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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2013-04-12 08:33:11 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2013-04-12 08:33:11 +0000 |
| commit | 71c1b228552ece06003d744b815f669dbfbb0772 (patch) | |
| tree | a3557d6d772f61dda70da12584ffbfbe6d168319 /lib/IR | |
| parent | 5eacadd64953918cc9d3bcb63387d7e0d20a40d2 (diff) | |
| download | llvm-71c1b228552ece06003d744b815f669dbfbb0772.tar.gz llvm-71c1b228552ece06003d744b815f669dbfbb0772.tar.bz2 llvm-71c1b228552ece06003d744b815f669dbfbb0772.tar.xz | |
Fix a disconcerting bug in Value::isUsedInBasicBlock, which gave wrong answers for blocks larger than 3 instrs.
Also add a unit test. PR15727.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179370 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/IR')
| -rw-r--r-- | lib/IR/Value.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/IR/Value.cpp b/lib/IR/Value.cpp index adc702e05e..e9eb012e6c 100644 --- a/lib/IR/Value.cpp +++ b/lib/IR/Value.cpp @@ -118,7 +118,7 @@ bool Value::isUsedInBasicBlock(const BasicBlock *BB) const { for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I != E; ++I) { if (std::find(I->op_begin(), I->op_end(), this) != I->op_end()) return true; - if (MaxBlockSize-- == 0) // If the block is larger fall back to use_iterator + if (--MaxBlockSize == 0) // If the block is larger fall back to use_iterator break; } |