From 7ae90d4d2da2ce1adbb49b45b78a599e7345326c Mon Sep 17 00:00:00 2001 From: Chandler Carruth Date: Wed, 11 Apr 2012 10:15:10 +0000 Subject: Add two statistics to help track how we are computing the inline cost. Yea, 'NumCallerCallersAnalyzed' isn't a great name, suggestions welcome. llvm-svn: 154492 --- llvm/lib/Transforms/IPO/Inliner.cpp | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'llvm/lib/Transforms') diff --git a/llvm/lib/Transforms/IPO/Inliner.cpp b/llvm/lib/Transforms/IPO/Inliner.cpp index 8a9d14977a7..dc9cbfb05e2 100644 --- a/llvm/lib/Transforms/IPO/Inliner.cpp +++ b/llvm/lib/Transforms/IPO/Inliner.cpp @@ -36,6 +36,11 @@ STATISTIC(NumCallsDeleted, "Number of call sites deleted, not inlined"); STATISTIC(NumDeleted, "Number of functions deleted because all callers found"); STATISTIC(NumMergedAllocas, "Number of allocas merged together"); +// This weirdly named statistic tracks the number of times that, when attemting +// to inline a function A into B, we analyze the callers of B in order to see +// if those would be more profitable and blocked inline steps. +STATISTIC(NumCallerCallersAnalyzed, "Number of caller-callers analyzed"); + static cl::opt InlineLimit("inline-threshold", cl::Hidden, cl::init(225), cl::ZeroOrMore, cl::desc("Control the amount of inlining to perform (default = 225)")); @@ -277,6 +282,7 @@ bool Inliner::shouldInline(CallSite CS) { } InlineCost IC2 = getInlineCost(CS2); + ++NumCallerCallersAnalyzed; if (!IC2) { callerWillBeRemoved = false; continue; -- cgit v1.2.3