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      1 ; RUN: llc < %s -march=arm -mattr=+v6t2 | FileCheck %s
      2 
      3 define i32 @f1(i32 %a, i32 %b, i32 %c) {
      4     %tmp1 = mul i32 %a, %b
      5     %tmp2 = sub i32 %c, %tmp1
      6     ret i32 %tmp2
      7 }
      8 
      9 ; sub doesn't commute, so no mls for this one
     10 define i32 @f2(i32 %a, i32 %b, i32 %c) {
     11     %tmp1 = mul i32 %a, %b
     12     %tmp2 = sub i32 %tmp1, %c
     13     ret i32 %tmp2
     14 }
     15 
     16 ; CHECK: mls	r0, r0, r1, r2
     17