; LLVM IR from beagleboard/librobotcontrol :: library/src/math (matrix)

; 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.rc_matrix_t = type { i32, i32, ptr, i32 }

@stderr = external global ptr, align 8
@.str.9 = external hidden unnamed_addr constant [54 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local i32 @rc_matrix_alloc(ptr noundef, i32 noundef, i32 noundef) #0

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(none)
declare i64 @llvm.expect.i64(i64, i64) #2

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #3

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

; Function Attrs: nounwind uwtable
define dso_local i32 @rc_matrix_random(ptr noundef %0, i32 noundef %1, i32 noundef %2) #0 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = load i32, ptr %6, align 4, !tbaa !9
  %12 = load i32, ptr %7, align 4, !tbaa !9
  %13 = call i32 @rc_matrix_alloc(ptr noundef %10, i32 noundef %11, i32 noundef %12)
  %14 = icmp ne i32 %13, 0
  %15 = xor i1 %14, true
  %16 = xor i1 %15, true
  %17 = zext i1 %16 to i32
  %18 = sext i32 %17 to i64
  %19 = call i64 @llvm.expect.i64(i64 %18, i64 0)
  %20 = icmp ne i64 %19, 0
  br i1 %20, label %21, label %24

21:                                               ; preds = %3
  %22 = load ptr, ptr @stderr, align 8, !tbaa !5
  %23 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %22, ptr noundef @.str.9) #5
  store i32 -1, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %49

24:                                               ; preds = %3
  store i32 0, ptr %8, align 4, !tbaa !9
  br label %25

25:                                               ; preds = %45, %24
  %26 = load i32, ptr %8, align 4, !tbaa !9
  %27 = load ptr, ptr %5, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.rc_matrix_t, ptr %27, i32 0, i32 0
  %29 = load i32, ptr %28, align 8, !tbaa !11
  %30 = load ptr, ptr %5, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.rc_matrix_t, ptr %30, i32 0, i32 1
  %32 = load i32, ptr %31, align 4, !tbaa !13
  %33 = mul nsw i32 %29, %32
  %34 = icmp slt i32 %26, %33
  br i1 %34, label %35, label %48

35:                                               ; preds = %25
  %36 = call double @rc_get_random_double()
  %37 = load ptr, ptr %5, align 8, !tbaa !5
  %38 = getelementptr inbounds %struct.rc_matrix_t, ptr %37, i32 0, i32 2
  %39 = load ptr, ptr %38, align 8, !tbaa !14
  %40 = getelementptr inbounds ptr, ptr %39, i64 0
  %41 = load ptr, ptr %40, align 8, !tbaa !5
  %42 = load i32, ptr %8, align 4, !tbaa !9
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds double, ptr %41, i64 %43
  store double %36, ptr %44, align 8, !tbaa !15
  br label %45

45:                                               ; preds = %35
  %46 = load i32, ptr %8, align 4, !tbaa !9
  %47 = add nsw i32 %46, 1
  store i32 %47, ptr %8, align 4, !tbaa !9
  br label %25, !llvm.loop !17

48:                                               ; preds = %25
  store i32 0, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %49

49:                                               ; preds = %48, %21
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  %50 = load i32, ptr %4, align 4
  ret i32 %50
}

declare double @rc_get_random_double() #4

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 = { nocallback nofree nosync nounwind willreturn memory(none) }
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 = { "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 = { 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, !10, i64 0}
!12 = !{!"rc_matrix_t", !10, i64 0, !10, i64 4, !6, i64 8, !10, i64 16}
!13 = !{!12, !10, i64 4}
!14 = !{!12, !6, i64 8}
!15 = !{!16, !16, i64 0}
!16 = !{!"double", !7, i64 0}
!17 = distinct !{!17, !18}
!18 = !{!"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"

@stderr = external local_unnamed_addr global ptr, align 8
@.str.9 = external hidden unnamed_addr constant [54 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local i32 @rc_matrix_alloc(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 1) i32 @rc_matrix_random(ptr noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = tail call i32 @rc_matrix_alloc(ptr noundef %0, i32 noundef %1, i32 noundef %2)
  %.not = icmp eq i32 %4, 0
  br i1 %.not, label %.preheader, label %11, !prof !5

.preheader:                                       ; preds = %3
  %5 = getelementptr inbounds i8, ptr %0, i64 4
  %6 = load i32, ptr %0, align 8, !tbaa !6
  %7 = load i32, ptr %5, align 4, !tbaa !12
  %8 = mul nsw i32 %7, %6
  %9 = icmp sgt i32 %8, 0
  br i1 %9, label %.lr.ph, label %.loopexit

.lr.ph:                                           ; preds = %.preheader
  %10 = getelementptr inbounds i8, ptr %0, i64 8
  br label %14

11:                                               ; preds = %3
  %12 = load ptr, ptr @stderr, align 8, !tbaa !13
  %13 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %12, ptr noundef nonnull @.str.9) #3
  br label %.loopexit

14:                                               ; preds = %.lr.ph, %14
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %14 ]
  %15 = tail call double @rc_get_random_double() #4
  %16 = load ptr, ptr %10, align 8, !tbaa !14
  %17 = load ptr, ptr %16, align 8, !tbaa !13
  %18 = getelementptr inbounds double, ptr %17, i64 %indvars.iv
  store double %15, ptr %18, align 8, !tbaa !15
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %19 = load i32, ptr %0, align 8, !tbaa !6
  %20 = load i32, ptr %5, align 4, !tbaa !12
  %21 = mul nsw i32 %20, %19
  %22 = sext i32 %21 to i64
  %23 = icmp slt i64 %indvars.iv.next, %22
  br i1 %23, label %14, label %.loopexit, !llvm.loop !17

.loopexit:                                        ; preds = %14, %.preheader, %11
  %.09 = phi i32 [ -1, %11 ], [ 0, %.preheader ], [ 0, %14 ]
  ret i32 %.09
}

declare double @rc_get_random_double() local_unnamed_addr #2

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 = { 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 #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 = { cold nounwind }
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 = !{!"branch_weights", !"expected", i32 2000, i32 1}
!6 = !{!7, !8, i64 0}
!7 = !{!"rc_matrix_t", !8, i64 0, !8, i64 4, !11, i64 8, !8, i64 16}
!8 = !{!"int", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C/C++ TBAA"}
!11 = !{!"any pointer", !9, i64 0}
!12 = !{!7, !8, i64 4}
!13 = !{!11, !11, i64 0}
!14 = !{!7, !11, i64 8}
!15 = !{!16, !16, i64 0}
!16 = !{!"double", !9, i64 0}
!17 = distinct !{!17, !18}
!18 = !{!"llvm.loop.mustprogress"}


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