; LLVM IR from ddemidov/amgcl :: tests/test_qr.ll (ZN7test_qr13test_qr_solve11test_methodEv)

; 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"

@__const._ZN7test_qr13test_qr_solve11test_methodEv.shape = external hidden unnamed_addr constant [4 x [2 x i32]], align 16

; 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 nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7test_qr13test_qr_solve11test_methodEv(ptr noundef nonnull align 1 dereferenceable(1) %0) #2 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca [4 x [2 x i32]], align 16
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %6 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr %3) #3
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %3, ptr align 16 @__const._ZN7test_qr13test_qr_solve11test_methodEv.shape, i64 32, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  store i32 4, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %7

7:                                                ; preds = %72, %1
  %8 = load i32, ptr %5, align 4, !tbaa !9
  %9 = icmp slt i32 %8, 4
  br i1 %9, label %11, label %10

10:                                               ; preds = %7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  br label %75

11:                                               ; preds = %7
  %12 = load i32, ptr %5, align 4, !tbaa !9
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds [4 x [2 x i32]], ptr %3, i64 0, i64 %13
  %15 = getelementptr inbounds [2 x i32], ptr %14, i64 0, i64 0
  %16 = load i32, ptr %15, align 8, !tbaa !9
  %17 = load i32, ptr %5, align 4, !tbaa !9
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds [4 x [2 x i32]], ptr %3, i64 0, i64 %18
  %20 = getelementptr inbounds [2 x i32], ptr %19, i64 0, i64 1
  %21 = load i32, ptr %20, align 4, !tbaa !9
  call void @_Z8qr_solveIdLN5amgcl6detail13storage_orderE0EEvii(i32 noundef %16, i32 noundef %21)
  %22 = load i32, ptr %5, align 4, !tbaa !9
  %23 = sext i32 %22 to i64
  %24 = getelementptr inbounds [4 x [2 x i32]], ptr %3, i64 0, i64 %23
  %25 = getelementptr inbounds [2 x i32], ptr %24, i64 0, i64 0
  %26 = load i32, ptr %25, align 8, !tbaa !9
  %27 = load i32, ptr %5, align 4, !tbaa !9
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds [4 x [2 x i32]], ptr %3, i64 0, i64 %28
  %30 = getelementptr inbounds [2 x i32], ptr %29, i64 0, i64 1
  %31 = load i32, ptr %30, align 4, !tbaa !9
  call void @_Z8qr_solveIdLN5amgcl6detail13storage_orderE1EEvii(i32 noundef %26, i32 noundef %31)
  %32 = load i32, ptr %5, align 4, !tbaa !9
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds [4 x [2 x i32]], ptr %3, i64 0, i64 %33
  %35 = getelementptr inbounds [2 x i32], ptr %34, i64 0, i64 0
  %36 = load i32, ptr %35, align 8, !tbaa !9
  %37 = load i32, ptr %5, align 4, !tbaa !9
  %38 = sext i32 %37 to i64
  %39 = getelementptr inbounds [4 x [2 x i32]], ptr %3, i64 0, i64 %38
  %40 = getelementptr inbounds [2 x i32], ptr %39, i64 0, i64 1
  %41 = load i32, ptr %40, align 4, !tbaa !9
  call void @_Z8qr_solveISt7complexIdELN5amgcl6detail13storage_orderE0EEvii(i32 noundef %36, i32 noundef %41)
  %42 = load i32, ptr %5, align 4, !tbaa !9
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds [4 x [2 x i32]], ptr %3, i64 0, i64 %43
  %45 = getelementptr inbounds [2 x i32], ptr %44, i64 0, i64 0
  %46 = load i32, ptr %45, align 8, !tbaa !9
  %47 = load i32, ptr %5, align 4, !tbaa !9
  %48 = sext i32 %47 to i64
  %49 = getelementptr inbounds [4 x [2 x i32]], ptr %3, i64 0, i64 %48
  %50 = getelementptr inbounds [2 x i32], ptr %49, i64 0, i64 1
  %51 = load i32, ptr %50, align 4, !tbaa !9
  call void @_Z8qr_solveISt7complexIdELN5amgcl6detail13storage_orderE1EEvii(i32 noundef %46, i32 noundef %51)
  %52 = load i32, ptr %5, align 4, !tbaa !9
  %53 = sext i32 %52 to i64
  %54 = getelementptr inbounds [4 x [2 x i32]], ptr %3, i64 0, i64 %53
  %55 = getelementptr inbounds [2 x i32], ptr %54, i64 0, i64 0
  %56 = load i32, ptr %55, align 8, !tbaa !9
  %57 = load i32, ptr %5, align 4, !tbaa !9
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds [4 x [2 x i32]], ptr %3, i64 0, i64 %58
  %60 = getelementptr inbounds [2 x i32], ptr %59, i64 0, i64 1
  %61 = load i32, ptr %60, align 4, !tbaa !9
  call void @_Z8qr_solveIN5amgcl13static_matrixIdLi2ELi2EEELNS0_6detail13storage_orderE0EEvii(i32 noundef %56, i32 noundef %61)
  %62 = load i32, ptr %5, align 4, !tbaa !9
  %63 = sext i32 %62 to i64
  %64 = getelementptr inbounds [4 x [2 x i32]], ptr %3, i64 0, i64 %63
  %65 = getelementptr inbounds [2 x i32], ptr %64, i64 0, i64 0
  %66 = load i32, ptr %65, align 8, !tbaa !9
  %67 = load i32, ptr %5, align 4, !tbaa !9
  %68 = sext i32 %67 to i64
  %69 = getelementptr inbounds [4 x [2 x i32]], ptr %3, i64 0, i64 %68
  %70 = getelementptr inbounds [2 x i32], ptr %69, i64 0, i64 1
  %71 = load i32, ptr %70, align 4, !tbaa !9
  call void @_Z8qr_solveIN5amgcl13static_matrixIdLi2ELi2EEELNS0_6detail13storage_orderE1EEvii(i32 noundef %66, i32 noundef %71)
  br label %72

72:                                               ; preds = %11
  %73 = load i32, ptr %5, align 4, !tbaa !9
  %74 = add nsw i32 %73, 1
  store i32 %74, ptr %5, align 4, !tbaa !9
  br label %7, !llvm.loop !11

75:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #3
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z8qr_solveIdLN5amgcl6detail13storage_orderE0EEvii(i32 noundef, i32 noundef) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z8qr_solveIdLN5amgcl6detail13storage_orderE1EEvii(i32 noundef, i32 noundef) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z8qr_solveISt7complexIdELN5amgcl6detail13storage_orderE0EEvii(i32 noundef, i32 noundef) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z8qr_solveISt7complexIdELN5amgcl6detail13storage_orderE1EEvii(i32 noundef, i32 noundef) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z8qr_solveIN5amgcl13static_matrixIdLi2ELi2EEELNS0_6detail13storage_orderE0EEvii(i32 noundef, i32 noundef) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z8qr_solveIN5amgcl13static_matrixIdLi2ELi2EEELNS0_6detail13storage_orderE1EEvii(i32 noundef, i32 noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress 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 = { 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 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

@__const._ZN7test_qr13test_qr_solve11test_methodEv.shape = external hidden unnamed_addr constant [4 x [2 x i32]], align 16

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7test_qr13test_qr_solve11test_methodEv(ptr nocapture noundef nonnull readnone align 1 dereferenceable(1) %0) local_unnamed_addr #0 align 2 {
  %2 = load i32, ptr @__const._ZN7test_qr13test_qr_solve11test_methodEv.shape, align 16, !tbaa !5
  %3 = load i32, ptr getelementptr inbounds (i8, ptr @__const._ZN7test_qr13test_qr_solve11test_methodEv.shape, i64 4), align 4, !tbaa !5
  tail call void @_Z8qr_solveIdLN5amgcl6detail13storage_orderE0EEvii(i32 noundef %2, i32 noundef %3)
  tail call void @_Z8qr_solveIdLN5amgcl6detail13storage_orderE1EEvii(i32 noundef %2, i32 noundef %3)
  tail call void @_Z8qr_solveISt7complexIdELN5amgcl6detail13storage_orderE0EEvii(i32 noundef %2, i32 noundef %3)
  tail call void @_Z8qr_solveISt7complexIdELN5amgcl6detail13storage_orderE1EEvii(i32 noundef %2, i32 noundef %3)
  tail call void @_Z8qr_solveIN5amgcl13static_matrixIdLi2ELi2EEELNS0_6detail13storage_orderE0EEvii(i32 noundef %2, i32 noundef %3)
  tail call void @_Z8qr_solveIN5amgcl13static_matrixIdLi2ELi2EEELNS0_6detail13storage_orderE1EEvii(i32 noundef %2, i32 noundef %3)
  %4 = load i32, ptr getelementptr inbounds (i8, ptr @__const._ZN7test_qr13test_qr_solve11test_methodEv.shape, i64 8), align 8, !tbaa !5
  %5 = load i32, ptr getelementptr inbounds (i8, ptr @__const._ZN7test_qr13test_qr_solve11test_methodEv.shape, i64 12), align 4, !tbaa !5
  tail call void @_Z8qr_solveIdLN5amgcl6detail13storage_orderE0EEvii(i32 noundef %4, i32 noundef %5)
  tail call void @_Z8qr_solveIdLN5amgcl6detail13storage_orderE1EEvii(i32 noundef %4, i32 noundef %5)
  tail call void @_Z8qr_solveISt7complexIdELN5amgcl6detail13storage_orderE0EEvii(i32 noundef %4, i32 noundef %5)
  tail call void @_Z8qr_solveISt7complexIdELN5amgcl6detail13storage_orderE1EEvii(i32 noundef %4, i32 noundef %5)
  tail call void @_Z8qr_solveIN5amgcl13static_matrixIdLi2ELi2EEELNS0_6detail13storage_orderE0EEvii(i32 noundef %4, i32 noundef %5)
  tail call void @_Z8qr_solveIN5amgcl13static_matrixIdLi2ELi2EEELNS0_6detail13storage_orderE1EEvii(i32 noundef %4, i32 noundef %5)
  %6 = load i32, ptr getelementptr inbounds (i8, ptr @__const._ZN7test_qr13test_qr_solve11test_methodEv.shape, i64 16), align 16, !tbaa !5
  %7 = load i32, ptr getelementptr inbounds (i8, ptr @__const._ZN7test_qr13test_qr_solve11test_methodEv.shape, i64 20), align 4, !tbaa !5
  tail call void @_Z8qr_solveIdLN5amgcl6detail13storage_orderE0EEvii(i32 noundef %6, i32 noundef %7)
  tail call void @_Z8qr_solveIdLN5amgcl6detail13storage_orderE1EEvii(i32 noundef %6, i32 noundef %7)
  tail call void @_Z8qr_solveISt7complexIdELN5amgcl6detail13storage_orderE0EEvii(i32 noundef %6, i32 noundef %7)
  tail call void @_Z8qr_solveISt7complexIdELN5amgcl6detail13storage_orderE1EEvii(i32 noundef %6, i32 noundef %7)
  tail call void @_Z8qr_solveIN5amgcl13static_matrixIdLi2ELi2EEELNS0_6detail13storage_orderE0EEvii(i32 noundef %6, i32 noundef %7)
  tail call void @_Z8qr_solveIN5amgcl13static_matrixIdLi2ELi2EEELNS0_6detail13storage_orderE1EEvii(i32 noundef %6, i32 noundef %7)
  %8 = load i32, ptr getelementptr inbounds (i8, ptr @__const._ZN7test_qr13test_qr_solve11test_methodEv.shape, i64 24), align 8, !tbaa !5
  %9 = load i32, ptr getelementptr inbounds (i8, ptr @__const._ZN7test_qr13test_qr_solve11test_methodEv.shape, i64 28), align 4, !tbaa !5
  tail call void @_Z8qr_solveIdLN5amgcl6detail13storage_orderE0EEvii(i32 noundef %8, i32 noundef %9)
  tail call void @_Z8qr_solveIdLN5amgcl6detail13storage_orderE1EEvii(i32 noundef %8, i32 noundef %9)
  tail call void @_Z8qr_solveISt7complexIdELN5amgcl6detail13storage_orderE0EEvii(i32 noundef %8, i32 noundef %9)
  tail call void @_Z8qr_solveISt7complexIdELN5amgcl6detail13storage_orderE1EEvii(i32 noundef %8, i32 noundef %9)
  tail call void @_Z8qr_solveIN5amgcl13static_matrixIdLi2ELi2EEELNS0_6detail13storage_orderE0EEvii(i32 noundef %8, i32 noundef %9)
  tail call void @_Z8qr_solveIN5amgcl13static_matrixIdLi2ELi2EEELNS0_6detail13storage_orderE1EEvii(i32 noundef %8, i32 noundef %9)
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z8qr_solveIdLN5amgcl6detail13storage_orderE0EEvii(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z8qr_solveIdLN5amgcl6detail13storage_orderE1EEvii(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z8qr_solveISt7complexIdELN5amgcl6detail13storage_orderE0EEvii(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z8qr_solveISt7complexIdELN5amgcl6detail13storage_orderE1EEvii(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z8qr_solveIN5amgcl13static_matrixIdLi2ELi2EEELNS0_6detail13storage_orderE0EEvii(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z8qr_solveIN5amgcl13static_matrixIdLi2ELi2EEELNS0_6detail13storage_orderE1EEvii(i32 noundef, i32 noundef) local_unnamed_addr #0

attributes #0 = { mustprogress 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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