diff options
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-07-30 23:15:12 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-07-30 23:15:12 +0000 |
| commit | 2f6b62b09f07d63b7f3ee2de50735dd8c83c0f0f (patch) | |
| tree | 0914ee0545db431db105b4dc365de11bb635610a /lib/CodeGen/MachineTraceMetrics.cpp | |
| parent | 1c899cf47c13a107cf0f85ae69fcd36c92b37f14 (diff) | |
Avoid looking at stale data in verifyAnalysis().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161004 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/MachineTraceMetrics.cpp')
| -rw-r--r-- | lib/CodeGen/MachineTraceMetrics.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/CodeGen/MachineTraceMetrics.cpp b/lib/CodeGen/MachineTraceMetrics.cpp index e688d78596..9c961c6dc4 100644 --- a/lib/CodeGen/MachineTraceMetrics.cpp +++ b/lib/CodeGen/MachineTraceMetrics.cpp @@ -33,7 +33,7 @@ INITIALIZE_PASS_END(MachineTraceMetrics, "machine-trace-metrics", "Machine Trace Metrics", false, true) MachineTraceMetrics::MachineTraceMetrics() - : MachineFunctionPass(ID), TII(0), TRI(0), MRI(0), Loops(0) { + : MachineFunctionPass(ID), MF(0), TII(0), TRI(0), MRI(0), Loops(0) { std::fill(Ensembles, array_endof(Ensembles), (Ensemble*)0); } @@ -55,6 +55,7 @@ bool MachineTraceMetrics::runOnMachineFunction(MachineFunction &Func) { } void MachineTraceMetrics::releaseMemory() { + MF = 0; BlockInfo.clear(); for (unsigned i = 0; i != TS_NumStrategies; ++i) { delete Ensembles[i]; @@ -290,6 +291,8 @@ void MachineTraceMetrics::invalidate(const MachineBasicBlock *MBB) { } void MachineTraceMetrics::verifyAnalysis() const { + if (!MF) + return; #ifndef NDEBUG assert(BlockInfo.size() == MF->getNumBlockIDs() && "Outdated BlockInfo size"); for (unsigned i = 0; i != TS_NumStrategies; ++i) |