[llvm] [AMDGPU][LowerBufferFatPointers] Erase dead ptr(7) intrinsics (PR #160798)

[Krzysztof Drewniak via llvm-commits]

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@@ -2562,7 +2562,9 @@ bool AMDGPULowerBufferFatPointers::run(Module &M, const TargetMachine &TM) {
   for (Function *F : NeedsPostProcess)
     Splitter.processFunction(*F);
   for (Function *F : Intrinsics) {
-    if (isRemovablePointerIntrinsic(F->getIntrinsicID())) {
+    // use_empty() can also occor with cases like malked load, which will
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krzysz00 wrote:

... this is what I get for making a patch real quick near EOD (and using Dvorak (and not having a spell checker on))

https://github.com/llvm/llvm-project/pull/160798