; LLVM IR from merpheus-dev/LavaEngine :: src/Utils/soloud/src/audiosource/wav (dr_impl)

; 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 nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z19drmp3_init_internalP5drmp3PFmPvS1_mEPFjS1_i17drmp3_seek_originES1_PK12drmp3_configPK26drmp3_allocation_callbacks(ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) #1

; Function Attrs: mustprogress uwtable
define dso_local i32 @drmp3_init(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3, ptr noundef %4, ptr noundef %5) #1 {
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca ptr, align 8
  %13 = alloca ptr, align 8
  store ptr %0, ptr %8, align 8, !tbaa !5
  store ptr %1, ptr %9, align 8, !tbaa !5
  store ptr %2, ptr %10, align 8, !tbaa !5
  store ptr %3, ptr %11, align 8, !tbaa !5
  store ptr %4, ptr %12, align 8, !tbaa !5
  store ptr %5, ptr %13, align 8, !tbaa !5
  %14 = load ptr, ptr %8, align 8, !tbaa !5
  %15 = icmp eq ptr %14, null
  br i1 %15, label %19, label %16

16:                                               ; preds = %6
  %17 = load ptr, ptr %9, align 8, !tbaa !5
  %18 = icmp eq ptr %17, null
  br i1 %18, label %19, label %20

19:                                               ; preds = %16, %6
  store i32 0, ptr %7, align 4
  br label %29

20:                                               ; preds = %16
  %21 = load ptr, ptr %8, align 8, !tbaa !5
  call void @llvm.memset.p0.i64(ptr align 8 %21, i8 0, i64 21264, i1 false)
  %22 = load ptr, ptr %8, align 8, !tbaa !5
  %23 = load ptr, ptr %9, align 8, !tbaa !5
  %24 = load ptr, ptr %10, align 8, !tbaa !5
  %25 = load ptr, ptr %11, align 8, !tbaa !5
  %26 = load ptr, ptr %12, align 8, !tbaa !5
  %27 = load ptr, ptr %13, align 8, !tbaa !5
  %28 = call noundef i32 @_Z19drmp3_init_internalP5drmp3PFmPvS1_mEPFjS1_i17drmp3_seek_originES1_PK12drmp3_configPK26drmp3_allocation_callbacks(ptr noundef %22, ptr noundef %23, ptr noundef %24, ptr noundef %25, ptr noundef %26, ptr noundef %27)
  store i32 %28, ptr %7, align 4
  br label %29

29:                                               ; preds = %20, %19
  %30 = load i32, ptr %7, align 4
  ret i32 %30
}

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #1 = { mustprogress 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" }

!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"}


; 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 nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z19drmp3_init_internalP5drmp3PFmPvS1_mEPFjS1_i17drmp3_seek_originES1_PK12drmp3_configPK26drmp3_allocation_callbacks(ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @drmp3_init(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3, ptr noundef %4, ptr noundef %5) local_unnamed_addr #1 {
  %7 = icmp eq ptr %0, null
  %8 = icmp eq ptr %1, null
  %or.cond = or i1 %7, %8
  br i1 %or.cond, label %11, label %9

9:                                                ; preds = %6
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(21264) %0, i8 0, i64 21264, i1 false)
  %10 = tail call noundef i32 @_Z19drmp3_init_internalP5drmp3PFmPvS1_mEPFjS1_i17drmp3_seek_originES1_PK12drmp3_configPK26drmp3_allocation_callbacks(ptr noundef nonnull %0, ptr noundef nonnull %1, ptr noundef %2, ptr noundef %3, ptr noundef %4, ptr noundef %5)
  br label %11

11:                                               ; preds = %6, %9
  %.0 = phi i32 [ %10, %9 ], [ 0, %6 ]
  ret i32 %.0
}

attributes #0 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #1 = { mustprogress 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" }

!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: CorrelatedValuePropagationPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass