[mips][mips16] Fix ZERO is not a CPU16Regs register error from the machine verifier.

Summary: Partially fixes PR27458

Reviewers: sdardis

Subscribers: dsanders, llvm-commits, sdardis

Differential Revision: http://reviews.llvm.org/D20330

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270037 91177308-0d34-0410-b5e6-96231b3b80d8

Author: dsandersllvm

lib/Target/Mips/Mips16InstrInfo.td

@@ -1551,7 +1551,7 @@ def: UncondBranch16_pat<br, Bimm16>;
 
 // Small immediates
 def: Mips16Pat<(i32 immSExt16:$in),
-               (AddiuRxRxImmX16 (Move32R16 ZERO), immSExt16:$in)>;
+               (AddiuRxRxImmX16 (MoveR3216 ZERO), immSExt16:$in)>;
 
 def: Mips16Pat<(i32 immZExt16:$in), (LiRxImmX16 immZExt16:$in)>;
 

test/CodeGen/Mips/mips16fpe.ll

@@ -1,4 +1,5 @@
-; RUN: llc  -march=mipsel -mattr=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16hf
+; RUN: llc -march=mipsel -mattr=mips16 -relocation-model=pic -O3 \
+; RUN:     -verify-machineinstrs < %s | FileCheck %s -check-prefix=16hf
 
 @x = global float 5.000000e+00, align 4
 @y = global float 1.500000e+01, align 4