; LLVM IR from HRI-EU/Rcs :: src/RcsCore (Rcs_HTr)

; 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.HTr = type { [3 x double], [3 x [3 x double]] }

; 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: nounwind uwtable
define dso_local zeroext i1 @HTr_isIdentity(ptr noundef %0) #1 {
  %2 = alloca i1, align 1
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %6

6:                                                ; preds = %19, %1
  %7 = load i32, ptr %4, align 4, !tbaa !9
  %8 = icmp slt i32 %7, 3
  br i1 %8, label %9, label %22

9:                                                ; preds = %6
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.HTr, ptr %10, i32 0, i32 0
  %12 = load i32, ptr %4, align 4, !tbaa !9
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds [3 x double], ptr %11, i64 0, i64 %13
  %15 = load double, ptr %14, align 8, !tbaa !11
  %16 = fcmp une double %15, 0.000000e+00
  br i1 %16, label %17, label %18

17:                                               ; preds = %9
  store i1 false, ptr %2, align 1
  store i32 1, ptr %5, align 4
  br label %27

18:                                               ; preds = %9
  br label %19

19:                                               ; preds = %18
  %20 = load i32, ptr %4, align 4, !tbaa !9
  %21 = add nsw i32 %20, 1
  store i32 %21, ptr %4, align 4, !tbaa !9
  br label %6, !llvm.loop !13

22:                                               ; preds = %6
  %23 = load ptr, ptr %3, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.HTr, ptr %23, i32 0, i32 1
  %25 = getelementptr inbounds [3 x [3 x double]], ptr %24, i64 0, i64 0
  %26 = call zeroext i1 @Mat3d_isIdentity(ptr noundef %25)
  store i1 %26, ptr %2, align 1
  store i32 1, ptr %5, align 4
  br label %27

27:                                               ; preds = %22, %17
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  %28 = load i1, ptr %2, align 1
  ret i1 %28
}

declare zeroext i1 @Mat3d_isIdentity(ptr noundef) #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 = { "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 }

!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 = !{!"int", !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: nounwind uwtable
define dso_local zeroext i1 @HTr_isIdentity(ptr noundef %0) local_unnamed_addr #0 {
  %2 = load double, ptr %0, align 8, !tbaa !5
  %3 = fcmp une double %2, 0.000000e+00
  br i1 %3, label %.loopexit, label %4

4:                                                ; preds = %1
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  %6 = load double, ptr %5, align 8, !tbaa !5
  %7 = fcmp une double %6, 0.000000e+00
  br i1 %7, label %.loopexit, label %8

8:                                                ; preds = %4
  %9 = getelementptr inbounds i8, ptr %0, i64 16
  %10 = load double, ptr %9, align 8, !tbaa !5
  %11 = fcmp une double %10, 0.000000e+00
  br i1 %11, label %.loopexit, label %12

12:                                               ; preds = %8
  %13 = getelementptr inbounds i8, ptr %0, i64 24
  %14 = tail call zeroext i1 @Mat3d_isIdentity(ptr noundef nonnull %13) #2
  br label %.loopexit

.loopexit:                                        ; preds = %1, %4, %8, %12
  %.05 = phi i1 [ %14, %12 ], [ false, %8 ], [ false, %4 ], [ false, %1 ]
  ret i1 %.05
}

declare zeroext i1 @Mat3d_isIdentity(ptr noundef) local_unnamed_addr #1

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 = { "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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,SROAPass,SimplifyCFGPass,TailCallElimPass