; LLVM IR from heroseh/cgm :: cgm (CgmVec3_sub_scalar)

; 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_scalar(<2 x float> %0, float %1, float noundef %2) #1 {
  %4 = alloca %union.CgmVec3, align 4
  %5 = alloca %union.CgmVec3, align 4
  %6 = alloca { <2 x float>, float }, align 4
  %7 = alloca float, align 4
  %8 = alloca { <2 x float>, float }, align 8
  %9 = getelementptr inbounds { <2 x float>, float }, ptr %6, i32 0, i32 0
  store <2 x float> %0, ptr %9, align 4
  %10 = getelementptr inbounds { <2 x float>, float }, ptr %6, i32 0, i32 1
  store float %1, ptr %10, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %5, ptr align 4 %6, i64 12, i1 false)
  store float %2, ptr %7, align 4, !tbaa !5
  %11 = getelementptr inbounds %struct.anon.0, ptr %4, i32 0, i32 0
  %12 = getelementptr inbounds %struct.anon.0, ptr %5, i32 0, i32 0
  %13 = load float, ptr %12, align 4, !tbaa !9
  %14 = load float, ptr %7, align 4, !tbaa !5
  %15 = fsub float %13, %14
  store float %15, ptr %11, align 4, !tbaa !10
  %16 = getelementptr inbounds %struct.anon.0, ptr %4, i32 0, i32 1
  %17 = getelementptr inbounds %struct.anon.0, ptr %5, i32 0, i32 1
  %18 = load float, ptr %17, align 4, !tbaa !9
  %19 = load float, ptr %7, align 4, !tbaa !5
  %20 = fsub float %18, %19
  store float %20, ptr %16, align 4, !tbaa !12
  %21 = getelementptr inbounds %struct.anon.0, ptr %4, i32 0, i32 2
  %22 = getelementptr inbounds %struct.anon.0, ptr %5, i32 0, i32 2
  %23 = load float, ptr %22, align 4, !tbaa !9
  %24 = load float, ptr %7, align 4, !tbaa !5
  %25 = fsub float %23, %24
  store float %25, ptr %21, align 4, !tbaa !13
  %26 = getelementptr inbounds %union.CgmVec3, ptr %4, i32 0, i32 0
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %8, ptr align 4 %26, i64 12, i1 false)
  %27 = load { <2 x float>, float }, ptr %8, align 8
  ret { <2 x float>, float } %27
}

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 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = !{!11, !6, i64 0}
!11 = !{!"", !6, i64 0, !6, i64 4, !6, i64 8}
!12 = !{!11, !6, i64 4}
!13 = !{!11, !6, 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_scalar(<2 x float> %0, float %1, float noundef %2) local_unnamed_addr #0 {
  %4 = insertelement <2 x float> poison, float %2, i64 0
  %5 = shufflevector <2 x float> %4, <2 x float> poison, <2 x i32> zeroinitializer
  %6 = fsub <2 x float> %0, %5
  %7 = fsub float %1, %2
  %.fca.0.insert = insertvalue { <2 x float>, float } poison, <2 x float> %6, 0
  %.fca.1.insert = insertvalue { <2 x float>, float } %.fca.0.insert, float %7, 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