; LLVM IR from whoiswelliton/Computer_Engineering_UTFPR-PB :: Embedded_Systems/TIVA Connected TM4C1294XL Projects/01 - lwIP_HTTPServer_on_TIVA (osSemaphoreCreate)

; 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

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

; Function Attrs: nounwind uwtable
define dso_local ptr @osSemaphoreCreate(ptr noundef %0, i32 noundef %1) #2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %8 = load i32, ptr %5, align 4, !tbaa !9
  %9 = icmp eq i32 %8, 1
  br i1 %9, label %10, label %19

10:                                               ; preds = %2
  %11 = call ptr @xQueueGenericCreate(i64 noundef 1, i64 noundef 0, i8 noundef zeroext 3)
  store ptr %11, ptr %6, align 8, !tbaa !5
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  %13 = icmp ne ptr %12, null
  br i1 %13, label %14, label %17

14:                                               ; preds = %10
  %15 = load ptr, ptr %6, align 8, !tbaa !5
  %16 = call i64 @xQueueGenericSend(ptr noundef %15, ptr noundef null, i32 noundef 0, i64 noundef 0)
  br label %17

17:                                               ; preds = %14, %10
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %18, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %25

19:                                               ; preds = %2
  %20 = load i32, ptr %5, align 4, !tbaa !9
  %21 = sext i32 %20 to i64
  %22 = load i32, ptr %5, align 4, !tbaa !9
  %23 = sext i32 %22 to i64
  %24 = call ptr @xQueueCreateCountingSemaphore(i64 noundef %21, i64 noundef %23)
  store ptr %24, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %25

25:                                               ; preds = %19, %17
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %26 = load ptr, ptr %3, align 8
  ret ptr %26
}

declare ptr @xQueueGenericCreate(i64 noundef, i64 noundef, i8 noundef zeroext) #1

declare ptr @xQueueCreateCountingSemaphore(i64 noundef, i64 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 = { 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 #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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !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"

declare i64 @xQueueGenericSend(ptr noundef, ptr noundef, i32 noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local ptr @osSemaphoreCreate(ptr nocapture noundef readnone %0, i32 noundef %1) local_unnamed_addr #1 {
  %3 = icmp eq i32 %1, 1
  br i1 %3, label %4, label %8

4:                                                ; preds = %2
  %5 = tail call ptr @xQueueGenericCreate(i64 noundef 1, i64 noundef 0, i8 noundef zeroext 3) #2
  %.not = icmp eq ptr %5, null
  br i1 %.not, label %11, label %6

6:                                                ; preds = %4
  %7 = tail call i64 @xQueueGenericSend(ptr noundef nonnull %5, ptr noundef null, i32 noundef 0, i64 noundef 0) #2
  br label %11

8:                                                ; preds = %2
  %9 = sext i32 %1 to i64
  %10 = tail call ptr @xQueueCreateCountingSemaphore(i64 noundef %9, i64 noundef %9) #2
  br label %11

11:                                               ; preds = %4, %6, %8
  %.0 = phi ptr [ %10, %8 ], [ %5, %6 ], [ null, %4 ]
  ret ptr %.0
}

declare ptr @xQueueGenericCreate(i64 noundef, i64 noundef, i8 noundef zeroext) local_unnamed_addr #0

declare ptr @xQueueCreateCountingSemaphore(i64 noundef, i64 noundef) local_unnamed_addr #0

attributes #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 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 }

!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)"}


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