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/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index c066a56..c66a554 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -145,38 +145,38 @@
 
 bool X86PassConfig::addInstSelector() {
   // Install an instruction selector.
-  PM->add(createX86ISelDag(getX86TargetMachine(), getOptLevel()));
+  addPass(createX86ISelDag(getX86TargetMachine(), getOptLevel()));
 
   // For ELF, cleanup any local-dynamic TLS accesses.
   if (getX86Subtarget().isTargetELF() && getOptLevel() != CodeGenOpt::None)
-    PM->add(createCleanupLocalDynamicTLSPass());
+    addPass(createCleanupLocalDynamicTLSPass());
 
   // For 32-bit, prepend instructions to set the "global base reg" for PIC.
   if (!getX86Subtarget().is64Bit())
-    PM->add(createGlobalBaseRegPass());
+    addPass(createGlobalBaseRegPass());
 
   return false;
 }
 
 bool X86PassConfig::addPreRegAlloc() {
-  PM->add(createX86MaxStackAlignmentHeuristicPass());
+  addPass(createX86MaxStackAlignmentHeuristicPass());
   return false;  // -print-machineinstr shouldn't print after this.
 }
 
 bool X86PassConfig::addPostRegAlloc() {
-  PM->add(createX86FloatingPointStackifierPass());
+  addPass(createX86FloatingPointStackifierPass());
   return true;  // -print-machineinstr should print after this.
 }
 
 bool X86PassConfig::addPreEmitPass() {
   bool ShouldPrint = false;
   if (getOptLevel() != CodeGenOpt::None && getX86Subtarget().hasSSE2()) {
-    PM->add(createExecutionDependencyFixPass(&X86::VR128RegClass));
+    addPass(createExecutionDependencyFixPass(&X86::VR128RegClass));
     ShouldPrint = true;
   }
 
   if (getX86Subtarget().hasAVX() && UseVZeroUpper) {
-    PM->add(createX86IssueVZeroUpperPass());
+    addPass(createX86IssueVZeroUpperPass());
     ShouldPrint = true;
   }