From 40f689851f6737d59b6f6a771ab1e07ce84c9bc3 Mon Sep 17 00:00:00 2001
From: Justin Holewinski <jholewinski@nvidia.com>
Date: Mon, 11 Nov 2013 12:58:14 +0000
Subject: [NVPTX] Blacklist TailDuplicate pass

This causes issues with virtual registers.  We will likely need
to fix TailDuplicate in the future, or introduce a new version
that plays nicely with vregs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194373 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/NVPTX/NVPTXTargetMachine.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'lib/Target/NVPTX')

diff --git a/lib/Target/NVPTX/NVPTXTargetMachine.cpp b/lib/Target/NVPTX/NVPTXTargetMachine.cpp
index ed5634ae0c..46edd6d83f 100644
--- a/lib/Target/NVPTX/NVPTXTargetMachine.cpp
+++ b/lib/Target/NVPTX/NVPTXTargetMachine.cpp
@@ -126,6 +126,7 @@ void NVPTXPassConfig::addIRPasses() {
   disablePass(&PrologEpilogCodeInserterID);
   disablePass(&MachineCopyPropagationID);
   disablePass(&BranchFolderPassID);
+  disablePass(&TailDuplicateID);
 
   TargetPassConfig::addIRPasses();
   addPass(createGenericToNVVMPass());
-- 
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