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/Analysis/TargetLibraryInfo.cpp b/llvm/lib/Analysis/TargetLibraryInfo.cpp
index be734fa..848e1b4 100644
--- a/llvm/lib/Analysis/TargetLibraryInfo.cpp
+++ b/llvm/lib/Analysis/TargetLibraryInfo.cpp
@@ -1176,6 +1176,10 @@
FTy.getParamType(0)->isPointerTy() &&
FTy.getParamType(1) == SizeTTy && FTy.getParamType(2) == SizeTTy);
+ case LibFunc_wcslen:
+ return (NumParams == 1 && FTy.getParamType(0)->isPointerTy() &&
+ FTy.getReturnType()->isIntegerTy());
+
case LibFunc::NumLibFuncs:
break;
}