; LLVM IR from reazon-research/OpenArm :: control/canfd_control/Core/Src (i2c)

; 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.__I2C_HandleTypeDef = type { ptr, %struct.I2C_InitTypeDef, ptr, i16, i16, i32, i32, ptr, ptr, ptr, i32, i32, i32, i32, i32, i32, i32 }
%struct.I2C_InitTypeDef = type { i32, i32, i32, i32, i32, i32, i32, i32 }

@hi2c1 = external dso_local global %struct.__I2C_HandleTypeDef, align 8

; Function Attrs: nounwind uwtable
define dso_local void @MX_I2C1_Init() #0 {
  store ptr inttoptr (i64 1073763328 to ptr), ptr @hi2c1, align 8, !tbaa !5
  store i32 547398646, ptr getelementptr inbounds (%struct.__I2C_HandleTypeDef, ptr @hi2c1, i32 0, i32 1), align 8, !tbaa !13
  store i32 0, ptr getelementptr inbounds (%struct.I2C_InitTypeDef, ptr getelementptr inbounds (%struct.__I2C_HandleTypeDef, ptr @hi2c1, i32 0, i32 1), i32 0, i32 1), align 4, !tbaa !14
  store i32 1, ptr getelementptr inbounds (%struct.I2C_InitTypeDef, ptr getelementptr inbounds (%struct.__I2C_HandleTypeDef, ptr @hi2c1, i32 0, i32 1), i32 0, i32 2), align 8, !tbaa !15
  store i32 0, ptr getelementptr inbounds (%struct.I2C_InitTypeDef, ptr getelementptr inbounds (%struct.__I2C_HandleTypeDef, ptr @hi2c1, i32 0, i32 1), i32 0, i32 3), align 4, !tbaa !16
  store i32 0, ptr getelementptr inbounds (%struct.I2C_InitTypeDef, ptr getelementptr inbounds (%struct.__I2C_HandleTypeDef, ptr @hi2c1, i32 0, i32 1), i32 0, i32 4), align 8, !tbaa !17
  store i32 0, ptr getelementptr inbounds (%struct.I2C_InitTypeDef, ptr getelementptr inbounds (%struct.__I2C_HandleTypeDef, ptr @hi2c1, i32 0, i32 1), i32 0, i32 5), align 4, !tbaa !18
  store i32 0, ptr getelementptr inbounds (%struct.I2C_InitTypeDef, ptr getelementptr inbounds (%struct.__I2C_HandleTypeDef, ptr @hi2c1, i32 0, i32 1), i32 0, i32 6), align 8, !tbaa !19
  store i32 0, ptr getelementptr inbounds (%struct.I2C_InitTypeDef, ptr getelementptr inbounds (%struct.__I2C_HandleTypeDef, ptr @hi2c1, i32 0, i32 1), i32 0, i32 7), align 4, !tbaa !20
  %1 = call i32 @HAL_I2C_Init(ptr noundef @hi2c1)
  %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
  %5 = call i32 @HAL_I2CEx_ConfigAnalogFilter(ptr noundef @hi2c1, i32 noundef 0)
  %6 = icmp ne i32 %5, 0
  br i1 %6, label %7, label %8

7:                                                ; preds = %4
  call void @Error_Handler()
  br label %8

8:                                                ; preds = %7, %4
  %9 = call i32 @HAL_I2CEx_ConfigDigitalFilter(ptr noundef @hi2c1, i32 noundef 0)
  %10 = icmp ne i32 %9, 0
  br i1 %10, label %11, label %12

11:                                               ; preds = %8
  call void @Error_Handler()
  br label %12

12:                                               ; preds = %11, %8
  ret void
}

declare i32 @HAL_I2C_Init(ptr noundef) #1

declare void @Error_Handler() #1

declare i32 @HAL_I2CEx_ConfigAnalogFilter(ptr noundef, i32 noundef) #1

declare i32 @HAL_I2CEx_ConfigDigitalFilter(ptr noundef, i32 noundef) #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 = !{!"__I2C_HandleTypeDef", !7, i64 0, !10, i64 8, !7, i64 40, !12, i64 48, !12, i64 50, !11, i64 52, !11, i64 56, !7, i64 64, !7, i64 72, !7, i64 80, !11, i64 88, !11, i64 92, !11, i64 96, !11, i64 100, !11, i64 104, !11, i64 108, !11, i64 112}
!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 = !{!"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}


; 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.__I2C_HandleTypeDef = type { ptr, %struct.I2C_InitTypeDef, ptr, i16, i16, i32, i32, ptr, ptr, ptr, i32, i32, i32, i32, i32, i32, i32 }
%struct.I2C_InitTypeDef = type { i32, i32, i32, i32, i32, i32, i32, i32 }

@hi2c1 = external dso_local global %struct.__I2C_HandleTypeDef, align 8

; Function Attrs: nounwind uwtable
define dso_local void @MX_I2C1_Init() local_unnamed_addr #0 {
  store ptr inttoptr (i64 1073763328 to ptr), ptr @hi2c1, align 8, !tbaa !5
  store i32 547398646, ptr getelementptr inbounds (i8, ptr @hi2c1, i64 8), align 8, !tbaa !13
  store i32 0, ptr getelementptr inbounds (i8, ptr @hi2c1, i64 12), align 4, !tbaa !14
  store i32 1, ptr getelementptr inbounds (i8, ptr @hi2c1, i64 16), align 8, !tbaa !15
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 4 dereferenceable(20) getelementptr inbounds (i8, ptr @hi2c1, i64 20), i8 0, i64 20, i1 false)
  %1 = tail call i32 @HAL_I2C_Init(ptr noundef nonnull @hi2c1) #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
  %4 = tail call i32 @HAL_I2CEx_ConfigAnalogFilter(ptr noundef nonnull @hi2c1, i32 noundef 0) #3
  %.not1 = icmp eq i32 %4, 0
  br i1 %.not1, label %6, label %5

5:                                                ; preds = %3
  tail call void @Error_Handler() #3
  br label %6

6:                                                ; preds = %5, %3
  %7 = tail call i32 @HAL_I2CEx_ConfigDigitalFilter(ptr noundef nonnull @hi2c1, i32 noundef 0) #3
  %.not2 = icmp eq i32 %7, 0
  br i1 %.not2, label %9, label %8

8:                                                ; preds = %6
  tail call void @Error_Handler() #3
  br label %9

9:                                                ; preds = %8, %6
  ret void
}

declare i32 @HAL_I2C_Init(ptr noundef) local_unnamed_addr #1

declare void @Error_Handler() local_unnamed_addr #1

declare i32 @HAL_I2CEx_ConfigAnalogFilter(ptr noundef, i32 noundef) local_unnamed_addr #1

declare i32 @HAL_I2CEx_ConfigDigitalFilter(ptr noundef, i32 noundef) 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 = !{!"__I2C_HandleTypeDef", !7, i64 0, !10, i64 8, !7, i64 40, !12, i64 48, !12, i64 50, !11, i64 52, !11, i64 56, !7, i64 64, !7, i64 72, !7, i64 80, !11, i64 88, !11, i64 92, !11, i64 96, !11, i64 100, !11, i64 104, !11, i64 108, !11, i64 112}
!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 = !{!"int", !8, i64 0}
!12 = !{!"short", !8, i64 0}
!13 = !{!6, !11, i64 8}
!14 = !{!6, !11, i64 12}
!15 = !{!6, !11, i64 16}


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