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

; 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.__UART_HandleTypeDef = type { ptr, %struct.UART_InitTypeDef, %struct.UART_AdvFeatureInitTypeDef, ptr, i16, i16, ptr, i16, i16, i16, i32, i16, i16, i32, i32, ptr, ptr, ptr, ptr, i32, i32, i32, i32 }
%struct.UART_InitTypeDef = type { i32, i32, i32, i32, i32, i32, i32, i32, i32 }
%struct.UART_AdvFeatureInitTypeDef = type { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 }

@huart7 = external dso_local global %struct.__UART_HandleTypeDef, align 8

; Function Attrs: nounwind uwtable
define dso_local void @MX_UART7_Init() #0 {
  store ptr inttoptr (i64 1073772544 to ptr), ptr @huart7, align 8, !tbaa !5
  store i32 115200, ptr getelementptr inbounds (%struct.__UART_HandleTypeDef, ptr @huart7, i32 0, i32 1), align 8, !tbaa !14
  store i32 0, ptr getelementptr inbounds (%struct.UART_InitTypeDef, ptr getelementptr inbounds (%struct.__UART_HandleTypeDef, ptr @huart7, i32 0, i32 1), i32 0, i32 1), align 4, !tbaa !15
  store i32 0, ptr getelementptr inbounds (%struct.UART_InitTypeDef, ptr getelementptr inbounds (%struct.__UART_HandleTypeDef, ptr @huart7, i32 0, i32 1), i32 0, i32 2), align 8, !tbaa !16
  store i32 0, ptr getelementptr inbounds (%struct.UART_InitTypeDef, ptr getelementptr inbounds (%struct.__UART_HandleTypeDef, ptr @huart7, i32 0, i32 1), i32 0, i32 3), align 4, !tbaa !17
  store i32 12, ptr getelementptr inbounds (%struct.UART_InitTypeDef, ptr getelementptr inbounds (%struct.__UART_HandleTypeDef, ptr @huart7, i32 0, i32 1), i32 0, i32 4), align 8, !tbaa !18
  store i32 0, ptr getelementptr inbounds (%struct.UART_InitTypeDef, ptr getelementptr inbounds (%struct.__UART_HandleTypeDef, ptr @huart7, i32 0, i32 1), i32 0, i32 5), align 4, !tbaa !19
  store i32 0, ptr getelementptr inbounds (%struct.UART_InitTypeDef, ptr getelementptr inbounds (%struct.__UART_HandleTypeDef, ptr @huart7, i32 0, i32 1), i32 0, i32 6), align 8, !tbaa !20
  store i32 0, ptr getelementptr inbounds (%struct.UART_InitTypeDef, ptr getelementptr inbounds (%struct.__UART_HandleTypeDef, ptr @huart7, i32 0, i32 1), i32 0, i32 7), align 4, !tbaa !21
  store i32 0, ptr getelementptr inbounds (%struct.UART_InitTypeDef, ptr getelementptr inbounds (%struct.__UART_HandleTypeDef, ptr @huart7, i32 0, i32 1), i32 0, i32 8), align 8, !tbaa !22
  store i32 0, ptr getelementptr inbounds (%struct.__UART_HandleTypeDef, ptr @huart7, i32 0, i32 2), align 4, !tbaa !23
  %1 = call i32 @HAL_UART_Init(ptr noundef @huart7)
  %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_UARTEx_SetTxFifoThreshold(ptr noundef @huart7, 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_UARTEx_SetRxFifoThreshold(ptr noundef @huart7, 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
  %13 = call i32 @HAL_UARTEx_DisableFifoMode(ptr noundef @huart7)
  %14 = icmp ne i32 %13, 0
  br i1 %14, label %15, label %16

15:                                               ; preds = %12
  call void @Error_Handler()
  br label %16

16:                                               ; preds = %15, %12
  ret void
}

declare i32 @HAL_UART_Init(ptr noundef) #1

declare void @Error_Handler() #1

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

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

declare i32 @HAL_UARTEx_DisableFifoMode(ptr 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 = !{!"__UART_HandleTypeDef", !7, i64 0, !10, i64 8, !12, i64 44, !7, i64 88, !13, i64 96, !13, i64 98, !7, i64 104, !13, i64 112, !13, i64 114, !13, i64 116, !11, i64 120, !13, i64 124, !13, i64 126, !11, i64 128, !11, i64 132, !7, i64 136, !7, i64 144, !7, i64 152, !7, i64 160, !11, i64 168, !11, i64 172, !11, i64 176, !11, i64 180}
!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 = !{!"int", !8, i64 0}
!12 = !{!"", !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}
!13 = !{!"short", !8, i64 0}
!14 = !{!6, !11, i64 8}
!15 = !{!6, !11, i64 12}
!16 = !{!6, !11, i64 16}
!17 = !{!6, !11, i64 20}
!18 = !{!6, !11, i64 24}
!19 = !{!6, !11, i64 28}
!20 = !{!6, !11, i64 32}
!21 = !{!6, !11, i64 36}
!22 = !{!6, !11, i64 40}
!23 = !{!6, !11, i64 44}


; 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.__UART_HandleTypeDef = type { ptr, %struct.UART_InitTypeDef, %struct.UART_AdvFeatureInitTypeDef, ptr, i16, i16, ptr, i16, i16, i16, i32, i16, i16, i32, i32, ptr, ptr, ptr, ptr, i32, i32, i32, i32 }
%struct.UART_InitTypeDef = type { i32, i32, i32, i32, i32, i32, i32, i32, i32 }
%struct.UART_AdvFeatureInitTypeDef = type { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 }

@huart7 = external dso_local global %struct.__UART_HandleTypeDef, align 8

; Function Attrs: nounwind uwtable
define dso_local void @MX_UART7_Init() local_unnamed_addr #0 {
  store ptr inttoptr (i64 1073772544 to ptr), ptr @huart7, align 8, !tbaa !5
  store <4 x i32> <i32 115200, i32 0, i32 0, i32 0>, ptr getelementptr inbounds (i8, ptr @huart7, i64 8), align 8, !tbaa !14
  store i32 12, ptr getelementptr inbounds (i8, ptr @huart7, i64 24), align 8, !tbaa !15
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 4 dereferenceable(20) getelementptr inbounds (i8, ptr @huart7, i64 28), i8 0, i64 20, i1 false)
  %1 = tail call i32 @HAL_UART_Init(ptr noundef nonnull @huart7) #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_UARTEx_SetTxFifoThreshold(ptr noundef nonnull @huart7, 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_UARTEx_SetRxFifoThreshold(ptr noundef nonnull @huart7, 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
  %10 = tail call i32 @HAL_UARTEx_DisableFifoMode(ptr noundef nonnull @huart7) #3
  %.not3 = icmp eq i32 %10, 0
  br i1 %.not3, label %12, label %11

11:                                               ; preds = %9
  tail call void @Error_Handler() #3
  br label %12

12:                                               ; preds = %11, %9
  ret void
}

declare i32 @HAL_UART_Init(ptr noundef) local_unnamed_addr #1

declare void @Error_Handler() local_unnamed_addr #1

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

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

declare i32 @HAL_UARTEx_DisableFifoMode(ptr 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 = !{!"__UART_HandleTypeDef", !7, i64 0, !10, i64 8, !12, i64 44, !7, i64 88, !13, i64 96, !13, i64 98, !7, i64 104, !13, i64 112, !13, i64 114, !13, i64 116, !11, i64 120, !13, i64 124, !13, i64 126, !11, i64 128, !11, i64 132, !7, i64 136, !7, i64 144, !7, i64 152, !7, i64 160, !11, i64 168, !11, i64 172, !11, i64 176, !11, i64 180}
!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 = !{!"int", !8, i64 0}
!12 = !{!"", !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}
!13 = !{!"short", !8, i64 0}
!14 = !{!11, !11, i64 0}
!15 = !{!6, !11, i64 24}


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