1; RUN: llc < %s -march=arm -mattr=+v6t2 | FileCheck %s 2; RUN: llc < %s -march=arm -mattr=+v6t2 -arm-use-mulops=false | FileCheck %s -check-prefix=NO_MULOPS 3 4define i32 @f1(i32 %a, i32 %b, i32 %c) { 5 %tmp1 = mul i32 %a, %b 6 %tmp2 = sub i32 %c, %tmp1 7 ret i32 %tmp2 8} 9 10; sub doesn't commute, so no mls for this one 11define i32 @f2(i32 %a, i32 %b, i32 %c) { 12 %tmp1 = mul i32 %a, %b 13 %tmp2 = sub i32 %tmp1, %c 14 ret i32 %tmp2 15} 16 17; CHECK-LABEL: f1: 18; CHECK: mls r0, r0, r1, r2 19; NO_MULOPS-LABEL: f1: 20; NO_MULOPS: mul r0, r0, r1 21; NO_MULOPS-NEXT: sub r0, r2, r0 22 23; CHECK-LABEL: f2: 24; CHECK: mul r0, r0, r1 25; CHECK-NEXT: sub r0, r0, r2 26; NO_MULOPS-LABEL: f2: 27; NO_MULOPS: mul r0, r0, r1 28; NO_MULOPS-NEXT: sub r0, r0, r2 29