; LLVM IR from chriskiefer/libcccrt :: benchmarks/maximilian.ll (ZN7maxiOsc7impulseEd)

; 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"

%class.maxiOsc = type { double, double, double, double, double, double }

@_ZN12maxiSettings10sampleRateE = external dso_local global i64, 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: mustprogress nounwind uwtable
define dso_local noundef double @_ZN7maxiOsc7impulseEd(ptr noundef nonnull align 8 dereferenceable(48) %0, double noundef %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca double, align 8
  %5 = alloca double, align 8
  %6 = alloca double, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store double %1, ptr %4, align 8, !tbaa !9
  %7 = load ptr, ptr %3, align 8
  %8 = getelementptr inbounds %class.maxiOsc, ptr %7, i32 0, i32 1
  %9 = load double, ptr %8, align 8, !tbaa !11
  %10 = fcmp oge double %9, 1.000000e+00
  br i1 %10, label %11, label %15

11:                                               ; preds = %2
  %12 = getelementptr inbounds %class.maxiOsc, ptr %7, i32 0, i32 1
  %13 = load double, ptr %12, align 8, !tbaa !11
  %14 = fsub double %13, 1.000000e+00
  store double %14, ptr %12, align 8, !tbaa !11
  br label %15

15:                                               ; preds = %11, %2
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #2
  %16 = load i64, ptr @_ZN12maxiSettings10sampleRateE, align 8, !tbaa !13
  %17 = uitofp i64 %16 to double
  %18 = load double, ptr %4, align 8, !tbaa !9
  %19 = fdiv double %17, %18
  %20 = fdiv double 1.000000e+00, %19
  store double %20, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  %21 = getelementptr inbounds %class.maxiOsc, ptr %7, i32 0, i32 1
  %22 = load double, ptr %21, align 8, !tbaa !11
  %23 = load double, ptr %5, align 8, !tbaa !9
  %24 = fcmp olt double %22, %23
  %25 = zext i1 %24 to i64
  %26 = select i1 %24, double 1.000000e+00, double 0.000000e+00
  store double %26, ptr %6, align 8, !tbaa !9
  %27 = load double, ptr %5, align 8, !tbaa !9
  %28 = getelementptr inbounds %class.maxiOsc, ptr %7, i32 0, i32 1
  %29 = load double, ptr %28, align 8, !tbaa !11
  %30 = fadd double %29, %27
  store double %30, ptr %28, align 8, !tbaa !11
  %31 = load double, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  ret double %31
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 = { 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"double", !7, i64 0}
!11 = !{!12, !10, i64 8}
!12 = !{!"_ZTS7maxiOsc", !10, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !10, i64 40}
!13 = !{!14, !14, i64 0}
!14 = !{!"long", !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"

@_ZN12maxiSettings10sampleRateE = external dso_local local_unnamed_addr global i64, align 8

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read, argmem: readwrite, inaccessiblemem: none) uwtable
define dso_local noundef double @_ZN7maxiOsc7impulseEd(ptr nocapture noundef nonnull align 8 dereferenceable(48) %0, double noundef %1) local_unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = load double, ptr %3, align 8, !tbaa !5
  %5 = fcmp ult double %4, 1.000000e+00
  %6 = fadd double %4, -1.000000e+00
  %7 = select i1 %5, double %4, double %6
  %8 = load i64, ptr @_ZN12maxiSettings10sampleRateE, align 8, !tbaa !10
  %9 = uitofp i64 %8 to double
  %10 = fdiv double %9, %1
  %11 = fdiv double 1.000000e+00, %10
  %12 = fcmp olt double %7, %11
  %13 = select i1 %12, double 1.000000e+00, double 0.000000e+00
  %14 = fadd double %7, %11
  store double %14, ptr %3, align 8, !tbaa !5
  ret double %13
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(read, argmem: readwrite, inaccessiblemem: none) 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, !7, i64 8}
!6 = !{!"_ZTS7maxiOsc", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40}
!7 = !{!"double", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!11, !11, i64 0}
!11 = !{!"long", !8, i64 0}


; Effective O3 passes: DSEPass,EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass