; LLVM IR from erayzesen/QuarkPhysics :: QuarkPhysics/qmesh.ll (ZN5QMesh13CheckIsReflexE7QVectorS0_S0_)

; 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.QVector = type { float, float }

; 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: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

; Function Attrs: mustprogress uwtable
declare dso_local <2 x float> @_Zmi7QVectorS_(<2 x float>, <2 x float>) #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZNK7QVector3DotES_(ptr noundef nonnull align 4 dereferenceable(8), <2 x float>) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local <2 x float> @_ZNK7QVector13PerpendicularEv(ptr noundef nonnull align 4 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN5QMesh13CheckIsReflexE7QVectorS0_S0_(<2 x float> %0, <2 x float> %1, <2 x float> %2) #2 align 2 {
  %4 = alloca i1, align 1
  %5 = alloca %struct.QVector, align 4
  %6 = alloca %struct.QVector, align 4
  %7 = alloca %struct.QVector, align 4
  %8 = alloca %struct.QVector, align 4
  %9 = alloca %struct.QVector, align 4
  %10 = alloca %struct.QVector, align 4
  %11 = alloca %struct.QVector, align 4
  %12 = alloca %struct.QVector, align 4
  %13 = alloca %struct.QVector, align 4
  %14 = alloca %struct.QVector, align 4
  store <2 x float> %0, ptr %5, align 4
  store <2 x float> %1, ptr %6, align 4
  store <2 x float> %2, ptr %7, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %9, ptr align 4 %6, i64 8, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %10, ptr align 4 %5, i64 8, i1 false), !tbaa.struct !5
  %15 = load <2 x float>, ptr %9, align 4
  %16 = load <2 x float>, ptr %10, align 4
  %17 = call <2 x float> @_Zmi7QVectorS_(<2 x float> %15, <2 x float> %16)
  store <2 x float> %17, ptr %8, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %13, ptr align 4 %7, i64 8, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %14, ptr align 4 %5, i64 8, i1 false), !tbaa.struct !5
  %18 = load <2 x float>, ptr %13, align 4
  %19 = load <2 x float>, ptr %14, align 4
  %20 = call <2 x float> @_Zmi7QVectorS_(<2 x float> %18, <2 x float> %19)
  store <2 x float> %20, ptr %12, align 4
  %21 = call <2 x float> @_ZNK7QVector13PerpendicularEv(ptr noundef nonnull align 4 dereferenceable(8) %12)
  store <2 x float> %21, ptr %11, align 4
  %22 = load <2 x float>, ptr %11, align 4
  %23 = call noundef float @_ZNK7QVector3DotES_(ptr noundef nonnull align 4 dereferenceable(8) %8, <2 x float> %22)
  %24 = fcmp olt float %23, -1.000000e+00
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br i1 %24, label %25, label %26

25:                                               ; preds = %3
  store i1 true, ptr %4, align 1
  br label %27

26:                                               ; preds = %3
  store i1 false, ptr %4, align 1
  br label %27

27:                                               ; preds = %26, %25
  %28 = load i1, ptr %4, align 1
  ret i1 %28
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="64" "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 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="64" "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 #4 = { inlinehint mustprogress uwtable "min-legal-vector-width"="64" "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 #5 = { 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 = !{i64 0, i64 4, !6, i64 4, i64 4, !6}
!6 = !{!7, !7, i64 0}
!7 = !{!"float", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}


; 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.QVector = type { float, float }

; 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 <2 x float> @_Zmi7QVectorS_(<2 x float>, <2 x float>) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZNK7QVector3DotES_(ptr noundef nonnull align 4 dereferenceable(8), <2 x float>) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local <2 x float> @_ZNK7QVector13PerpendicularEv(ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN5QMesh13CheckIsReflexE7QVectorS0_S0_(<2 x float> %0, <2 x float> %1, <2 x float> %2) local_unnamed_addr #1 align 2 {
  %4 = alloca %struct.QVector, align 8
  %5 = alloca %struct.QVector, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %6 = tail call <2 x float> @_Zmi7QVectorS_(<2 x float> %1, <2 x float> %0)
  store <2 x float> %6, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %7 = tail call <2 x float> @_Zmi7QVectorS_(<2 x float> %2, <2 x float> %0)
  store <2 x float> %7, ptr %5, align 8
  %8 = call <2 x float> @_ZNK7QVector13PerpendicularEv(ptr noundef nonnull align 4 dereferenceable(8) %5)
  %9 = call noundef float @_ZNK7QVector3DotES_(ptr noundef nonnull align 4 dereferenceable(8) %4, <2 x float> %8)
  %10 = fcmp olt float %9, -1.000000e+00
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  ret i1 %10
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="64" "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 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="64" "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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="64" "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 #4 = { 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: GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass