diff options
| 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 | 35f0aecdb012ba150953f6f3a98862be9c72d265 (patch) | |
| tree | de3fc5d876f5d4ba9e2664efe82c12c21aa160e1 /lib/VMCore/BasicBlock.cpp | |
| parent | 9b5b1905dbad19de374e7617f615ba522ffe0468 (diff) | |
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
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20286 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/VMCore/BasicBlock.cpp')
| -rw-r--r-- | lib/VMCore/BasicBlock.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/VMCore/BasicBlock.cpp b/lib/VMCore/BasicBlock.cpp index 87b9ddd380..ae6356bc70 100644 --- a/lib/VMCore/BasicBlock.cpp +++ b/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. |