[PATCH] Add PIC-level support in LLVM, and implement it for PowerPC

[Eric Christopher]

Go ahead and separate out the relocation bits from the pic level bits please.

Thanks!

================
Comment at: include/llvm/MC/MCCodeGenInfo.h:27
@@ -26,1 +26,3 @@
 
+    PICLevel::Level PLevel;
+
----------------
Comment to match.

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Comment at: include/llvm/MC/MCExpr.h:253
@@ -252,2 +252,3 @@
     VK_PPC_TLSLD,          // symbol at tlsld
+    VK_PPC_LOCAL,          // symbol at local
 
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Separate patch from the pic level stuff?

http://reviews.llvm.org/D5252