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| author | Bill Wendling <isanbard@gmail.com> | 2009-03-06 01:41:15 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2009-03-06 01:41:15 +0000 |
| commit | 6d8472b9cc39e0937be4ce02df6d25925fcf7b34 (patch) | |
| tree | 8c1107136afdea7639aae073394c9e6452ffdcad /llvm/lib/CodeGen/StackProtector.cpp | |
| parent | fc507a1f9c073fe1e7d7a557f0a8f6be5a05c72c (diff) | |
| download | bcm5719-llvm-6d8472b9cc39e0937be4ce02df6d25925fcf7b34.tar.gz bcm5719-llvm-6d8472b9cc39e0937be4ce02df6d25925fcf7b34.zip | |
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.
llvm-svn: 66234
Diffstat (limited to 'llvm/lib/CodeGen/StackProtector.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/StackProtector.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/StackProtector.cpp b/llvm/lib/CodeGen/StackProtector.cpp index 7c4d22df8bf..c333acd42a8 100644 --- a/llvm/lib/CodeGen/StackProtector.cpp +++ b/llvm/lib/CodeGen/StackProtector.cpp @@ -191,6 +191,9 @@ bool StackProtector::InsertStackProtectors() { // 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. NewBB->moveAfter(BB); |
