; LLVM IR from jgaeddert/liquid-dsp :: src/matrix/src (matrixcf)

; 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"

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare <2 x float> @__mulsc3(float, float, float, float)

; Function Attrs: nounwind uwtable
define dso_local i32 @matrixcf_pmul(ptr noundef %0, ptr noundef %1, ptr noundef %2, i32 noundef %3, i32 noundef %4) #1 {
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca { float, float }, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !5
  store i32 %3, ptr %9, align 4, !tbaa !9
  store i32 %4, ptr %10, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #2
  store i32 0, ptr %11, align 4, !tbaa !9
  br label %13

13:                                               ; preds = %60, %5
  %14 = load i32, ptr %11, align 4, !tbaa !9
  %15 = load i32, ptr %9, align 4, !tbaa !9
  %16 = load i32, ptr %10, align 4, !tbaa !9
  %17 = mul i32 %15, %16
  %18 = icmp ult i32 %14, %17
  br i1 %18, label %19, label %63

19:                                               ; preds = %13
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  %21 = load i32, ptr %11, align 4, !tbaa !9
  %22 = zext i32 %21 to i64
  %23 = getelementptr inbounds { float, float }, ptr %20, i64 %22
  %24 = getelementptr inbounds { float, float }, ptr %23, i32 0, i32 0
  %25 = load float, ptr %24, align 4
  %26 = getelementptr inbounds { float, float }, ptr %23, i32 0, i32 1
  %27 = load float, ptr %26, align 4
  %28 = load ptr, ptr %7, align 8, !tbaa !5
  %29 = load i32, ptr %11, align 4, !tbaa !9
  %30 = zext i32 %29 to i64
  %31 = getelementptr inbounds { float, float }, ptr %28, i64 %30
  %32 = getelementptr inbounds { float, float }, ptr %31, i32 0, i32 0
  %33 = load float, ptr %32, align 4
  %34 = getelementptr inbounds { float, float }, ptr %31, i32 0, i32 1
  %35 = load float, ptr %34, align 4
  %36 = fmul float %25, %33
  %37 = fmul float %27, %35
  %38 = fmul float %25, %35
  %39 = fmul float %27, %33
  %40 = fsub float %36, %37
  %41 = fadd float %38, %39
  %42 = fcmp uno float %40, %40
  br i1 %42, label %43, label %51, !prof !11

43:                                               ; preds = %19
  %44 = fcmp uno float %41, %41
  br i1 %44, label %45, label %51, !prof !11

45:                                               ; preds = %43
  %46 = call <2 x float> @__mulsc3(float noundef %25, float noundef %27, float noundef %33, float noundef %35) #2
  store <2 x float> %46, ptr %12, align 4
  %47 = getelementptr inbounds { float, float }, ptr %12, i32 0, i32 0
  %48 = load float, ptr %47, align 4
  %49 = getelementptr inbounds { float, float }, ptr %12, i32 0, i32 1
  %50 = load float, ptr %49, align 4
  br label %51

51:                                               ; preds = %45, %43, %19
  %52 = phi float [ %40, %19 ], [ %40, %43 ], [ %48, %45 ]
  %53 = phi float [ %41, %19 ], [ %41, %43 ], [ %50, %45 ]
  %54 = load ptr, ptr %8, align 8, !tbaa !5
  %55 = load i32, ptr %11, align 4, !tbaa !9
  %56 = zext i32 %55 to i64
  %57 = getelementptr inbounds { float, float }, ptr %54, i64 %56
  %58 = getelementptr inbounds { float, float }, ptr %57, i32 0, i32 0
  %59 = getelementptr inbounds { float, float }, ptr %57, i32 0, i32 1
  store float %52, ptr %58, align 4
  store float %53, ptr %59, align 4
  br label %60

60:                                               ; preds = %51
  %61 = load i32, ptr %11, align 4, !tbaa !9
  %62 = add i32 %61, 1
  store i32 %62, ptr %11, align 4, !tbaa !9
  br label %13, !llvm.loop !12

63:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #2
  ret i32 0
}

attributes #0 = { nocallback nofree nosync 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" }
attributes #2 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!"branch_weights", i32 1, i32 1048575}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


; 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"

declare <2 x float> @__mulsc3(float, float, float, float) local_unnamed_addr

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @matrixcf_pmul(ptr nocapture noundef readonly %0, ptr nocapture noundef readonly %1, ptr nocapture noundef writeonly %2, i32 noundef %3, i32 noundef %4) local_unnamed_addr #0 {
  %6 = mul i32 %4, %3
  %.not = icmp eq i32 %6, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %5
  %wide.trip.count = zext i32 %6 to i64
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.preheader, %27
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %27 ]
  %7 = getelementptr inbounds { float, float }, ptr %0, i64 %indvars.iv
  %8 = getelementptr inbounds { float, float }, ptr %1, i64 %indvars.iv
  %9 = load <2 x float>, ptr %7, align 4
  %10 = load <2 x float>, ptr %8, align 4
  %11 = fmul <2 x float> %9, %10
  %12 = shufflevector <2 x float> %9, <2 x float> poison, <2 x i32> <i32 1, i32 0>
  %13 = fmul <2 x float> %12, %10
  %shift = shufflevector <2 x float> %11, <2 x float> poison, <2 x i32> <i32 1, i32 poison>
  %14 = fsub <2 x float> %11, %shift
  %15 = extractelement <2 x float> %14, i64 0
  %shift11 = shufflevector <2 x float> %13, <2 x float> poison, <2 x i32> <i32 1, i32 poison>
  %16 = fadd <2 x float> %13, %shift11
  %17 = extractelement <2 x float> %16, i64 0
  %18 = fcmp uno float %15, 0.000000e+00
  br i1 %18, label %19, label %27, !prof !5

19:                                               ; preds = %.lr.ph
  %20 = fcmp uno float %17, 0.000000e+00
  br i1 %20, label %21, label %27, !prof !5

21:                                               ; preds = %19
  %22 = extractelement <2 x float> %9, i64 0
  %23 = extractelement <2 x float> %9, i64 1
  %24 = extractelement <2 x float> %10, i64 0
  %25 = extractelement <2 x float> %10, i64 1
  %26 = tail call <2 x float> @__mulsc3(float noundef %22, float noundef %23, float noundef %24, float noundef %25) #1
  %.sroa.0.0.vec.extract = extractelement <2 x float> %26, i64 0
  %.sroa.0.4.vec.extract = extractelement <2 x float> %26, i64 1
  br label %27

27:                                               ; preds = %21, %19, %.lr.ph
  %28 = phi float [ %15, %.lr.ph ], [ %15, %19 ], [ %.sroa.0.0.vec.extract, %21 ]
  %29 = phi float [ %17, %.lr.ph ], [ %17, %19 ], [ %.sroa.0.4.vec.extract, %21 ]
  %30 = getelementptr inbounds { float, float }, ptr %2, i64 %indvars.iv
  %31 = getelementptr inbounds i8, ptr %30, i64 4
  store float %28, ptr %30, align 4
  store float %29, ptr %31, align 4
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !6

._crit_edge:                                      ; preds = %27, %5
  ret i32 0
}

attributes #0 = { 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" }
attributes #1 = { 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 = !{!"branch_weights", i32 1, i32 1048575}
!6 = distinct !{!6, !7}
!7 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass,VectorCombinePass