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add an assertion

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31272 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-10-28 18:21:51 +00:00
parent 5f8d61bbd8
commit c4aacac056
1 changed files with 1 additions and 0 deletions
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include/llvm/CodeGen/MachineJumpTableInfo.h
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@ -64,6 +64,7 @@ public:
/// ReplaceMBBInJumpTables - If Old is the target of any jump tables, update
/// the jump tables to branch to New instead.
bool ReplaceMBBInJumpTables(MachineBasicBlock *Old, MachineBasicBlock *New) {
assert(Old != New && "Not making a change?");
bool MadeChange = false;
for (unsigned i = 0, e = JumpTables.size(); i != e; ++i) {
MachineJumpTableEntry &JTE = JumpTables[i];