TargetLibraryInfo: Introduce wcslen
wcslen is part of the C99 and C++98 standards.
- This introduces the function to TargetLibraryInfo.
- Also set attributes for wcslen in llvm::inferLibFuncAttributes().
Differential Revision: https://reviews.llvm.org/D32837
llvm-svn: 302278
diff --git a/llvm/lib/Transforms/Utils/BuildLibCalls.cpp b/llvm/lib/Transforms/Utils/BuildLibCalls.cpp
index 1956697..ebde1f9 100644
--- a/llvm/lib/Transforms/Utils/BuildLibCalls.cpp
+++ b/llvm/lib/Transforms/Utils/BuildLibCalls.cpp
@@ -113,6 +113,7 @@
bool Changed = false;
switch (TheLibFunc) {
case LibFunc_strlen:
+ case LibFunc_wcslen:
Changed |= setOnlyReadsMemory(F);
Changed |= setDoesNotThrow(F);
Changed |= setDoesNotCapture(F, 0);