[llvm] [PPC] Replace PPCMergeStringPool with GlobalMerge for Linux (PR #114850)

[Stefan Pintilie via llvm-commits]

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@@ -503,17 +503,10 @@ bool PPCPassConfig::addPreISel() {
   // Specifying the command line option overrides the AIX default.
   if ((EnableGlobalMerge.getNumOccurrences() > 0)
           ? EnableGlobalMerge
-          : (TM->getTargetTriple().isOSAIX() &&
-             getOptLevel() != CodeGenOptLevel::None))
+          : getOptLevel() != CodeGenOptLevel::None)
     addPass(createGlobalMergePass(TM, GlobalMergeMaxOffset, false, false, true,
                                   true));
 
-  if ((MergeStringPool.getNumOccurrences() > 0)
-          ? MergeStringPool
-          : (TM->getTargetTriple().isOSLinux() &&
-             getOptLevel() != CodeGenOptLevel::None))
-    addPass(createPPCMergeStringPoolPass());
-
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stefanp-ibm wrote:

If we don't use this pass anymore you can probably just delete the pass source code as well. You can do it in this patch or in another patch if you prefer that.

https://github.com/llvm/llvm-project/pull/114850