[llvm-commits] [llvm] r56698 - /llvm/trunk/lib/Target/X86/X86InstrInfo.cpp

[Dan Gohman]

Author: djg
Date: Fri Sep 26 16:30:20 2008
New Revision: 56698

URL: http://llvm.org/viewvc/llvm-project?rev=56698&view=rev
Log:
Mark lea fi# as being really rematerializable.

Modified:
    llvm/trunk/lib/Target/X86/X86InstrInfo.cpp

Modified: llvm/trunk/lib/Target/X86/X86InstrInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrInfo.cpp?rev=56698&r1=56697&r2=56698&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrInfo.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86InstrInfo.cpp Fri Sep 26 16:30:20 2008
@@ -819,11 +819,12 @@
  
      case X86::LEA32r:
      case X86::LEA64r: {
-       if (MI->getOperand(1).isRegister() &&
-           MI->getOperand(2).isImmediate() &&
+       if (MI->getOperand(2).isImmediate() &&
            MI->getOperand(3).isRegister() && MI->getOperand(3).getReg() == 0 &&
            !MI->getOperand(4).isRegister()) {
          // lea fi#, lea GV, etc. are all rematerializable.
+         if (!MI->getOperand(1).isRegister())
+           return true;
          unsigned BaseReg = MI->getOperand(1).getReg();
          if (BaseReg == 0)
            return true;