Access the TargetLoweringInfo from the TargetMachine object instead of caching it. The TLI may change between functions. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184352 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/Passes.cpp b/lib/CodeGen/Passes.cpp
index 1885af5..fc91b57 100644
--- a/lib/CodeGen/Passes.cpp
+++ b/lib/CodeGen/Passes.cpp
@@ -404,7 +404,7 @@
     addPass(createDwarfEHPass(TM));
     break;
   case ExceptionHandling::None:
-    addPass(createLowerInvokePass(TM->getTargetLowering()));
+    addPass(createLowerInvokePass(TM));
 
     // The lower invoke pass may create unreachable code. Remove it.
     addPass(createUnreachableBlockEliminationPass());
@@ -416,7 +416,7 @@
 /// before exception handling preparation passes.
 void TargetPassConfig::addCodeGenPrepare() {
   if (getOptLevel() != CodeGenOpt::None && !DisableCGP)
-    addPass(createCodeGenPreparePass(getTargetLowering()));
+    addPass(createCodeGenPreparePass(TM));
 }
 
 /// Add common passes that perform LLVM IR to IR transforms in preparation for