commit bee19a4e09959b5d24d9fc331716ca67fab4914c
author Dan Gohman <gohman@apple.com> Fri Sep 26 21:30:20 2008 +0000
committer Dan Gohman <gohman@apple.com> Fri Sep 26 21:30:20 2008 +0000
tree a6b989aed7cdd74139ec8e17e50c61b81800e794
parent 09d4507a895d5b6ce8c64d9ea480eeddfdf806d2

Mark lea fi# as being really rematerializable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56698 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/X86InstrInfo.cpp

diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index c19628b..c275418 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -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;