[SimplifyLibCalls] Mark known arguments with nonnull

Reviewers: efriedma, jdoerfert

Reviewed By: jdoerfert

Subscribers: ychen, rsmith, joerg, aaron.ballman, lebedev.ri, uenoku, jdoerfert, hfinkel, javed.absar, spatel, dmgreen, llvm-commits

Differential Revision: https://reviews.llvm.org/D53342

llvm-svn: 372091

llvm/include/llvm/Transforms/Utils/SimplifyLibCalls.h

@@ -170,13 +170,14 @@ class LibCallSimplifier {
   Value *optimizeStrCSpn(CallInst *CI, IRBuilder<> &B);
   Value *optimizeStrStr(CallInst *CI, IRBuilder<> &B);
   Value *optimizeMemChr(CallInst *CI, IRBuilder<> &B);
+  Value *optimizeMemRChr(CallInst *CI, IRBuilder<> &B);
   Value *optimizeMemCmp(CallInst *CI, IRBuilder<> &B);
   Value *optimizeBCmp(CallInst *CI, IRBuilder<> &B);
   Value *optimizeMemCmpBCmpCommon(CallInst *CI, IRBuilder<> &B);
   Value *optimizeMemPCpy(CallInst *CI, IRBuilder<> &B);
-  Value *optimizeMemCpy(CallInst *CI, IRBuilder<> &B, bool isIntrinsic = false);
-  Value *optimizeMemMove(CallInst *CI, IRBuilder<> &B, bool isIntrinsic = false);
-  Value *optimizeMemSet(CallInst *CI, IRBuilder<> &B, bool isIntrinsic = false);
+  Value *optimizeMemCpy(CallInst *CI, IRBuilder<> &B);
+  Value *optimizeMemMove(CallInst *CI, IRBuilder<> &B);
+  Value *optimizeMemSet(CallInst *CI, IRBuilder<> &B);
   Value *optimizeRealloc(CallInst *CI, IRBuilder<> &B);
   Value *optimizeWcslen(CallInst *CI, IRBuilder<> &B);
   // Wrapper for all String/Memory Library Call Optimizations