remove a bunch of extraneous LLVMContext arguments
from various APIs, addressing PR5325.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86231 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/TailDuplication.cpp b/lib/Transforms/Scalar/TailDuplication.cpp
index 4864e23..b06ae3d 100644
--- a/lib/Transforms/Scalar/TailDuplication.cpp
+++ b/lib/Transforms/Scalar/TailDuplication.cpp
@@ -359,8 +359,7 @@
       Instruction *Inst = BI++;
       if (isInstructionTriviallyDead(Inst))
         Inst->eraseFromParent();
-      else if (Constant *C = ConstantFoldInstruction(Inst,
-                                                     Inst->getContext())) {
+      else if (Constant *C = ConstantFoldInstruction(Inst)) {
         Inst->replaceAllUsesWith(C);
         Inst->eraseFromParent();
       }