; LLVM IR from jim-b/ECCSI-SAKKE :: src/data (mikeySakkeParameters)

; 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.msParameterSet_t = type { i16, i8, i8, ptr, ptr, ptr, ptr, ptr, ptr, ptr }

@ms_parameter_sets = external dso_local global [1 x %struct.msParameterSet_t], align 16

; 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: nounwind uwtable
define dso_local signext i16 @ms_parameterSetExists(i8 noundef zeroext %0) #1 {
  %2 = alloca i16, align 2
  %3 = alloca i8, align 1
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store i8 %0, ptr %3, align 1, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #2
  store i32 0, ptr %4, align 4, !tbaa !8
  store i32 0, ptr %4, align 4, !tbaa !8
  br label %6

6:                                                ; preds = %21, %1
  %7 = load i32, ptr %4, align 4, !tbaa !8
  %8 = icmp slt i32 %7, 1
  br i1 %8, label %9, label %24

9:                                                ; preds = %6
  %10 = load i32, ptr %4, align 4, !tbaa !8
  %11 = sext i32 %10 to i64
  %12 = getelementptr inbounds [1 x %struct.msParameterSet_t], ptr @ms_parameter_sets, i64 0, i64 %11
  %13 = getelementptr inbounds %struct.msParameterSet_t, ptr %12, i32 0, i32 1
  %14 = load i8, ptr %13, align 2, !tbaa !10
  %15 = zext i8 %14 to i32
  %16 = load i8, ptr %3, align 1, !tbaa !5
  %17 = zext i8 %16 to i32
  %18 = icmp eq i32 %15, %17
  br i1 %18, label %19, label %20

19:                                               ; preds = %9
  store i16 1, ptr %2, align 2
  store i32 1, ptr %5, align 4
  br label %25

20:                                               ; preds = %9
  br label %21

21:                                               ; preds = %20
  %22 = load i32, ptr %4, align 4, !tbaa !8
  %23 = add nsw i32 %22, 1
  store i32 %23, ptr %4, align 4, !tbaa !8
  br label %6, !llvm.loop !14

24:                                               ; preds = %6
  store i16 0, ptr %2, align 2
  store i32 1, ptr %5, align 4
  br label %25

25:                                               ; preds = %24, %19
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #2
  %26 = load i16, ptr %2, align 2
  ret i16 %26
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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, !6, i64 0}
!6 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !6, i64 0}
!10 = !{!11, !6, i64 2}
!11 = !{!"msParameterSet_t", !12, i64 0, !6, i64 2, !6, i64 3, !13, i64 8, !13, i64 16, !13, i64 24, !13, i64 32, !13, i64 40, !13, i64 48, !13, i64 56}
!12 = !{!"short", !6, i64 0}
!13 = !{!"any pointer", !6, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


; 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.msParameterSet_t = type { i16, i8, i8, ptr, ptr, ptr, ptr, ptr, ptr, ptr }

@ms_parameter_sets = external dso_local local_unnamed_addr global [1 x %struct.msParameterSet_t], align 16

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read, argmem: none, inaccessiblemem: none) uwtable
define dso_local signext range(i16 0, 2) i16 @ms_parameterSetExists(i8 noundef zeroext %0) local_unnamed_addr #0 {
.critedge:
  %1 = load i8, ptr getelementptr inbounds (i8, ptr @ms_parameter_sets, i64 2), align 2, !tbaa !5
  %2 = icmp eq i8 %1, %0
  %.05 = zext i1 %2 to i16
  ret i16 %.05
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(read, argmem: none, inaccessiblemem: none) 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, !8, i64 2}
!6 = !{!"msParameterSet_t", !7, i64 0, !8, i64 2, !8, i64 3, !10, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !10, i64 40, !10, i64 48, !10, i64 56}
!7 = !{!"short", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}


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