; LLVM IR from golems/ach :: src (ach-example)

; 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.ach_channel = type { %union.anon }
%union.anon = type { [16 x i64] }

@chan_feedback = external dso_local global %struct.ach_channel, align 8
@.str = external hidden unnamed_addr constant [9 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [10 x i8], align 1

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

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

declare i32 @ach_open(ptr noundef, ptr noundef, ptr noundef) #1

; Function Attrs: noreturn nounwind
declare void @abort() #2

declare i32 @ach_get(ptr noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef, i32 noundef) #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @ach_status_match(i32 noundef, i32 noundef) #3

; Function Attrs: nounwind uwtable
define dso_local void @periodic_logger() #4 {
  %1 = alloca i32, align 4
  %2 = alloca [3 x double], align 16
  %3 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #5
  %4 = call i32 @ach_open(ptr noundef @chan_feedback, ptr noundef @.str, ptr noundef null)
  store i32 %4, ptr %1, align 4, !tbaa !5
  %5 = load i32, ptr %1, align 4, !tbaa !5
  %6 = icmp ne i32 0, %5
  br i1 %6, label %7, label %8

7:                                                ; preds = %0
  call void @abort() #6
  unreachable

8:                                                ; preds = %0
  br label %9

9:                                                ; preds = %29, %8
  br label %10

10:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 24, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %11 = getelementptr inbounds [3 x double], ptr %2, i64 0, i64 0
  %12 = call i32 @ach_get(ptr noundef @chan_feedback, ptr noundef %11, i64 noundef 24, ptr noundef %3, ptr noundef null, i32 noundef 3)
  store i32 %12, ptr %1, align 4, !tbaa !5
  %13 = load i32, ptr %1, align 4, !tbaa !5
  %14 = call i32 @ach_status_match(i32 noundef %13, i32 noundef 65)
  %15 = icmp ne i32 %14, 0
  br i1 %15, label %16, label %28

16:                                               ; preds = %10
  %17 = load i64, ptr %3, align 8, !tbaa !9
  %18 = icmp eq i64 24, %17
  br i1 %18, label %19, label %28

19:                                               ; preds = %16
  %20 = getelementptr inbounds [3 x double], ptr %2, i64 0, i64 0
  %21 = load double, ptr %20, align 16, !tbaa !11
  %22 = getelementptr inbounds [3 x double], ptr %2, i64 0, i64 1
  %23 = load double, ptr %22, align 8, !tbaa !11
  %24 = getelementptr inbounds [3 x double], ptr %2, i64 0, i64 2
  %25 = load double, ptr %24, align 16, !tbaa !11
  %26 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, double noundef %21, double noundef %23, double noundef %25)
  %27 = call i32 @usleep(i32 noundef 100000)
  br label %29

28:                                               ; preds = %16, %10
  call void @abort() #6
  unreachable

29:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #5
  br label %9
}

declare i32 @printf(ptr noundef, ...) #1

declare i32 @usleep(i32 noundef) #1

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 = { 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 #3 = { inlinehint 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 #4 = { 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 #5 = { nounwind }
attributes #6 = { noreturn 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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"double", !7, 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"

%struct.ach_channel = type { %union.anon }
%union.anon = type { [16 x i64] }

@chan_feedback = external dso_local global %struct.ach_channel, align 8
@.str = external hidden unnamed_addr constant [9 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [10 x i8], align 1

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

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

declare i32 @ach_open(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: noreturn nounwind
declare void @abort() local_unnamed_addr #2

declare i32 @ach_get(ptr noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @ach_status_match(i32 noundef, i32 noundef) local_unnamed_addr #3

; Function Attrs: noreturn nounwind uwtable
define dso_local void @periodic_logger() local_unnamed_addr #4 {
  %1 = alloca [3 x double], align 16
  %2 = alloca i64, align 8
  %3 = tail call i32 @ach_open(ptr noundef nonnull @chan_feedback, ptr noundef nonnull @.str, ptr noundef null) #6
  %.not = icmp eq i32 %3, 0
  br i1 %.not, label %.preheader, label %11

.preheader:                                       ; preds = %0
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  %4 = call i32 @ach_get(ptr noundef nonnull @chan_feedback, ptr noundef nonnull %1, i64 noundef 24, ptr noundef nonnull %2, ptr noundef null, i32 noundef 3) #6
  %5 = call i32 @ach_status_match(i32 noundef %4, i32 noundef 65)
  %6 = icmp ne i32 %5, 0
  %7 = load i64, ptr %2, align 8
  %8 = icmp eq i64 %7, 24
  %or.cond3 = select i1 %6, i1 %8, i1 false
  br i1 %or.cond3, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %.preheader
  %9 = getelementptr inbounds i8, ptr %1, i64 8
  %10 = getelementptr inbounds i8, ptr %1, i64 16
  br label %12

11:                                               ; preds = %0
  tail call void @abort() #7
  unreachable

12:                                               ; preds = %.lr.ph, %12
  %13 = load double, ptr %1, align 16, !tbaa !5
  %14 = load double, ptr %9, align 8, !tbaa !5
  %15 = load double, ptr %10, align 16, !tbaa !5
  %16 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, double noundef %13, double noundef %14, double noundef %15)
  %17 = call i32 @usleep(i32 noundef 100000) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  %18 = call i32 @ach_get(ptr noundef nonnull @chan_feedback, ptr noundef nonnull %1, i64 noundef 24, ptr noundef nonnull %2, ptr noundef null, i32 noundef 3) #6
  %19 = call i32 @ach_status_match(i32 noundef %18, i32 noundef 65)
  %20 = icmp ne i32 %19, 0
  %21 = load i64, ptr %2, align 8
  %22 = icmp eq i64 %21, 24
  %or.cond = select i1 %20, i1 %22, i1 false
  br i1 %or.cond, label %12, label %._crit_edge

._crit_edge:                                      ; preds = %12, %.preheader
  call void @abort() #7
  unreachable
}

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

declare i32 @usleep(i32 noundef) local_unnamed_addr #1

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 = { 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 #3 = { inlinehint 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 #4 = { noreturn 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 #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 = { nounwind }
attributes #7 = { noreturn 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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


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