[mips] Select the correct instruction for computing frameindexes

Reviewers: smaksimovic, atanasyan, abeserminji

Differential Revision: https://reviews.llvm.org/D47582

llvm-svn: 333736
diff --git a/llvm/lib/Target/Mips/MicroMipsInstrInfo.td b/llvm/lib/Target/Mips/MicroMipsInstrInfo.td
index 769b661..bcead81 100644
--- a/llvm/lib/Target/Mips/MicroMipsInstrInfo.td
+++ b/llvm/lib/Target/Mips/MicroMipsInstrInfo.td
@@ -739,7 +739,7 @@
                  ISA_MICROMIPS32_NOT_MIPS32R6;
 
   def LEA_ADDiu_MM : MMRel, EffectiveAddress<"addiu", GPR32Opnd>,
-                     LW_FM_MM<0xc>;
+                     LW_FM_MM<0xc>, ISA_MICROMIPS;
 
   /// Arithmetic Instructions (3-Operand, R-Type)
   def ADDu_MM  : MMRel, ArithLogicR<"addu", GPR32Opnd, 1, II_ADDU, add>,
diff --git a/llvm/lib/Target/Mips/MicroMipsSizeReduction.cpp b/llvm/lib/Target/Mips/MicroMipsSizeReduction.cpp
index 301a6c7..43469c2 100644
--- a/llvm/lib/Target/Mips/MicroMipsSizeReduction.cpp
+++ b/llvm/lib/Target/Mips/MicroMipsSizeReduction.cpp
@@ -200,6 +200,8 @@
      OpInfo(OT_OperandsAll), ImmField(0, -1, 15, 2)},
     {RT_OneInstr, OpCodes(Mips::LEA_ADDiu, Mips::ADDIUR1SP_MM),
      ReduceADDIUToADDIUR1SP, OpInfo(OT_Operands02), ImmField(2, 0, 64, 2)},
+    {RT_OneInstr, OpCodes(Mips::LEA_ADDiu_MM, Mips::ADDIUR1SP_MM),
+     ReduceADDIUToADDIUR1SP, OpInfo(OT_Operands02), ImmField(2, 0, 64, 2)},
     {RT_OneInstr, OpCodes(Mips::LHu, Mips::LHU16_MM), ReduceLXUtoLXU16,
      OpInfo(OT_OperandsAll), ImmField(1, 0, 16, 2)},
     {RT_OneInstr, OpCodes(Mips::LHu_MM, Mips::LHU16_MM), ReduceLXUtoLXU16,
diff --git a/llvm/lib/Target/Mips/Mips64InstrInfo.td b/llvm/lib/Target/Mips/Mips64InstrInfo.td
index 93a789b..6cd88f6 100644
--- a/llvm/lib/Target/Mips/Mips64InstrInfo.td
+++ b/llvm/lib/Target/Mips/Mips64InstrInfo.td
@@ -323,9 +323,10 @@
              ISA_MIPS64R2;
   def DSHD : SubwordSwap<"dshd", GPR64Opnd, II_DSHD>, SEB_FM<5, 0x24>,
              ISA_MIPS64R2;
+
+  def LEA_ADDiu64 : EffectiveAddress<"daddiu", GPR64Opnd>, LW_FM<0x19>;
 }
 
-def LEA_ADDiu64 : EffectiveAddress<"daddiu", GPR64Opnd>, LW_FM<0x19>;
 
 let isCodeGenOnly = 1 in
 def RDHWR64 : ReadHardware<GPR64Opnd, HWRegsOpnd>, RDHWR_FM;
diff --git a/llvm/lib/Target/Mips/MipsInstrInfo.td b/llvm/lib/Target/Mips/MipsInstrInfo.td
index a9261b1..5629cb51 100644
--- a/llvm/lib/Target/Mips/MipsInstrInfo.td
+++ b/llvm/lib/Target/Mips/MipsInstrInfo.td
@@ -2317,7 +2317,8 @@
 // instructions. The same not happens for stack address copies, so an
 // add op with mem ComplexPattern is used and the stack address copy
 // can be matched. It's similar to Sparc LEA_ADDRi
-def LEA_ADDiu : MMRel, EffectiveAddress<"addiu", GPR32Opnd>, LW_FM<9>;
+let AdditionalPredicates = [NotInMicroMips] in
+  def LEA_ADDiu : MMRel, EffectiveAddress<"addiu", GPR32Opnd>, LW_FM<9>, ISA_MIPS1;
 
 // MADD*/MSUB*
 def MADD  : MMRel, MArithR<"madd", II_MADD, 1>, MULT_FM<0x1c, 0>,