[PATCH] D13467: [mips] Handle undef when extracting subregs from FP64 registers.

[Daniel Sanders via llvm-commits]

dsanders added inline comments.

================
Comment at: lib/Target/Mips/MipsSEFrameLowering.cpp:324
@@ +323,3 @@
+  const MachineOperand &Op2 = I->getOperand(2);
+
+  if ((Op1.isReg() && Op1.isUndef()) || (Op2.isReg() && Op2.isUndef())) {
----------------
IMPLICIT_DEF doesn't generate any code so it should affect the debug info but I've made this change anyway.


http://reviews.llvm.org/D13467