Add all codegen passes to the PassManager via TargetPassConfig.

This is a preliminary step toward having TargetPassConfig be able to
start and stop the compilation at specified passes for unit testing
and debugging.  No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159567 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp
index d7a8088..4fbff58 100644
--- a/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -98,20 +98,20 @@
 
 bool PPCPassConfig::addPreRegAlloc() {
   if (!DisableCTRLoops && getOptLevel() != CodeGenOpt::None)
-    PM->add(createPPCCTRLoops());
+    addPass(createPPCCTRLoops());
 
   return false;
 }
 
 bool PPCPassConfig::addInstSelector() {
   // Install an instruction selector.
-  PM->add(createPPCISelDag(getPPCTargetMachine()));
+  addPass(createPPCISelDag(getPPCTargetMachine()));
   return false;
 }
 
 bool PPCPassConfig::addPreEmitPass() {
   // Must run branch selection immediately preceding the asm printer.
-  PM->add(createPPCBranchSelectionPass());
+  addPass(createPPCBranchSelectionPass());
   return false;
 }