; LLVM IR from microsoft/LightAIMD :: src (thermostat)

; 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.molecule = type { i64, i64, ptr, ptr, ptr, ptr, ptr, ptr, i64, ptr }
%struct.vec3d = type { double, double, double }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local double @calc_temperature(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca double, align 8
  %4 = alloca i64, align 8
  %5 = alloca ptr, align 8
  %6 = alloca double, align 8
  %7 = alloca double, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  store double 0.000000e+00, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  store i64 0, ptr %4, align 8, !tbaa !11
  br label %8

8:                                                ; preds = %52, %1
  %9 = load i64, ptr %4, align 8, !tbaa !11
  %10 = load ptr, ptr %2, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.molecule, ptr %10, i32 0, i32 0
  %12 = load i64, ptr %11, align 8, !tbaa !13
  %13 = icmp ult i64 %9, %12
  br i1 %13, label %15, label %14

14:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  br label %55

15:                                               ; preds = %8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %16 = load ptr, ptr %2, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.molecule, ptr %16, i32 0, i32 5
  %18 = load ptr, ptr %17, align 8, !tbaa !15
  %19 = load i64, ptr %4, align 8, !tbaa !11
  %20 = getelementptr inbounds %struct.vec3d, ptr %18, i64 %19
  store ptr %20, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.vec3d, ptr %21, i32 0, i32 0
  %23 = load double, ptr %22, align 8, !tbaa !16
  %24 = load ptr, ptr %5, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.vec3d, ptr %24, i32 0, i32 0
  %26 = load double, ptr %25, align 8, !tbaa !16
  %27 = load ptr, ptr %5, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.vec3d, ptr %27, i32 0, i32 1
  %29 = load double, ptr %28, align 8, !tbaa !18
  %30 = load ptr, ptr %5, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.vec3d, ptr %30, i32 0, i32 1
  %32 = load double, ptr %31, align 8, !tbaa !18
  %33 = fmul double %29, %32
  %34 = call double @llvm.fmuladd.f64(double %23, double %26, double %33)
  %35 = load ptr, ptr %5, align 8, !tbaa !5
  %36 = getelementptr inbounds %struct.vec3d, ptr %35, i32 0, i32 2
  %37 = load double, ptr %36, align 8, !tbaa !19
  %38 = load ptr, ptr %5, align 8, !tbaa !5
  %39 = getelementptr inbounds %struct.vec3d, ptr %38, i32 0, i32 2
  %40 = load double, ptr %39, align 8, !tbaa !19
  %41 = call double @llvm.fmuladd.f64(double %37, double %40, double %34)
  store double %41, ptr %6, align 8, !tbaa !9
  %42 = load ptr, ptr %2, align 8, !tbaa !5
  %43 = getelementptr inbounds %struct.molecule, ptr %42, i32 0, i32 3
  %44 = load ptr, ptr %43, align 8, !tbaa !20
  %45 = load i64, ptr %4, align 8, !tbaa !11
  %46 = getelementptr inbounds double, ptr %44, i64 %45
  %47 = load double, ptr %46, align 8, !tbaa !9
  %48 = fmul double 5.000000e-01, %47
  %49 = load double, ptr %6, align 8, !tbaa !9
  %50 = load double, ptr %3, align 8, !tbaa !9
  %51 = call double @llvm.fmuladd.f64(double %48, double %49, double %50)
  store double %51, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  br label %52

52:                                               ; preds = %15
  %53 = load i64, ptr %4, align 8, !tbaa !11
  %54 = add i64 %53, 1
  store i64 %54, ptr %4, align 8, !tbaa !11
  br label %8, !llvm.loop !21

55:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %56 = load double, ptr %3, align 8, !tbaa !9
  %57 = fmul double %56, 0x3C541B13FD8AEEBE
  %58 = load ptr, ptr %2, align 8, !tbaa !5
  %59 = getelementptr inbounds %struct.molecule, ptr %58, i32 0, i32 0
  %60 = load i64, ptr %59, align 8, !tbaa !13
  %61 = uitofp i64 %60 to double
  %62 = fmul double 1.500000e+00, %61
  %63 = fdiv double %57, %62
  %64 = fdiv double %63, 0x3B30B0E6D55E647C
  store double %64, ptr %7, align 8, !tbaa !9
  %65 = load double, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  ret double %65
}

; 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) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #3 = { 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 = !{!"double", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!14, !12, i64 0}
!14 = !{!"molecule", !12, i64 0, !12, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56, !12, i64 64, !6, i64 72}
!15 = !{!14, !6, i64 40}
!16 = !{!17, !10, i64 0}
!17 = !{!"vec3d", !10, i64 0, !10, i64 8, !10, i64 16}
!18 = !{!17, !10, i64 8}
!19 = !{!17, !10, i64 16}
!20 = !{!14, !6, i64 24}
!21 = distinct !{!21, !22}
!22 = !{!"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"

%struct.vec3d = type { double, double, double }

; Function Attrs: nofree norecurse nosync nounwind memory(read, inaccessiblemem: none) uwtable
define dso_local double @calc_temperature(ptr nocapture noundef readonly %0) local_unnamed_addr #0 {
  %2 = load i64, ptr %0, align 8, !tbaa !5
  %.not = icmp eq i64 %2, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %1
  %3 = getelementptr inbounds i8, ptr %0, i64 40
  %4 = load ptr, ptr %3, align 8, !tbaa !11
  %5 = getelementptr inbounds i8, ptr %0, i64 24
  %6 = load ptr, ptr %5, align 8, !tbaa !12
  br label %12

._crit_edge.loopexit:                             ; preds = %12
  %7 = fmul double %25, 0x3C541B13FD8AEEBE
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %1
  %.0.lcssa = phi double [ 0.000000e+00, %1 ], [ %7, %._crit_edge.loopexit ]
  %8 = uitofp i64 %2 to double
  %9 = fmul double %8, 1.500000e+00
  %10 = fdiv double %.0.lcssa, %9
  %11 = fdiv double %10, 0x3B30B0E6D55E647C
  ret double %11

12:                                               ; preds = %.lr.ph, %12
  %.020 = phi double [ 0.000000e+00, %.lr.ph ], [ %25, %12 ]
  %.01719 = phi i64 [ 0, %.lr.ph ], [ %26, %12 ]
  %13 = getelementptr inbounds %struct.vec3d, ptr %4, i64 %.01719
  %14 = load double, ptr %13, align 8, !tbaa !13
  %15 = getelementptr inbounds i8, ptr %13, i64 8
  %16 = load double, ptr %15, align 8, !tbaa !16
  %17 = fmul double %16, %16
  %18 = tail call double @llvm.fmuladd.f64(double %14, double %14, double %17)
  %19 = getelementptr inbounds i8, ptr %13, i64 16
  %20 = load double, ptr %19, align 8, !tbaa !17
  %21 = tail call double @llvm.fmuladd.f64(double %20, double %20, double %18)
  %22 = getelementptr inbounds double, ptr %6, i64 %.01719
  %23 = load double, ptr %22, align 8, !tbaa !18
  %24 = fmul double %23, 5.000000e-01
  %25 = tail call double @llvm.fmuladd.f64(double %24, double %21, double %.020)
  %26 = add nuw i64 %.01719, 1
  %exitcond.not = icmp eq i64 %26, %2
  br i1 %exitcond.not, label %._crit_edge.loopexit, label %12, !llvm.loop !19
}

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

attributes #0 = { nofree norecurse nosync nounwind memory(read, 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" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!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 0}
!6 = !{!"molecule", !7, i64 0, !7, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !10, i64 40, !10, i64 48, !10, i64 56, !7, i64 64, !10, i64 72}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 40}
!12 = !{!6, !10, i64 24}
!13 = !{!14, !15, i64 0}
!14 = !{!"vec3d", !15, i64 0, !15, i64 8, !15, i64 16}
!15 = !{!"double", !8, i64 0}
!16 = !{!14, !15, i64 8}
!17 = !{!14, !15, i64 16}
!18 = !{!15, !15, i64 0}
!19 = distinct !{!19, !20}
!20 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass