; LLVM IR from ctlst-tech/catpilot :: bsp/mcu/periph/irq/stm32 (irq)

; 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.irq_t = type { ptr, ptr, i32 }

@irq = external hidden global [149 x %struct.irq_t], align 16

; Function Attrs: nounwind uwtable
declare dso_local void @irq_default_handler() #0

; Function Attrs: nounwind uwtable
define dso_local void @ADC3_IRQHandler() #0 {
  %1 = load ptr, ptr getelementptr inbounds ([149 x %struct.irq_t], ptr @irq, i64 0, i64 127), align 8, !tbaa !5
  %2 = icmp ne ptr %1, null
  br i1 %2, label %3, label %6

3:                                                ; preds = %0
  %4 = load ptr, ptr getelementptr inbounds ([149 x %struct.irq_t], ptr @irq, i64 0, i64 127), align 8, !tbaa !5
  %5 = load ptr, ptr getelementptr inbounds (%struct.irq_t, ptr getelementptr inbounds ([149 x %struct.irq_t], ptr @irq, i64 0, i64 127), i32 0, i32 1), align 8, !tbaa !11
  call void %4(ptr noundef %5)
  br label %7

6:                                                ; preds = %0
  call void @irq_default_handler()
  br label %7

7:                                                ; preds = %6, %3
  ret void
}

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, !7, i64 0}
!6 = !{!"", !7, i64 0, !7, i64 8, !10, i64 16}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !7, i64 8}


; 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.irq_t = type { ptr, ptr, i32 }

@irq = external hidden local_unnamed_addr global [149 x %struct.irq_t], align 16

; Function Attrs: nounwind uwtable
declare dso_local void @irq_default_handler() local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @ADC3_IRQHandler() local_unnamed_addr #0 {
  %1 = load ptr, ptr getelementptr inbounds (i8, ptr @irq, i64 3048), align 8, !tbaa !5
  %.not = icmp eq ptr %1, null
  br i1 %.not, label %4, label %2

2:                                                ; preds = %0
  %3 = load ptr, ptr getelementptr inbounds (i8, ptr @irq, i64 3056), align 16, !tbaa !11
  tail call void %1(ptr noundef %3) #1
  br label %5

4:                                                ; preds = %0
  tail call void @irq_default_handler()
  br label %5

5:                                                ; preds = %4, %2
  ret void
}

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 = { 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 8, !10, i64 16}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !7, i64 8}


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