1; RUN: llc -march=mips -mcpu=mips32r2 -mattr=+micromips,+nooddspreg -O0 < %s | FileCheck %s 2 3; CHECK: addiu $[[R0:[0-9]+]], $zero, 0 4; CHECK: subu16 $2, $[[R0]], ${{[0-9]+}} 5define i32 @foo() { 6 %1 = sub i32 0, undef 7 ret i32 %1 8} 9