[PATCH] D37918: AMDGPU: Don't run redundant GlobalDCE

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
Herald added subscribers: t-tye, tpr, dstuttard, yaxunl, nhaehnle, wdng, kzhuravl.

The internalize pass is added early, and
GlobalOpt / GlobalDCE are already run later.


https://reviews.llvm.org/D37918

Files:
  lib/Target/AMDGPU/AMDGPUTargetMachine.cpp


Index: lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
===================================================================
--- lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
+++ lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
@@ -372,7 +372,6 @@
       PM.add(createAMDGPUUnifyMetadataPass());
       if (Internalize) {
         PM.add(createInternalizePass(mustPreserveGV));
-        PM.add(createGlobalDCEPass());
       }
       if (EarlyInline)
         PM.add(createAMDGPUAlwaysInlinePass(false));


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