[llvm-commits] [llvm] r153886 - in /llvm/trunk/lib/Target/PowerPC: PPCSubtarget.h PPCTargetMachine.cpp

[Hal Finkel]

Author: hfinkel
Date: Mon Apr  2 14:09:04 2012
New Revision: 153886

URL: http://llvm.org/viewvc/llvm-project?rev=153886&view=rev
Log:
The binutils for the IBM BG/P are too old to support CFI.

Modified:
    llvm/trunk/lib/Target/PowerPC/PPCSubtarget.h
    llvm/trunk/lib/Target/PowerPC/PPCTargetMachine.cpp

Modified: llvm/trunk/lib/Target/PowerPC/PPCSubtarget.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCSubtarget.h?rev=153886&r1=153885&r2=153886&view=diff
==============================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCSubtarget.h (original)
+++ llvm/trunk/lib/Target/PowerPC/PPCSubtarget.h Mon Apr  2 14:09:04 2012
@@ -145,6 +145,8 @@
 
   /// 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(); }

Modified: llvm/trunk/lib/Target/PowerPC/PPCTargetMachine.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCTargetMachine.cpp?rev=153886&r1=153885&r2=153886&view=diff
==============================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCTargetMachine.cpp (original)
+++ llvm/trunk/lib/Target/PowerPC/PPCTargetMachine.cpp Mon Apr  2 14:09:04 2012
@@ -39,6 +39,10 @@
     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() { }