From: Hal Finkel <hfinkel@anl.gov>
Date: Mon, 2 Apr 2012 19:09:04 +0000 (+0000)
Subject: The binutils for the IBM BG/P are too old to support CFI.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=70272aac56830dc4a86de7bf12e591c812ee285b;p=oota-llvm.git

The binutils for the IBM BG/P are too old to support CFI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153886 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/PowerPC/PPCSubtarget.h b/lib/Target/PowerPC/PPCSubtarget.h
index fbd97de16a6..a275029d3e5 100644
--- a/lib/Target/PowerPC/PPCSubtarget.h
+++ b/lib/Target/PowerPC/PPCSubtarget.h
@@ -145,6 +145,8 @@ public:
 
   /// isDarwin - True if this is any darwin platform.
   bool isDarwin() const { return TargetTriple.isMacOSX(); }
+  /// isBGP - True if this is a BG/P platform.
+  bool isBGP() const { return TargetTriple.getVendor() == Triple::BGP; }
 
   bool isDarwinABI() const { return isDarwin(); }
   bool isSVR4ABI() const { return !isDarwin(); }
diff --git a/lib/Target/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp
index ba9c77928ce..d1139766991 100644
--- a/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -39,6 +39,10 @@ PPCTargetMachine::PPCTargetMachine(const Target &T, StringRef TT,
     FrameLowering(Subtarget), JITInfo(*this, is64Bit),
     TLInfo(*this), TSInfo(*this),
     InstrItins(Subtarget.getInstrItineraryData()) {
+
+  // The binutils for the BG/P are too old for CFI.
+  if (Subtarget.isBGP())
+    setMCUseCFI(false);
 }
 
 void PPC32TargetMachine::anchor() { }