1 ; RUN: llc -mtriple=arm-eabi -mattr=+v6t2 %s -o - | FileCheck %s 2 ; RUN: llc -mtriple=arm-eabi -mattr=+v6t2 -arm-use-mulops=false %s -o - \ 3 ; RUN: | FileCheck %s -check-prefix=NO_MULOPS 4 5 define i32 @f1(i32 %a, i32 %b, i32 %c) { 6 %tmp1 = mul i32 %a, %b 7 %tmp2 = sub i32 %c, %tmp1 8 ret i32 %tmp2 9 } 10 11 ; sub doesn't commute, so no mls for this one 12 define i32 @f2(i32 %a, i32 %b, i32 %c) { 13 %tmp1 = mul i32 %a, %b 14 %tmp2 = sub i32 %tmp1, %c 15 ret i32 %tmp2 16 } 17 18 ; CHECK-LABEL: f1: 19 ; CHECK: mls r0, r0, r1, r2 20 ; NO_MULOPS-LABEL: f1: 21 ; NO_MULOPS: mul r0, r0, r1 22 ; NO_MULOPS-NEXT: sub r0, r2, r0 23 24 ; CHECK-LABEL: f2: 25 ; CHECK: mul r0, r0, r1 26 ; CHECK-NEXT: sub r0, r0, r2 27 ; NO_MULOPS-LABEL: f2: 28 ; NO_MULOPS: mul r0, r0, r1 29 ; NO_MULOPS-NEXT: sub r0, r0, r2 30
