; LLVM IR from chriskiefer/libcccrt :: benchmarks/maximilian.ll (ZN7maxiOsc3sawEd)

; 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 speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef double @_ZN7maxiOsc3sawEd(ptr noundef nonnull align 8 dereferenceable(48) %0, double noundef %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca double, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store double %1, ptr %4, align 8, !tbaa !9
  %5 = load ptr, ptr %3, align 8
  %6 = getelementptr inbounds %class.maxiOsc, ptr %5, i32 0, i32 1
  %7 = load double, ptr %6, align 8, !tbaa !11
  %8 = getelementptr inbounds %class.maxiOsc, ptr %5, i32 0, i32 4
  store double %7, ptr %8, align 8, !tbaa !13
  %9 = getelementptr inbounds %class.maxiOsc, ptr %5, i32 0, i32 1
  %10 = load double, ptr %9, align 8, !tbaa !11
  %11 = fcmp oge double %10, 1.000000e+00
  br i1 %11, label %12, label %16

12:                                               ; preds = %2
  %13 = getelementptr inbounds %class.maxiOsc, ptr %5, i32 0, i32 1
  %14 = load double, ptr %13, align 8, !tbaa !11
  %15 = fsub double %14, 2.000000e+00
  store double %15, ptr %13, align 8, !tbaa !11
  br label %16

16:                                               ; preds = %12, %2
  %17 = load i64, ptr @_ZN12maxiSettings10sampleRateE, align 8, !tbaa !14
  %18 = uitofp i64 %17 to double
  %19 = load double, ptr %4, align 8, !tbaa !9
  %20 = fdiv double %18, %19
  %21 = fdiv double 1.000000e+00, %20
  %22 = getelementptr inbounds %class.maxiOsc, ptr %5, i32 0, i32 1
  %23 = load double, ptr %22, align 8, !tbaa !11
  %24 = call double @llvm.fmuladd.f64(double %21, double 2.000000e+00, double %23)
  store double %24, ptr %22, align 8, !tbaa !11
  %25 = getelementptr inbounds %class.maxiOsc, ptr %5, i32 0, i32 4
  %26 = load double, ptr %25, align 8, !tbaa !13
  ret double %26
}

attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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" }

!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 = !{!12, !10, i64 32}
!14 = !{!15, !15, i64 0}
!15 = !{!"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 nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #0

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read, argmem: readwrite, inaccessiblemem: none) uwtable
define dso_local noundef double @_ZN7maxiOsc3sawEd(ptr nocapture noundef nonnull align 8 dereferenceable(48) %0, double noundef %1) local_unnamed_addr #1 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = load double, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %0, i64 32
  store double %4, ptr %5, align 8, !tbaa !10
  %6 = fcmp ult double %4, 1.000000e+00
  %7 = fadd double %4, -2.000000e+00
  %8 = select i1 %6, double %4, double %7
  %9 = load i64, ptr @_ZN12maxiSettings10sampleRateE, align 8, !tbaa !11
  %10 = uitofp i64 %9 to double
  %11 = fdiv double %10, %1
  %12 = fdiv double 1.000000e+00, %11
  %13 = tail call double @llvm.fmuladd.f64(double %12, double 2.000000e+00, double %8)
  store double %13, ptr %3, align 8, !tbaa !5
  ret double %4
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { 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 = !{!6, !7, i64 32}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !8, i64 0}


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