summaryrefslogtreecommitdiffstats
path: root/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/lib/CodeGen/LiveIntervalAnalysis.cpp')
-rw-r--r--llvm/lib/CodeGen/LiveIntervalAnalysis.cpp8
1 files changed, 7 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
index 0e240f482a1..911d8f04433 100644
--- a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -824,7 +824,13 @@ LiveIntervals::hasPHIKill(const LiveInterval &LI, const VNInfo *VNI) const {
float LiveIntervals::getSpillWeight(bool isDef, bool isUse,
const MachineBlockFrequencyInfo *MBFI,
const MachineInstr &MI) {
- BlockFrequency Freq = MBFI->getBlockFreq(MI.getParent());
+ return getSpillWeight(isDef, isUse, MBFI, MI.getParent());
+}
+
+float LiveIntervals::getSpillWeight(bool isDef, bool isUse,
+ const MachineBlockFrequencyInfo *MBFI,
+ const MachineBasicBlock *MBB) {
+ BlockFrequency Freq = MBFI->getBlockFreq(MBB);
const float Scale = 1.0f / MBFI->getEntryFreq();
return (isDef + isUse) * (Freq.getFrequency() * Scale);
}
OpenPOWER on IntegriCloud