llvm-ir 0.8.2

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-macosx11.0.0"

; Function Attrs: nofree nounwind ssp uwtable
define void @loop(i32 %0, i32 %1) local_unnamed_addr #0 {
  %3 = alloca [10 x i32], align 16
  %4 = bitcast [10 x i32]* %3 to i8*
  call void @llvm.lifetime.start.p0i8(i64 40, i8* nonnull %4) #3
  call void @llvm.memset.p0i8.i64(i8* nonnull align 16 %4, i8 0, i64 40, i1 true)
  %5 = icmp slt i32 %1, 11
  br i1 %5, label %6, label %47

6:                                                ; preds = %2
  %7 = add nsw i32 %0, 3
  %8 = icmp sgt i32 %1, 0
  br i1 %8, label %9, label %47

9:                                                ; preds = %6
  %10 = getelementptr inbounds [10 x i32], [10 x i32]* %3, i64 0, i64 0
  store volatile i32 %7, i32* %10, align 16, !tbaa !5
  %11 = icmp eq i32 %1, 1
  br i1 %11, label %47, label %12

12:                                               ; preds = %9
  %13 = zext i32 %1 to i64
  %14 = add nsw i64 %13, -1
  %15 = and i64 %14, 1
  %16 = icmp eq i32 %1, 2
  br i1 %16, label %37, label %17

17:                                               ; preds = %12
  %18 = and i64 %14, -2
  br label %19

19:                                               ; preds = %19, %17
  %20 = phi i64 [ 1, %17 ], [ %34, %19 ]
  %21 = phi i64 [ %18, %17 ], [ %35, %19 ]
  %22 = getelementptr inbounds [10 x i32], [10 x i32]* %3, i64 0, i64 %20
  store volatile i32 %7, i32* %22, align 4, !tbaa !5
  %23 = add nuw i64 %20, 4294967295
  %24 = and i64 %23, 4294967295
  %25 = getelementptr inbounds [10 x i32], [10 x i32]* %3, i64 0, i64 %24
  %26 = load volatile i32, i32* %25, align 4, !tbaa !5
  %27 = add nsw i32 %26, %1
  store volatile i32 %27, i32* %25, align 4, !tbaa !5
  %28 = add nuw nsw i64 %20, 1
  %29 = getelementptr inbounds [10 x i32], [10 x i32]* %3, i64 0, i64 %28
  store volatile i32 %7, i32* %29, align 4, !tbaa !5
  %30 = and i64 %20, 4294967295
  %31 = getelementptr inbounds [10 x i32], [10 x i32]* %3, i64 0, i64 %30
  %32 = load volatile i32, i32* %31, align 4, !tbaa !5
  %33 = add nsw i32 %32, %1
  store volatile i32 %33, i32* %31, align 4, !tbaa !5
  %34 = add nuw nsw i64 %20, 2
  %35 = add i64 %21, -2
  %36 = icmp eq i64 %35, 0
  br i1 %36, label %37, label %19, !llvm.loop !9

37:                                               ; preds = %19, %12
  %38 = phi i64 [ 1, %12 ], [ %34, %19 ]
  %39 = icmp eq i64 %15, 0
  br i1 %39, label %47, label %40

40:                                               ; preds = %37
  %41 = getelementptr inbounds [10 x i32], [10 x i32]* %3, i64 0, i64 %38
  store volatile i32 %7, i32* %41, align 4, !tbaa !5
  %42 = add nuw i64 %38, 4294967295
  %43 = and i64 %42, 4294967295
  %44 = getelementptr inbounds [10 x i32], [10 x i32]* %3, i64 0, i64 %43
  %45 = load volatile i32, i32* %44, align 4, !tbaa !5
  %46 = add nsw i32 %45, %1
  store volatile i32 %46, i32* %44, align 4, !tbaa !5
  br label %47

47:                                               ; preds = %40, %37, %9, %6, %2
  call void @llvm.lifetime.end.p0i8(i64 40, i8* nonnull %4) #3
  ret void
}

; Function Attrs: argmemonly mustprogress nofree nosync nounwind willreturn
declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture) #1

; Function Attrs: argmemonly mustprogress nofree nounwind willreturn writeonly
declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1 immarg) #2

; Function Attrs: argmemonly mustprogress nofree nosync nounwind willreturn
declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture) #1

attributes #0 = { 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 nofree nosync nounwind willreturn }
attributes #2 = { argmemonly mustprogress 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 1}
!3 = !{i32 7, !"frame-pointer", i32 2}
!4 = !{!"Homebrew clang version 13.0.0"}
!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}