commit 848b0c39b11801614c47e460248b60e8d40eb257
author Owen Anderson <resistor@mac.com> Tue Mar 29 16:45:53 2011 +0000
committer Owen Anderson <resistor@mac.com> Tue Mar 29 16:45:53 2011 +0000
tree 2da981ff0531b768234736251d1a0b5a557eed90
parent 3c288b97879b975e75ae8eab69eee111f3bc3a43

Get rid of the non-writeback versions VLDMDB and VSTMDB, which don't actually exist.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128461 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/ARM/ARMLoadStoreOptimizer.cpp

diff --git a/lib/Target/ARM/ARMLoadStoreOptimizer.cpp b/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
index 23e0788..af73116 100644
--- a/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
+++ b/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
@@ -79,7 +79,7 @@
       unsigned Position;
       MachineBasicBlock::iterator MBBI;
       bool Merged;
-      MemOpQueueEntry(int o, unsigned r, bool k, unsigned p, 
+      MemOpQueueEntry(int o, unsigned r, bool k, unsigned p,
                       MachineBasicBlock::iterator i)
         : Offset(o), Reg(r), isKill(k), Position(p), MBBI(i), Merged(false) {}
     };
@@ -174,7 +174,7 @@
     switch (Mode) {
     default: llvm_unreachable("Unhandled submode!");
     case ARM_AM::ia: return ARM::VLDMSIA;
-    case ARM_AM::db: return ARM::VLDMSDB;
+    case ARM_AM::db: return 0; // Only VLDMSDB_UPD exists.
     }
     break;
   case ARM::VSTRS:
@@ -182,7 +182,7 @@
     switch (Mode) {
     default: llvm_unreachable("Unhandled submode!");
     case ARM_AM::ia: return ARM::VSTMSIA;
-    case ARM_AM::db: return ARM::VSTMSDB;
+    case ARM_AM::db: return 0; // Only VSTMSDB_UPD exists.
     }
     break;
   case ARM::VLDRD:
@@ -190,7 +190,7 @@
     switch (Mode) {
     default: llvm_unreachable("Unhandled submode!");
     case ARM_AM::ia: return ARM::VLDMDIA;
-    case ARM_AM::db: return ARM::VLDMDDB;
+    case ARM_AM::db: return 0; // Only VLDMDDB_UPD exists.
     }
     break;
   case ARM::VSTRD:
@@ -198,7 +198,7 @@
     switch (Mode) {
     default: llvm_unreachable("Unhandled submode!");
     case ARM_AM::ia: return ARM::VSTMDIA;
-    case ARM_AM::db: return ARM::VSTMDDB;
+    case ARM_AM::db: return 0; // Only VSTMDDB_UPD exists.
     }
     break;
   }
@@ -246,13 +246,9 @@
   case ARM::t2LDMDB_UPD:
   case ARM::t2STMDB:
   case ARM::t2STMDB_UPD:
-  case ARM::VLDMSDB:
   case ARM::VLDMSDB_UPD:
-  case ARM::VSTMSDB:
   case ARM::VSTMSDB_UPD:
-  case ARM::VLDMDDB:
   case ARM::VLDMDDB_UPD:
-  case ARM::VSTMDDB:
   case ARM::VSTMDDB_UPD:
     return ARM_AM::db;
 
@@ -567,14 +563,10 @@
   case ARM::t2STMIA:
   case ARM::t2STMDB:
   case ARM::VLDMSIA:
-  case ARM::VLDMSDB:
   case ARM::VSTMSIA:
-  case ARM::VSTMSDB:
     return (MI->getNumOperands() - MI->getDesc().getNumOperands() + 1) * 4;
   case ARM::VLDMDIA:
-  case ARM::VLDMDDB:
   case ARM::VSTMDIA:
-  case ARM::VSTMDDB:
     return (MI->getNumOperands() - MI->getDesc().getNumOperands() + 1) * 8;
   }
 }
@@ -624,7 +616,6 @@
     }
     break;
   case ARM::VLDMSIA:
-  case ARM::VLDMSDB:
     switch (Mode) {
     default: llvm_unreachable("Unhandled submode!");
     case ARM_AM::ia: return ARM::VLDMSIA_UPD;
@@ -632,7 +623,6 @@
     }
     break;
   case ARM::VLDMDIA:
-  case ARM::VLDMDDB:
     switch (Mode) {
     default: llvm_unreachable("Unhandled submode!");
     case ARM_AM::ia: return ARM::VLDMDIA_UPD;
@@ -640,7 +630,6 @@
     }
     break;
   case ARM::VSTMSIA:
-  case ARM::VSTMSDB:
     switch (Mode) {
     default: llvm_unreachable("Unhandled submode!");
     case ARM_AM::ia: return ARM::VSTMSIA_UPD;
@@ -648,7 +637,6 @@
     }
     break;
   case ARM::VSTMDIA:
-  case ARM::VSTMDDB:
     switch (Mode) {
     default: llvm_unreachable("Unhandled submode!");
     case ARM_AM::ia: return ARM::VSTMDIA_UPD;