; LLVM IR from heroseh/cgm :: cgm (CgmVec3_sub)

; 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.CgmVec3 = type { %struct.anon.0 }
%struct.anon.0 = 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: nounwind uwtable
define dso_local { <2 x float>, float } @CgmVec3_sub(<2 x float> %0, float %1, <2 x float> %2, float %3) #1 {
  %5 = alloca %union.CgmVec3, align 4
  %6 = alloca %union.CgmVec3, align 4
  %7 = alloca { <2 x float>, float }, align 4
  %8 = alloca %union.CgmVec3, align 4
  %9 = alloca { <2 x float>, float }, align 4
  %10 = alloca { <2 x float>, float }, align 8
  %11 = getelementptr inbounds { <2 x float>, float }, ptr %7, i32 0, i32 0
  store <2 x float> %0, ptr %11, align 4
  %12 = getelementptr inbounds { <2 x float>, float }, ptr %7, i32 0, i32 1
  store float %1, ptr %12, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %6, ptr align 4 %7, i64 12, i1 false)
  %13 = getelementptr inbounds { <2 x float>, float }, ptr %9, i32 0, i32 0
  store <2 x float> %2, ptr %13, align 4
  %14 = getelementptr inbounds { <2 x float>, float }, ptr %9, i32 0, i32 1
  store float %3, ptr %14, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %8, ptr align 4 %9, i64 12, i1 false)
  %15 = getelementptr inbounds %struct.anon.0, ptr %5, i32 0, i32 0
  %16 = getelementptr inbounds %struct.anon.0, ptr %6, i32 0, i32 0
  %17 = load float, ptr %16, align 4, !tbaa !5
  %18 = getelementptr inbounds %struct.anon.0, ptr %8, i32 0, i32 0
  %19 = load float, ptr %18, align 4, !tbaa !5
  %20 = fsub float %17, %19
  store float %20, ptr %15, align 4, !tbaa !8
  %21 = getelementptr inbounds %struct.anon.0, ptr %5, i32 0, i32 1
  %22 = getelementptr inbounds %struct.anon.0, ptr %6, i32 0, i32 1
  %23 = load float, ptr %22, align 4, !tbaa !5
  %24 = getelementptr inbounds %struct.anon.0, ptr %8, i32 0, i32 1
  %25 = load float, ptr %24, align 4, !tbaa !5
  %26 = fsub float %23, %25
  store float %26, ptr %21, align 4, !tbaa !11
  %27 = getelementptr inbounds %struct.anon.0, ptr %5, i32 0, i32 2
  %28 = getelementptr inbounds %struct.anon.0, ptr %6, i32 0, i32 2
  %29 = load float, ptr %28, align 4, !tbaa !5
  %30 = getelementptr inbounds %struct.anon.0, ptr %8, i32 0, i32 2
  %31 = load float, ptr %30, align 4, !tbaa !5
  %32 = fsub float %29, %31
  store float %32, ptr %27, align 4, !tbaa !12
  %33 = getelementptr inbounds %union.CgmVec3, ptr %5, i32 0, i32 0
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %10, ptr align 4 %33, i64 12, i1 false)
  %34 = load { <2 x float>, float }, ptr %10, align 8
  ret { <2 x float>, float } %34
}

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = !{!9, !10, i64 0}
!9 = !{!"", !10, i64 0, !10, i64 4, !10, i64 8}
!10 = !{!"float", !6, i64 0}
!11 = !{!9, !10, i64 4}
!12 = !{!9, !10, 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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local { <2 x float>, float } @CgmVec3_sub(<2 x float> %0, float %1, <2 x float> %2, float %3) local_unnamed_addr #0 {
  %5 = fsub <2 x float> %0, %2
  %6 = fsub float %1, %3
  %.fca.0.insert = insertvalue { <2 x float>, float } poison, <2 x float> %5, 0
  %.fca.1.insert = insertvalue { <2 x float>, float } %.fca.0.insert, float %6, 1
  ret { <2 x float>, float } %.fca.1.insert
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) 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: GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass