; LLVM IR from koshkin-sergey/mbOS :: Device/ADI/ADuC7023/Driver (PCC_ADUC7023)

; 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.PCC_s = type { i32, i32, i32, i32, i32, i32, [6 x i32], i32, i32, i32, i32, i32 }

; Function Attrs: nounwind uwtable
define dso_local void @PCC_EnablePeriph(i32 noundef %0) #0 {
  %2 = alloca i32, align 4
  store i32 %0, ptr %2, align 4, !tbaa !5
  store volatile i32 118, ptr getelementptr inbounds (%struct.PCC_s, ptr inttoptr (i64 4294902788 to ptr), i32 0, i32 7), align 4, !tbaa !9
  %3 = load i32, ptr %2, align 4, !tbaa !5
  %4 = load volatile i32, ptr getelementptr inbounds (%struct.PCC_s, ptr inttoptr (i64 4294902788 to ptr), i32 0, i32 8), align 4, !tbaa !11
  %5 = or i32 %4, %3
  store volatile i32 %5, ptr getelementptr inbounds (%struct.PCC_s, ptr inttoptr (i64 4294902788 to ptr), i32 0, i32 8), align 4, !tbaa !11
  store volatile i32 177, ptr getelementptr inbounds (%struct.PCC_s, ptr inttoptr (i64 4294902788 to ptr), i32 0, i32 9), align 4, !tbaa !12
  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, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !6, i64 48}
!10 = !{!"PCC_s", !6, i64 0, !6, i64 4, !6, i64 8, !6, i64 12, !6, i64 16, !6, i64 20, !7, i64 24, !6, i64 48, !6, i64 52, !6, i64 56, !6, i64 60, !6, i64 64}
!11 = !{!10, !6, i64 52}
!12 = !{!10, !6, 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 @PCC_EnablePeriph(i32 noundef %0) local_unnamed_addr #0 {
  store volatile i32 118, ptr inttoptr (i64 4294902836 to ptr), align 4, !tbaa !5
  %2 = load volatile i32, ptr inttoptr (i64 4294902840 to ptr), align 8, !tbaa !10
  %3 = or i32 %2, %0
  store volatile i32 %3, ptr inttoptr (i64 4294902840 to ptr), align 8, !tbaa !10
  store volatile i32 177, ptr inttoptr (i64 4294902844 to ptr), align 4, !tbaa !11
  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 48}
!6 = !{!"PCC_s", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12, !7, i64 16, !7, i64 20, !8, i64 24, !7, i64 48, !7, i64 52, !7, i64 56, !7, i64 60, !7, i64 64}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!6, !7, i64 52}
!11 = !{!6, !7, i64 56}


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