; LLVM IR from ashishzero/karma :: src/modules/core/lin_maths.ll (Z8vec3_sub4Vec3S_)

; 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"

%union.Vec3 = type { %struct.anon }
%struct.anon = type { float, float, float }

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local { <2 x float>, float } @_Z4vec3fff(float noundef, float noundef, float noundef) #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
define dso_local { <2 x float>, float } @_Z8vec3_sub4Vec3S_(<2 x float> %0, float %1, <2 x float> %2, float %3) #2 {
  %5 = alloca %union.Vec3, align 4
  %6 = alloca %union.Vec3, align 4
  %7 = alloca { <2 x float>, float }, align 4
  %8 = alloca %union.Vec3, align 4
  %9 = alloca { <2 x float>, float }, align 4
  %10 = alloca { <2 x float>, float }, align 8
  %11 = alloca { <2 x float>, float }, align 8
  %12 = getelementptr inbounds { <2 x float>, float }, ptr %7, i32 0, i32 0
  store <2 x float> %0, ptr %12, align 4
  %13 = getelementptr inbounds { <2 x float>, float }, ptr %7, i32 0, i32 1
  store float %1, ptr %13, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %6, ptr align 4 %7, i64 12, i1 false)
  %14 = getelementptr inbounds { <2 x float>, float }, ptr %9, i32 0, i32 0
  store <2 x float> %2, ptr %14, align 4
  %15 = getelementptr inbounds { <2 x float>, float }, ptr %9, i32 0, i32 1
  store float %3, ptr %15, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %8, ptr align 4 %9, i64 12, i1 false)
  %16 = getelementptr inbounds %struct.anon, ptr %6, i32 0, i32 0
  %17 = load float, ptr %16, align 4, !tbaa !5
  %18 = getelementptr inbounds %struct.anon, ptr %8, i32 0, i32 0
  %19 = load float, ptr %18, align 4, !tbaa !5
  %20 = fsub float %17, %19
  %21 = getelementptr inbounds %struct.anon, ptr %6, i32 0, i32 1
  %22 = load float, ptr %21, align 4, !tbaa !5
  %23 = getelementptr inbounds %struct.anon, ptr %8, i32 0, i32 1
  %24 = load float, ptr %23, align 4, !tbaa !5
  %25 = fsub float %22, %24
  %26 = getelementptr inbounds %struct.anon, ptr %6, i32 0, i32 2
  %27 = load float, ptr %26, align 4, !tbaa !5
  %28 = getelementptr inbounds %struct.anon, ptr %8, i32 0, i32 2
  %29 = load float, ptr %28, align 4, !tbaa !5
  %30 = fsub float %27, %29
  %31 = call { <2 x float>, float } @_Z4vec3fff(float noundef %20, float noundef %25, float noundef %30)
  %32 = getelementptr inbounds %union.Vec3, ptr %5, i32 0, i32 0
  store { <2 x float>, float } %31, ptr %10, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %32, ptr align 8 %10, i64 12, i1 false)
  %33 = getelementptr inbounds %union.Vec3, ptr %5, i32 0, i32 0
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %11, ptr align 4 %33, i64 12, i1 false)
  %34 = load { <2 x float>, float }, ptr %11, align 8
  ret { <2 x float>, float } %34
}

attributes #0 = { inlinehint 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 = { 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" }

!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++ 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"

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local { <2 x float>, float } @_Z4vec3fff(float noundef, float noundef, float noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local { <2 x float>, float } @_Z8vec3_sub4Vec3S_(<2 x float> %0, float %1, <2 x float> %2, float %3) local_unnamed_addr #1 {
  %5 = fsub <2 x float> %0, %2
  %6 = extractelement <2 x float> %5, i64 0
  %7 = fsub <2 x float> %0, %2
  %8 = extractelement <2 x float> %7, i64 1
  %9 = fsub float %1, %3
  %10 = tail call { <2 x float>, float } @_Z4vec3fff(float noundef %6, float noundef %8, float noundef %9)
  ret { <2 x float>, float } %10
}

attributes #0 = { inlinehint 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 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" }

!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,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass,VectorCombinePass