; LLVM IR from danginsburg/opengles3-book :: Chapter_10/MultiTexture (MultiTexture)

; 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"

@.str = external hidden unnamed_addr constant [27 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @LoadTexture(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = call ptr @esLoadTGA(ptr noundef %11, ptr noundef %12, ptr noundef %6, ptr noundef %7)
  store ptr %13, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  %14 = load ptr, ptr %8, align 8, !tbaa !5
  %15 = icmp eq ptr %14, null
  br i1 %15, label %16, label %18

16:                                               ; preds = %2
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  call void (ptr, ...) @esLogMessage(ptr noundef @.str, ptr noundef %17)
  store i32 0, ptr %3, align 4
  store i32 1, ptr %10, align 4
  br label %25

18:                                               ; preds = %2
  call void @glGenTextures(i32 noundef 1, ptr noundef %9)
  %19 = load i32, ptr %9, align 4, !tbaa !9
  call void @glBindTexture(i32 noundef 3553, i32 noundef %19)
  %20 = load i32, ptr %6, align 4, !tbaa !9
  %21 = load i32, ptr %7, align 4, !tbaa !9
  %22 = load ptr, ptr %8, align 8, !tbaa !5
  call void @glTexImage2D(i32 noundef 3553, i32 noundef 0, i32 noundef 6407, i32 noundef %20, i32 noundef %21, i32 noundef 0, i32 noundef 6407, i32 noundef 5121, ptr noundef %22)
  call void @glTexParameteri(i32 noundef 3553, i32 noundef 10241, i32 noundef 9729)
  call void @glTexParameteri(i32 noundef 3553, i32 noundef 10240, i32 noundef 9729)
  call void @glTexParameteri(i32 noundef 3553, i32 noundef 10242, i32 noundef 33071)
  call void @glTexParameteri(i32 noundef 3553, i32 noundef 10243, i32 noundef 33071)
  %23 = load ptr, ptr %8, align 8, !tbaa !5
  call void @free(ptr noundef %23) #4
  %24 = load i32, ptr %9, align 4, !tbaa !9
  store i32 %24, ptr %3, align 4
  store i32 1, ptr %10, align 4
  br label %25

25:                                               ; preds = %18, %16
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  %26 = load i32, ptr %3, align 4
  ret i32 %26
}

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

declare ptr @esLoadTGA(ptr noundef, ptr noundef, ptr noundef, ptr noundef) #2

declare void @esLogMessage(ptr noundef, ...) #2

declare void @glGenTextures(i32 noundef, ptr noundef) #2

declare void @glBindTexture(i32 noundef, i32 noundef) #2

declare void @glTexImage2D(i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, ptr noundef) #2

declare void @glTexParameteri(i32 noundef, i32 noundef, i32 noundef) #2

; Function Attrs: nounwind
declare void @free(ptr noundef) #3

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

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = { 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 #4 = { 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)"}
!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 = !{!"int", !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"

@.str = external hidden unnamed_addr constant [27 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @LoadTexture(ptr noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  %6 = call ptr @esLoadTGA(ptr noundef %0, ptr noundef %1, ptr noundef nonnull %3, ptr noundef nonnull %4) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #4
  %7 = icmp eq ptr %6, null
  br i1 %7, label %8, label %9

8:                                                ; preds = %2
  call void (ptr, ...) @esLogMessage(ptr noundef nonnull @.str, ptr noundef %1) #4
  br label %14

9:                                                ; preds = %2
  call void @glGenTextures(i32 noundef 1, ptr noundef nonnull %5) #4
  %10 = load i32, ptr %5, align 4, !tbaa !5
  call void @glBindTexture(i32 noundef 3553, i32 noundef %10) #4
  %11 = load i32, ptr %3, align 4, !tbaa !5
  %12 = load i32, ptr %4, align 4, !tbaa !5
  call void @glTexImage2D(i32 noundef 3553, i32 noundef 0, i32 noundef 6407, i32 noundef %11, i32 noundef %12, i32 noundef 0, i32 noundef 6407, i32 noundef 5121, ptr noundef nonnull %6) #4
  call void @glTexParameteri(i32 noundef 3553, i32 noundef 10241, i32 noundef 9729) #4
  call void @glTexParameteri(i32 noundef 3553, i32 noundef 10240, i32 noundef 9729) #4
  call void @glTexParameteri(i32 noundef 3553, i32 noundef 10242, i32 noundef 33071) #4
  call void @glTexParameteri(i32 noundef 3553, i32 noundef 10243, i32 noundef 33071) #4
  call void @free(ptr noundef nonnull %6) #4
  %13 = load i32, ptr %5, align 4, !tbaa !5
  br label %14

14:                                               ; preds = %9, %8
  %.0 = phi i32 [ 0, %8 ], [ %13, %9 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  ret i32 %.0
}

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

declare ptr @esLoadTGA(ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

declare void @esLogMessage(ptr noundef, ...) local_unnamed_addr #2

declare void @glGenTextures(i32 noundef, ptr noundef) local_unnamed_addr #2

declare void @glBindTexture(i32 noundef, i32 noundef) local_unnamed_addr #2

declare void @glTexImage2D(i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, ptr noundef) local_unnamed_addr #2

declare void @glTexParameteri(i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #3

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

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, 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 #4 = { 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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SROAPass