From eee73f5fcff86c67f6958c3d34be5b2625d75931 Mon Sep 17 00:00:00 2001 From: Benjamin Kramer Date: Fri, 12 Apr 2013 08:33:11 +0000 Subject: Fix a disconcerting bug in Value::isUsedInBasicBlock, which gave wrong answers for blocks larger than 3 instrs. Also add a unit test. PR15727. llvm-svn: 179370 --- llvm/lib/IR/Value.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'llvm/lib') diff --git a/llvm/lib/IR/Value.cpp b/llvm/lib/IR/Value.cpp index adc702e05e6..e9eb012e6ce 100644 --- a/llvm/lib/IR/Value.cpp +++ b/llvm/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; } -- cgit v1.2.3