; LLVM IR from aap/pdp6 :: emu (mem)

; 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.Membus = type { i64, i64, i64, i64, i64, i64, ptr, [16 x ptr] }
%struct.FMem = type { [16 x i64], i8, i8, i8 }
%struct.Mem = type { %struct.Device, ptr, [4 x ptr], ptr, ptr, ptr }
%struct.Device = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr }

@fmem_ident = external dso_local global ptr, align 8
@.str.9 = external hidden unnamed_addr constant [1 x i8], align 1
@memterm = external dso_local global %struct.Membus, align 8

; 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 allocsize(0)
declare noalias ptr @malloc(i64 noundef) #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

; Function Attrs: nounwind uwtable
define dso_local ptr @makefastmem(i32 noundef %0) #3 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store i32 %0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  %5 = call noalias ptr @malloc(i64 noundef 136) #5
  store ptr %5, ptr %3, align 8, !tbaa !9
  %6 = load ptr, ptr %3, align 8, !tbaa !9
  call void @llvm.memset.p0.i64(ptr align 8 %6, i8 0, i64 136, i1 false)
  %7 = load i32, ptr %2, align 4, !tbaa !5
  %8 = trunc i32 %7 to i8
  %9 = load ptr, ptr %3, align 8, !tbaa !9
  %10 = getelementptr inbounds %struct.FMem, ptr %9, i32 0, i32 1
  store i8 %8, ptr %10, align 8, !tbaa !11
  %11 = call noalias ptr @malloc(i64 noundef 128) #5
  store ptr %11, ptr %4, align 8, !tbaa !9
  %12 = load ptr, ptr %4, align 8, !tbaa !9
  call void @llvm.memset.p0.i64(ptr align 8 %12, i8 0, i64 128, i1 false)
  %13 = load ptr, ptr @fmem_ident, align 8, !tbaa !9
  %14 = load ptr, ptr %4, align 8, !tbaa !9
  %15 = getelementptr inbounds %struct.Mem, ptr %14, i32 0, i32 0
  %16 = getelementptr inbounds %struct.Device, ptr %15, i32 0, i32 1
  store ptr %13, ptr %16, align 8, !tbaa !13
  %17 = load ptr, ptr %4, align 8, !tbaa !9
  %18 = getelementptr inbounds %struct.Mem, ptr %17, i32 0, i32 0
  %19 = getelementptr inbounds %struct.Device, ptr %18, i32 0, i32 2
  store ptr @.str.9, ptr %19, align 8, !tbaa !16
  %20 = load ptr, ptr %3, align 8, !tbaa !9
  %21 = load ptr, ptr %4, align 8, !tbaa !9
  %22 = getelementptr inbounds %struct.Mem, ptr %21, i32 0, i32 1
  store ptr %20, ptr %22, align 8, !tbaa !17
  %23 = load ptr, ptr %4, align 8, !tbaa !9
  %24 = getelementptr inbounds %struct.Mem, ptr %23, i32 0, i32 2
  %25 = getelementptr inbounds [4 x ptr], ptr %24, i64 0, i64 0
  store ptr @memterm, ptr %25, align 8, !tbaa !9
  %26 = load ptr, ptr %4, align 8, !tbaa !9
  %27 = getelementptr inbounds %struct.Mem, ptr %26, i32 0, i32 2
  %28 = getelementptr inbounds [4 x ptr], ptr %27, i64 0, i64 1
  store ptr @memterm, ptr %28, align 8, !tbaa !9
  %29 = load ptr, ptr %4, align 8, !tbaa !9
  %30 = getelementptr inbounds %struct.Mem, ptr %29, i32 0, i32 2
  %31 = getelementptr inbounds [4 x ptr], ptr %30, i64 0, i64 2
  store ptr @memterm, ptr %31, align 8, !tbaa !9
  %32 = load ptr, ptr %4, align 8, !tbaa !9
  %33 = getelementptr inbounds %struct.Mem, ptr %32, i32 0, i32 2
  %34 = getelementptr inbounds [4 x ptr], ptr %33, i64 0, i64 3
  store ptr @memterm, ptr %34, align 8, !tbaa !9
  %35 = load ptr, ptr %4, align 8, !tbaa !9
  %36 = getelementptr inbounds %struct.Mem, ptr %35, i32 0, i32 3
  store ptr @wakeff, ptr %36, align 8, !tbaa !18
  %37 = load ptr, ptr %4, align 8, !tbaa !9
  %38 = getelementptr inbounds %struct.Mem, ptr %37, i32 0, i32 4
  store ptr @powerff, ptr %38, align 8, !tbaa !19
  %39 = load ptr, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  ret ptr %39
}

; Function Attrs: nounwind uwtable
declare hidden i32 @wakeff(ptr noundef, i32 noundef, ptr noundef) #3

; Function Attrs: nounwind uwtable
declare hidden void @powerff(ptr noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { nounwind uwtable "min-legal-vector-width"="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 #4 = { nounwind }
attributes #5 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !7, i64 128}
!12 = !{!"FMem", !7, i64 0, !7, i64 128, !7, i64 129, !7, i64 130}
!13 = !{!14, !10, i64 8}
!14 = !{!"Mem", !15, i64 0, !10, i64 64, !7, i64 72, !10, i64 104, !10, i64 112, !10, i64 120}
!15 = !{!"Device", !10, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !10, i64 40, !10, i64 48, !10, i64 56}
!16 = !{!14, !10, i64 16}
!17 = !{!14, !10, i64 64}
!18 = !{!14, !10, i64 104}
!19 = !{!14, !10, i64 112}


; 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.Membus = type { i64, i64, i64, i64, i64, i64, ptr, [16 x ptr] }

@fmem_ident = external dso_local local_unnamed_addr global ptr, align 8
@.str.9 = external hidden unnamed_addr constant [1 x i8], align 1
@memterm = external dso_local global %struct.Membus, align 8

; Function Attrs: mustprogress nofree nounwind willreturn memory(readwrite, argmem: none) uwtable
define dso_local noalias noundef ptr @makefastmem(i32 noundef %0) local_unnamed_addr #0 {
  %calloc = tail call dereferenceable_or_null(136) ptr @calloc(i64 1, i64 136)
  %2 = trunc i32 %0 to i8
  %3 = getelementptr inbounds i8, ptr %calloc, i64 128
  store i8 %2, ptr %3, align 8, !tbaa !5
  %calloc14 = tail call dereferenceable_or_null(128) ptr @calloc(i64 1, i64 128)
  %4 = load ptr, ptr @fmem_ident, align 8, !tbaa !9
  %5 = getelementptr inbounds i8, ptr %calloc14, i64 8
  store ptr %4, ptr %5, align 8, !tbaa !11
  %6 = getelementptr inbounds i8, ptr %calloc14, i64 16
  store ptr @.str.9, ptr %6, align 8, !tbaa !14
  %7 = getelementptr inbounds i8, ptr %calloc14, i64 64
  store ptr %calloc, ptr %7, align 8, !tbaa !15
  %8 = getelementptr inbounds i8, ptr %calloc14, i64 72
  store ptr @memterm, ptr %8, align 8, !tbaa !9
  %9 = getelementptr inbounds i8, ptr %calloc14, i64 80
  store ptr @memterm, ptr %9, align 8, !tbaa !9
  %10 = getelementptr inbounds i8, ptr %calloc14, i64 88
  store ptr @memterm, ptr %10, align 8, !tbaa !9
  %11 = getelementptr inbounds i8, ptr %calloc14, i64 96
  store ptr @memterm, ptr %11, align 8, !tbaa !9
  %12 = getelementptr inbounds i8, ptr %calloc14, i64 104
  store ptr @wakeff, ptr %12, align 8, !tbaa !16
  %13 = getelementptr inbounds i8, ptr %calloc14, i64 112
  store ptr @powerff, ptr %13, align 8, !tbaa !17
  ret ptr %calloc14
}

; Function Attrs: nounwind uwtable
declare hidden i32 @wakeff(ptr noundef, i32 noundef, ptr noundef) #1

; Function Attrs: nounwind uwtable
declare hidden void @powerff(ptr noundef) #1

; Function Attrs: nofree nounwind willreturn allockind("alloc,zeroed") allocsize(0,1) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @calloc(i64 noundef, i64 noundef) local_unnamed_addr #2

attributes #0 = { mustprogress nofree nounwind willreturn memory(readwrite, argmem: none) uwtable "min-legal-vector-width"="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 #1 = { nounwind uwtable "min-legal-vector-width"="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 #2 = { nofree nounwind willreturn allockind("alloc,zeroed") allocsize(0,1) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" }

!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, !7, i64 128}
!6 = !{!"FMem", !7, i64 0, !7, i64 128, !7, i64 129, !7, i64 130}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !10, i64 8}
!12 = !{!"Mem", !13, i64 0, !10, i64 64, !7, i64 72, !10, i64 104, !10, i64 112, !10, i64 120}
!13 = !{!"Device", !10, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !10, i64 40, !10, i64 48, !10, i64 56}
!14 = !{!12, !10, i64 16}
!15 = !{!12, !10, i64 64}
!16 = !{!12, !10, i64 104}
!17 = !{!12, !10, i64 112}


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