1 ; RUN: llc -march=mips -mcpu=mips32r2 < %s | FileCheck %s 2 3 ; CHECK: rotrv $2, $4 4 define i32 @rot0(i32 %a, i32 %b) nounwind readnone { 5 entry: 6 %shl = shl i32 %a, %b 7 %sub = sub i32 32, %b 8 %shr = lshr i32 %a, %sub 9 %or = or i32 %shr, %shl 10 ret i32 %or 11 } 12 13 ; CHECK: rotr $2, $4, 22 14 define i32 @rot1(i32 %a) nounwind readnone { 15 entry: 16 %shl = shl i32 %a, 10 17 %shr = lshr i32 %a, 22 18 %or = or i32 %shl, %shr 19 ret i32 %or 20 } 21 22 ; CHECK: rotrv $2, $4, $5 23 define i32 @rot2(i32 %a, i32 %b) nounwind readnone { 24 entry: 25 %shr = lshr i32 %a, %b 26 %sub = sub i32 32, %b 27 %shl = shl i32 %a, %sub 28 %or = or i32 %shl, %shr 29 ret i32 %or 30 } 31 32 ; CHECK: rotr $2, $4, 10 33 define i32 @rot3(i32 %a) nounwind readnone { 34 entry: 35 %shr = lshr i32 %a, 10 36 %shl = shl i32 %a, 22 37 %or = or i32 %shr, %shl 38 ret i32 %or 39 } 40 41
