Implement codegen for __builtin_isnormal.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104118 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/builtins.c b/test/CodeGen/builtins.c
index b6a4a68..8b61258 100644
--- a/test/CodeGen/builtins.c
+++ b/test/CodeGen/builtins.c
@@ -185,5 +185,13 @@
   // CHECK: call float @fabsf
   // CHECK: fcmp une float {{.*}}, 0x7FF0000000000000
   // CHECK: and i1 
+
+  res = __builtin_isnormal(F);
+  // CHECK: fcmp oeq float
+  // CHECK: call float @fabsf
+  // CHECK: fcmp ult float {{.*}}, 0x7FF0000000000000
+  // CHECK: fcmp uge float {{.*}}, 0x3810000000000000
+  // CHECK: and i1
+  // CHECK: and i1
 }