diff options
Diffstat (limited to 'lib/CodeGen/MachineVerifier.cpp')
-rw-r--r-- | lib/CodeGen/MachineVerifier.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/CodeGen/MachineVerifier.cpp b/lib/CodeGen/MachineVerifier.cpp index 394a96042e..f26886fd20 100644 --- a/lib/CodeGen/MachineVerifier.cpp +++ b/lib/CodeGen/MachineVerifier.cpp @@ -900,7 +900,7 @@ MachineVerifier::visitMachineBasicBlockAfter(const MachineBasicBlock *MBB) { void MachineVerifier::calcRegsPassed() { // First push live-out regs to successors' vregsPassed. Remember the MBBs that // have any vregsPassed. - DenseSet<const MachineBasicBlock*> todo; + SmallPtrSet<const MachineBasicBlock*, 8> todo; for (MachineFunction::const_iterator MFI = MF->begin(), MFE = MF->end(); MFI != MFE; ++MFI) { const MachineBasicBlock &MBB(*MFI); @@ -937,7 +937,7 @@ void MachineVerifier::calcRegsPassed() { // similar to calcRegsPassed, only backwards. void MachineVerifier::calcRegsRequired() { // First push live-in regs to predecessors' vregsRequired. - DenseSet<const MachineBasicBlock*> todo; + SmallPtrSet<const MachineBasicBlock*, 8> todo; for (MachineFunction::const_iterator MFI = MF->begin(), MFE = MF->end(); MFI != MFE; ++MFI) { const MachineBasicBlock &MBB(*MFI); @@ -970,9 +970,10 @@ void MachineVerifier::calcRegsRequired() { // Check PHI instructions at the beginning of MBB. It is assumed that // calcRegsPassed has been run so BBInfo::isLiveOut is valid. void MachineVerifier::checkPHIOps(const MachineBasicBlock *MBB) { + SmallPtrSet<const MachineBasicBlock*, 8> seen; for (MachineBasicBlock::const_iterator BBI = MBB->begin(), BBE = MBB->end(); BBI != BBE && BBI->isPHI(); ++BBI) { - DenseSet<const MachineBasicBlock*> seen; + seen.clear(); for (unsigned i = 1, e = BBI->getNumOperands(); i != e; i += 2) { unsigned Reg = BBI->getOperand(i).getReg(); |