Add support for isnan
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5111 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp b/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
index 89f64b1..79e730f 100644
--- a/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
+++ b/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
@@ -272,6 +272,14 @@
return GV;
}
+// int isnan(double value);
+GenericValue lle_X_isnan(FunctionType *F, const vector<GenericValue> &Args) {
+ assert(Args.size() == 1);
+ GenericValue GV;
+ GV.IntVal = isnan(Args[0].DoubleVal);
+ return GV;
+}
+
// double floor(double)
GenericValue lle_X_floor(FunctionType *M, const vector<GenericValue> &Args) {
assert(Args.size() == 1);
@@ -627,6 +635,7 @@
FuncNames["lle_X_pow"] = lle_X_pow;
FuncNames["lle_X_exp"] = lle_X_exp;
FuncNames["lle_X_log"] = lle_X_log;
+ FuncNames["lle_X_isnan"] = lle_X_isnan;
FuncNames["lle_X_floor"] = lle_X_floor;
FuncNames["lle_X_srand"] = lle_X_srand;
FuncNames["lle_X_drand48"] = lle_X_drand48;