; LLVM IR from google/latency-benchmark :: src/x11 (screenscraper)

; 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"

@browser_process_pid = external hidden global i32, align 4
@.str.20 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.21 = external hidden unnamed_addr constant [31 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: nounwind uwtable
declare dso_local void @debug_log(ptr noundef, ...) #1

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

; Function Attrs: nounwind uwtable
define dso_local zeroext i1 @close_browser() #1 {
  %1 = alloca i1, align 1
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = load i32, ptr @browser_process_pid, align 4, !tbaa !5
  %5 = icmp eq i32 %4, 0
  br i1 %5, label %6, label %7

6:                                                ; preds = %0
  call void (ptr, ...) @debug_log(ptr noundef @.str.20)
  store i1 false, ptr %1, align 1
  br label %15

7:                                                ; preds = %0
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  %8 = load i32, ptr @browser_process_pid, align 4, !tbaa !5
  %9 = call i32 @kill(i32 noundef %8, i32 noundef 9) #3
  store i32 %9, ptr %2, align 4, !tbaa !5
  store i32 0, ptr @browser_process_pid, align 4, !tbaa !5
  %10 = load i32, ptr %2, align 4, !tbaa !5
  %11 = icmp ne i32 %10, 0
  br i1 %11, label %12, label %13

12:                                               ; preds = %7
  call void (ptr, ...) @debug_log(ptr noundef @.str.21)
  store i1 false, ptr %1, align 1
  store i32 1, ptr %3, align 4
  br label %14

13:                                               ; preds = %7
  store i1 true, ptr %1, align 1
  store i32 1, ptr %3, align 4
  br label %14

14:                                               ; preds = %13, %12
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #3
  br label %15

15:                                               ; preds = %14, %6
  %16 = load i1, ptr %1, align 1
  ret i1 %16
}

; Function Attrs: nounwind
declare i32 @kill(i32 noundef, i32 noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 = { 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"}


; 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"

@browser_process_pid = external hidden local_unnamed_addr global i32, align 4
@.str.20 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.21 = external hidden unnamed_addr constant [31 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local void @debug_log(ptr noundef, ...) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local noundef zeroext i1 @close_browser() local_unnamed_addr #0 {
  %1 = load i32, ptr @browser_process_pid, align 4, !tbaa !5
  %2 = icmp eq i32 %1, 0
  br i1 %2, label %.sink.split, label %3

3:                                                ; preds = %0
  %4 = tail call i32 @kill(i32 noundef %1, i32 noundef 9) #2
  store i32 0, ptr @browser_process_pid, align 4, !tbaa !5
  %.not = icmp eq i32 %4, 0
  br i1 %.not, label %5, label %.sink.split

.sink.split:                                      ; preds = %3, %0
  %.str.21.sink = phi ptr [ @.str.20, %0 ], [ @.str.21, %3 ]
  tail call void (ptr, ...) @debug_log(ptr noundef nonnull %.str.21.sink)
  br label %5

5:                                                ; preds = %.sink.split, %3
  %.1 = phi i1 [ true, %3 ], [ false, %.sink.split ]
  ret i1 %.1
}

; Function Attrs: nounwind
declare i32 @kill(i32 noundef, i32 noundef) local_unnamed_addr #1

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 = { 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 #2 = { 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"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass