diff --git a/llvm/lib/Target/PowerPC/CMakeLists.txt b/llvm/lib/Target/PowerPC/CMakeLists.txt
--- a/llvm/lib/Target/PowerPC/CMakeLists.txt
+++ b/llvm/lib/Target/PowerPC/CMakeLists.txt
@@ -29,7 +29,7 @@
   PPCEarlyReturn.cpp
   PPCFastISel.cpp
   PPCFrameLowering.cpp
-  PPCLoopPreIncPrep.cpp
+  PPCLoopInstrFormPrep.cpp
   PPCMCInstLower.cpp
   PPCMachineFunctionInfo.cpp
   PPCMachineScheduler.cpp
diff --git a/llvm/lib/Target/PowerPC/PPCLoopPreIncPrep.cpp b/llvm/lib/Target/PowerPC/PPCLoopInstrFormPrep.cpp
rename from llvm/lib/Target/PowerPC/PPCLoopPreIncPrep.cpp
rename to llvm/lib/Target/PowerPC/PPCLoopInstrFormPrep.cpp
diff --git a/llvm/utils/gn/secondary/llvm/lib/Target/PowerPC/BUILD.gn b/llvm/utils/gn/secondary/llvm/lib/Target/PowerPC/BUILD.gn
--- a/llvm/utils/gn/secondary/llvm/lib/Target/PowerPC/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/lib/Target/PowerPC/BUILD.gn
@@ -53,7 +53,7 @@
     "PPCISelDAGToDAG.cpp",
     "PPCISelLowering.cpp",
     "PPCInstrInfo.cpp",
-    "PPCLoopPreIncPrep.cpp",
+    "PPCLoopInstrFormPrep.cpp",
     "PPCLowerMASSVEntries.cpp",
     "PPCMCInstLower.cpp",
     "PPCMIPeephole.cpp",