; LLVM IR from GPUOpen-LibrariesAndSDKs/TAN :: amf/public/common/Linux (ThreadLinux)

; 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"

; 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

; Function Attrs: mustprogress nounwind uwtable
define dso_local zeroext i1 @amf_release_semaphore(ptr noundef %0, i64 noundef %1, ptr noundef %2) #1 {
  %4 = alloca i1, align 1
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i64 %1, ptr %6, align 8, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !5
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = icmp eq ptr %11, null
  br i1 %12, label %13, label %14

13:                                               ; preds = %3
  store i1 true, ptr %4, align 1
  br label %38

14:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %15, ptr %8, align 8, !tbaa !5
  %16 = load ptr, ptr %7, align 8, !tbaa !5
  %17 = icmp ne ptr %16, null
  br i1 %17, label %18, label %24

18:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  store i32 0, ptr %9, align 4, !tbaa !11
  %19 = load ptr, ptr %8, align 8, !tbaa !5
  %20 = call i32 @sem_getvalue(ptr noundef %19, ptr noundef %9) #3
  %21 = load i32, ptr %9, align 4, !tbaa !11
  %22 = sext i32 %21 to i64
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  store i64 %22, ptr %23, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  br label %24

24:                                               ; preds = %18, %14
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #3
  store i32 0, ptr %10, align 4, !tbaa !11
  br label %25

25:                                               ; preds = %34, %24
  %26 = load i32, ptr %10, align 4, !tbaa !11
  %27 = sext i32 %26 to i64
  %28 = load i64, ptr %6, align 8, !tbaa !9
  %29 = icmp slt i64 %27, %28
  br i1 %29, label %31, label %30

30:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  br label %37

31:                                               ; preds = %25
  %32 = load ptr, ptr %8, align 8, !tbaa !5
  %33 = call i32 @sem_post(ptr noundef %32) #3
  br label %34

34:                                               ; preds = %31
  %35 = load i32, ptr %10, align 4, !tbaa !11
  %36 = add nsw i32 %35, 1
  store i32 %36, ptr %10, align 4, !tbaa !11
  br label %25, !llvm.loop !13

37:                                               ; preds = %30
  store i1 true, ptr %4, align 1
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  br label %38

38:                                               ; preds = %37, %13
  %39 = load i1, ptr %4, align 1
  ret i1 %39
}

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

; Function Attrs: nounwind
declare i32 @sem_post(ptr noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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" }
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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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 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

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @amf_release_semaphore(ptr noundef %0, i64 noundef %1, ptr noundef writeonly %2) local_unnamed_addr #1 {
  %4 = alloca i32, align 4
  %5 = icmp eq ptr %0, null
  br i1 %5, label %.loopexit, label %6

6:                                                ; preds = %3
  %.not = icmp eq ptr %2, null
  br i1 %.not, label %11, label %7

7:                                                ; preds = %6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #3
  store i32 0, ptr %4, align 4, !tbaa !5
  %8 = call i32 @sem_getvalue(ptr noundef nonnull %0, ptr noundef nonnull %4) #3
  %9 = load i32, ptr %4, align 4, !tbaa !5
  %10 = sext i32 %9 to i64
  store i64 %10, ptr %2, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #3
  br label %11

11:                                               ; preds = %7, %6
  %12 = icmp sgt i64 %1, 0
  br i1 %12, label %.lr.ph, label %.loopexit

.lr.ph:                                           ; preds = %11, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %11 ]
  %13 = call i32 @sem_post(ptr noundef nonnull %0) #3
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %1
  br i1 %exitcond.not, label %.loopexit, label %.lr.ph, !llvm.loop !11

.loopexit:                                        ; preds = %.lr.ph, %11, %3
  ret i1 true
}

; Function Attrs: nounwind
declare i32 @sem_getvalue(ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind
declare i32 @sem_post(ptr noundef) local_unnamed_addr #2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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" }
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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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