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| author | Anders Carlsson <andersca@mac.com> | 2009-05-31 00:33:20 +0000 |
|---|---|---|
| committer | Anders Carlsson <andersca@mac.com> | 2009-05-31 00:33:20 +0000 |
| commit | f3f91cee43b3c7cce74a028c1af4783a7cb6fdc4 (patch) | |
| tree | 4d4b8b8f0ca6bfb5b08fb0bda21d3f71b0fad2fa /clang/lib/CodeGen | |
| parent | c0092ad333ef6823ced088081713e28737380e59 (diff) | |
| download | bcm5719-llvm-f3f91cee43b3c7cce74a028c1af4783a7cb6fdc4.tar.gz bcm5719-llvm-f3f91cee43b3c7cce74a028c1af4783a7cb6fdc4.zip | |
When possible, don't emit the cleanup block. Instead, just move the instructions to the current block.
llvm-svn: 72654
Diffstat (limited to 'clang/lib/CodeGen')
| -rw-r--r-- | clang/lib/CodeGen/CodeGenFunction.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/clang/lib/CodeGen/CodeGenFunction.cpp b/clang/lib/CodeGen/CodeGenFunction.cpp index 1a95e619157..672f6da502b 100644 --- a/clang/lib/CodeGen/CodeGenFunction.cpp +++ b/clang/lib/CodeGen/CodeGenFunction.cpp @@ -652,7 +652,13 @@ void CodeGenFunction::EmitCleanupBlock() { CleanupBlockInfo Info = PopCleanupBlock(); - EmitBlock(Info.CleanupBlock); + llvm::BasicBlock *CurBB = Builder.GetInsertBlock(); + if (CurBB && !CurBB->getTerminator() && + Info.CleanupBlock->getNumUses() == 0) { + CurBB->getInstList().splice(CurBB->end(), Info.CleanupBlock->getInstList()); + delete Info.CleanupBlock; + } else + EmitBlock(Info.CleanupBlock); if (Info.SwitchBlock) EmitBlock(Info.SwitchBlock); |
