; LLVM IR from chrr/libECP :: src (gc_integrators)

; 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"

; 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: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #1

; Function Attrs: nounwind
declare double @sqrt(double noundef) #2

; Function Attrs: nounwind uwtable
define dso_local void @transformGrid_FM06(i32 noundef %0, ptr noundef %1, ptr noundef %2, double noundef %3, double noundef %4) #3 {
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca double, align 8
  %10 = alloca double, align 8
  %11 = alloca double, align 8
  %12 = alloca double, align 8
  %13 = alloca double, align 8
  %14 = alloca double, align 8
  %15 = alloca double, align 8
  %16 = alloca double, align 8
  %17 = alloca i32, align 4
  store i32 %0, ptr %6, align 4, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !9
  store ptr %2, ptr %8, align 8, !tbaa !9
  store double %3, ptr %9, align 8, !tbaa !11
  store double %4, ptr %10, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #4
  %18 = load double, ptr %9, align 8, !tbaa !11
  %19 = call double @sqrt(double noundef %18) #4
  %20 = fdiv double 1.000000e+00, %19
  store double %20, ptr %11, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #4
  %21 = load double, ptr %10, align 8, !tbaa !11
  %22 = load double, ptr %11, align 8, !tbaa !11
  %23 = call double @llvm.fmuladd.f64(double -7.000000e+00, double %22, double %21)
  store double %23, ptr %12, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  %24 = load double, ptr %12, align 8, !tbaa !11
  %25 = fcmp ogt double %24, 0.000000e+00
  br i1 %25, label %26, label %28

26:                                               ; preds = %5
  %27 = load double, ptr %12, align 8, !tbaa !11
  br label %29

28:                                               ; preds = %5
  br label %29

29:                                               ; preds = %28, %26
  %30 = phi double [ %27, %26 ], [ 0.000000e+00, %28 ]
  store double %30, ptr %13, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #4
  %31 = load double, ptr %10, align 8, !tbaa !11
  %32 = load double, ptr %11, align 8, !tbaa !11
  %33 = call double @llvm.fmuladd.f64(double 9.000000e+00, double %32, double %31)
  store double %33, ptr %14, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #4
  %34 = load double, ptr %14, align 8, !tbaa !11
  %35 = load double, ptr %13, align 8, !tbaa !11
  %36 = fsub double %34, %35
  %37 = fmul double 5.000000e-01, %36
  store double %37, ptr %15, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #4
  %38 = load double, ptr %14, align 8, !tbaa !11
  %39 = load double, ptr %13, align 8, !tbaa !11
  %40 = fadd double %38, %39
  %41 = fmul double 5.000000e-01, %40
  store double %41, ptr %16, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #4
  store i32 0, ptr %17, align 4, !tbaa !5
  br label %42

42:                                               ; preds = %66, %29
  %43 = load i32, ptr %17, align 4, !tbaa !5
  %44 = load i32, ptr %6, align 4, !tbaa !5
  %45 = icmp slt i32 %43, %44
  br i1 %45, label %46, label %69

46:                                               ; preds = %42
  %47 = load double, ptr %15, align 8, !tbaa !11
  %48 = load ptr, ptr %7, align 8, !tbaa !9
  %49 = load i32, ptr %17, align 4, !tbaa !5
  %50 = sext i32 %49 to i64
  %51 = getelementptr inbounds double, ptr %48, i64 %50
  %52 = load double, ptr %51, align 8, !tbaa !11
  %53 = load double, ptr %16, align 8, !tbaa !11
  %54 = call double @llvm.fmuladd.f64(double %47, double %52, double %53)
  %55 = load ptr, ptr %7, align 8, !tbaa !9
  %56 = load i32, ptr %17, align 4, !tbaa !5
  %57 = sext i32 %56 to i64
  %58 = getelementptr inbounds double, ptr %55, i64 %57
  store double %54, ptr %58, align 8, !tbaa !11
  %59 = load double, ptr %15, align 8, !tbaa !11
  %60 = load ptr, ptr %8, align 8, !tbaa !9
  %61 = load i32, ptr %17, align 4, !tbaa !5
  %62 = sext i32 %61 to i64
  %63 = getelementptr inbounds double, ptr %60, i64 %62
  %64 = load double, ptr %63, align 8, !tbaa !11
  %65 = fmul double %64, %59
  store double %65, ptr %63, align 8, !tbaa !11
  br label %66

66:                                               ; preds = %46
  %67 = load i32, ptr %17, align 4, !tbaa !5
  %68 = add nsw i32 %67, 1
  store i32 %68, ptr %17, align 4, !tbaa !5
  br label %42, !llvm.loop !13

69:                                               ; preds = %42
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #2 = { 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 #3 = { 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 #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 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"double", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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"

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare double @llvm.fmuladd.f64(double, double, double) #0

; Function Attrs: mustprogress nofree nounwind willreturn memory(write)
declare double @sqrt(double noundef) local_unnamed_addr #1

; Function Attrs: nofree nounwind memory(write, argmem: readwrite) uwtable
define dso_local void @transformGrid_FM06(i32 noundef %0, ptr nocapture noundef %1, ptr nocapture noundef %2, double noundef %3, double noundef %4) local_unnamed_addr #2 {
  %6 = tail call double @sqrt(double noundef %3) #4
  %7 = fdiv double 1.000000e+00, %6
  %8 = tail call double @llvm.fmuladd.f64(double %7, double -7.000000e+00, double %4)
  %9 = fcmp ogt double %8, 0.000000e+00
  %10 = select i1 %9, double %8, double 0.000000e+00
  %11 = tail call double @llvm.fmuladd.f64(double %7, double 9.000000e+00, double %4)
  %12 = fsub double %11, %10
  %13 = fmul double %12, 5.000000e-01
  %14 = fadd double %11, %10
  %15 = fmul double %14, 5.000000e-01
  %16 = icmp sgt i32 %0, 0
  br i1 %16, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %5
  %wide.trip.count = zext nneg i32 %0 to i64
  %min.iters.check = icmp ult i32 %0, 4
  br i1 %min.iters.check, label %.lr.ph.preheader28, label %vector.memcheck

vector.memcheck:                                  ; preds = %.lr.ph.preheader
  %17 = shl nuw nsw i64 %wide.trip.count, 3
  %scevgep = getelementptr i8, ptr %1, i64 %17
  %scevgep24 = getelementptr i8, ptr %2, i64 %17
  %bound0 = icmp ugt ptr %scevgep24, %1
  %bound1 = icmp ugt ptr %scevgep, %2
  %found.conflict = and i1 %bound0, %bound1
  br i1 %found.conflict, label %.lr.ph.preheader28, label %vector.ph

vector.ph:                                        ; preds = %vector.memcheck
  %n.vec = and i64 %wide.trip.count, 2147483646
  %broadcast.splatinsert = insertelement <2 x double> poison, double %13, i64 0
  %broadcast.splat = shufflevector <2 x double> %broadcast.splatinsert, <2 x double> poison, <2 x i32> zeroinitializer
  %broadcast.splatinsert25 = insertelement <2 x double> poison, double %15, i64 0
  %broadcast.splat26 = shufflevector <2 x double> %broadcast.splatinsert25, <2 x double> poison, <2 x i32> zeroinitializer
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
  %18 = getelementptr inbounds double, ptr %1, i64 %index
  %wide.load = load <2 x double>, ptr %18, align 8, !tbaa !5, !alias.scope !9, !noalias !12
  %19 = tail call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %broadcast.splat, <2 x double> %wide.load, <2 x double> %broadcast.splat26)
  store <2 x double> %19, ptr %18, align 8, !tbaa !5, !alias.scope !9, !noalias !12
  %20 = getelementptr inbounds double, ptr %2, i64 %index
  %wide.load27 = load <2 x double>, ptr %20, align 8, !tbaa !5, !alias.scope !12
  %21 = fmul <2 x double> %broadcast.splat, %wide.load27
  store <2 x double> %21, ptr %20, align 8, !tbaa !5, !alias.scope !12
  %index.next = add nuw i64 %index, 2
  %22 = icmp eq i64 %index.next, %n.vec
  br i1 %22, label %middle.block, label %vector.body, !llvm.loop !14

middle.block:                                     ; preds = %vector.body
  %cmp.n = icmp eq i64 %n.vec, %wide.trip.count
  br i1 %cmp.n, label %._crit_edge, label %.lr.ph.preheader28

.lr.ph.preheader28:                               ; preds = %middle.block, %vector.memcheck, %.lr.ph.preheader
  %indvars.iv.ph = phi i64 [ 0, %vector.memcheck ], [ 0, %.lr.ph.preheader ], [ %n.vec, %middle.block ]
  %xtraiter = and i64 %wide.trip.count, 1
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %.lr.ph.prol.loopexit, label %.lr.ph.prol

.lr.ph.prol:                                      ; preds = %.lr.ph.preheader28
  %23 = getelementptr inbounds double, ptr %1, i64 %indvars.iv.ph
  %24 = load double, ptr %23, align 8, !tbaa !5
  %25 = tail call double @llvm.fmuladd.f64(double %13, double %24, double %15)
  store double %25, ptr %23, align 8, !tbaa !5
  %26 = getelementptr inbounds double, ptr %2, i64 %indvars.iv.ph
  %27 = load double, ptr %26, align 8, !tbaa !5
  %28 = fmul double %13, %27
  store double %28, ptr %26, align 8, !tbaa !5
  %indvars.iv.next.prol = or disjoint i64 %indvars.iv.ph, 1
  br label %.lr.ph.prol.loopexit

.lr.ph.prol.loopexit:                             ; preds = %.lr.ph.prol, %.lr.ph.preheader28
  %indvars.iv.unr = phi i64 [ %indvars.iv.ph, %.lr.ph.preheader28 ], [ %indvars.iv.next.prol, %.lr.ph.prol ]
  %29 = add nsw i64 %wide.trip.count, -1
  %30 = icmp eq i64 %indvars.iv.ph, %29
  br i1 %30, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.prol.loopexit, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next.1, %.lr.ph ], [ %indvars.iv.unr, %.lr.ph.prol.loopexit ]
  %31 = getelementptr inbounds double, ptr %1, i64 %indvars.iv
  %32 = load double, ptr %31, align 8, !tbaa !5
  %33 = tail call double @llvm.fmuladd.f64(double %13, double %32, double %15)
  store double %33, ptr %31, align 8, !tbaa !5
  %34 = getelementptr inbounds double, ptr %2, i64 %indvars.iv
  %35 = load double, ptr %34, align 8, !tbaa !5
  %36 = fmul double %13, %35
  store double %36, ptr %34, align 8, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %37 = getelementptr inbounds double, ptr %1, i64 %indvars.iv.next
  %38 = load double, ptr %37, align 8, !tbaa !5
  %39 = tail call double @llvm.fmuladd.f64(double %13, double %38, double %15)
  store double %39, ptr %37, align 8, !tbaa !5
  %40 = getelementptr inbounds double, ptr %2, i64 %indvars.iv.next
  %41 = load double, ptr %40, align 8, !tbaa !5
  %42 = fmul double %13, %41
  store double %42, ptr %40, align 8, !tbaa !5
  %indvars.iv.next.1 = add nuw nsw i64 %indvars.iv, 2
  %exitcond.not.1 = icmp eq i64 %indvars.iv.next.1, %wide.trip.count
  br i1 %exitcond.not.1, label %._crit_edge, label %.lr.ph, !llvm.loop !18

._crit_edge:                                      ; preds = %.lr.ph.prol.loopexit, %.lr.ph, %middle.block, %5
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare <2 x double> @llvm.fmuladd.v2f64(<2 x double>, <2 x double>, <2 x double>) #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { mustprogress nofree nounwind willreturn memory(write) "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 = { nofree nounwind memory(write, argmem: readwrite) 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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10}
!10 = distinct !{!10, !11}
!11 = distinct !{!11, !"LVerDomain"}
!12 = !{!13}
!13 = distinct !{!13, !11}
!14 = distinct !{!14, !15, !16, !17}
!15 = !{!"llvm.loop.mustprogress"}
!16 = !{!"llvm.loop.isvectorized", i32 1}
!17 = !{!"llvm.loop.unroll.runtime.disable"}
!18 = distinct !{!18, !15, !16}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopLoadEliminationPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,LoopVectorizePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass