; LLVM IR from jgaeddert/liquid-dsp :: sandbox (simplex_test)

; 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"

@__const.main.x = external hidden unnamed_addr constant [18 x float], align 16
@.str = external hidden unnamed_addr constant [11 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [16 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [7 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local void @matrixf_pivot2(ptr noundef, i32 noundef, i32 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(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca [18 x float], align 16
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 72, ptr %2) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %2, ptr align 16 @__const.main.x, i64 72, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  store i32 3, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  store i32 6, ptr %4, align 4, !tbaa !5
  %6 = getelementptr inbounds [18 x float], ptr %2, i64 0, i64 0
  %7 = load i32, ptr %3, align 4, !tbaa !5
  %8 = load i32, ptr %4, align 4, !tbaa !5
  %9 = call i32 @matrixf_print(ptr noundef %6, i32 noundef %7, i32 noundef %8)
  %10 = getelementptr inbounds [18 x float], ptr %2, i64 0, i64 0
  %11 = load i32, ptr %3, align 4, !tbaa !5
  %12 = load i32, ptr %4, align 4, !tbaa !5
  call void @matrixf_pivot2(ptr noundef %10, i32 noundef %11, i32 noundef %12, i32 noundef 1, i32 noundef 1)
  %13 = getelementptr inbounds [18 x float], ptr %2, i64 0, i64 0
  %14 = load i32, ptr %3, align 4, !tbaa !5
  %15 = load i32, ptr %4, align 4, !tbaa !5
  %16 = call i32 @matrixf_print(ptr noundef %13, i32 noundef %14, i32 noundef %15)
  %17 = getelementptr inbounds [18 x float], ptr %2, i64 0, i64 0
  %18 = load i32, ptr %3, align 4, !tbaa !5
  %19 = load i32, ptr %4, align 4, !tbaa !5
  call void @matrixf_pivot2(ptr noundef %17, i32 noundef %18, i32 noundef %19, i32 noundef 2, i32 noundef 2)
  %20 = getelementptr inbounds [18 x float], ptr %2, i64 0, i64 0
  %21 = load i32, ptr %3, align 4, !tbaa !5
  %22 = load i32, ptr %4, align 4, !tbaa !5
  %23 = call i32 @matrixf_print(ptr noundef %20, i32 noundef %21, i32 noundef %22)
  %24 = call i32 (ptr, ...) @printf(ptr noundef @.str)
  %25 = load i32, ptr %4, align 4, !tbaa !5
  %26 = mul i32 0, %25
  %27 = load i32, ptr %4, align 4, !tbaa !5
  %28 = sub i32 %27, 1
  %29 = add i32 %26, %28
  %30 = zext i32 %29 to i64
  %31 = getelementptr inbounds [18 x float], ptr %2, i64 0, i64 %30
  %32 = load float, ptr %31, align 4, !tbaa !9
  %33 = fpext float %32 to double
  %34 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, double noundef %33)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  store i32 1, ptr %5, align 4, !tbaa !5
  br label %35

35:                                               ; preds = %53, %0
  %36 = load i32, ptr %5, align 4, !tbaa !5
  %37 = load i32, ptr %3, align 4, !tbaa !5
  %38 = icmp ult i32 %36, %37
  br i1 %38, label %39, label %56

39:                                               ; preds = %35
  %40 = load i32, ptr %5, align 4, !tbaa !5
  %41 = sub i32 %40, 1
  %42 = load i32, ptr %5, align 4, !tbaa !5
  %43 = load i32, ptr %4, align 4, !tbaa !5
  %44 = mul i32 %42, %43
  %45 = load i32, ptr %4, align 4, !tbaa !5
  %46 = sub i32 %45, 1
  %47 = add i32 %44, %46
  %48 = zext i32 %47 to i64
  %49 = getelementptr inbounds [18 x float], ptr %2, i64 0, i64 %48
  %50 = load float, ptr %49, align 4, !tbaa !9
  %51 = fpext float %50 to double
  %52 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %41, double noundef %51)
  br label %53

53:                                               ; preds = %39
  %54 = load i32, ptr %5, align 4, !tbaa !5
  %55 = add i32 %54, 1
  store i32 %55, ptr %5, align 4, !tbaa !5
  br label %35, !llvm.loop !11

56:                                               ; preds = %35
  %57 = call i32 (ptr, ...) @printf(ptr noundef @.str.3)
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  call void @llvm.lifetime.end.p0(i64 72, ptr %2) #4
  ret i32 0
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

declare i32 @matrixf_print(ptr noundef, i32 noundef, i32 noundef) #3

declare i32 @printf(ptr noundef, ...) #3

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 nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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"}
!9 = !{!10, !10, i64 0}
!10 = !{!"float", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

@__const.main.x = external hidden unnamed_addr constant [18 x float], align 16
@.str = external hidden unnamed_addr constant [11 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [16 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [7 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local void @matrixf_pivot2(ptr noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

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

; Function Attrs: mustprogress 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 noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca [18 x float], align 16
  call void @llvm.lifetime.start.p0(i64 72, ptr nonnull %1) #5
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 16 dereferenceable(72) %1, ptr noundef nonnull align 16 dereferenceable(72) @__const.main.x, i64 72, i1 false)
  %2 = call i32 @matrixf_print(ptr noundef nonnull %1, i32 noundef 3, i32 noundef 6) #5
  call void @matrixf_pivot2(ptr noundef nonnull %1, i32 noundef 3, i32 noundef 6, i32 noundef 1, i32 noundef 1)
  %3 = call i32 @matrixf_print(ptr noundef nonnull %1, i32 noundef 3, i32 noundef 6) #5
  call void @matrixf_pivot2(ptr noundef nonnull %1, i32 noundef 3, i32 noundef 6, i32 noundef 2, i32 noundef 2)
  %4 = call i32 @matrixf_print(ptr noundef nonnull %1, i32 noundef 3, i32 noundef 6) #5
  %5 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str)
  %6 = getelementptr inbounds i8, ptr %1, i64 20
  %7 = load float, ptr %6, align 4, !tbaa !5
  %8 = fpext float %7 to double
  %9 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, double noundef %8)
  %10 = getelementptr inbounds i8, ptr %1, i64 44
  %11 = load float, ptr %10, align 4, !tbaa !5
  %12 = fpext float %11 to double
  %13 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef 0, double noundef %12)
  %14 = getelementptr inbounds i8, ptr %1, i64 68
  %15 = load float, ptr %14, align 4, !tbaa !5
  %16 = fpext float %15 to double
  %17 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef 1, double noundef %16)
  %18 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3)
  call void @llvm.lifetime.end.p0(i64 72, ptr nonnull %1) #5
  ret i32 0
}

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

declare i32 @matrixf_print(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #3

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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 = { 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 #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 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass