; LLVM IR from jgaeddert/liquid-dsp :: src/random/src (randn)

; 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: nounwind uwtable
declare dso_local <2 x float> @icrandnf() #0

; Function Attrs: nounwind uwtable
define dso_local void @cawgn(ptr noundef %0, float noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca float, align 4
  %5 = alloca { float, float }, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store float %1, ptr %4, align 4, !tbaa !9
  %6 = call <2 x float> @icrandnf()
  store <2 x float> %6, ptr %5, align 4
  %7 = getelementptr inbounds { float, float }, ptr %5, i32 0, i32 0
  %8 = load float, ptr %7, align 4
  %9 = getelementptr inbounds { float, float }, ptr %5, i32 0, i32 1
  %10 = load float, ptr %9, align 4
  %11 = load float, ptr %4, align 4, !tbaa !9
  %12 = fmul float %8, %11
  %13 = fmul float %10, %11
  %14 = fmul float %12, 0x3FE6A09E60000000
  %15 = fmul float %13, 0x3FE6A09E60000000
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  %17 = getelementptr inbounds { float, float }, ptr %16, i32 0, i32 0
  %18 = load float, ptr %17, align 4
  %19 = getelementptr inbounds { float, float }, ptr %16, i32 0, i32 1
  %20 = load float, ptr %19, align 4
  %21 = fadd float %18, %14
  %22 = fadd float %20, %15
  %23 = getelementptr inbounds { float, float }, ptr %16, i32 0, i32 0
  %24 = getelementptr inbounds { float, float }, ptr %16, i32 0, i32 1
  store float %21, ptr %23, align 4
  store float %22, ptr %24, align 4
  ret void
}

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" }

!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 = !{!"float", !7, i64 0}


; 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: nounwind uwtable
declare dso_local <2 x float> @icrandnf() local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @cawgn(ptr nocapture noundef %0, float noundef %1) local_unnamed_addr #0 {
  %3 = tail call <2 x float> @icrandnf()
  %4 = insertelement <2 x float> poison, float %1, i64 0
  %5 = shufflevector <2 x float> %4, <2 x float> poison, <2 x i32> zeroinitializer
  %6 = fmul <2 x float> %3, %5
  %7 = fmul <2 x float> %6, <float 0x3FE6A09E60000000, float 0x3FE6A09E60000000>
  %8 = load <2 x float>, ptr %0, align 4
  %9 = fadd <2 x float> %8, %7
  store <2 x float> %9, ptr %0, align 4
  ret void
}

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" }

!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,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SLPVectorizerPass,SROAPass,TailCallElimPass