; LLVM IR from maliput/maliput :: src/maliput/math/vector.ll (ZN7maliput4math7Vector25UnitXEv)

; 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.maliput::math::Vector2" = type { %"class.maliput::math::VectorBase.23" }
%"class.maliput::math::VectorBase.23" = type { %"struct.std::array.2" }
%"struct.std::array.2" = type { [2 x double] }
%"class.std::initializer_list" = type { ptr, i64 }

; 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
define dso_local { double, double } @_ZN7maliput4math7Vector25UnitXEv() #1 align 2 {
  %1 = alloca %"class.maliput::math::Vector2", align 8
  %2 = alloca %"class.std::initializer_list", align 8
  %3 = alloca [2 x double], align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr %3) #2
  store double 1.000000e+00, ptr %3, align 8, !tbaa !5
  %4 = getelementptr inbounds double, ptr %3, i64 1
  store double 0.000000e+00, ptr %4, align 8, !tbaa !5
  %5 = getelementptr inbounds %"class.std::initializer_list", ptr %2, i32 0, i32 0
  store ptr %3, ptr %5, align 8, !tbaa !9
  %6 = getelementptr inbounds %"class.std::initializer_list", ptr %2, i32 0, i32 1
  store i64 2, ptr %6, align 8, !tbaa !13
  %7 = getelementptr inbounds { ptr, i64 }, ptr %2, i32 0, i32 0
  %8 = load ptr, ptr %7, align 8
  %9 = getelementptr inbounds { ptr, i64 }, ptr %2, i32 0, i32 1
  %10 = load i64, ptr %9, align 8
  call void @_ZN7maliput4math7Vector2C2ESt16initializer_listIdE(ptr noundef nonnull align 8 dereferenceable(16) %1, ptr %8, i64 %10)
  call void @llvm.lifetime.end.p0(i64 16, ptr %3) #2
  %11 = getelementptr inbounds %"class.maliput::math::Vector2", ptr %1, i32 0, i32 0
  %12 = getelementptr inbounds %"class.maliput::math::VectorBase.23", ptr %11, i32 0, i32 0
  %13 = getelementptr inbounds %"struct.std::array.2", ptr %12, i32 0, i32 0
  %14 = load { double, double }, ptr %13, align 8
  ret { double, double } %14
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7maliput4math7Vector2C2ESt16initializer_listIdE(ptr noundef nonnull align 8 dereferenceable(16), ptr, i64) unnamed_addr #1 align 2

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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"_ZTSSt16initializer_listIdE", !11, i64 0, !12, i64 8}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!10, !12, i64 8}


; 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"

%"class.maliput::math::Vector2" = type { %"class.maliput::math::VectorBase.23" }
%"class.maliput::math::VectorBase.23" = type { %"struct.std::array.2" }
%"struct.std::array.2" = type { [2 x double] }

; 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
define dso_local { double, double } @_ZN7maliput4math7Vector25UnitXEv() local_unnamed_addr #1 align 2 {
  %1 = alloca %"class.maliput::math::Vector2", align 8
  %2 = alloca [2 x double], align 16
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %2) #2
  store <2 x double> <double 1.000000e+00, double 0.000000e+00>, ptr %2, align 16, !tbaa !5
  call void @_ZN7maliput4math7Vector2C2ESt16initializer_listIdE(ptr noundef nonnull align 8 dereferenceable(16) %1, ptr nonnull %2, i64 2)
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %2) #2
  %.fca.0.load = load double, ptr %1, align 8
  %.fca.0.insert = insertvalue { double, double } poison, double %.fca.0.load, 0
  %.fca.1.gep = getelementptr inbounds i8, ptr %1, i64 8
  %.fca.1.load = load double, ptr %.fca.1.gep, align 8
  %.fca.1.insert = insertvalue { double, double } %.fca.0.insert, double %.fca.1.load, 1
  ret { double, double } %.fca.1.insert
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7maliput4math7Vector2C2ESt16initializer_listIdE(ptr noundef nonnull align 8 dereferenceable(16), ptr, i64) unnamed_addr #1 align 2

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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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