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; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s
; PR3168
; CHECK-LABEL: append
define i32* @append() gc "ocaml" {
entry:
switch i32 0, label %L2 [i32 0, label %L1]
L1:
%var8 = alloca i8*
call void @llvm.gcroot(i8** %var8,i8* null)
br label %L3
L2:
call ccc void @oread_runtime_casenotcovered()
unreachable
L3:
ret i32* null
}
declare ccc void @oread_runtime_casenotcovered()
declare void @llvm.gcroot(i8**,i8*)
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