; LLVM IR from heroseh/cgm :: cgm (CgmMat3x2_mul_vector)

; 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.CgmVec2 = type { %struct.anon }
%struct.anon = type { float, float }

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #0

; Function Attrs: nounwind uwtable
define dso_local <2 x float> @CgmMat3x2_mul_vector(ptr noundef %0, <2 x float> %1) #1 {
  %3 = alloca %union.CgmVec2, align 4
  %4 = alloca %union.CgmVec2, align 4
  %5 = alloca ptr, align 8
  %6 = getelementptr inbounds %union.CgmVec2, ptr %4, i32 0, i32 0
  store <2 x float> %1, ptr %6, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.anon, ptr %3, i32 0, i32 0
  %8 = getelementptr inbounds %struct.anon, ptr %4, i32 0, i32 0
  %9 = load float, ptr %8, align 4, !tbaa !9
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = getelementptr inbounds [3 x %union.CgmVec2], ptr %10, i64 0, i64 0
  %12 = getelementptr inbounds %struct.anon, ptr %11, i32 0, i32 0
  %13 = load float, ptr %12, align 4, !tbaa !9
  %14 = getelementptr inbounds %struct.anon, ptr %4, i32 0, i32 1
  %15 = load float, ptr %14, align 4, !tbaa !9
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = getelementptr inbounds [3 x %union.CgmVec2], ptr %16, i64 0, i64 1
  %18 = getelementptr inbounds %struct.anon, ptr %17, i32 0, i32 0
  %19 = load float, ptr %18, align 4, !tbaa !9
  %20 = fmul float %15, %19
  %21 = call float @llvm.fmuladd.f32(float %9, float %13, float %20)
  store float %21, ptr %7, align 4, !tbaa !10
  %22 = getelementptr inbounds %struct.anon, ptr %3, i32 0, i32 1
  %23 = getelementptr inbounds %struct.anon, ptr %4, i32 0, i32 0
  %24 = load float, ptr %23, align 4, !tbaa !9
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  %26 = getelementptr inbounds [3 x %union.CgmVec2], ptr %25, i64 0, i64 0
  %27 = getelementptr inbounds %struct.anon, ptr %26, i32 0, i32 1
  %28 = load float, ptr %27, align 4, !tbaa !9
  %29 = getelementptr inbounds %struct.anon, ptr %4, i32 0, i32 1
  %30 = load float, ptr %29, align 4, !tbaa !9
  %31 = load ptr, ptr %5, align 8, !tbaa !5
  %32 = getelementptr inbounds [3 x %union.CgmVec2], ptr %31, i64 0, i64 1
  %33 = getelementptr inbounds %struct.anon, ptr %32, i32 0, i32 1
  %34 = load float, ptr %33, align 4, !tbaa !9
  %35 = fmul float %30, %34
  %36 = call float @llvm.fmuladd.f32(float %24, float %28, float %35)
  store float %36, ptr %22, align 4, !tbaa !13
  %37 = getelementptr inbounds %union.CgmVec2, ptr %3, i32 0, i32 0
  %38 = load <2 x float>, ptr %37, align 4
  ret <2 x float> %38
}

attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = !{!11, !12, i64 0}
!11 = !{!"", !12, i64 0, !12, i64 4}
!12 = !{!"float", !7, i64 0}
!13 = !{!11, !12, i64 4}


; 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(argmem: read) uwtable
define dso_local <2 x float> @CgmMat3x2_mul_vector(ptr nocapture noundef readonly %0, <2 x float> %1) local_unnamed_addr #0 {
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = load <2 x float>, ptr %0, align 4, !tbaa !5
  %5 = load <2 x float>, ptr %3, align 4, !tbaa !5
  %6 = shufflevector <2 x float> %1, <2 x float> poison, <2 x i32> <i32 1, i32 1>
  %7 = fmul <2 x float> %6, %5
  %8 = shufflevector <2 x float> %1, <2 x float> poison, <2 x i32> zeroinitializer
  %9 = tail call <2 x float> @llvm.fmuladd.v2f32(<2 x float> %8, <2 x float> %4, <2 x float> %7)
  ret <2 x float> %9
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare <2 x float> @llvm.fmuladd.v2f32(<2 x float>, <2 x float>, <2 x float>) #1

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) 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 #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!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"}


; Effective O3 passes: EarlyCSEPass,GlobalDCEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,TailCallElimPass