[llvm-commits] [llvm] r53688 - /llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp

[Dan Gohman]

Author: djg
Date: Wed Jul 16 11:20:48 2008
New Revision: 53688

URL: http://llvm.org/viewvc/llvm-project?rev=53688&view=rev
Log:
Fix the result type of X86's truncate to i8.

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=53688&r1=53687&r2=53688&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelDAGToDAG.cpp Wed Jul 16 11:20:48 2008
@@ -1120,19 +1120,17 @@
       // Ensure that the source register has an 8-bit subreg on 32-bit targets
       if (!Subtarget->is64Bit()) { 
         unsigned Opc;
-        MVT VT;
-        switch (N0.getValueType().getSimpleVT()) {
+        MVT N0VT = N0.getValueType();
+        switch (N0VT.getSimpleVT()) {
         default: assert(0 && "Unknown truncate!");
         case MVT::i16:
           Opc = X86::MOV16to16_;
-          VT = MVT::i16;
           break;
         case MVT::i32:
           Opc = X86::MOV32to32_;
-          VT = MVT::i32;
           break;
         }
-        N0 = SDOperand(CurDAG->getTargetNode(Opc, VT, MVT::Flag, N0), 0);
+        N0 = SDOperand(CurDAG->getTargetNode(Opc, N0VT, MVT::Flag, N0), 0);
         return CurDAG->getTargetNode(X86::EXTRACT_SUBREG,
                                      VT, N0, SRIdx, N0.getValue(1));
       }