commit 37a175007bacf8d6db1f01d6a720613f4e41ce93
author Nick Lewycky <nicholas@mxc.ca> Wed May 13 23:41:47 2015 +0000
committer Nick Lewycky <nicholas@mxc.ca> Wed May 13 23:41:47 2015 +0000
tree 1032616a3703ca6e1b413a2b32ee5987727fe2a8
parent da04cb26435c91ba504090bf03905fca3b67f7bb

Revert r237046. See the testcase on the thread where r237046 was committed.

llvm-svn: 237317

llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index c7ef513..832437c 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -2139,8 +2139,6 @@
   bool nuw = false;
   bool nsw = false;
   bool exact = false;
-  FastMathFlags FMF;
-  
   if (const OverflowingBinaryOperator *OFBinOp =
           dyn_cast<const OverflowingBinaryOperator>(&I)) {
     nuw = OFBinOp->hasNoUnsignedWrap();
@@ -2149,20 +2147,9 @@
   if (const PossiblyExactOperator *ExactOp =
           dyn_cast<const PossiblyExactOperator>(&I))
     exact = ExactOp->isExact();
-  if (const FPMathOperator *FPOp = dyn_cast<const FPMathOperator>(&I))
-    FMF = FPOp->getFastMathFlags();
-  
-  SDNodeFlags Flags;
-  Flags.setExact(exact);
-  Flags.setNoSignedWrap(nsw);
-  Flags.setNoUnsignedWrap(nuw);
-  Flags.setAllowReciprocal(FMF.allowReciprocal());
-  Flags.setNoInfs(FMF.noInfs());
-  Flags.setNoNaNs(FMF.noNaNs());
-  Flags.setNoSignedZeros(FMF.noSignedZeros());
-  Flags.setUnsafeAlgebra(FMF.unsafeAlgebra());
+
   SDValue BinNodeValue = DAG.getNode(OpCode, getCurSDLoc(), Op1.getValueType(),
-                                     Op1, Op2, &Flags);
+                                     Op1, Op2, nuw, nsw, exact);
   setValue(&I, BinNodeValue);
 }
 
@@ -2210,12 +2197,9 @@
             dyn_cast<const PossiblyExactOperator>(&I))
       exact = ExactOp->isExact();
   }
-  SDNodeFlags Flags;
-  Flags.setExact(exact);
-  Flags.setNoSignedWrap(nsw);
-  Flags.setNoUnsignedWrap(nuw);
+
   SDValue Res = DAG.getNode(Opcode, getCurSDLoc(), Op1.getValueType(), Op1, Op2,
-                            &Flags);
+                            nuw, nsw, exact);
   setValue(&I, Res);
 }