; LLVM IR from caryll/otfcc :: lib/table/otl/subtables (gpos-common)

; 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.otl_Anchor = type { i8, double, double }

; Function Attrs: nounwind uwtable
define dso_local void @otl_read_anchor(ptr dead_on_unwind noalias writable sret(%struct.otl_Anchor) align 8 %0, ptr noundef %1, i32 noundef %2, i32 noundef %3) #0 {
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  store i32 %3, ptr %7, align 4, !tbaa !9
  call void @llvm.memset.p0.i64(ptr align 8 %0, i8 0, i64 24, i1 false)
  %8 = load i32, ptr %6, align 4, !tbaa !9
  %9 = load i32, ptr %7, align 4, !tbaa !9
  %10 = add i32 %9, 6
  %11 = icmp ult i32 %8, %10
  br i1 %11, label %12, label %13

12:                                               ; preds = %4
  br label %31

13:                                               ; preds = %4
  %14 = getelementptr inbounds %struct.otl_Anchor, ptr %0, i32 0, i32 0
  store i8 1, ptr %14, align 8, !tbaa !11
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = load i32, ptr %7, align 4, !tbaa !9
  %17 = zext i32 %16 to i64
  %18 = getelementptr inbounds i8, ptr %15, i64 %17
  %19 = getelementptr inbounds i8, ptr %18, i64 2
  %20 = call signext i16 @read_16s(ptr noundef %19)
  %21 = sitofp i16 %20 to double
  %22 = getelementptr inbounds %struct.otl_Anchor, ptr %0, i32 0, i32 1
  store double %21, ptr %22, align 8, !tbaa !15
  %23 = load ptr, ptr %5, align 8, !tbaa !5
  %24 = load i32, ptr %7, align 4, !tbaa !9
  %25 = zext i32 %24 to i64
  %26 = getelementptr inbounds i8, ptr %23, i64 %25
  %27 = getelementptr inbounds i8, ptr %26, i64 4
  %28 = call signext i16 @read_16s(ptr noundef %27)
  %29 = sitofp i16 %28 to double
  %30 = getelementptr inbounds %struct.otl_Anchor, ptr %0, i32 0, i32 2
  store double %29, ptr %30, align 8, !tbaa !16
  br label %35

31:                                               ; preds = %12
  %32 = getelementptr inbounds %struct.otl_Anchor, ptr %0, i32 0, i32 0
  store i8 0, ptr %32, align 8, !tbaa !11
  %33 = getelementptr inbounds %struct.otl_Anchor, ptr %0, i32 0, i32 1
  store double 0.000000e+00, ptr %33, align 8, !tbaa !15
  %34 = getelementptr inbounds %struct.otl_Anchor, ptr %0, i32 0, i32 2
  store double 0.000000e+00, ptr %34, align 8, !tbaa !16
  br label %35

35:                                               ; preds = %31, %13
  ret void
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden signext i16 @read_16s(ptr noundef) #2

attributes #0 = { 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 #1 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #2 = { inlinehint 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" }

!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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !13, i64 0}
!12 = !{!"", !13, i64 0, !14, i64 8, !14, i64 16}
!13 = !{!"_Bool", !7, i64 0}
!14 = !{!"double", !7, i64 0}
!15 = !{!12, !14, i64 8}
!16 = !{!12, !14, 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"

%struct.otl_Anchor = type { i8, double, double }

; Function Attrs: nounwind uwtable
define dso_local void @otl_read_anchor(ptr dead_on_unwind noalias nocapture writable writeonly sret(%struct.otl_Anchor) align 8 %0, ptr noundef %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #0 {
  store i64 0, ptr %0, align 8
  %5 = add i32 %3, 6
  %6 = icmp ugt i32 %5, %2
  br i1 %6, label %17, label %7

7:                                                ; preds = %4
  %8 = zext i32 %3 to i64
  %9 = getelementptr inbounds i8, ptr %1, i64 %8
  %10 = getelementptr inbounds i8, ptr %9, i64 2
  %11 = tail call signext i16 @read_16s(ptr noundef nonnull %10)
  %12 = getelementptr inbounds i8, ptr %9, i64 4
  %13 = tail call signext i16 @read_16s(ptr noundef nonnull %12)
  %14 = insertelement <2 x i16> poison, i16 %11, i64 0
  %15 = insertelement <2 x i16> %14, i16 %13, i64 1
  %16 = sitofp <2 x i16> %15 to <2 x double>
  br label %17

17:                                               ; preds = %4, %7
  %.sink6 = phi i8 [ 1, %7 ], [ 0, %4 ]
  %18 = phi <2 x double> [ %16, %7 ], [ zeroinitializer, %4 ]
  store i8 %.sink6, ptr %0, align 8
  %19 = getelementptr inbounds i8, ptr %0, i64 8
  store <2 x double> %18, ptr %19, align 8
  ret void
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden signext i16 @read_16s(ptr noundef) local_unnamed_addr #1

attributes #0 = { 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 #1 = { inlinehint 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" }

!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: DSEPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,MergedLoadStoreMotionPass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass