summaryrefslogtreecommitdiff
path: root/test/CodeGen/ARM/mls.ll
blob: fd3a7b626b1f3803a37875f871f76399ff5c6fb3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
; 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
}