llvm-project/llvm/test/CodeGen/Generic/2010-ZeroSizedArg.ll

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; RUN: llc < %s
; PR4975
%0 = type <{ [0 x i32] }>
%union.T0 = type { }
@.str = private constant [1 x i8] c" "
define void @t(%0) nounwind {
entry:
%arg0 = alloca %union.T0
%1 = bitcast %union.T0* %arg0 to %0*
store %0 %0, %0* %1, align 1
ret void
}
declare i32 @printf(i8*, ...)