; LLVM IR from unitreerobotics/kinect_teleoperate :: src/extern/glfw/src/examples (wave)

; 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"

@glad_glLoadMatrixf = external dso_local global ptr, align 8
@glad_glMatrixMode = external dso_local global ptr, align 8
@glad_glViewport = external dso_local global ptr, 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 uwtable
define dso_local void @framebuffer_size_callback(ptr noundef %0, i32 noundef %1, i32 noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca float, align 4
  %8 = alloca [4 x [4 x float]], align 16
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store i32 %2, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  store float 1.000000e+00, ptr %7, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 64, ptr %8) #3
  %9 = load i32, ptr %6, align 4, !tbaa !9
  %10 = icmp sgt i32 %9, 0
  br i1 %10, label %11, label %17

11:                                               ; preds = %3
  %12 = load i32, ptr %5, align 4, !tbaa !9
  %13 = sitofp i32 %12 to float
  %14 = load i32, ptr %6, align 4, !tbaa !9
  %15 = sitofp i32 %14 to float
  %16 = fdiv float %13, %15
  store float %16, ptr %7, align 4, !tbaa !11
  br label %17

17:                                               ; preds = %11, %3
  %18 = load ptr, ptr @glad_glViewport, align 8, !tbaa !5
  %19 = load i32, ptr %5, align 4, !tbaa !9
  %20 = load i32, ptr %6, align 4, !tbaa !9
  call void %18(i32 noundef 0, i32 noundef 0, i32 noundef %19, i32 noundef %20)
  %21 = load ptr, ptr @glad_glMatrixMode, align 8, !tbaa !5
  call void %21(i32 noundef 5889)
  %22 = getelementptr inbounds [4 x [4 x float]], ptr %8, i64 0, i64 0
  %23 = load float, ptr %7, align 4, !tbaa !11
  call void @mat4x4_perspective(ptr noundef %22, float noundef 0x3FF0C15240000000, float noundef %23, float noundef 1.000000e+00, float noundef 1.024000e+03)
  %24 = load ptr, ptr @glad_glLoadMatrixf, align 8, !tbaa !5
  %25 = getelementptr inbounds [4 x [4 x float]], ptr %8, i64 0, i64 0
  call void %24(ptr noundef %25)
  call void @llvm.lifetime.end.p0(i64 64, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  ret void
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @mat4x4_perspective(ptr noundef, float noundef, float noundef, float noundef, float noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { inlinehint 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 #3 = { 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}
!11 = !{!12, !12, i64 0}
!12 = !{!"float", !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"

@glad_glLoadMatrixf = external dso_local local_unnamed_addr global ptr, align 8
@glad_glMatrixMode = external dso_local local_unnamed_addr global ptr, align 8
@glad_glViewport = external dso_local local_unnamed_addr global ptr, align 8

; 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
define dso_local void @framebuffer_size_callback(ptr nocapture noundef readnone %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #1 {
  %4 = alloca [4 x [4 x float]], align 16
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %4) #3
  %5 = icmp sgt i32 %2, 0
  %6 = sitofp i32 %1 to float
  %7 = uitofp nneg i32 %2 to float
  %8 = fdiv float %6, %7
  %.0 = select i1 %5, float %8, float 1.000000e+00
  %9 = load ptr, ptr @glad_glViewport, align 8, !tbaa !5
  tail call void %9(i32 noundef 0, i32 noundef 0, i32 noundef %1, i32 noundef %2) #3
  %10 = load ptr, ptr @glad_glMatrixMode, align 8, !tbaa !5
  tail call void %10(i32 noundef 5889) #3
  call void @mat4x4_perspective(ptr noundef nonnull %4, float noundef 0x3FF0C15240000000, float noundef %.0, float noundef 1.000000e+00, float noundef 1.024000e+03)
  %11 = load ptr, ptr @glad_glLoadMatrixf, align 8, !tbaa !5
  call void %11(ptr noundef nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %4) #3
  ret void
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @mat4x4_perspective(ptr noundef, float noundef, float noundef, float noundef, float noundef) local_unnamed_addr #2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { inlinehint 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 #3 = { 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"}


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