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Remove minimal CFG sanity checks from verifier. 

These checks would often trigger on unreachable statements inserted by
bugpoint, leading it astray.

It would be nice if we could distinguish unreachable blocks from errors.

llvm-svn: 91923
This commit is contained in:
Jakob Stoklund Olesen 2009-12-22 21:52:27 +00:00
parent 3db4952357
commit 200f82c889
1 changed files with 0 additions and 18 deletions
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18
llvm/lib/CodeGen/MachineVerifier.cpp
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@ -365,24 +365,6 @@ void
MachineVerifier::visitMachineBasicBlockBefore(const MachineBasicBlock *MBB) {
const TargetInstrInfo *TII = MF->getTarget().getInstrInfo();
// Start with minimal CFG sanity checks.
MachineFunction::const_iterator MBBI = MBB;
++MBBI;
if (MBBI != MF->end()) {
// Block is not last in function.
if (!MBB->isSuccessor(MBBI)) {
// Block does not fall through.
if (MBB->empty()) {
report("MBB doesn't fall through but is empty!", MBB);
}
}
} else {
// Block is last in function.
if (MBB->empty()) {
report("MBB is last in function but is empty!", MBB);
}
}
// Call AnalyzeBranch. If it succeeds, there several more conditions to check.
MachineBasicBlock *TBB = 0, *FBB = 0;
SmallVector<MachineOperand, 4> Cond;