Fix a minor bug, implementing GCSE/call_pure_function.ll
Also, add some stuff I missed before.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12417 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/BasicAliasAnalysis.cpp b/lib/Analysis/BasicAliasAnalysis.cpp
index 967b453..9b6258e 100644
--- a/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/lib/Analysis/BasicAliasAnalysis.cpp
@@ -186,9 +186,8 @@
return NoModRef;
}
- // If P points to a constant memory location, the call definitely could not
- // modify the memory location.
- return pointsToConstantMemory(P) ? Ref : ModRef;
+ // The AliasAnalysis base class has some smarts, lets use them.
+ return AliasAnalysis::getModRefInfo(CS, P, Size);
}
// alias - Provide a bunch of ad-hoc rules to disambiguate in common cases, such
@@ -597,12 +596,16 @@
"sin", "sinf", "sinl", "sinh", "sinhf", "sinhl",
"tan", "tanf", "tanl", "tanh", "tanhf", "tanhl",
+ // ctype.h
"isalnum", "isalpha", "iscntrl", "isdigit", "isgraph", "islower", "isprint"
"ispunct", "isspace", "isupper", "isxdigit", "tolower", "toupper",
+ // wctype.h"
"iswalnum", "iswalpha", "iswcntrl", "iswdigit", "iswgraph", "iswlower",
"iswprint", "iswpunct", "iswspace", "iswupper", "iswxdigit",
+ "iswctype", "towctrans", "towlower", "towupper",
+
"btowc", "wctob",
};