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| author | Chris Lattner <sabre@nondot.org> | 2005-02-23 07:09:08 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-02-23 07:09:08 +0000 |
| commit | cf08c21f2cc6bdfa64816ee5128a1c58747dd1ad (patch) | |
| tree | f93415f9054a8d84e7b051e99808ffb90698ac89 /llvm/lib/VMCore/BasicBlock.cpp | |
| parent | 5e166a5f3efdbf06fad4834b27faf4156b61ee71 (diff) | |
| download | bcm5719-llvm-cf08c21f2cc6bdfa64816ee5128a1c58747dd1ad.tar.gz bcm5719-llvm-cf08c21f2cc6bdfa64816ee5128a1c58747dd1ad.zip | |
Reduce the amount of searching this assertion does. On a testcase of mine,
this reduces the time for -simplifycfg in a debug build from 106s to 14.82s
llvm-svn: 20286
Diffstat (limited to 'llvm/lib/VMCore/BasicBlock.cpp')
| -rw-r--r-- | llvm/lib/VMCore/BasicBlock.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/VMCore/BasicBlock.cpp b/llvm/lib/VMCore/BasicBlock.cpp index 87b9ddd3808..ae6356bc705 100644 --- a/llvm/lib/VMCore/BasicBlock.cpp +++ b/llvm/lib/VMCore/BasicBlock.cpp @@ -136,8 +136,10 @@ void BasicBlock::dropAllReferences() { // called while the predecessor still refers to this block. // void BasicBlock::removePredecessor(BasicBlock *Pred) { - assert(find(pred_begin(this), pred_end(this), Pred) != pred_end(this) && + assert((getNumUses() > 16 ||// Reduce cost of this assertion for complex CFGs. + find(pred_begin(this), pred_end(this), Pred) != pred_end(this)) && "removePredecessor: BB is not a predecessor!"); + if (InstList.empty()) return; PHINode *APN = dyn_cast<PHINode>(&front()); if (!APN) return; // Quick exit. |
