From: Hans Wennborg <hans@hanshq.net>
Date: Thu, 5 Mar 2015 03:24:49 +0000 (+0000)
Subject: Revert r231324 "Remove the conditional addition of the execution dependency fixing"
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f082c5b27f37d06e03a2c91a431ca1ebcf9567e6;p=oota-llvm.git

Revert r231324 "Remove the conditional addition of the execution dependency fixing"

See PR22799.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231348 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/ARMTargetMachine.cpp b/lib/Target/ARM/ARMTargetMachine.cpp
index e3e6228206e..34f7f78154c 100644
--- a/lib/Target/ARM/ARMTargetMachine.cpp
+++ b/lib/Target/ARM/ARMTargetMachine.cpp
@@ -358,7 +358,9 @@ void ARMPassConfig::addPreRegAlloc() {
 void ARMPassConfig::addPreSched2() {
   if (getOptLevel() != CodeGenOpt::None) {
     addPass(createARMLoadStoreOptimizationPass());
-    addPass(createExecutionDependencyFixPass(&ARM::DPRRegClass));
+
+    if (getARMSubtarget().hasNEON())
+      addPass(createExecutionDependencyFixPass(&ARM::DPRRegClass));
   }
 
   // Expand some pseudo instructions into multiple instructions to allow