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| author | Victor Hernandez <vhernandez@apple.com> | 2010-01-18 22:55:08 +0000 |
|---|---|---|
| committer | Victor Hernandez <vhernandez@apple.com> | 2010-01-18 22:55:08 +0000 |
| commit | 6cead7879aa8902905809e3853d31093a5511c2f (patch) | |
| tree | 16a8e78937aae341d138be37d491c4b814e5cde2 /include | |
| parent | 74733a7e46553e37295de9014c5d8a4bd59a0355 (diff) | |
| download | llvm-6cead7879aa8902905809e3853d31093a5511c2f.tar.gz llvm-6cead7879aa8902905809e3853d31093a5511c2f.tar.bz2 llvm-6cead7879aa8902905809e3853d31093a5511c2f.tar.xz | |
Add comment that MDNode::getFunction() is not to be used by performance-critical code (currently only used by AsmWriter)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93802 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
| -rw-r--r-- | include/llvm/Metadata.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/llvm/Metadata.h b/include/llvm/Metadata.h index 179010b165..f64978cab4 100644 --- a/include/llvm/Metadata.h +++ b/include/llvm/Metadata.h @@ -154,7 +154,8 @@ public: // getFunction - If this metadata is function-local and recursively has a // function-local operand, return the first such operand's parent function. - // Otherwise, return null. + // Otherwise, return null. getFunction() should not be used for performance- + // critical code because it recursively visits all the MDNode's operands. Function *getFunction() const; // destroy - Delete this node. Only when there are no uses. |