Move ABI handling and 64-bitness to the PowerPC target machine.

This required changing how the computation of the ABI is handled
and how some of the checks for ABI/target are done.

llvm-svn: 229471

1 files changed, 4 insertions, 9 deletions

diff --git a/llvm/lib/Target/PowerPC/PPCSubtarget.h b/llvm/lib/Target/PowerPC/PPCSubtarget.h
index ce17c1ea779..704a226ed33 100644
--- a/llvm/lib/Target/PowerPC/PPCSubtarget.h
+++ b/llvm/lib/Target/PowerPC/PPCSubtarget.h
@@ -114,11 +114,6 @@ protected:
   bool HasICBT;
   bool HasInvariantFunctionDescriptors;
 
-  enum {
-    PPC_ABI_UNKNOWN,
-    PPC_ABI_ELFv1,
-    PPC_ABI_ELFv2
-  } TargetABI;
   const PPCTargetMachine &TM;
   PPCFrameLowering FrameLowering;
   PPCInstrInfo InstrInfo;
@@ -177,7 +172,7 @@ private:
 public:
   /// isPPC64 - Return true if we are generating code for 64-bit pointer mode.
   ///
-  bool isPPC64() const { return IsPPC64; }
+  bool isPPC64() const;
 
   /// has64BitSupport - Return true if the selected CPU supports 64-bit
   /// instructions, regardless of whether we are in 32-bit or 64-bit mode.
@@ -245,9 +240,9 @@ public:
   bool isTargetELF() const { return TargetTriple.isOSBinFormatELF(); }
   bool isTargetMachO() const { return TargetTriple.isOSBinFormatMachO(); }
 
-  bool isDarwinABI() const { return isDarwin(); }
-  bool isSVR4ABI() const { return !isDarwin(); }
-  bool isELFv2ABI() const { return TargetABI == PPC_ABI_ELFv2; }
+  bool isDarwinABI() const { return isTargetMachO() || isDarwin(); }
+  bool isSVR4ABI() const { return !isDarwinABI(); }
+  bool isELFv2ABI() const;
 
   bool enableEarlyIfConversion() const override { return hasISEL(); }