[llvm-commits] [llvm] r42894 - /llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp

Evan Cheng evan.cheng at apple.com
Fri Oct 12 00:55:53 PDT 2007


Author: evancheng
Date: Fri Oct 12 02:55:53 2007
New Revision: 42894

URL: http://llvm.org/viewvc/llvm-project?rev=42894&view=rev
Log:
Flag MOV32to32_ with EXTRACT_SUBREG. They should not be scheduled apart.

Modified:
    llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp?rev=42894&r1=42893&r2=42894&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp Fri Oct 12 02:55:53 2007
@@ -1000,8 +1000,9 @@
           VT = MVT::i32;
           break;
         }
-        N0 = 
-          SDOperand(CurDAG->getTargetNode(Opc, VT, N0), 0);
+        N0 = SDOperand(CurDAG->getTargetNode(Opc, VT, MVT::Flag, N0), 0);
+        return CurDAG->getTargetNode(X86::EXTRACT_SUBREG,
+                                     VT, N0, SRIdx, N0.getValue(1));
       }
       break;
     case MVT::i16:
@@ -1010,11 +1011,9 @@
     case MVT::i32:
       SRIdx = CurDAG->getTargetConstant(3, MVT::i32); // SubRegSet 3
       break;
-    default: assert(0 && "Unknown truncate!");
+    default: assert(0 && "Unknown truncate!"); break;
     }
-    return CurDAG->getTargetNode(X86::EXTRACT_SUBREG, 
-                                 VT, 
-                                 N0, SRIdx);
+    return CurDAG->getTargetNode(X86::EXTRACT_SUBREG, VT, N0, SRIdx);
 }
 
 
@@ -1382,7 +1381,8 @@
         default: assert(0 && "Unknown any_extend!");
         }
         if (SRIdx.Val) {
-          SDNode *ResNode = CurDAG->getTargetNode(X86::INSERT_SUBREG, NVT, N0, SRIdx);
+          SDNode *ResNode = CurDAG->getTargetNode(X86::INSERT_SUBREG,
+                                                  NVT, N0, SRIdx);
 
 #ifndef NDEBUG
           DOUT << std::string(Indent-2, ' ') << "=> ";





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