; LLVM IR from devantler/software-engineering-f22-shared :: IOT/BudgetManagementExcercise-03-28/ESP-Project/components/components/tinyusb (SystemInit)

; 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.CRG_TOP_Type = type { i32, [3 x i32], i32, i32, i32, i32, i32, i32, i32, [4 x i32], i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, [2 x i32], i32, i32, i32, i32, i32, i32, [5 x i32], i32, i32, [2 x i32], i32, i32, i32, [5 x i32], i32, i32, i32, i32 }

; Function Attrs: nounwind uwtable
define dso_local void @SystemInit() #0 {
  %1 = load volatile i32, ptr inttoptr (i64 1342440192 to ptr), align 4, !tbaa !5
  %2 = zext i32 %1 to i64
  %3 = or i64 %2, 8
  %4 = trunc i64 %3 to i32
  store volatile i32 %4, ptr inttoptr (i64 1342440192 to ptr), align 4, !tbaa !5
  store volatile i32 2, ptr getelementptr inbounds (%struct.CRG_TOP_Type, ptr inttoptr (i64 1342177280 to ptr), i32 0, i32 6), align 4, !tbaa !10
  store volatile i32 -1, ptr getelementptr inbounds (%struct.CRG_TOP_Type, ptr inttoptr (i64 1342177280 to ptr), i32 0, i32 24), align 4, !tbaa !12
  store volatile i32 8388607, ptr getelementptr inbounds (%struct.CRG_TOP_Type, ptr inttoptr (i64 1342177280 to ptr), i32 0, i32 27), align 4, !tbaa !13
  %5 = load volatile i32, ptr inttoptr (i64 1342177280 to ptr), align 4, !tbaa !14
  %6 = zext i32 %5 to i64
  %7 = and i64 %6, -56
  %8 = trunc i64 %7 to i32
  store volatile i32 %8, ptr inttoptr (i64 1342177280 to ptr), align 4, !tbaa !14
  call void @da1469x_clock_sys_xtal32m_init()
  call void @da1469x_clock_sys_xtal32m_enable()
  call void @da1469x_clock_sys_pll_enable()
  call void @da1469x_clock_pll_wait_to_lock()
  call void @da1469x_clock_sys_xtal32m_switch_safe()
  call void @da1469x_clock_sys_rc32m_disable()
  ret void
}

declare void @da1469x_clock_sys_xtal32m_init() #1

declare void @da1469x_clock_sys_xtal32m_enable() #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @da1469x_clock_sys_pll_enable() #2

declare void @da1469x_clock_pll_wait_to_lock() #1

declare void @da1469x_clock_sys_xtal32m_switch_safe() #1

declare void @da1469x_clock_sys_rc32m_disable() #1

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" }
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 = { inlinehint 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 0}
!6 = !{!"", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12, !7, i64 16, !7, i64 20, !7, i64 24}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!11, !7, i64 32}
!11 = !{!"", !7, i64 0, !8, i64 4, !7, i64 16, !7, i64 20, !7, i64 24, !7, i64 28, !7, i64 32, !7, i64 36, !7, i64 40, !8, i64 44, !7, i64 60, !7, i64 64, !7, i64 68, !7, i64 72, !7, i64 76, !7, i64 80, !7, i64 84, !7, i64 88, !7, i64 92, !7, i64 96, !7, i64 100, !7, i64 104, !7, i64 108, !7, i64 112, !7, i64 116, !7, i64 120, !7, i64 124, !7, i64 128, !7, i64 132, !8, i64 136, !7, i64 144, !7, i64 148, !7, i64 152, !7, i64 156, !7, i64 160, !7, i64 164, !8, i64 168, !7, i64 188, !7, i64 192, !8, i64 196, !7, i64 204, !7, i64 208, !7, i64 212, !8, i64 216, !7, i64 236, !7, i64 240, !7, i64 244, !7, i64 248}
!12 = !{!11, !7, i64 116}
!13 = !{!11, !7, i64 128}
!14 = !{!11, !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"

; Function Attrs: nounwind uwtable
define dso_local void @SystemInit() local_unnamed_addr #0 {
  %1 = load volatile i32, ptr inttoptr (i64 1342440192 to ptr), align 256, !tbaa !5
  %2 = or i32 %1, 8
  store volatile i32 %2, ptr inttoptr (i64 1342440192 to ptr), align 256, !tbaa !5
  store volatile i32 2, ptr inttoptr (i64 1342177312 to ptr), align 32, !tbaa !10
  store volatile i32 -1, ptr inttoptr (i64 1342177396 to ptr), align 4, !tbaa !12
  store volatile i32 8388607, ptr inttoptr (i64 1342177408 to ptr), align 128, !tbaa !13
  %3 = load volatile i32, ptr inttoptr (i64 1342177280 to ptr), align 268435456, !tbaa !14
  %4 = and i32 %3, -56
  store volatile i32 %4, ptr inttoptr (i64 1342177280 to ptr), align 268435456, !tbaa !14
  tail call void @da1469x_clock_sys_xtal32m_init() #3
  tail call void @da1469x_clock_sys_xtal32m_enable() #3
  tail call void @da1469x_clock_sys_pll_enable()
  tail call void @da1469x_clock_pll_wait_to_lock() #3
  tail call void @da1469x_clock_sys_xtal32m_switch_safe() #3
  tail call void @da1469x_clock_sys_rc32m_disable() #3
  ret void
}

declare void @da1469x_clock_sys_xtal32m_init() local_unnamed_addr #1

declare void @da1469x_clock_sys_xtal32m_enable() local_unnamed_addr #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @da1469x_clock_sys_pll_enable() local_unnamed_addr #2

declare void @da1469x_clock_pll_wait_to_lock() local_unnamed_addr #1

declare void @da1469x_clock_sys_xtal32m_switch_safe() local_unnamed_addr #1

declare void @da1469x_clock_sys_rc32m_disable() local_unnamed_addr #1

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" }
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 = { inlinehint 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, !7, i64 0}
!6 = !{!"", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12, !7, i64 16, !7, i64 20, !7, i64 24}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!11, !7, i64 32}
!11 = !{!"", !7, i64 0, !8, i64 4, !7, i64 16, !7, i64 20, !7, i64 24, !7, i64 28, !7, i64 32, !7, i64 36, !7, i64 40, !8, i64 44, !7, i64 60, !7, i64 64, !7, i64 68, !7, i64 72, !7, i64 76, !7, i64 80, !7, i64 84, !7, i64 88, !7, i64 92, !7, i64 96, !7, i64 100, !7, i64 104, !7, i64 108, !7, i64 112, !7, i64 116, !7, i64 120, !7, i64 124, !7, i64 128, !7, i64 132, !8, i64 136, !7, i64 144, !7, i64 148, !7, i64 152, !7, i64 156, !7, i64 160, !7, i64 164, !8, i64 168, !7, i64 188, !7, i64 192, !8, i64 196, !7, i64 204, !7, i64 208, !7, i64 212, !8, i64 216, !7, i64 236, !7, i64 240, !7, i64 244, !7, i64 248}
!12 = !{!11, !7, i64 116}
!13 = !{!11, !7, i64 128}
!14 = !{!11, !7, i64 0}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,InferAlignmentPass,InstCombinePass,TailCallElimPass