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1; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s2; PR31683 4; CHECK-LABEL: append5 6define ptr @append() gc "ocaml" {7entry:8 switch i32 0, label %L2 [i32 0, label %L1]9L1:10 %var8 = alloca ptr11 call void @llvm.gcroot(ptr %var8,ptr null)12 br label %L313L2:14 call ccc void @oread_runtime_casenotcovered()15 unreachable16L3:17 ret ptr null18}19 20declare ccc void @oread_runtime_casenotcovered()21declare void @llvm.gcroot(ptr,ptr)22