llvm-project/llvm/test/CodeGen/ARM/mls.ll

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; RUN: llvm-as < %s | llc -march=arm -mattr=+v6t2 | grep {mls\\W*r\[0-9\],\\W*r\[0-9\],\\W*r\[0-9\],\\W*r\[0-9\]} | count 1
define i32 @f1(i32 %a, i32 %b, i32 %c) {
%tmp1 = mul i32 %a, %b
%tmp2 = sub i32 %c, %tmp1
ret i32 %tmp2
}
; sub doesn't commute, so no mls for this one
define i32 @f2(i32 %a, i32 %b, i32 %c) {
%tmp1 = mul i32 %a, %b
%tmp2 = sub i32 %tmp1, %c
ret i32 %tmp2
}