Vendor import of llvm trunk r154661:

http://llvm.org/svn/llvm-project/llvm/trunk@r154661

1 files changed, 23 insertions, 1 deletions

diff --git a/lib/Target/PowerPC/PPCSubtarget.cpp b/lib/Target/PowerPC/PPCSubtarget.cpp
index cf194de..f405b47 100644
--- a/lib/Target/PowerPC/PPCSubtarget.cpp
+++ b/lib/Target/PowerPC/PPCSubtarget.cpp
@@ -1,4 +1,4 @@
-//===- PowerPCSubtarget.cpp - PPC Subtarget Information -------------------===//
+//===-- PowerPCSubtarget.cpp - PPC Subtarget Information ------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "PPCSubtarget.h"
+#include "PPCRegisterInfo.h"
 #include "PPC.h"
 #include "llvm/GlobalValue.h"
 #include "llvm/Target/TargetMachine.h"
@@ -74,6 +75,7 @@ PPCSubtarget::PPCSubtarget(const std::string &TT, const std::string &CPU,
   , HasAltivec(false)
   , HasFSQRT(false)
   , HasSTFIWX(false)
+  , IsBookE(false)
   , HasLazyResolverStubs(false)
   , IsJITCodeModel(false)
   , TargetTriple(TT) {
@@ -139,3 +141,23 @@ bool PPCSubtarget::hasLazyResolverStub(const GlobalValue *GV,
   return GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() ||
          GV->hasCommonLinkage() || isDecl;
 }
+
+bool PPCSubtarget::enablePostRAScheduler(
+           CodeGenOpt::Level OptLevel,
+           TargetSubtargetInfo::AntiDepBreakMode& Mode,
+           RegClassVector& CriticalPathRCs) const {
+  if (DarwinDirective == PPC::DIR_440 || DarwinDirective == PPC::DIR_A2)
+    Mode = TargetSubtargetInfo::ANTIDEP_ALL;
+  else
+    Mode = TargetSubtargetInfo::ANTIDEP_CRITICAL;
+
+  CriticalPathRCs.clear();
+
+  if (isPPC64())
+    CriticalPathRCs.push_back(&PPC::G8RCRegClass);
+  else
+    CriticalPathRCs.push_back(&PPC::GPRCRegClass);
+
+  return OptLevel >= CodeGenOpt::Default;
+}
+