From 9e3d3abd937c9bb79d56d25ec0e0724c7cbba67c Mon Sep 17 00:00:00 2001
From: Dale Johannesen <dalej@apple.com>
Date: Fri, 14 Sep 2007 22:26:36 +0000
Subject: Remove the assumption that FP's are either float or double from some
 of the many places in the optimizers it appears, and do something reasonable
 with x86 long double. Make APInt::dump() public, remove newline, use it to
 dump ConstantSDNode's. Allow APFloats in FoldingSet. Expand X86 backend
 handling of long doubles (conversions to/from int, mostly).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41967 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Support/FoldingSet.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'lib/Support/FoldingSet.cpp')

diff --git a/lib/Support/FoldingSet.cpp b/lib/Support/FoldingSet.cpp
index 0ccb3a6cc3..70daad9a61 100644
--- a/lib/Support/FoldingSet.cpp
+++ b/lib/Support/FoldingSet.cpp
@@ -56,6 +56,12 @@ void FoldingSetImpl::NodeID::AddFloat(float F) {
 void FoldingSetImpl::NodeID::AddDouble(double D) {
  AddInteger(DoubleToBits(D));
 }
+void FoldingSetImpl::NodeID::AddAPFloat(const APFloat& apf) {
+  APInt api = apf.convertToAPInt();
+  const uint64_t *p = api.getRawData();
+  for (int i=0; i<api.getNumWords(); i++)
+    AddInteger(*p++);
+}
 void FoldingSetImpl::NodeID::AddString(const std::string &String) {
   unsigned Size = String.size();
   Bits.push_back(Size);
-- 
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