Add support to FoldingSet for hashing APInt objects.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46833 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/ADT/FoldingSet.h b/include/llvm/ADT/FoldingSet.h
index d009761..ac7f428 100644
--- a/include/llvm/ADT/FoldingSet.h
+++ b/include/llvm/ADT/FoldingSet.h
@@ -22,6 +22,7 @@
namespace llvm {
class APFloat;
+ class APInt;
/// This folding set used for two purposes:
/// 1. Given information about a node we want to create, look up the unique
@@ -206,6 +207,7 @@
void AddFloat(float F);
void AddDouble(double D);
void AddAPFloat(const APFloat& apf);
+ void AddAPInt(const APInt& api);
void AddString(const std::string &String);
/// clear - Clear the accumulated profile, allowing this FoldingSetNodeID
diff --git a/lib/Support/FoldingSet.cpp b/lib/Support/FoldingSet.cpp
index 774fbab..b2d3483 100644
--- a/lib/Support/FoldingSet.cpp
+++ b/lib/Support/FoldingSet.cpp
@@ -16,6 +16,7 @@
#include "llvm/ADT/FoldingSet.h"
#include "llvm/ADT/APFloat.h"
+#include "llvm/ADT/APInt.h"
#include "llvm/Support/MathExtras.h"
#include <cassert>
using namespace llvm;
@@ -59,6 +60,9 @@
}
void FoldingSetNodeID::AddAPFloat(const APFloat& apf) {
APInt api = apf.convertToAPInt();
+ AddAPInt(api);
+}
+void FoldingSetNodeID::AddAPInt(const APInt& api) {
const uint64_t *p = api.getRawData();
for (unsigned i=0; i<api.getNumWords(); i++)
AddInteger(*p++);