Split pseudo-instruction expansion into a separate pass, to make it

easier to debug, and to avoid complications when the CFG changes
in the middle of the instruction selection process.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119382 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/LLVMTargetMachine.cpp

@@ -345,6 +345,9 @@ bool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM,
   // Print the instruction selected machine code...
   printAndVerify(PM, "After Instruction Selection");
 
+  // Expand pseudo-instructions emitted by isel.
+  PM.add(createExpandPseudosPass());
+
   // Optimize PHIs before DCE: removing dead PHI cycles may make more
   // instructions dead.
   if (OptLevel != CodeGenOpt::None)