Handle the case where EmitBlock might be called multiple times for the same block. Fixes PR3536.

llvm-svn: 64252
This commit is contained in:
Anders Carlsson 2009-02-10 22:50:24 +00:00
parent d7264430e6
commit 7ccf3e4e28
2 changed files with 19 additions and 2 deletions

View File

@ -182,8 +182,14 @@ void CodeGenFunction::EmitBlock(llvm::BasicBlock *BB, bool IsFinished) {
// If necessary, associate the block with the cleanup stack size.
if (!CleanupEntries.empty()) {
BlockScopes[BB] = CleanupEntries.size() - 1;
CleanupEntries.back().Blocks.push_back(BB);
// Check if the basic block has already been inserted.
BlockScopeMap::iterator I = BlockScopes.find(BB);
if (I != BlockScopes.end()) {
assert(I->second == CleanupEntries.size() - 1);
} else {
BlockScopes[BB] = CleanupEntries.size() - 1;
CleanupEntries.back().Blocks.push_back(BB);
}
}
CurFn->getBasicBlockList().push_back(BB);

View File

@ -18,3 +18,14 @@ int f0(int x) {
int vla[x];
return vla[x-1];
}
void
f(int count)
{
int a[count];
do { } while (0);
if (a[0] != 3) {
}
}