[llvm-commits] [llvm] r66234 - /llvm/trunk/lib/CodeGen/StackProtector.cpp

Bill Wendling isanbard at gmail.com
Thu Mar 5 17:41:15 PST 2009

Author: void
Date: Thu Mar  5 19:41:15 2009
New Revision: 66234

URL: http://llvm.org/viewvc/llvm-project?rev=66234&view=rev
When we split a basic block, there's a default branch to the newly created BB.
Delete this default branch, because we're going to generate our own.


Modified: llvm/trunk/lib/CodeGen/StackProtector.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/StackProtector.cpp?rev=66234&r1=66233&r2=66234&view=diff

--- llvm/trunk/lib/CodeGen/StackProtector.cpp (original)
+++ llvm/trunk/lib/CodeGen/StackProtector.cpp Thu Mar  5 19:41:15 2009
@@ -191,6 +191,9 @@
     // Split the basic block before the return instruction.
     BasicBlock *NewBB = BB->splitBasicBlock(RI, "SP_return");
+    // Remove default branch instruction to the new BB.
+    BB->getTerminator()->eraseFromParent();
     // Move the newly created basic block to the point right after the old basic
     // block so that it's in the "fall through" position.

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