; LLVM IR from trabucayre/openFPGALoader :: src/spiFlash.ll (ZN8SPIFlash5resetEv)

; 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"

%class.SPIFlash = type <{ ptr, ptr, i8, [3 x i8], i32, ptr, i8, [7 x i8] }>

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN8SPIFlash5resetEv(ptr noundef nonnull align 8 dereferenceable(33) %0) unnamed_addr #1 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca [8 x i8], align 1
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  %5 = getelementptr inbounds [8 x i8], ptr %3, i64 0, i64 0
  call void @llvm.memset.p0.i64(ptr align 1 %5, i8 -1, i64 8, i1 false)
  %6 = getelementptr inbounds %class.SPIFlash, ptr %4, i32 0, i32 1
  %7 = load ptr, ptr %6, align 8, !tbaa !9
  %8 = getelementptr inbounds [8 x i8], ptr %3, i64 0, i64 0
  %9 = load ptr, ptr %7, align 8, !tbaa !13
  %10 = getelementptr inbounds ptr, ptr %9, i64 2
  %11 = load ptr, ptr %10, align 8
  %12 = call noundef i32 %11(ptr noundef nonnull align 8 dereferenceable(56) %7, i8 noundef zeroext -1, ptr noundef %8, ptr noundef null, i32 noundef 8)
  %13 = getelementptr inbounds %class.SPIFlash, ptr %4, i32 0, i32 1
  %14 = load ptr, ptr %13, align 8, !tbaa !9
  %15 = load ptr, ptr %14, align 8, !tbaa !13
  %16 = getelementptr inbounds ptr, ptr %15, i64 2
  %17 = load ptr, ptr %16, align 8
  %18 = call noundef i32 %17(ptr noundef nonnull align 8 dereferenceable(56) %14, i8 noundef zeroext 102, ptr noundef null, ptr noundef null, i32 noundef 0)
  %19 = getelementptr inbounds %class.SPIFlash, ptr %4, i32 0, i32 1
  %20 = load ptr, ptr %19, align 8, !tbaa !9
  %21 = load ptr, ptr %20, align 8, !tbaa !13
  %22 = getelementptr inbounds ptr, ptr %21, i64 2
  %23 = load ptr, ptr %22, align 8
  %24 = call noundef i32 %23(ptr noundef nonnull align 8 dereferenceable(56) %20, i8 noundef zeroext -103, ptr noundef null, ptr noundef null, i32 noundef 0)
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  ret void
}

; 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 #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, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 8}
!10 = !{!"_ZTS8SPIFlash", !6, i64 8, !7, i64 16, !11, i64 20, !6, i64 24, !12, i64 32}
!11 = !{!"int", !7, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"vtable pointer", !8, i64 0}


; 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: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN8SPIFlash5resetEv(ptr nocapture noundef nonnull readonly align 8 dereferenceable(33) %0) unnamed_addr #1 align 2 {
  %2 = alloca [8 x i8], align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #2
  store i64 -1, ptr %2, align 8
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = load ptr, ptr %4, align 8, !tbaa !12
  %6 = getelementptr inbounds i8, ptr %5, i64 16
  %7 = load ptr, ptr %6, align 8
  %8 = call noundef i32 %7(ptr noundef nonnull align 8 dereferenceable(56) %4, i8 noundef zeroext -1, ptr noundef nonnull %2, ptr noundef null, i32 noundef 8)
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = load ptr, ptr %9, align 8, !tbaa !12
  %11 = getelementptr inbounds i8, ptr %10, i64 16
  %12 = load ptr, ptr %11, align 8
  %13 = call noundef i32 %12(ptr noundef nonnull align 8 dereferenceable(56) %9, i8 noundef zeroext 102, ptr noundef null, ptr noundef null, i32 noundef 0)
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = load ptr, ptr %14, align 8, !tbaa !12
  %16 = getelementptr inbounds i8, ptr %15, i64 16
  %17 = load ptr, ptr %16, align 8
  %18 = call noundef i32 %17(ptr noundef nonnull align 8 dereferenceable(56) %14, i8 noundef zeroext -103, ptr noundef null, ptr noundef null, i32 noundef 0)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #2
  ret void
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 #2 = { 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 8}
!6 = !{!"_ZTS8SPIFlash", !7, i64 8, !8, i64 16, !10, i64 20, !7, i64 24, !11, i64 32}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"bool", !8, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"vtable pointer", !9, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass