llvm-ir 0.11.3

LLVM IR in natural Rust data structures
Documentation 
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; ModuleID = 'loop.c'
source_filename = "loop.c"
target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx12.0.0"

; Function Attrs: argmemonly nofree nounwind ssp uwtable
define void @loop(i32 noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = alloca [10 x i32], align 16
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %3) #3
  call void @llvm.memset.p0.i64(ptr nonnull align 16 %3, i8 0, i64 40, i1 true)
  %4 = add i32 %1, -1
  %5 = icmp ult i32 %4, 10
  br i1 %5, label %6, label %44

6:                                                ; preds = %2
  %7 = add nsw i32 %0, 3
  store volatile i32 %7, ptr %3, align 16, !tbaa !5
  %8 = icmp ult i32 %1, 2
  br i1 %8, label %44, label %9

9:                                                ; preds = %6
  %10 = zext i32 %1 to i64
  %11 = add nsw i64 %10, -1
  %12 = and i64 %11, 1
  %13 = icmp eq i32 %1, 2
  br i1 %13, label %34, label %14

14:                                               ; preds = %9
  %15 = and i64 %11, -2
  br label %16

16:                                               ; preds = %16, %14
  %17 = phi i64 [ 1, %14 ], [ %31, %16 ]
  %18 = phi i64 [ 0, %14 ], [ %32, %16 ]
  %19 = getelementptr inbounds [10 x i32], ptr %3, i64 0, i64 %17
  store volatile i32 %7, ptr %19, align 4, !tbaa !5
  %20 = add nuw i64 %17, 4294967295
  %21 = and i64 %20, 4294967295
  %22 = getelementptr inbounds [10 x i32], ptr %3, i64 0, i64 %21
  %23 = load volatile i32, ptr %22, align 4, !tbaa !5
  %24 = add nsw i32 %23, %1
  store volatile i32 %24, ptr %22, align 4, !tbaa !5
  %25 = add nuw nsw i64 %17, 1
  %26 = getelementptr inbounds [10 x i32], ptr %3, i64 0, i64 %25
  store volatile i32 %7, ptr %26, align 4, !tbaa !5
  %27 = and i64 %17, 4294967295
  %28 = getelementptr inbounds [10 x i32], ptr %3, i64 0, i64 %27
  %29 = load volatile i32, ptr %28, align 4, !tbaa !5
  %30 = add nsw i32 %29, %1
  store volatile i32 %30, ptr %28, align 4, !tbaa !5
  %31 = add nuw nsw i64 %17, 2
  %32 = add i64 %18, 2
  %33 = icmp eq i64 %32, %15
  br i1 %33, label %34, label %16, !llvm.loop !9

34:                                               ; preds = %16, %9
  %35 = phi i64 [ 1, %9 ], [ %31, %16 ]
  %36 = icmp eq i64 %12, 0
  br i1 %36, label %44, label %37

37:                                               ; preds = %34
  %38 = getelementptr inbounds [10 x i32], ptr %3, i64 0, i64 %35
  store volatile i32 %7, ptr %38, align 4, !tbaa !5
  %39 = add nuw i64 %35, 4294967295
  %40 = and i64 %39, 4294967295
  %41 = getelementptr inbounds [10 x i32], ptr %3, i64 0, i64 %40
  %42 = load volatile i32, ptr %41, align 4, !tbaa !5
  %43 = add nsw i32 %42, %1
  store volatile i32 %43, ptr %41, align 4, !tbaa !5
  br label %44

44:                                               ; preds = %37, %34, %6, %2
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %3) #3
  ret void
}

; Function Attrs: argmemonly mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: argmemonly mustprogress nocallback nofree nounwind willreturn writeonly
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

; Function Attrs: argmemonly mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { argmemonly nofree nounwind ssp uwtable "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="penryn" "target-features"="+cx16,+cx8,+fxsr,+mmx,+sahf,+sse,+sse2,+sse3,+sse4.1,+ssse3,+x87" "tune-cpu"="generic" }
attributes #1 = { argmemonly mustprogress nocallback nofree nosync nounwind willreturn }
attributes #2 = { argmemonly mustprogress nocallback nofree nounwind willreturn writeonly }
attributes #3 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 7, !"PIC Level", i32 2}
!2 = !{i32 7, !"uwtable", i32 2}
!3 = !{i32 7, !"frame-pointer", i32 2}
!4 = !{!"Homebrew clang version 15.0.6"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = distinct !{!9, !10, !11}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!"llvm.loop.peeled.count", i32 1}