aboutsummaryrefslogtreecommitdiffstats
path: root/lib/Target/PowerPC/PPCInstrInfo.h
diff options
context:
space:
mode:
Diffstat (limited to 'lib/Target/PowerPC/PPCInstrInfo.h')
-rw-r--r--lib/Target/PowerPC/PPCInstrInfo.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCInstrInfo.h b/lib/Target/PowerPC/PPCInstrInfo.h
index 4d310fe..4add6f9 100644
--- 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;