; LLVM IR from embeddednirvana/A-Rudimentary-RTOS-for-Satellite-Control :: device (driver_pio)

; 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._AT91S_PIO = type { i32, i32, i32, [1 x i32], i32, i32, i32, [1 x i32], i32, i32, i32, [1 x i32], i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, [1 x i32], i32, i32, i32, [1 x i32], i32, i32, i32, [9 x i32], i32, i32, i32 }

; Function Attrs: nounwind uwtable
define dso_local void @pio_init() #0 {
  store volatile i32 1611121632, ptr getelementptr inbounds (%struct._AT91S_PIO, ptr inttoptr (i64 4294964224 to ptr), i32 0, i32 1), align 4, !tbaa !5
  store volatile i32 1610613329, ptr getelementptr inbounds (%struct._AT91S_PIO, ptr inttoptr (i64 4294964224 to ptr), i32 0, i32 28), align 4, !tbaa !10
  store volatile i32 0, ptr getelementptr inbounds (%struct._AT91S_PIO, ptr inttoptr (i64 4294964224 to ptr), i32 0, i32 29), align 4, !tbaa !11
  store volatile i32 133693440, ptr getelementptr inbounds (%struct._AT91S_PIO, ptr inttoptr (i64 4294964736 to ptr), i32 0, i32 1), align 4, !tbaa !5
  store volatile i32 1024, ptr getelementptr inbounds (%struct._AT91S_PIO, ptr inttoptr (i64 4294964736 to ptr), i32 0, i32 28), align 4, !tbaa !10
  store volatile i32 64, ptr getelementptr inbounds (%struct._AT91S_PIO, ptr inttoptr (i64 4294964736 to ptr), i32 0, i32 29), align 4, !tbaa !11
  store volatile i32 -1, ptr getelementptr inbounds (%struct._AT91S_PIO, ptr inttoptr (i64 4294964224 to ptr), i32 0, i32 5), align 4, !tbaa !12
  store volatile i32 -1, ptr getelementptr inbounds (%struct._AT91S_PIO, ptr inttoptr (i64 4294964224 to ptr), i32 0, i32 25), align 4, !tbaa !13
  store volatile i32 -1, ptr getelementptr inbounds (%struct._AT91S_PIO, ptr inttoptr (i64 4294964224 to ptr), i32 0, i32 8), align 4, !tbaa !14
  store volatile i32 -1, ptr getelementptr inbounds (%struct._AT91S_PIO, ptr inttoptr (i64 4294964736 to ptr), i32 0, i32 4), align 4, !tbaa !15
  store volatile i32 -1, ptr getelementptr inbounds (%struct._AT91S_PIO, ptr inttoptr (i64 4294964736 to ptr), i32 0, i32 32), align 4, !tbaa !16
  store volatile i32 0, ptr getelementptr inbounds (%struct._AT91S_PIO, ptr inttoptr (i64 4294964736 to ptr), i32 0, i32 14), align 4, !tbaa !17
  ret void
}

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" }

!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, !7, i64 4}
!6 = !{!"_AT91S_PIO", !7, i64 0, !7, i64 4, !7, i64 8, !8, i64 12, !7, i64 16, !7, i64 20, !7, i64 24, !8, i64 28, !7, i64 32, !7, i64 36, !7, i64 40, !8, i64 44, !7, i64 48, !7, i64 52, !7, i64 56, !7, i64 60, !7, i64 64, !7, i64 68, !7, i64 72, !7, i64 76, !7, i64 80, !7, i64 84, !7, i64 88, !8, i64 92, !7, i64 96, !7, i64 100, !7, i64 104, !8, i64 108, !7, i64 112, !7, i64 116, !7, i64 120, !8, i64 124, !7, i64 160, !7, i64 164, !7, i64 168}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!6, !7, i64 112}
!11 = !{!6, !7, i64 116}
!12 = !{!6, !7, i64 20}
!13 = !{!6, !7, i64 100}
!14 = !{!6, !7, i64 32}
!15 = !{!6, !7, i64 16}
!16 = !{!6, !7, i64 160}
!17 = !{!6, !7, i64 56}


; 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: nofree norecurse nounwind uwtable
define dso_local void @pio_init() local_unnamed_addr #0 {
  store volatile i32 1611121632, ptr inttoptr (i64 4294964228 to ptr), align 4, !tbaa !5
  store volatile i32 1610613329, ptr inttoptr (i64 4294964336 to ptr), align 16, !tbaa !10
  store volatile i32 0, ptr inttoptr (i64 4294964340 to ptr), align 4, !tbaa !11
  store volatile i32 133693440, ptr inttoptr (i64 4294964740 to ptr), align 4, !tbaa !5
  store volatile i32 1024, ptr inttoptr (i64 4294964848 to ptr), align 16, !tbaa !10
  store volatile i32 64, ptr inttoptr (i64 4294964852 to ptr), align 4, !tbaa !11
  store volatile i32 -1, ptr inttoptr (i64 4294964244 to ptr), align 4, !tbaa !12
  store volatile i32 -1, ptr inttoptr (i64 4294964324 to ptr), align 4, !tbaa !13
  store volatile i32 -1, ptr inttoptr (i64 4294964256 to ptr), align 32, !tbaa !14
  store volatile i32 -1, ptr inttoptr (i64 4294964752 to ptr), align 16, !tbaa !15
  store volatile i32 -1, ptr inttoptr (i64 4294964896 to ptr), align 32, !tbaa !16
  store volatile i32 0, ptr inttoptr (i64 4294964792 to ptr), align 8, !tbaa !17
  ret void
}

attributes #0 = { nofree norecurse 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" }

!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, !7, i64 4}
!6 = !{!"_AT91S_PIO", !7, i64 0, !7, i64 4, !7, i64 8, !8, i64 12, !7, i64 16, !7, i64 20, !7, i64 24, !8, i64 28, !7, i64 32, !7, i64 36, !7, i64 40, !8, i64 44, !7, i64 48, !7, i64 52, !7, i64 56, !7, i64 60, !7, i64 64, !7, i64 68, !7, i64 72, !7, i64 76, !7, i64 80, !7, i64 84, !7, i64 88, !8, i64 92, !7, i64 96, !7, i64 100, !7, i64 104, !8, i64 108, !7, i64 112, !7, i64 116, !7, i64 120, !8, i64 124, !7, i64 160, !7, i64 164, !7, i64 168}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!6, !7, i64 112}
!11 = !{!6, !7, i64 116}
!12 = !{!6, !7, i64 20}
!13 = !{!6, !7, i64 100}
!14 = !{!6, !7, i64 32}
!15 = !{!6, !7, i64 16}
!16 = !{!6, !7, i64 160}
!17 = !{!6, !7, i64 56}


; Effective O3 passes: GlobalOptPass,InferAlignmentPass,InstCombinePass,PostOrderFunctionAttrsPass