diff options
Diffstat (limited to 'lib/CodeGen/CGStmt.cpp')
| -rw-r--r-- | lib/CodeGen/CGStmt.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/CGStmt.cpp b/lib/CodeGen/CGStmt.cpp index 7c65b3c437..5c1fea4472 100644 --- a/lib/CodeGen/CGStmt.cpp +++ b/lib/CodeGen/CGStmt.cpp @@ -237,6 +237,10 @@ void CodeGenFunction::SimplifyForwardingBlocks(llvm::BasicBlock *BB) { if (!BI || !BI->isUnconditional()) return; + // Can only simplify empty blocks. + if (BI != BB->begin()) + return; + BB->replaceAllUsesWith(BI->getSuccessor(0)); BI->eraseFromParent(); BB->eraseFromParent(); |