; LLVM IR from cvra/robot-software :: lib/parameter (parameter)

; 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.parameter_s = type { ptr, ptr, ptr, i8, i8, i8, %union.anon }
%union.anon = type { %struct._param_val_str_s }
%struct._param_val_str_s = type { ptr, i16, i16 }

declare void @parameter_port_lock() #0

declare void @parameter_port_unlock() #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind uwtable
define dso_local zeroext i1 @parameter_defined(ptr noundef %0) #2 {
  %2 = alloca i1, align 1
  %3 = alloca ptr, align 8
  %4 = alloca i8, align 1
  store ptr %0, ptr %3, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = icmp eq ptr %5, null
  br i1 %6, label %7, label %8

7:                                                ; preds = %1
  store i1 false, ptr %2, align 1
  br label %16

8:                                                ; preds = %1
  call void @parameter_port_lock()
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #3
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.parameter_s, ptr %9, i32 0, i32 4
  %11 = load i8, ptr %10, align 1, !tbaa !9, !range !12, !noundef !13
  %12 = trunc i8 %11 to i1
  %13 = zext i1 %12 to i8
  store i8 %13, ptr %4, align 1, !tbaa !14
  call void @parameter_port_unlock()
  %14 = load i8, ptr %4, align 1, !tbaa !14, !range !12, !noundef !13
  %15 = trunc i8 %14 to i1
  store i1 %15, ptr %2, align 1
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #3
  br label %16

16:                                               ; preds = %8, %7
  %17 = load i1, ptr %2, align 1
  ret i1 %17
}

attributes #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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/C++ TBAA"}
!9 = !{!10, !11, i64 25}
!10 = !{!"parameter_s", !6, i64 0, !6, i64 8, !6, i64 16, !11, i64 24, !11, i64 25, !7, i64 26, !7, i64 32}
!11 = !{!"_Bool", !7, i64 0}
!12 = !{i8 0, i8 2}
!13 = !{}
!14 = !{!11, !11, 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"

declare void @parameter_port_lock() local_unnamed_addr #0

declare void @parameter_port_unlock() local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local zeroext i1 @parameter_defined(ptr noundef readonly %0) local_unnamed_addr #1 {
  %2 = icmp eq ptr %0, null
  br i1 %2, label %7, label %3

3:                                                ; preds = %1
  tail call void @parameter_port_lock() #2
  %4 = getelementptr inbounds i8, ptr %0, i64 25
  %5 = load i8, ptr %4, align 1, !tbaa !5, !range !11, !noundef !12
  %6 = trunc nuw i8 %5 to i1
  tail call void @parameter_port_unlock() #2
  br label %7

7:                                                ; preds = %1, %3
  %.0 = phi i1 [ %6, %3 ], [ false, %1 ]
  ret i1 %.0
}

attributes #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 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, !10, i64 25}
!6 = !{!"parameter_s", !7, i64 0, !7, i64 8, !7, i64 16, !10, i64 24, !10, i64 25, !8, i64 26, !8, i64 32}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"_Bool", !8, i64 0}
!11 = !{i8 0, i8 2}
!12 = !{}


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