; 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: 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

; Function Attrs: nounwind uwtable
declare dso_local void @crandnf(ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local <2 x float> @icrandnf() #1 {
  %1 = alloca { float, float }, align 4
  %2 = alloca { float, float }, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #2
  call void @crandnf(ptr noundef %2)
  %3 = getelementptr inbounds { float, float }, ptr %2, i32 0, i32 0
  %4 = load float, ptr %3, align 4
  %5 = getelementptr inbounds { float, float }, ptr %2, i32 0, i32 1
  %6 = load float, ptr %5, align 4
  %7 = getelementptr inbounds { float, float }, ptr %1, i32 0, i32 0
  %8 = getelementptr inbounds { float, float }, ptr %1, i32 0, i32 1
  store float %4, ptr %7, align 4
  store float %6, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #2
  %9 = load <2 x float>, ptr %1, align 4
  ret <2 x float> %9
}

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)"}


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

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

; Function Attrs: nounwind uwtable
declare dso_local void @crandnf(ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local <2 x float> @icrandnf() local_unnamed_addr #1 {
  %1 = alloca { float, float }, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #2
  call void @crandnf(ptr noundef nonnull %1)
  %2 = load <2 x float>, ptr %1, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #2
  ret <2 x float> %2
}

attributes #0 = { mustprogress 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)"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,SLPVectorizerPass,SROAPass