summaryrefslogtreecommitdiffstats
path: root/llvm/lib/Target
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/lib/Target')
-rw-r--r--llvm/lib/Target/PowerPC/PPCInstrInfo.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCInstrInfo.h b/llvm/lib/Target/PowerPC/PPCInstrInfo.h
index 4d310fee47b..4add6f9781e 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrInfo.h
+++ b/llvm/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;
OpenPOWER on IntegriCloud