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authorDaniel Dunbar <daniel@zuster.org>2009-08-19 23:37:23 +0000
committerDaniel Dunbar <daniel@zuster.org>2009-08-19 23:37:23 +0000
commita70ed4f7f6e87aa3a9c8d0e21b5bd92eeab3b521 (patch)
tree502627278cfd8c0fef0e70a0bf771c7af58e9489 /include/llvm/ADT
parent2a19e973cf0c15c4744b0d54bb5f4f2ced979570 (diff)
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Add a fast path for setName("") on an unnamed value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79492 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/ADT')
-rw-r--r--include/llvm/ADT/Twine.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/llvm/ADT/Twine.h b/include/llvm/ADT/Twine.h
index 2c6ba0b..88fde0a 100644
--- a/include/llvm/ADT/Twine.h
+++ b/include/llvm/ADT/Twine.h
@@ -321,6 +321,16 @@ namespace llvm {
}
/// @}
+ /// @name Predicate Operations
+ /// @{
+
+ /// isTriviallyEmpty - Check if this twine is trivially empty; a false
+ /// return value does not necessarily mean the twine is empty.
+ bool isTriviallyEmpty() const {
+ return isNullary();
+ }
+
+ /// @}
/// @name String Operations
/// @{