llvm-6502/test/CodeGen/Thumb2/thumb2-neg.ll

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; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {rsb\\W*r\[0-9\],\\W*r\[0-9\],\\W*#0} | count 1
define i32 @f1(i32 %a) {
%tmp = sub i32 0, %a
ret i32 %tmp
}