !llvm.loop !13

30:                                               ; preds = %16
  br label %31

31:                                               ; preds = %30
  %32 = load i64, ptr %8, align 8, !tbaa !11
  %33 = add i64 %32, 1
  store i64 %33, ptr %8, align 8, !tbaa !11
  br label %12, !llvm.loop !15

34:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 12, ptr %6) #3
  ret i32 0
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


; 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"

@__const.main.clock = external hidden unnamed_addr constant [3 x i32], align 4
@__const.main.map = external hidden unnamed_addr constant [2 x i32], align 4

; Function Attrs: nounwind uwtable
declare dso_local i32 @test_clock(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr nocapture noundef readnone %1) local_unnamed_addr #0 {
.preheader:
  %2 = load i32, ptr @__const.main.clock, align 4, !tbaa !5
  %3 = load i32, ptr @__const.main.map, align 4, !tbaa !5
  %4 = tail call i32 @test_clock(i32 noundef %2, i32 noundef %3)
  %5 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.map, i64 4), align 4, !tbaa !5
  %6 = tail call i32 @test_clock(i32 noundef %2, i32 noundef %5)
  %7 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.clock, i64 4), align 4, !tbaa !5
  %8 = tail call i32 @test_clock(i32 noundef %7, i32 noundef %3)
  %9 = tail call i32 @test_clock(i32 noundef %7, i32 noundef %5)
  %10 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.clock, i64 8), align 4, !tbaa !5
  %11 = tail call i32 @test_clock(i32 noundef %10, i32 noundef %3)
  %12 = tail call i32 @test_clock(i32 noundef %10, i32 noundef %5)
  ret i32 0
}

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" }

!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"}


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