[X86] Combine (cmov (and/or (setcc) (setcc))) into (cmov (cmov)).

[oota-llvm.git] / lib / Target / PowerPC / PPCInstrInfo.h

diff --git a/lib/Target/PowerPC/PPCInstrInfo.h b/lib/Target/PowerPC/PPCInstrInfo.h
index 4d310fee47b1ce9e1f83e708c350c0a77bff80e9..4add6f9781e8f0f66d6cc10780e409c31a9b47fe 100644 (file)
--- a/lib/Target/PowerPC/PPCInstrInfo.h
+++ b/lib/Target/PowerPC/PPCInstrInfo.h
@@ -106,6 +106,15 @@ public:
                                               UseNode, UseIdx);
   }
 
+  bool hasLowDefLatency(const InstrItineraryData *ItinData,
+                        const MachineInstr *DefMI,
+                        unsigned DefIdx) const override {
+    // Machine LICM should hoist all instructions in low-register-pressure
+    // situations; none are sufficiently free to justify leaving in a loop
+    // body.
+    return false;
+  }
+
   bool isCoalescableExtInstr(const MachineInstr &MI,
                              unsigned &SrcReg, unsigned &DstReg,
                              unsigned &SubIdx) const override;