[PATCH] D100014: [GreedyRA ORE] Add function level spill/reloads stats
Serguei Katkov via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Apr 6 21:37:35 PDT 2021
skatkov created this revision.
skatkov added reviewers: reames, MatzeB, anemet.
Herald added subscribers: dantrushin, hiraditya, qcolombet.
skatkov requested review of this revision.
Herald added a project: LLVM.
https://reviews.llvm.org/D100014
Files:
llvm/lib/CodeGen/RegAllocGreedy.cpp
Index: llvm/lib/CodeGen/RegAllocGreedy.cpp
===================================================================
--- llvm/lib/CodeGen/RegAllocGreedy.cpp
+++ llvm/lib/CodeGen/RegAllocGreedy.cpp
@@ -3196,8 +3196,24 @@
void RAGreedy::reportNumberOfSplillsReloads() {
if (!ORE->allowExtraAnalysis(DEBUG_TYPE))
return;
+ RAGreedyStats Stats;
for (MachineLoop *L : *Loops)
- reportNumberOfSplillsReloads(L);
+ Stats.add(reportNumberOfSplillsReloads(L));
+ // Process non-loop blocks.
+ for (MachineBasicBlock &MBB : *MF)
+ if (!Loops->getLoopFor(&MBB))
+ Stats.add(computeNumberOfSplillsReloads(MBB));
+ if (!Stats.isEmpty()) {
+ using namespace ore;
+
+ ORE->emit([&]() {
+ MachineOptimizationRemarkMissed R(DEBUG_TYPE, "SpillReload", DebugLoc(),
+ &MF->front());
+ Stats.report(R);
+ R << "generated in function";
+ return R;
+ });
+ }
}
bool RAGreedy::runOnMachineFunction(MachineFunction &mf) {
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