Add support for using the FLAGS result of or, xor, and and instructions
on x86, to avoid explicit test instructions. A few existing tests changed
due to arbitrary register allocation differences.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82263 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.h b/lib/Target/X86/X86ISelLowering.h
index 021797e..beb9ec3 100644
--- a/lib/Target/X86/X86ISelLowering.h
+++ b/lib/Target/X86/X86ISelLowering.h
@@ -237,7 +237,7 @@
 
       // ADD, SUB, SMUL, UMUL, etc. - Arithmetic operations with FLAGS results.
       ADD, SUB, SMUL, UMUL,
-      INC, DEC,
+      INC, DEC, OR, XOR, AND,
 
       // MUL_IMM - X86 specific multiply by immediate.
       MUL_IMM,