; LLVM IR from lfarcaro/ARINC653_ARMV7A_Z7000 :: ARINC653_ARMV7A_Z7000.sw/ARINC653_ARMV7A_Z7000_bsp/ps7_cortexa9_0/libsrc/xadcps_v2 (EnableUserOverTemp)

; 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.XAdcPs = type { %struct.XAdcPs_Config, i32 }
%struct.XAdcPs_Config = type { i16, i32 }

@Xil_AssertStatus = external global i32, align 4
@.str = external hidden unnamed_addr constant [162 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

declare void @Xil_Assert(ptr noundef, i32 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
declare dso_local i32 @XAdcPs_ReadInternalReg(ptr noundef, i32 noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local void @XAdcPs_WriteInternalReg(ptr noundef, i32 noundef, i32 noundef) #2

; Function Attrs: nounwind uwtable
define dso_local void @XAdcPs_EnableUserOverTemp(ptr noundef %0) #2 {
  %2 = alloca ptr, align 8
  %3 = alloca i16, align 2
  %4 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 2, ptr %3) #3
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = icmp ne ptr %5, null
  br i1 %6, label %7, label %8

7:                                                ; preds = %1
  store i32 0, ptr @Xil_AssertStatus, align 4, !tbaa !9
  br label %9

8:                                                ; preds = %1
  call void @Xil_Assert(ptr noundef @.str, i32 noundef 1480)
  store i32 1, ptr @Xil_AssertStatus, align 4, !tbaa !9
  store i32 1, ptr %4, align 4
  br label %31

9:                                                ; preds = %7
  %10 = load ptr, ptr %2, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.XAdcPs, ptr %10, i32 0, i32 1
  %12 = load i32, ptr %11, align 4, !tbaa !11
  %13 = icmp eq i32 %12, 286331153
  br i1 %13, label %14, label %15

14:                                               ; preds = %9
  store i32 0, ptr @Xil_AssertStatus, align 4, !tbaa !9
  br label %16

15:                                               ; preds = %9
  call void @Xil_Assert(ptr noundef @.str, i32 noundef 1481)
  store i32 1, ptr @Xil_AssertStatus, align 4, !tbaa !9
  store i32 1, ptr %4, align 4
  br label %31

16:                                               ; preds = %14
  %17 = load ptr, ptr %2, align 8, !tbaa !5
  %18 = call i32 @XAdcPs_ReadInternalReg(ptr noundef %17, i32 noundef 83)
  %19 = trunc i32 %18 to i16
  store i16 %19, ptr %3, align 2, !tbaa !15
  %20 = load i16, ptr %3, align 2, !tbaa !15
  %21 = zext i16 %20 to i32
  %22 = and i32 %21, -16
  %23 = trunc i32 %22 to i16
  store i16 %23, ptr %3, align 2, !tbaa !15
  %24 = load i16, ptr %3, align 2, !tbaa !15
  %25 = zext i16 %24 to i32
  %26 = or i32 %25, 3
  %27 = trunc i32 %26 to i16
  store i16 %27, ptr %3, align 2, !tbaa !15
  %28 = load ptr, ptr %2, align 8, !tbaa !5
  %29 = load i16, ptr %3, align 2, !tbaa !15
  %30 = zext i16 %29 to i32
  call void @XAdcPs_WriteInternalReg(ptr noundef %28, i32 noundef 83, i32 noundef %30)
  store i32 0, ptr %4, align 4
  br label %31

31:                                               ; preds = %16, %15, %8
  call void @llvm.lifetime.end.p0(i64 2, ptr %3) #3
  %32 = load i32, ptr %4, align 4
  switch i32 %32, label %34 [
    i32 0, label %33
    i32 1, label %33
  ]

33:                                               ; preds = %31, %31
  ret void

34:                                               ; preds = %31
  unreachable
}

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}
!11 = !{!12, !10, i64 8}
!12 = !{!"", !13, i64 0, !10, i64 8}
!13 = !{!"", !14, i64 0, !10, i64 4}
!14 = !{!"short", !7, i64 0}
!15 = !{!14, !14, 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"

@Xil_AssertStatus = external local_unnamed_addr global i32, align 4
@.str = external hidden unnamed_addr constant [162 x i8], align 1

declare void @Xil_Assert(ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @XAdcPs_ReadInternalReg(ptr noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local void @XAdcPs_WriteInternalReg(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local void @XAdcPs_EnableUserOverTemp(ptr noundef %0) local_unnamed_addr #1 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %6, label %2

2:                                                ; preds = %1
  store i32 0, ptr @Xil_AssertStatus, align 4, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = load i32, ptr %3, align 4, !tbaa !9
  %5 = icmp eq i32 %4, 286331153
  br i1 %5, label %7, label %11

6:                                                ; preds = %1
  tail call void @Xil_Assert(ptr noundef nonnull @.str, i32 noundef 1480) #2
  store i32 1, ptr @Xil_AssertStatus, align 4, !tbaa !5
  br label %12

7:                                                ; preds = %2
  %8 = tail call i32 @XAdcPs_ReadInternalReg(ptr noundef nonnull %0, i32 noundef 83)
  %9 = and i32 %8, 65520
  %10 = or disjoint i32 %9, 3
  tail call void @XAdcPs_WriteInternalReg(ptr noundef nonnull %0, i32 noundef 83, i32 noundef %10)
  br label %12

11:                                               ; preds = %2
  tail call void @Xil_Assert(ptr noundef nonnull @.str, i32 noundef 1481) #2
  store i32 1, ptr @Xil_AssertStatus, align 4, !tbaa !5
  br label %12

12:                                               ; preds = %7, %11, %6
  ret void
}

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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !6, i64 8}
!10 = !{!"", !11, i64 0, !6, i64 8}
!11 = !{!"", !12, i64 0, !6, i64 4}
!12 = !{!"short", !7, i64 0}


; Effective O3 passes: DSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass