R600/SI: Add VI versions of MUBUF loads and stores

This enables a lot of existing patterns for VI.

llvm-svn: 227209
diff --git a/llvm/lib/Target/R600/VIInstructions.td b/llvm/lib/Target/R600/VIInstructions.td
index 24e66ce..4a6e933 100644
--- a/llvm/lib/Target/R600/VIInstructions.td
+++ b/llvm/lib/Target/R600/VIInstructions.td
@@ -9,18 +9,6 @@
 // Instruction definitions for VI and newer.
 //===----------------------------------------------------------------------===//
 
-let SubtargetPredicate = isVI in {
-
-defm BUFFER_LOAD_DWORD_VI : MUBUF_Load_Helper_vi <
-  0x14, "buffer_load_dword", VGPR_32, i32, global_load
->;
-
-defm BUFFER_LOAD_FORMAT_XYZW_VI : MUBUF_Load_Helper_vi <
-  0x03, "buffer_load_format_xyzw", VReg_128
->;
-
-} // End SubtargetPredicate = isVI
-
 
 //===----------------------------------------------------------------------===//
 // SMEM Patterns
@@ -28,37 +16,10 @@
 
 let Predicates = [isVI] in {
 
-// 1. Offset as 8bit DWORD immediate
+// 1. Offset as 20bit DWORD immediate
 def : Pat <
   (SIload_constant v4i32:$sbase, IMM20bit:$offset),
   (S_BUFFER_LOAD_DWORD_IMM $sbase, (as_i32imm $offset))
 >;
 
-//===----------------------------------------------------------------------===//
-// MUBUF Patterns
-//===----------------------------------------------------------------------===//
-
-// Offset in an 32Bit VGPR
-def : Pat <
-  (SIload_constant v4i32:$sbase, i32:$voff),
-  (BUFFER_LOAD_DWORD_VI_OFFEN $sbase, $voff, 0, 0, 0, 0, 0)
->;
-
-// Offset in an 32Bit VGPR
-def : Pat <
-  (SIload_constant v4i32:$sbase, i32:$voff),
-  (BUFFER_LOAD_DWORD_VI_OFFEN $sbase, $voff, 0, 0, 0, 0, 0)
->;
-
-/* int_SI_vs_load_input */
-def : Pat<
-  (SIload_input v4i32:$tlst, imm:$attr_offset, i32:$buf_idx_vgpr),
-  (BUFFER_LOAD_FORMAT_XYZW_VI_IDXEN $tlst, $buf_idx_vgpr, imm:$attr_offset, 0, 0, 0, 0)
->;
-
-defm : MUBUF_Load_Dword <i32, BUFFER_LOAD_DWORD_VI_OFFSET,
-                         BUFFER_LOAD_DWORD_VI_OFFEN,
-                         BUFFER_LOAD_DWORD_VI_IDXEN,
-                         BUFFER_LOAD_DWORD_VI_BOTHEN>;
-
 } // End Predicates = [isVI]