Do the LiveVariables update before printing the instruction in

the debug output, so that the updated liveness flags are
reflected in the debug output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59147 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/TwoAddressInstructionPass.cpp b/lib/CodeGen/TwoAddressInstructionPass.cpp
index 7d9e44ab2045b757fc74c70d314154f23a44199d..52a54eb5bd86876a418700207816dfb11edfa874 100644 (file)
--- a/lib/CodeGen/TwoAddressInstructionPass.cpp
+++ b/lib/CodeGen/TwoAddressInstructionPass.cpp
@@ -419,7 +419,6 @@ bool TwoAddressInstructionPass::runOnMachineFunction(MachineFunction &MF) {
           }
 
           MachineBasicBlock::iterator prevMi = prior(mi);
-          DOUT << "\t\tprepend:\t"; DEBUG(prevMi->print(*cerr.stream(), &TM));
 
           // Update live variables for regB.
           if (LV) {
@@ -434,6 +433,8 @@ bool TwoAddressInstructionPass::runOnMachineFunction(MachineFunction &MF) {
             if (LV->removeVirtualRegisterDead(regB, mi))
               LV->addVirtualRegisterDead(regB, prevMi);
           }
+
+          DOUT << "\t\tprepend:\t"; DEBUG(prevMi->print(*cerr.stream(), &TM));
           
           // Replace all occurences of regB with regA.
           for (unsigned i = 0, e = mi->getNumOperands(); i != e; ++i) {