; LLVM IR from T-Troll/alienfx-tools :: alienfx-gui/kiss_fft/tools/kiss_fftr.ll (Z15kiss_fftr_allociiPvPm)

; 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"

%struct.kiss_fft_cpx = type { float, float }
%struct.kiss_fftr_state = type { i32, ptr, ptr, ptr }

@stderr = external global ptr, align 8
@.str = external hidden unnamed_addr constant [37 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_Z15kiss_fftr_allociiPvPm(i32 noundef %0, i32 noundef %1, ptr noundef %2, ptr noundef %3) #0 {
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca ptr, align 8
  %12 = alloca i64, align 8
  %13 = alloca i64, align 8
  %14 = alloca i32, align 4
  %15 = alloca double, align 8
  %16 = alloca %struct.kiss_fft_cpx, align 4
  store i32 %0, ptr %6, align 4, !tbaa !5
  store i32 %1, ptr %7, align 4, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !9
  store ptr %3, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #7
  store ptr null, ptr %11, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #7
  %17 = load i32, ptr %6, align 4, !tbaa !5
  %18 = and i32 %17, 1
  %19 = icmp ne i32 %18, 0
  br i1 %19, label %20, label %23

20:                                               ; preds = %4
  %21 = load ptr, ptr @stderr, align 8, !tbaa !9
  %22 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %21, ptr noundef @.str) #7
  store ptr null, ptr %5, align 8
  store i32 1, ptr %14, align 4
  br label %114

23:                                               ; preds = %4
  %24 = load i32, ptr %6, align 4, !tbaa !5
  %25 = ashr i32 %24, 1
  store i32 %25, ptr %6, align 4, !tbaa !5
  %26 = load i32, ptr %6, align 4, !tbaa !5
  %27 = load i32, ptr %7, align 4, !tbaa !5
  %28 = call noundef ptr @_Z14kiss_fft_allociiPvPm(i32 noundef %26, i32 noundef %27, ptr noundef null, ptr noundef %12)
  %29 = load i64, ptr %12, align 8, !tbaa !11
  %30 = add i64 32, %29
  %31 = load i32, ptr %6, align 4, !tbaa !5
  %32 = mul nsw i32 %31, 2
  %33 = sext i32 %32 to i64
  %34 = mul i64 8, %33
  %35 = add i64 %30, %34
  store i64 %35, ptr %13, align 8, !tbaa !11
  %36 = load ptr, ptr %9, align 8, !tbaa !9
  %37 = icmp eq ptr %36, null
  br i1 %37, label %38, label %41

38:                                               ; preds = %23
  %39 = load i64, ptr %13, align 8, !tbaa !11
  %40 = call noalias ptr @malloc(i64 noundef %39) #8
  store ptr %40, ptr %11, align 8, !tbaa !9
  br label %51

41:                                               ; preds = %23
  %42 = load ptr, ptr %9, align 8, !tbaa !9
  %43 = load i64, ptr %42, align 8, !tbaa !11
  %44 = load i64, ptr %13, align 8, !tbaa !11
  %45 = icmp uge i64 %43, %44
  br i1 %45, label %46, label %48

46:                                               ; preds = %41
  %47 = load ptr, ptr %8, align 8, !tbaa !9
  store ptr %47, ptr %11, align 8, !tbaa !9
  br label %48

48:                                               ; preds = %46, %41
  %49 = load i64, ptr %13, align 8, !tbaa !11
  %50 = load ptr, ptr %9, align 8, !tbaa !9
  store i64 %49, ptr %50, align 8, !tbaa !11
  br label %51

51:                                               ; preds = %48, %38
  %52 = load ptr, ptr %11, align 8, !tbaa !9
  %53 = icmp ne ptr %52, null
  br i1 %53, label %55, label %54

54:                                               ; preds = %51
  store ptr null, ptr %5, align 8
  store i32 1, ptr %14, align 4
  br label %114

55:                                               ; preds = %51
  %56 = load ptr, ptr %11, align 8, !tbaa !9
  %57 = getelementptr inbounds %struct.kiss_fftr_state, ptr %56, i32 0, i32 0
  store i32 -3, ptr %57, align 8, !tbaa !13
  %58 = load ptr, ptr %11, align 8, !tbaa !9
  %59 = getelementptr inbounds %struct.kiss_fftr_state, ptr %58, i64 1
  %60 = load ptr, ptr %11, align 8, !tbaa !9
  %61 = getelementptr inbounds %struct.kiss_fftr_state, ptr %60, i32 0, i32 1
  store ptr %59, ptr %61, align 8, !tbaa !15
  %62 = load ptr, ptr %11, align 8, !tbaa !9
  %63 = getelementptr inbounds %struct.kiss_fftr_state, ptr %62, i32 0, i32 1
  %64 = load ptr, ptr %63, align 8, !tbaa !15
  %65 = load i64, ptr %12, align 8, !tbaa !11
  %66 = getelementptr inbounds i8, ptr %64, i64 %65
  %67 = load ptr, ptr %11, align 8, !tbaa !9
  %68 = getelementptr inbounds %struct.kiss_fftr_state, ptr %67, i32 0, i32 2
  store ptr %66, ptr %68, align 8, !tbaa !16
  %69 = load ptr, ptr %11, align 8, !tbaa !9
  %70 = getelementptr inbounds %struct.kiss_fftr_state, ptr %69, i32 0, i32 2
  %71 = load ptr, ptr %70, align 8, !tbaa !16
  %72 = load i32, ptr %6, align 4, !tbaa !5
  %73 = sext i32 %72 to i64
  %74 = getelementptr inbounds %struct.kiss_fft_cpx, ptr %71, i64 %73
  %75 = load ptr, ptr %11, align 8, !tbaa !9
  %76 = getelementptr inbounds %struct.kiss_fftr_state, ptr %75, i32 0, i32 3
  store ptr %74, ptr %76, align 8, !tbaa !17
  %77 = load i32, ptr %6, align 4, !tbaa !5
  %78 = load i32, ptr %7, align 4, !tbaa !5
  %79 = load ptr, ptr %11, align 8, !tbaa !9
  %80 = getelementptr inbounds %struct.kiss_fftr_state, ptr %79, i32 0, i32 1
  %81 = load ptr, ptr %80, align 8, !tbaa !15
  %82 = call noundef ptr @_Z14kiss_fft_allociiPvPm(i32 noundef %77, i32 noundef %78, ptr noundef %81, ptr noundef %12)
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %83

83:                                               ; preds = %109, %55
  %84 = load i32, ptr %10, align 4, !tbaa !5
  %85 = load i32, ptr %6, align 4, !tbaa !5
  %86 = icmp slt i32 %84, %85
  br i1 %86, label %87, label %112

87:                                               ; preds = %83
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #7
  %88 = load i32, ptr %10, align 4, !tbaa !5
  %89 = sitofp i32 %88 to double
  %90 = load i32, ptr %6, align 4, !tbaa !5
  %91 = sitofp i32 %90 to double
  %92 = fdiv double %89, %91
  %93 = fadd double %92, 5.000000e-01
  %94 = fmul double 0xC00921FB54442D18, %93
  store double %94, ptr %15, align 8, !tbaa !18
  %95 = load i32, ptr %7, align 4, !tbaa !5
  %96 = icmp ne i32 %95, 0
  br i1 %96, label %97, label %100

97:                                               ; preds = %87
  %98 = load double, ptr %15, align 8, !tbaa !18
  %99 = fmul double %98, -1.000000e+00
  store double %99, ptr %15, align 8, !tbaa !18
  br label %100

100:                                              ; preds = %97, %87
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #7
  %101 = load double, ptr %15, align 8, !tbaa !18
  %102 = call <2 x float> @_ZL7kf_cexpd(double noundef %101)
  store <2 x float> %102, ptr %16, align 4
  %103 = load ptr, ptr %11, align 8, !tbaa !9
  %104 = getelementptr inbounds %struct.kiss_fftr_state, ptr %103, i32 0, i32 3
  %105 = load ptr, ptr %104, align 8, !tbaa !17
  %106 = load i32, ptr %10, align 4, !tbaa !5
  %107 = sext i32 %106 to i64
  %108 = getelementptr inbounds %struct.kiss_fft_cpx, ptr %105, i64 %107
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %108, ptr align 4 %16, i64 8, i1 false), !tbaa.struct !20
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #7
  br label %109

109:                                              ; preds = %100
  %110 = load i32, ptr %10, align 4, !tbaa !5
  %111 = add nsw i32 %110, 1
  store i32 %111, ptr %10, align 4, !tbaa !5
  br label %83, !llvm.loop !23

112:                                              ; preds = %83
  %113 = load ptr, ptr %11, align 8, !tbaa !9
  store ptr %113, ptr %5, align 8
  store i32 1, ptr %14, align 4
  br label %114

114:                                              ; preds = %112, %54, %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  %115 = load ptr, ptr %5, align 8
  ret ptr %115
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #2

declare noundef ptr @_Z14kiss_fft_allociiPvPm(i32 noundef, i32 noundef, ptr noundef, ptr noundef) #3

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare hidden <2 x float> @_ZL7kf_cexpd(double noundef) #5

; 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) #6

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { mustprogress 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 willreturn memory(argmem: readwrite) }
attributes #2 = { nounwind "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 #3 = { "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 #4 = { nounwind allocsize(0) "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 #5 = { inlinehint mustprogress 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 #6 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #7 = { nounwind }
attributes #8 = { nounwind allocsize(0) }

!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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!14, !6, i64 0}
!14 = !{!"_ZTS15kiss_fftr_state", !6, i64 0, !10, i64 8, !10, i64 16, !10, i64 24}
!15 = !{!14, !10, i64 8}
!16 = !{!14, !10, i64 16}
!17 = !{!14, !10, i64 24}
!18 = !{!19, !19, i64 0}
!19 = !{!"double", !7, i64 0}
!20 = !{i64 0, i64 4, !21, i64 4, i64 4, !21}
!21 = !{!22, !22, i64 0}
!22 = !{!"float", !7, i64 0}
!23 = distinct !{!23, !24}
!24 = !{!"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"

%struct.kiss_fft_cpx = type { float, float }

@stderr = external local_unnamed_addr global ptr, align 8
@.str = external hidden unnamed_addr constant [37 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_Z15kiss_fftr_allociiPvPm(i32 noundef %0, i32 noundef %1, ptr noundef %2, ptr noundef %3) local_unnamed_addr #0 {
  %5 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  %6 = and i32 %0, 1
  %.not = icmp eq i32 %6, 0
  br i1 %.not, label %10, label %7

7:                                                ; preds = %4
  %8 = load ptr, ptr @stderr, align 8, !tbaa !5
  %9 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %8, ptr noundef nonnull @.str) #7
  br label %.thread

10:                                               ; preds = %4
  %11 = ashr exact i32 %0, 1
  %12 = call noundef ptr @_Z14kiss_fft_allociiPvPm(i32 noundef %11, i32 noundef %1, ptr noundef null, ptr noundef nonnull %5)
  %13 = load i64, ptr %5, align 8, !tbaa !9
  %14 = sext i32 %0 to i64
  %15 = shl nsw i64 %14, 3
  %16 = add nsw i64 %15, 32
  %17 = add i64 %16, %13
  %18 = icmp eq ptr %3, null
  br i1 %18, label %19, label %21

19:                                               ; preds = %10
  %20 = call noalias ptr @malloc(i64 noundef %17) #8
  br label %23

21:                                               ; preds = %10
  %22 = load i64, ptr %3, align 8, !tbaa !9
  %.not40 = icmp ult i64 %22, %17
  store i64 %17, ptr %3, align 8, !tbaa !9
  br i1 %.not40, label %.thread, label %23

23:                                               ; preds = %21, %19
  %.1 = phi ptr [ %20, %19 ], [ %2, %21 ]
  %.not41 = icmp eq ptr %.1, null
  br i1 %.not41, label %.thread, label %24

24:                                               ; preds = %23
  store i32 -3, ptr %.1, align 8, !tbaa !11
  %25 = getelementptr inbounds i8, ptr %.1, i64 32
  %26 = getelementptr inbounds i8, ptr %.1, i64 8
  store ptr %25, ptr %26, align 8, !tbaa !14
  %27 = getelementptr inbounds i8, ptr %25, i64 %13
  %28 = getelementptr inbounds i8, ptr %.1, i64 16
  store ptr %27, ptr %28, align 8, !tbaa !15
  %29 = sext i32 %11 to i64
  %30 = getelementptr inbounds %struct.kiss_fft_cpx, ptr %27, i64 %29
  %31 = getelementptr inbounds i8, ptr %.1, i64 24
  store ptr %30, ptr %31, align 8, !tbaa !16
  %32 = call noundef ptr @_Z14kiss_fft_allociiPvPm(i32 noundef %11, i32 noundef %1, ptr noundef nonnull %25, ptr noundef nonnull %5)
  %33 = icmp sgt i32 %11, 0
  br i1 %33, label %.lr.ph, label %.thread

.lr.ph:                                           ; preds = %24
  %34 = uitofp nneg i32 %11 to double
  %.not42 = icmp eq i32 %1, 0
  %wide.trip.count51 = zext nneg i32 %11 to i64
  br i1 %.not42, label %.lr.ph.split.us, label %.lr.ph.split

.lr.ph.split.us:                                  ; preds = %.lr.ph, %.lr.ph.split.us
  %indvars.iv48 = phi i64 [ %indvars.iv.next49, %.lr.ph.split.us ], [ 0, %.lr.ph ]
  %35 = trunc nuw nsw i64 %indvars.iv48 to i32
  %36 = uitofp nneg i32 %35 to double
  %37 = fdiv double %36, %34
  %38 = fadd double %37, 5.000000e-01
  %39 = fmul double %38, 0xC00921FB54442D18
  %40 = call <2 x float> @_ZL7kf_cexpd(double noundef %39)
  %41 = load ptr, ptr %31, align 8, !tbaa !16
  %42 = getelementptr inbounds %struct.kiss_fft_cpx, ptr %41, i64 %indvars.iv48
  store <2 x float> %40, ptr %42, align 4
  %indvars.iv.next49 = add nuw nsw i64 %indvars.iv48, 1
  %exitcond52.not = icmp eq i64 %indvars.iv.next49, %wide.trip.count51
  br i1 %exitcond52.not, label %.thread, label %.lr.ph.split.us, !llvm.loop !17

.lr.ph.split:                                     ; preds = %.lr.ph, %.lr.ph.split
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph.split ], [ 0, %.lr.ph ]
  %43 = trunc nuw nsw i64 %indvars.iv to i32
  %44 = uitofp nneg i32 %43 to double
  %45 = fdiv double %44, %34
  %46 = fadd double %45, 5.000000e-01
  %47 = fmul double %46, 0x400921FB54442D18
  %48 = call <2 x float> @_ZL7kf_cexpd(double noundef %47)
  %49 = load ptr, ptr %31, align 8, !tbaa !16
  %50 = getelementptr inbounds %struct.kiss_fft_cpx, ptr %49, i64 %indvars.iv
  store <2 x float> %48, ptr %50, align 4
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count51
  br i1 %exitcond.not, label %.thread, label %.lr.ph.split, !llvm.loop !17

.thread:                                          ; preds = %.lr.ph.split, %.lr.ph.split.us, %24, %21, %23, %7
  %.0 = phi ptr [ null, %7 ], [ null, %23 ], [ null, %21 ], [ %.1, %24 ], [ %.1, %.lr.ph.split.us ], [ %.1, %.lr.ph.split ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  ret ptr %.0
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #2

declare noundef ptr @_Z14kiss_fft_allociiPvPm(i32 noundef, i32 noundef, ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare hidden <2 x float> @_ZL7kf_cexpd(double noundef) local_unnamed_addr #5

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { mustprogress 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nofree nounwind "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 #3 = { "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 #4 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 #5 = { inlinehint mustprogress 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 #6 = { nounwind }
attributes #7 = { cold nounwind }
attributes #8 = { nounwind allocsize(0) }

!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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !13, i64 0}
!12 = !{!"_ZTS15kiss_fftr_state", !13, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!13 = !{!"int", !7, i64 0}
!14 = !{!12, !6, i64 8}
!15 = !{!12, !6, i64 16}
!16 = !{!12, !6, i64 24}
!17 = distinct !{!17, !18}
!18 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopInstSimplifyPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass