add a predicate.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51842 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/ADT/APFloat.h b/include/llvm/ADT/APFloat.h
index 411d8add25f6f2e686603303a41c2f26c55d7e33..b3d3a061e5fcdfca08f85fefc1bfa4eaf5f2a4cf 100644 (file)
--- a/include/llvm/ADT/APFloat.h
+++ b/include/llvm/ADT/APFloat.h
@@ -244,6 +244,7 @@ namespace llvm {
     bool isZero() const { return category == fcZero; }
     bool isNonZero() const { return category != fcZero; }
     bool isNaN() const { return category == fcNaN; }
+    bool isInfinity() const { return category == fcInfinity; }
     bool isNegative() const { return sign; }
     bool isPosZero() const { return isZero() && !isNegative(); }
     bool isNegZero() const { return isZero() && isNegative(); }