[cfe-commits] r76365 - /cfe/trunk/lib/CodeGen/CodeGenFunction.cpp
Daniel Dunbar
daniel at zuster.org
Sun Jul 19 01:24:34 PDT 2009
Author: ddunbar
Date: Sun Jul 19 03:24:34 2009
New Revision: 76365
URL: http://llvm.org/viewvc/llvm-project?rev=76365&view=rev
Log:
Catch another trivial case where we can avoid emitting a separate return blcok.
Modified:
cfe/trunk/lib/CodeGen/CodeGenFunction.cpp
Modified: cfe/trunk/lib/CodeGen/CodeGenFunction.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenFunction.cpp?rev=76365&r1=76364&r2=76365&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CodeGenFunction.cpp (original)
+++ cfe/trunk/lib/CodeGen/CodeGenFunction.cpp Sun Jul 19 03:24:34 2009
@@ -82,11 +82,12 @@
if (CurBB) {
assert(!CurBB->getTerminator() && "Unexpected terminated block.");
- // We have a valid insert point, reuse it if there are no explicit
- // jumps to the return block.
- if (ReturnBlock->use_empty())
+ // We have a valid insert point, reuse it if it is empty or there are no
+ // explicit jumps to the return block.
+ if (CurBB->empty() || ReturnBlock->use_empty()) {
+ ReturnBlock->replaceAllUsesWith(CurBB);
delete ReturnBlock;
- else
+ } else
EmitBlock(ReturnBlock);
return;
}
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