; LLVM IR from timskillman/raspberrypi :: SharedCode/SMtriangle.ll (ZN10SMtriangle10reflectionE5vec3f)

; 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.vec3f = type { float, float, float }

; 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) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef float @_Z12innerProductR5vec3fS0_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN5vec3fmiES_(ptr noundef nonnull align 4 dereferenceable(12), <2 x float>, float) #3 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN10SMtriangle10faceNormalEv(ptr noundef nonnull align 4 dereferenceable(36)) #4 align 2

; Function Attrs: mustprogress uwtable
define dso_local { <2 x float>, float } @_ZN10SMtriangle10reflectionE5vec3f(ptr noundef nonnull align 4 dereferenceable(36) %0, <2 x float> %1, float %2) #4 align 2 {
  %4 = alloca %class.vec3f, align 4
  %5 = alloca %class.vec3f, align 4
  %6 = alloca { <2 x float>, float }, align 4
  %7 = alloca ptr, align 8
  %8 = alloca %class.vec3f, align 4
  %9 = alloca { <2 x float>, float }, align 8
  %10 = alloca %class.vec3f, align 4
  %11 = alloca %class.vec3f, align 4
  %12 = alloca { <2 x float>, float }, align 8
  %13 = alloca { <2 x float>, float }, align 8
  %14 = alloca { <2 x float>, float }, align 4
  %15 = alloca { <2 x float>, float }, align 8
  %16 = alloca { <2 x float>, float }, align 8
  %17 = getelementptr inbounds { <2 x float>, float }, ptr %6, i32 0, i32 0
  store <2 x float> %1, ptr %17, align 4
  %18 = getelementptr inbounds { <2 x float>, float }, ptr %6, i32 0, i32 1
  store float %2, ptr %18, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %5, ptr align 4 %6, i64 12, i1 false)
  store ptr %0, ptr %7, align 8, !tbaa !5
  %19 = load ptr, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr %8) #6
  %20 = call { <2 x float>, float } @_ZN10SMtriangle10faceNormalEv(ptr noundef nonnull align 4 dereferenceable(36) %19)
  store { <2 x float>, float } %20, ptr %9, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %8, ptr align 8 %9, i64 12, i1 false)
  call void @llvm.lifetime.start.p0(i64 12, ptr %11) #6
  %21 = call noundef float @_Z12innerProductR5vec3fS0_(ptr noundef nonnull align 4 dereferenceable(12) %5, ptr noundef nonnull align 4 dereferenceable(12) %8)
  %22 = call { <2 x float>, float } @_ZN5vec3fmlEf(ptr noundef nonnull align 4 dereferenceable(12) %8, float noundef %21)
  store { <2 x float>, float } %22, ptr %12, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %11, ptr align 8 %12, i64 12, i1 false)
  %23 = call { <2 x float>, float } @_ZN5vec3fmlEf(ptr noundef nonnull align 4 dereferenceable(12) %11, float noundef 2.000000e+00)
  store { <2 x float>, float } %23, ptr %13, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %10, ptr align 8 %13, i64 12, i1 false)
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %14, ptr align 4 %10, i64 12, i1 false)
  %24 = getelementptr inbounds { <2 x float>, float }, ptr %14, i32 0, i32 0
  %25 = load <2 x float>, ptr %24, align 4
  %26 = getelementptr inbounds { <2 x float>, float }, ptr %14, i32 0, i32 1
  %27 = load float, ptr %26, align 4
  %28 = call { <2 x float>, float } @_ZN5vec3fmiES_(ptr noundef nonnull align 4 dereferenceable(12) %5, <2 x float> %25, float %27)
  store { <2 x float>, float } %28, ptr %15, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %4, ptr align 8 %15, i64 12, i1 false)
  call void @llvm.lifetime.end.p0(i64 12, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr %8) #6
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %16, ptr align 4 %4, i64 12, i1 false)
  %29 = load { <2 x float>, float }, ptr %16, align 8
  ret { <2 x float>, float } %29
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN5vec3fmlEf(ptr noundef nonnull align 4 dereferenceable(12), float noundef) #5 align 2

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { inlinehint 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 #6 = { 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++ 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"

%class.vec3f = type { float, float, float }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef float @_Z12innerProductR5vec3fS0_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #0

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN5vec3fmiES_(ptr noundef nonnull align 4 dereferenceable(12), <2 x float>, float) local_unnamed_addr #2 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN10SMtriangle10faceNormalEv(ptr noundef nonnull align 4 dereferenceable(36)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
define dso_local { <2 x float>, float } @_ZN10SMtriangle10reflectionE5vec3f(ptr noundef nonnull align 4 dereferenceable(36) %0, <2 x float> %1, float %2) local_unnamed_addr #3 align 2 {
  %4 = alloca %class.vec3f, align 8
  %5 = alloca %class.vec3f, align 8
  %6 = alloca %class.vec3f, align 8
  store <2 x float> %1, ptr %4, align 8
  %.sroa.220.0..sroa_idx = getelementptr inbounds i8, ptr %4, i64 8
  store float %2, ptr %.sroa.220.0..sroa_idx, align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %5) #5
  %7 = tail call { <2 x float>, float } @_ZN10SMtriangle10faceNormalEv(ptr noundef nonnull align 4 dereferenceable(36) %0)
  %.fca.0.extract15 = extractvalue { <2 x float>, float } %7, 0
  %.fca.1.extract16 = extractvalue { <2 x float>, float } %7, 1
  store <2 x float> %.fca.0.extract15, ptr %5, align 8
  %.sroa.218.0..sroa_idx = getelementptr inbounds i8, ptr %5, i64 8
  store float %.fca.1.extract16, ptr %.sroa.218.0..sroa_idx, align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %6) #5
  %8 = call noundef float @_Z12innerProductR5vec3fS0_(ptr noundef nonnull align 4 dereferenceable(12) %4, ptr noundef nonnull align 4 dereferenceable(12) %5)
  %9 = call { <2 x float>, float } @_ZN5vec3fmlEf(ptr noundef nonnull align 4 dereferenceable(12) %5, float noundef %8)
  %.fca.0.extract9 = extractvalue { <2 x float>, float } %9, 0
  %.fca.1.extract10 = extractvalue { <2 x float>, float } %9, 1
  store <2 x float> %.fca.0.extract9, ptr %6, align 8
  %.sroa.212.0..sroa_idx = getelementptr inbounds i8, ptr %6, i64 8
  store float %.fca.1.extract10, ptr %.sroa.212.0..sroa_idx, align 8
  %10 = call { <2 x float>, float } @_ZN5vec3fmlEf(ptr noundef nonnull align 4 dereferenceable(12) %6, float noundef 2.000000e+00)
  %.fca.0.extract5 = extractvalue { <2 x float>, float } %10, 0
  %.fca.1.extract6 = extractvalue { <2 x float>, float } %10, 1
  %11 = call { <2 x float>, float } @_ZN5vec3fmiES_(ptr noundef nonnull align 4 dereferenceable(12) %4, <2 x float> %.fca.0.extract5, float %.fca.1.extract6)
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %5) #5
  ret { <2 x float>, float } %11
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN5vec3fmlEf(ptr noundef nonnull align 4 dereferenceable(12), float noundef) local_unnamed_addr #4 align 2

attributes #0 = { mustprogress 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { 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 = { inlinehint 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 #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)"}


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