; LLVM IR from lichen-community-systems/signaletic :: hosts/daisy/vendor/libDaisy/Drivers/STM32H7xx_HAL_Driver/Src (IRQHandler)

; 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.HASH_HandleTypeDef = type { %struct.HASH_InitTypeDef, ptr, ptr, ptr, ptr, i32, i32, i32, i32, i32, i32, ptr, i32, i32, i32, i32, i32, i32 }
%struct.HASH_InitTypeDef = type { i32, i32, ptr }

; Function Attrs: nounwind uwtable
declare dso_local void @HAL_HASH_ErrorCallback(ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local void @HAL_HASH_IRQHandler(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = call i32 @HASH_IT(ptr noundef %3)
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = getelementptr inbounds %struct.HASH_HandleTypeDef, ptr %5, i32 0, i32 9
  store i32 %4, ptr %6, align 8, !tbaa !9
  %7 = load ptr, ptr %2, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.HASH_HandleTypeDef, ptr %7, i32 0, i32 9
  %9 = load i32, ptr %8, align 8, !tbaa !9
  %10 = icmp ne i32 %9, 0
  br i1 %10, label %11, label %19

11:                                               ; preds = %1
  %12 = load ptr, ptr %2, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.HASH_HandleTypeDef, ptr %12, i32 0, i32 17
  %14 = load volatile i32, ptr %13, align 4, !tbaa !13
  %15 = or i32 %14, 1
  store volatile i32 %15, ptr %13, align 4, !tbaa !13
  %16 = load ptr, ptr %2, align 8, !tbaa !5
  call void @HAL_HASH_ErrorCallback(ptr noundef %16)
  %17 = load ptr, ptr %2, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.HASH_HandleTypeDef, ptr %17, i32 0, i32 9
  store i32 0, ptr %18, align 8, !tbaa !9
  br label %19

19:                                               ; preds = %11, %1
  ret void
}

; Function Attrs: nounwind uwtable
declare hidden i32 @HASH_IT(ptr noundef) #0

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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !12, i64 64}
!10 = !{!"", !11, i64 0, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !12, i64 48, !12, i64 52, !12, i64 56, !12, i64 60, !12, i64 64, !12, i64 68, !6, i64 72, !12, i64 80, !12, i64 84, !12, i64 88, !12, i64 92, !12, i64 96, !12, i64 100}
!11 = !{!"", !12, i64 0, !12, i64 4, !6, i64 8}
!12 = !{!"int", !7, i64 0}
!13 = !{!10, !12, i64 100}


; 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
declare dso_local void @HAL_HASH_ErrorCallback(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @HAL_HASH_IRQHandler(ptr noundef %0) local_unnamed_addr #0 {
  %2 = tail call i32 @HASH_IT(ptr noundef %0)
  %3 = getelementptr inbounds i8, ptr %0, i64 64
  store i32 %2, ptr %3, align 8, !tbaa !5
  %.not = icmp eq i32 %2, 0
  br i1 %.not, label %8, label %4

4:                                                ; preds = %1
  %5 = getelementptr inbounds i8, ptr %0, i64 100
  %6 = load volatile i32, ptr %5, align 4, !tbaa !12
  %7 = or i32 %6, 1
  store volatile i32 %7, ptr %5, align 4, !tbaa !12
  tail call void @HAL_HASH_ErrorCallback(ptr noundef nonnull %0)
  store i32 0, ptr %3, align 8, !tbaa !5
  br label %8

8:                                                ; preds = %4, %1
  ret void
}

; Function Attrs: nounwind uwtable
declare hidden i32 @HASH_IT(ptr noundef) local_unnamed_addr #0

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, !8, i64 64}
!6 = !{!"", !7, i64 0, !11, i64 16, !11, i64 24, !11, i64 32, !11, i64 40, !8, i64 48, !8, i64 52, !8, i64 56, !8, i64 60, !8, i64 64, !8, i64 68, !11, i64 72, !8, i64 80, !8, i64 84, !8, i64 88, !8, i64 92, !8, i64 96, !8, i64 100}
!7 = !{!"", !8, i64 0, !8, i64 4, !11, i64 8}
!8 = !{!"int", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C/C++ TBAA"}
!11 = !{!"any pointer", !9, i64 0}
!12 = !{!6, !8, i64 100}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InstCombinePass,SROAPass,TailCallElimPass