; LLVM IR from reazon-research/OpenArm :: control/canfd_control/Core/Src (spi)

; 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.__SPI_HandleTypeDef = type { ptr, %struct.SPI_InitTypeDef, ptr, i16, i16, ptr, i16, i16, i32, ptr, ptr, ptr, ptr, i32, i32, i32 }
%struct.SPI_InitTypeDef = type { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 }

@hspi1 = external dso_local global %struct.__SPI_HandleTypeDef, align 8

; Function Attrs: nounwind uwtable
define dso_local void @MX_SPI1_Init() #0 {
  store ptr inttoptr (i64 1073819648 to ptr), ptr @hspi1, align 8, !tbaa !5
  store i32 4194304, ptr getelementptr inbounds (%struct.__SPI_HandleTypeDef, ptr @hspi1, i32 0, i32 1), align 8, !tbaa !13
  store i32 0, ptr getelementptr inbounds (%struct.SPI_InitTypeDef, ptr getelementptr inbounds (%struct.__SPI_HandleTypeDef, ptr @hspi1, i32 0, i32 1), i32 0, i32 1), align 4, !tbaa !14
  store i32 3, ptr getelementptr inbounds (%struct.SPI_InitTypeDef, ptr getelementptr inbounds (%struct.__SPI_HandleTypeDef, ptr @hspi1, i32 0, i32 1), i32 0, i32 2), align 8, !tbaa !15
  store i32 0, ptr getelementptr inbounds (%struct.SPI_InitTypeDef, ptr getelementptr inbounds (%struct.__SPI_HandleTypeDef, ptr @hspi1, i32 0, i32 1), i32 0, i32 3), align 4, !tbaa !16
  store i32 0, ptr getelementptr inbounds (%struct.SPI_InitTypeDef, ptr getelementptr inbounds (%struct.__SPI_HandleTypeDef, ptr @hspi1, i32 0, i32 1), i32 0, i32 4), align 8, !tbaa !17
  store i32 67108864, ptr getelementptr inbounds (%struct.SPI_InitTypeDef, ptr getelementptr inbounds (%struct.__SPI_HandleTypeDef, ptr @hspi1, i32 0, i32 1), i32 0, i32 5), align 4, !tbaa !18
  store i32 0, ptr getelementptr inbounds (%struct.SPI_InitTypeDef, ptr getelementptr inbounds (%struct.__SPI_HandleTypeDef, ptr @hspi1, i32 0, i32 1), i32 0, i32 6), align 8, !tbaa !19
  store i32 0, ptr getelementptr inbounds (%struct.SPI_InitTypeDef, ptr getelementptr inbounds (%struct.__SPI_HandleTypeDef, ptr @hspi1, i32 0, i32 1), i32 0, i32 7), align 4, !tbaa !20
  store i32 0, ptr getelementptr inbounds (%struct.SPI_InitTypeDef, ptr getelementptr inbounds (%struct.__SPI_HandleTypeDef, ptr @hspi1, i32 0, i32 1), i32 0, i32 8), align 8, !tbaa !21
  store i32 0, ptr getelementptr inbounds (%struct.SPI_InitTypeDef, ptr getelementptr inbounds (%struct.__SPI_HandleTypeDef, ptr @hspi1, i32 0, i32 1), i32 0, i32 9), align 4, !tbaa !22
  store i32 0, ptr getelementptr inbounds (%struct.SPI_InitTypeDef, ptr getelementptr inbounds (%struct.__SPI_HandleTypeDef, ptr @hspi1, i32 0, i32 1), i32 0, i32 10), align 8, !tbaa !23
  store i32 1073741824, ptr getelementptr inbounds (%struct.SPI_InitTypeDef, ptr getelementptr inbounds (%struct.__SPI_HandleTypeDef, ptr @hspi1, i32 0, i32 1), i32 0, i32 12), align 8, !tbaa !24
  store i32 0, ptr getelementptr inbounds (%struct.SPI_InitTypeDef, ptr getelementptr inbounds (%struct.__SPI_HandleTypeDef, ptr @hspi1, i32 0, i32 1), i32 0, i32 13), align 4, !tbaa !25
  store i32 0, ptr getelementptr inbounds (%struct.SPI_InitTypeDef, ptr getelementptr inbounds (%struct.__SPI_HandleTypeDef, ptr @hspi1, i32 0, i32 1), i32 0, i32 14), align 8, !tbaa !26
  store i32 0, ptr getelementptr inbounds (%struct.SPI_InitTypeDef, ptr getelementptr inbounds (%struct.__SPI_HandleTypeDef, ptr @hspi1, i32 0, i32 1), i32 0, i32 15), align 4, !tbaa !27
  store i32 0, ptr getelementptr inbounds (%struct.SPI_InitTypeDef, ptr getelementptr inbounds (%struct.__SPI_HandleTypeDef, ptr @hspi1, i32 0, i32 1), i32 0, i32 16), align 8, !tbaa !28
  store i32 0, ptr getelementptr inbounds (%struct.SPI_InitTypeDef, ptr getelementptr inbounds (%struct.__SPI_HandleTypeDef, ptr @hspi1, i32 0, i32 1), i32 0, i32 17), align 4, !tbaa !29
  store i32 0, ptr getelementptr inbounds (%struct.SPI_InitTypeDef, ptr getelementptr inbounds (%struct.__SPI_HandleTypeDef, ptr @hspi1, i32 0, i32 1), i32 0, i32 18), align 8, !tbaa !30
  store i32 0, ptr getelementptr inbounds (%struct.SPI_InitTypeDef, ptr getelementptr inbounds (%struct.__SPI_HandleTypeDef, ptr @hspi1, i32 0, i32 1), i32 0, i32 19), align 4, !tbaa !31
  store i32 0, ptr getelementptr inbounds (%struct.SPI_InitTypeDef, ptr getelementptr inbounds (%struct.__SPI_HandleTypeDef, ptr @hspi1, i32 0, i32 1), i32 0, i32 20), align 8, !tbaa !32
  store i32 0, ptr getelementptr inbounds (%struct.SPI_InitTypeDef, ptr getelementptr inbounds (%struct.__SPI_HandleTypeDef, ptr @hspi1, i32 0, i32 1), i32 0, i32 21), align 4, !tbaa !33
  %1 = call i32 @HAL_SPI_Init(ptr noundef @hspi1)
  %2 = icmp ne i32 %1, 0
  br i1 %2, label %3, label %4

3:                                                ; preds = %0
  call void @Error_Handler()
  br label %4

4:                                                ; preds = %3, %0
  ret void
}

declare i32 @HAL_SPI_Init(ptr noundef) #1

declare void @Error_Handler() #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" }

!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 = !{!"__SPI_HandleTypeDef", !7, i64 0, !10, i64 8, !7, i64 96, !12, i64 104, !12, i64 106, !7, i64 112, !12, i64 120, !12, i64 122, !11, i64 124, !7, i64 128, !7, i64 136, !7, i64 144, !7, i64 152, !11, i64 160, !11, i64 164, !11, i64 168}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"", !11, i64 0, !11, i64 4, !11, i64 8, !11, i64 12, !11, i64 16, !11, i64 20, !11, i64 24, !11, i64 28, !11, i64 32, !11, i64 36, !11, i64 40, !11, i64 44, !11, i64 48, !11, i64 52, !11, i64 56, !11, i64 60, !11, i64 64, !11, i64 68, !11, i64 72, !11, i64 76, !11, i64 80, !11, i64 84}
!11 = !{!"int", !8, i64 0}
!12 = !{!"short", !8, i64 0}
!13 = !{!6, !11, i64 8}
!14 = !{!6, !11, i64 12}
!15 = !{!6, !11, i64 16}
!16 = !{!6, !11, i64 20}
!17 = !{!6, !11, i64 24}
!18 = !{!6, !11, i64 28}
!19 = !{!6, !11, i64 32}
!20 = !{!6, !11, i64 36}
!21 = !{!6, !11, i64 40}
!22 = !{!6, !11, i64 44}
!23 = !{!6, !11, i64 48}
!24 = !{!6, !11, i64 56}
!25 = !{!6, !11, i64 60}
!26 = !{!6, !11, i64 64}
!27 = !{!6, !11, i64 68}
!28 = !{!6, !11, i64 72}
!29 = !{!6, !11, i64 76}
!30 = !{!6, !11, i64 80}
!31 = !{!6, !11, i64 84}
!32 = !{!6, !11, i64 88}
!33 = !{!6, !11, i64 92}


; 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"

%struct.__SPI_HandleTypeDef = type { ptr, %struct.SPI_InitTypeDef, ptr, i16, i16, ptr, i16, i16, i32, ptr, ptr, ptr, ptr, i32, i32, i32 }
%struct.SPI_InitTypeDef = type { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 }

@hspi1 = external dso_local global %struct.__SPI_HandleTypeDef, align 8

; Function Attrs: nounwind uwtable
define dso_local void @MX_SPI1_Init() local_unnamed_addr #0 {
  store ptr inttoptr (i64 1073819648 to ptr), ptr @hspi1, align 8, !tbaa !5
  store <4 x i32> <i32 4194304, i32 0, i32 3, i32 0>, ptr getelementptr inbounds (i8, ptr @hspi1, i64 8), align 8, !tbaa !13
  store i32 0, ptr getelementptr inbounds (i8, ptr @hspi1, i64 24), align 8, !tbaa !14
  store i32 67108864, ptr getelementptr inbounds (i8, ptr @hspi1, i64 28), align 4, !tbaa !15
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(20) getelementptr inbounds (i8, ptr @hspi1, i64 32), i8 0, i64 20, i1 false)
  store i32 1073741824, ptr getelementptr inbounds (i8, ptr @hspi1, i64 56), align 8, !tbaa !16
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 4 dereferenceable(36) getelementptr inbounds (i8, ptr @hspi1, i64 60), i8 0, i64 36, i1 false)
  %1 = tail call i32 @HAL_SPI_Init(ptr noundef nonnull @hspi1) #3
  %.not = icmp eq i32 %1, 0
  br i1 %.not, label %3, label %2

2:                                                ; preds = %0
  tail call void @Error_Handler() #3
  br label %3

3:                                                ; preds = %2, %0
  ret void
}

declare i32 @HAL_SPI_Init(ptr noundef) local_unnamed_addr #1

declare void @Error_Handler() local_unnamed_addr #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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 = !{!"__SPI_HandleTypeDef", !7, i64 0, !10, i64 8, !7, i64 96, !12, i64 104, !12, i64 106, !7, i64 112, !12, i64 120, !12, i64 122, !11, i64 124, !7, i64 128, !7, i64 136, !7, i64 144, !7, i64 152, !11, i64 160, !11, i64 164, !11, i64 168}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"", !11, i64 0, !11, i64 4, !11, i64 8, !11, i64 12, !11, i64 16, !11, i64 20, !11, i64 24, !11, i64 28, !11, i64 32, !11, i64 36, !11, i64 40, !11, i64 44, !11, i64 48, !11, i64 52, !11, i64 56, !11, i64 60, !11, i64 64, !11, i64 68, !11, i64 72, !11, i64 76, !11, i64 80, !11, i64 84}
!11 = !{!"int", !8, i64 0}
!12 = !{!"short", !8, i64 0}
!13 = !{!11, !11, i64 0}
!14 = !{!6, !11, i64 24}
!15 = !{!6, !11, i64 28}
!16 = !{!6, !11, i64 56}


; Effective O3 passes: GlobalOptPass,InstCombinePass,MemCpyOptPass,SLPVectorizerPass,TailCallElimPass