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make -debug-pass=Executions show information about what call graph nodes

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are in the SCC for each execution of a CGSCC pass.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81838 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-09-15 05:03:04 +00:00
parent 745c9be986
commit 9554c61328
3 changed files with 32 additions and 5 deletions
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15
lib/Analysis/IPA/CallGraphSCCPass.cpp
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@@ -317,7 +317,20 @@ bool CGPassManager::runOnModule(Module &M) {
PassNo != e; ++PassNo) {
Pass *P = getContainedPass(PassNo);
dumpPassInfo(P, EXECUTION_MSG, ON_CG_MSG, "");
// If we're in -debug-pass=Executions mode, construct the SCC node list,
// otherwise avoid constructing this string as it is expensive.
if (isPassDebuggingExecutionsOrMore()) {
std::string Functions;
#ifndef NDEBUG
raw_string_ostream OS(Functions);
for (unsigned i = 0, e = CurSCC.size(); i != e; ++i) {
if (i) OS << ", ";
CurSCC[i]->print(OS);
}
OS.flush();
#endif
dumpPassInfo(P, EXECUTION_MSG, ON_CG_MSG, Functions);
}
dumpRequiredSet(P);
initializeAnalysisImpl(P);