; LLVM IR from trabucayre/openFPGALoader :: src/spiFlash.ll (ZN8SPIFlash13write_disableEv)

; 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] }>

@.str.133 = external hidden unnamed_addr constant [22 x i8], align 1
@.str.134 = external hidden unnamed_addr constant [24 x i8], align 1

; 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

declare i32 @printf(ptr noundef, ...) #1

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN8SPIFlash13write_disableEv(ptr noundef nonnull align 8 dereferenceable(33) %0) #2 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8
  %5 = getelementptr inbounds %class.SPIFlash, ptr %4, i32 0, i32 1
  %6 = load ptr, ptr %5, align 8, !tbaa !9
  %7 = load ptr, ptr %6, align 8, !tbaa !13
  %8 = getelementptr inbounds ptr, ptr %7, i64 2
  %9 = load ptr, ptr %8, align 8
  %10 = call noundef i32 %9(ptr noundef nonnull align 8 dereferenceable(56) %6, i8 noundef zeroext 4, ptr noundef null, ptr noundef null, i32 noundef 0)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  %11 = getelementptr inbounds %class.SPIFlash, ptr %4, i32 0, i32 1
  %12 = load ptr, ptr %11, align 8, !tbaa !9
  %13 = load ptr, ptr %12, align 8, !tbaa !13
  %14 = getelementptr inbounds ptr, ptr %13, i64 4
  %15 = load ptr, ptr %14, align 8
  %16 = call noundef i32 %15(ptr noundef nonnull align 8 dereferenceable(56) %12, i8 noundef zeroext 5, i8 noundef zeroext 2, i8 noundef zeroext 0, i32 noundef 1000, i1 noundef zeroext false)
  store i32 %16, ptr %3, align 4, !tbaa !15
  %17 = load i32, ptr %3, align 4, !tbaa !15
  %18 = icmp eq i32 %17, -1
  br i1 %18, label %19, label %21

19:                                               ; preds = %1
  %20 = call i32 (ptr, ...) @printf(ptr noundef @.str.133)
  br label %29

21:                                               ; preds = %1
  %22 = getelementptr inbounds %class.SPIFlash, ptr %4, i32 0, i32 2
  %23 = load i8, ptr %22, align 8, !tbaa !16
  %24 = sext i8 %23 to i32
  %25 = icmp sgt i32 %24, 0
  br i1 %25, label %26, label %28

26:                                               ; preds = %21
  %27 = call i32 (ptr, ...) @printf(ptr noundef @.str.134)
  br label %28

28:                                               ; preds = %26, %21
  br label %29

29:                                               ; preds = %28, %19
  %30 = load i32, ptr %3, align 4, !tbaa !15
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  ret i32 %30
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #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}
!15 = !{!11, !11, i64 0}
!16 = !{!10, !7, i64 16}


; 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"

@.str.133 = external hidden unnamed_addr constant [22 x i8], align 1
@.str.134 = external hidden unnamed_addr constant [24 x i8], align 1

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN8SPIFlash13write_disableEv(ptr nocapture noundef nonnull readonly align 8 dereferenceable(33) %0) local_unnamed_addr #1 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8, !tbaa !12
  %5 = getelementptr inbounds i8, ptr %4, i64 16
  %6 = load ptr, ptr %5, align 8
  %7 = tail call noundef i32 %6(ptr noundef nonnull align 8 dereferenceable(56) %3, i8 noundef zeroext 4, ptr noundef null, ptr noundef null, i32 noundef 0)
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = load ptr, ptr %8, align 8, !tbaa !12
  %10 = getelementptr inbounds i8, ptr %9, i64 32
  %11 = load ptr, ptr %10, align 8
  %12 = tail call noundef i32 %11(ptr noundef nonnull align 8 dereferenceable(56) %8, i8 noundef zeroext 5, i8 noundef zeroext 2, i8 noundef zeroext 0, i32 noundef 1000, i1 noundef zeroext false)
  %13 = icmp eq i32 %12, -1
  br i1 %13, label %.sink.split, label %14

14:                                               ; preds = %1
  %15 = getelementptr inbounds i8, ptr %0, i64 16
  %16 = load i8, ptr %15, align 8, !tbaa !14
  %17 = icmp sgt i8 %16, 0
  br i1 %17, label %.sink.split, label %19

.sink.split:                                      ; preds = %14, %1
  %.str.134.sink = phi ptr [ @.str.133, %1 ], [ @.str.134, %14 ]
  %18 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) %.str.134.sink)
  br label %19

19:                                               ; preds = %.sink.split, %14
  ret i32 %12
}

attributes #0 = { nofree nounwind "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 = { 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" }

!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}
!14 = !{!6, !8, i64 16}


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