[PowerPC] initialize SchedModel according to platform.
Differential Revision: https://reviews.llvm.org/D60177

llvm-svn: 357962
diff --git a/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp b/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp
index c52d7d8..526e06a 100644
--- a/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp
+++ b/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp
@@ -202,6 +202,7 @@
   auto *TLIP = getAnalysisIfAvailable<TargetLibraryInfoWrapperPass>();
   LibInfo = TLIP ? &TLIP->getTLI() : nullptr;
   PreserveLCSSA = mustPreserveAnalysisID(LCSSAID);
+  SchedModel.init(STI);
 
   bool MadeChange = false;