llvm.org GIT mirror llvm / release_26 test / CodeGen / ARM / mls.ll
release_26

Tree @release_26 (Download .tar.gz)

mls.ll @release_26raw · history · blame

; 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
}