[X86] Delete Profile Guided Prefetch Passes

llvm/lib/Target/X86/CMakeLists.txt

@@ -31,7 +31,6 @@ set(sources
   X86CmovConversion.cpp
   X86CodeGenPassBuilder.cpp
   X86DomainReassignment.cpp
-  X86DiscriminateMemOps.cpp
   X86LowerTileCopy.cpp
   X86LowerAMXType.cpp
   X86LowerAMXIntrinsics.cpp
@@ -57,7 +56,6 @@ set(sources
   X86IndirectBranchTracking.cpp
   X86IndirectThunks.cpp
   X86InterleavedAccess.cpp
-  X86InsertPrefetch.cpp
   X86InstCombineIntrinsic.cpp
   X86InstrFMA3Info.cpp
   X86InstrFoldTables.cpp

llvm/lib/Target/X86/X86.h

@@ -154,13 +154,6 @@ FunctionPass *createX86IndirectThunksPass();
 /// This pass replaces ret instructions with jmp's to __x86_return thunk.
 FunctionPass *createX86ReturnThunksPass();
 
-/// This pass ensures instructions featuring a memory operand
-/// have distinctive <LineNumber, Discriminator> (with respect to each other)
-FunctionPass *createX86DiscriminateMemOpsPass();
-
-/// This pass applies profiling information to insert cache prefetches.
-FunctionPass *createX86InsertPrefetchPass();
-
 /// This pass insert wait instruction after X87 instructions which could raise
 /// fp exceptions when strict-fp enabled.
 FunctionPass *createX86InsertX87waitPass();