From d71e4441c96c0762d4b192763e9377176e393275 Mon Sep 17 00:00:00 2001
From: Eric Christopher <echristo@gmail.com>
Date: Thu, 22 May 2014 01:21:35 +0000
Subject: Avoid using subtarget features when initializing the pass pipeline on
 PPC.

llvm-svn: 209376
---
 llvm/lib/Target/PowerPC/PPCInstrInfo.cpp | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'llvm/lib/Target/PowerPC/PPCInstrInfo.cpp')

diff --git a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
index 0c15e2d0232..fd7238401bb 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
+++ b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
@@ -1813,9 +1813,14 @@ protected:
 
 public:
     bool runOnMachineFunction(MachineFunction &MF) override {
+      TM = static_cast<const PPCTargetMachine *>(&MF.getTarget());
+      // If we don't have VSX then go ahead and return without doing
+      // anything.
+      if (!TM->getSubtargetImpl()->hasVSX())
+        return false;
+
       LIS = &getAnalysis<LiveIntervals>();
 
-      TM = static_cast<const PPCTargetMachine *>(&MF.getTarget());
       TII = TM->getInstrInfo();
 
       bool Changed = false;
@@ -1966,6 +1971,9 @@ protected:
 public:
     bool runOnMachineFunction(MachineFunction &MF) override {
       TM = static_cast<const PPCTargetMachine *>(&MF.getTarget());
+      // If we don't have VSX on the subtarget, don't do anything.
+      if (!TM->getSubtargetImpl()->hasVSX())
+        return false;
       TII = TM->getInstrInfo();
 
       bool Changed = false;
@@ -2040,6 +2048,9 @@ protected:
 public:
     bool runOnMachineFunction(MachineFunction &MF) override {
       TM = static_cast<const PPCTargetMachine *>(&MF.getTarget());
+      // If we don't have VSX don't bother doing anything here.
+      if (!TM->getSubtargetImpl()->hasVSX())
+        return false;
       TII = TM->getInstrInfo();
 
       bool Changed = false;
-- 
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