Re-apply 66008, now that the unfoldMemoryOperand bug is fixed.

llvm-svn: 66058

1 files changed, 11 insertions, 3 deletions

diff --git a/llvm/lib/Target/X86/X86ISelLowering.h b/llvm/lib/Target/X86/X86ISelLowering.h
index 09332930a77..5d3f287a381 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.h
+++ b/llvm/lib/Target/X86/X86ISelLowering.h
@@ -235,9 +235,9 @@ namespace llvm {
       PCMPEQB, PCMPEQW, PCMPEQD, PCMPEQQ,
       PCMPGTB, PCMPGTW, PCMPGTD, PCMPGTQ,
 
-      // ADD, SUB, SMUL, UMUL - Arithmetic operations with overflow/carry
-      // intrinsics.
-      ADD, SUB, SMUL, UMUL
+      // ADD, SUB, SMUL, UMUL, etc. - Arithmetic operations with FLAGS results.
+      ADD, SUB, SMUL, UMUL,
+      INC, DEC
     };
   }
 
@@ -659,6 +659,14 @@ namespace llvm {
     MachineBasicBlock *EmitAtomicMinMaxWithCustomInserter(MachineInstr *BInstr,
                                                           MachineBasicBlock *BB,
                                                         unsigned cmovOpc) const;
+
+    /// Emit nodes that will be selected as "test Op0,Op0", or something
+    /// equivalent.
+    SDValue EmitTest(SDValue Op0, SelectionDAG &DAG);
+
+    /// Emit nodes that will be selected as "cmp Op0,Op1", or something
+    /// equivalent.
+    SDValue EmitCmp(SDValue Op0, SDValue Op1, SelectionDAG &DAG);
   };
 
   namespace X86 {