Add optimization bisect opt-in calls for PowerPC passes

Differential Revision: http://reviews.llvm.org/D19554

llvm-svn: 267769
diff --git a/llvm/lib/Target/PowerPC/PPCMIPeephole.cpp b/llvm/lib/Target/PowerPC/PPCMIPeephole.cpp
index fe339d7..a57a83d 100644
--- a/llvm/lib/Target/PowerPC/PPCMIPeephole.cpp
+++ b/llvm/lib/Target/PowerPC/PPCMIPeephole.cpp
@@ -63,6 +63,8 @@
 public:
   // Main entry point for this pass.
   bool runOnMachineFunction(MachineFunction &MF) override {
+    if (skipFunction(*MF.getFunction()))
+      return false;
     initialize(MF);
     return simplifyCode();
   }