llvm.isnan doesn't access memory

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14151 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Analysis/BasicAliasAnalysis.cpp b/lib/Analysis/BasicAliasAnalysis.cpp
index 5ccaa5c66c6ce33cbb383c3219fe76fb2d96f8c0..efaa7beb89baad1a845673c507152aa0b355d9be 100644 (file)
--- a/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/lib/Analysis/BasicAliasAnalysis.cpp
@@ -649,7 +649,7 @@ namespace {
 // that set errno on a domain or other error.
 static const char *DoesntAccessMemoryTable[] = {
   // LLVM intrinsics:
-  "llvm.frameaddress", "llvm.returnaddress", "llvm.readport",
+  "llvm.frameaddress", "llvm.returnaddress", "llvm.readport", "llvm.isnan",
 
   "abs", "labs", "llabs", "imaxabs", "fabs", "fabsf", "fabsl",
   "trunc", "truncf", "truncl", "ldexp",