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; RUN: llvm-as < %s | opt -instcombine -disable-output &&
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep -v 'store.*,.*null' | not grep store
void %test1(int* %P) {
store int undef, int* %P
store int 123, int* undef
store int 124, int* null
ret void
}
void %test2(int* %P) {
%X = load int* %P
%Y = add int %X, 0
store int %Y, int* %P
ret void
}
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