AMDGPU: Remove mubuf specific PatFrags

[arsenm]

Summary

These are identical to the *_global PatFrag, and will only create
more work to get the GlobalISel importer to handle them.

[rampitec]

LGTM

[arsenm]

r365350

lib/Target/AMDGPU/BUFInstructions.td

 
 def MUBUFScratchOffen : ComplexPattern<i64, 4, "SelectMUBUFScratchOffen", [], [SDNPWantParent]>;
 def MUBUFScratchOffset : ComplexPattern<i64, 3, "SelectMUBUFScratchOffset", [], [SDNPWantParent], 20>;
 
 def MUBUFOffset : ComplexPattern<i64, 7, "SelectMUBUFOffset">;
 def MUBUFOffsetNoGLC : ComplexPattern<i64, 3, "SelectMUBUFOffset">;
 def MUBUFOffsetAtomic : ComplexPattern<i64, 4, "SelectMUBUFOffset">;
 
-class MubufLoad <SDPatternOperator op> : PatFrag <
-  (ops node:$ptr), (op node:$ptr), [{
-  auto const AS = cast<MemSDNode>(N)->getAddressSpace();
-  return AS == AMDGPUAS::GLOBAL_ADDRESS ||
-         AS == AMDGPUAS::CONSTANT_ADDRESS;
-}]>;
-
-def mubuf_load          : MubufLoad <load>;
-def mubuf_az_extloadi8  : MubufLoad <az_extloadi8>;
-def mubuf_sextloadi8    : MubufLoad <sextloadi8>;
-def mubuf_az_extloadi16 : MubufLoad <az_extloadi16>;
-def mubuf_sextloadi16   : MubufLoad <sextloadi16>;
-def mubuf_load_atomic   : MubufLoad <atomic_load>;
-
 def BUFAddrKind {
   int Offset = 0;
   int OffEn  = 1;
   int IdxEn  = 2;
   int BothEn = 3;
   int Addr64 = 4;
 }
 
defm BUFFER_STORE_FORMAT_D16_XYZ : MUBUF_Pseudo_Stores <
     "buffer_store_format_d16_xyz", VReg_64
   >;
   defm BUFFER_STORE_FORMAT_D16_XYZW : MUBUF_Pseudo_Stores <
     "buffer_store_format_d16_xyzw", VReg_64
   >;
 } // End HasPackedD16VMem.
 
 defm BUFFER_LOAD_UBYTE : MUBUF_Pseudo_Loads_Lds <
-  "buffer_load_ubyte", VGPR_32, i32, mubuf_az_extloadi8
+  "buffer_load_ubyte", VGPR_32, i32, az_extloadi8_global
 >;
 defm BUFFER_LOAD_SBYTE : MUBUF_Pseudo_Loads_Lds <
-  "buffer_load_sbyte", VGPR_32, i32, mubuf_sextloadi8
+  "buffer_load_sbyte", VGPR_32, i32, sextloadi8_global
 >;
 defm BUFFER_LOAD_USHORT : MUBUF_Pseudo_Loads_Lds <
-  "buffer_load_ushort", VGPR_32, i32, mubuf_az_extloadi16
+  "buffer_load_ushort", VGPR_32, i32, az_extloadi16_global
 >;
 defm BUFFER_LOAD_SSHORT : MUBUF_Pseudo_Loads_Lds <
-  "buffer_load_sshort", VGPR_32, i32, mubuf_sextloadi16
+  "buffer_load_sshort", VGPR_32, i32, sextloadi16_global
 >;
 defm BUFFER_LOAD_DWORD : MUBUF_Pseudo_Loads_Lds <
-  "buffer_load_dword", VGPR_32, i32, mubuf_load
+  "buffer_load_dword", VGPR_32, i32, load_global
 >;
 defm BUFFER_LOAD_DWORDX2 : MUBUF_Pseudo_Loads <
-  "buffer_load_dwordx2", VReg_64, v2i32, mubuf_load
+  "buffer_load_dwordx2", VReg_64, v2i32, load_global
 >;
 defm BUFFER_LOAD_DWORDX3 : MUBUF_Pseudo_Loads <
-  "buffer_load_dwordx3", VReg_96, v3i32, mubuf_load
+  "buffer_load_dwordx3", VReg_96, v3i32, load_global
 >;
 defm BUFFER_LOAD_DWORDX4 : MUBUF_Pseudo_Loads <
-  "buffer_load_dwordx4", VReg_128, v4i32, mubuf_load
+  "buffer_load_dwordx4", VReg_128, v4i32, load_global
 >;
 
 // This is not described in AMD documentation,
 // but 'lds' versions of these opcodes are available
 // in at least GFX8+ chips. See Bug 37653.
 let SubtargetPredicate = isGFX8GFX9 in {
 defm BUFFER_LOAD_DWORDX2_LDS : MUBUF_Pseudo_Loads <
   "buffer_load_dwordx2", VReg_64, v2i32, null_frag, 0, 1

 }
 
 let SubtargetPredicate = isGFX6GFX7 in {
 def : MUBUFLoad_PatternADDR64 <BUFFER_LOAD_SBYTE_ADDR64, i32, sextloadi8_constant>;
 def : MUBUFLoad_PatternADDR64 <BUFFER_LOAD_UBYTE_ADDR64, i32, az_extloadi8_constant>;
 def : MUBUFLoad_PatternADDR64 <BUFFER_LOAD_SSHORT_ADDR64, i32, sextloadi16_constant>;
 def : MUBUFLoad_PatternADDR64 <BUFFER_LOAD_USHORT_ADDR64, i32, az_extloadi16_constant>;
 
-defm : MUBUFLoad_Atomic_Pattern <BUFFER_LOAD_DWORD_ADDR64, BUFFER_LOAD_DWORD_OFFSET, i32, mubuf_load_atomic>;
-defm : MUBUFLoad_Atomic_Pattern <BUFFER_LOAD_DWORDX2_ADDR64, BUFFER_LOAD_DWORDX2_OFFSET, i64, mubuf_load_atomic>;
+defm : MUBUFLoad_Atomic_Pattern <BUFFER_LOAD_DWORD_ADDR64, BUFFER_LOAD_DWORD_OFFSET, i32, atomic_load_global>;
+defm : MUBUFLoad_Atomic_Pattern <BUFFER_LOAD_DWORDX2_ADDR64, BUFFER_LOAD_DWORDX2_OFFSET, i64, atomic_load_global>;
 } // End SubtargetPredicate = isGFX6GFX7
 
 multiclass MUBUFLoad_Pattern <MUBUF_Pseudo Instr_OFFSET, ValueType vt,
                                PatFrag ld> {
 
   def : GCNPat <
     (vt (ld (MUBUFOffset v4i32:$srsrc, i32:$soffset,
                           i16:$offset, i1:$glc, i1:$slc, i1:$tfe, i1:$dlc))),
     (Instr_OFFSET $srsrc, $soffset, $offset, $glc, $slc, $tfe, $dlc)
   >;
 }
 
 let OtherPredicates = [Has16BitInsts] in {
 
 defm : MUBUFLoad_Pattern <BUFFER_LOAD_SBYTE_OFFSET, i16, sextloadi8_constant>;
 defm : MUBUFLoad_Pattern <BUFFER_LOAD_UBYTE_OFFSET, i16, az_extloadi8_constant>;
-defm : MUBUFLoad_Pattern <BUFFER_LOAD_SBYTE_OFFSET, i16, mubuf_sextloadi8>;
-defm : MUBUFLoad_Pattern <BUFFER_LOAD_UBYTE_OFFSET, i16, mubuf_az_extloadi8>;
+defm : MUBUFLoad_Pattern <BUFFER_LOAD_SBYTE_OFFSET, i16, sextloadi8_global>;
+defm : MUBUFLoad_Pattern <BUFFER_LOAD_UBYTE_OFFSET, i16, az_extloadi8_global>;
 
-defm : MUBUFLoad_Pattern <BUFFER_LOAD_USHORT_OFFSET, i16, mubuf_load>;
+defm : MUBUFLoad_Pattern <BUFFER_LOAD_USHORT_OFFSET, i16, load_global>;
 
 } // End OtherPredicates = [Has16BitInsts]
 
 multiclass MUBUFScratchLoadPat <MUBUF_Pseudo InstrOffen,
                                 MUBUF_Pseudo InstrOffset,
                                 ValueType vt, PatFrag ld> {
   def : GCNPat <
     (vt (ld (MUBUFScratchOffen v4i32:$srsrc, i32:$vaddr,