; LLVM IR from trabucayre/openFPGALoader :: src/lattice.ll (ZN7Lattice6idCodeEv)

; 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"

; 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
declare dso_local noundef zeroext i1 @_ZN7Lattice5wr_rdEhPhiS0_ib(ptr noundef nonnull align 8 dereferenceable(152), i8 noundef zeroext, ptr noundef, i32 noundef, ptr noundef, i32 noundef, i1 noundef zeroext) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN7Lattice6idCodeEv(ptr noundef nonnull align 8 dereferenceable(152) %0) unnamed_addr #1 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca [4 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 4, ptr %3) #2
  %5 = getelementptr inbounds [4 x i8], ptr %3, i64 0, i64 0
  %6 = call noundef zeroext i1 @_ZN7Lattice5wr_rdEhPhiS0_ib(ptr noundef nonnull align 8 dereferenceable(152) %4, i8 noundef zeroext -32, ptr noundef null, i32 noundef 0, ptr noundef %5, i32 noundef 4, i1 noundef zeroext false)
  %7 = getelementptr inbounds [4 x i8], ptr %3, i64 0, i64 3
  %8 = load i8, ptr %7, align 1, !tbaa !9
  %9 = zext i8 %8 to i32
  %10 = shl i32 %9, 24
  %11 = getelementptr inbounds [4 x i8], ptr %3, i64 0, i64 2
  %12 = load i8, ptr %11, align 1, !tbaa !9
  %13 = zext i8 %12 to i32
  %14 = shl i32 %13, 16
  %15 = or i32 %10, %14
  %16 = getelementptr inbounds [4 x i8], ptr %3, i64 0, i64 1
  %17 = load i8, ptr %16, align 1, !tbaa !9
  %18 = zext i8 %17 to i32
  %19 = shl i32 %18, 8
  %20 = or i32 %15, %19
  %21 = getelementptr inbounds [4 x i8], ptr %3, i64 0, i64 0
  %22 = load i8, ptr %21, align 1, !tbaa !9
  %23 = zext i8 %22 to i32
  %24 = or i32 %20, %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #2
  ret i32 %24
}

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 = { 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 = !{!7, !7, 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
declare dso_local noundef zeroext i1 @_ZN7Lattice5wr_rdEhPhiS0_ib(ptr noundef nonnull align 8 dereferenceable(152), i8 noundef zeroext, ptr noundef, i32 noundef, ptr noundef, i32 noundef, i1 noundef zeroext) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN7Lattice6idCodeEv(ptr noundef nonnull align 8 dereferenceable(152) %0) unnamed_addr #1 align 2 {
  %2 = alloca [4 x i8], align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #2
  %3 = call noundef zeroext i1 @_ZN7Lattice5wr_rdEhPhiS0_ib(ptr noundef nonnull align 8 dereferenceable(152) %0, i8 noundef zeroext -32, ptr noundef null, i32 noundef 0, ptr noundef nonnull %2, i32 noundef 4, i1 noundef zeroext false)
  %4 = load i32, ptr %2, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #2
  ret i32 %4
}

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)"}


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