Update aosp/master LLVM with patches for fp16

Cherry-pick LLVM revisions r235191, r235215, r235220, r235341, r235363,
r235530, r235609, r235610, r237004

r235191 has a required bug-fix and the rest are all related to fp16.

Change-Id: I7fe8da5ffd8f2c06150885a54769abd18c3a04c6
(cherry picked from commit a18e6af1712fd41c4a705a19ad71f6e9ac7a4e68)

1 files changed, 44 insertions, 1 deletions

diff --git a/lib/CodeGen/SelectionDAG/LegalizeTypes.h b/lib/CodeGen/SelectionDAG/LegalizeTypes.h
index 9de85d7..58d6282 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeTypes.h
+++ b/lib/CodeGen/SelectionDAG/LegalizeTypes.h
@@ -93,6 +93,11 @@ private:
   /// the same size, this map indicates the converted value to use.
   SmallDenseMap<SDValue, SDValue, 8> SoftenedFloats;
 
+  /// PromotedFloats - For floating point nodes that have a smaller precision
+  /// than the smallest supported precision, this map indicates what promoted
+  /// value to use.
+  SmallDenseMap<SDValue, SDValue, 8> PromotedFloats;
+
   /// ExpandedFloats - For float nodes that need to be expanded this map
   /// indicates which operands are the expanded version of the input.
   SmallDenseMap<SDValue, std::pair<SDValue, SDValue>, 8> ExpandedFloats;
@@ -499,6 +504,44 @@ private:
   void FloatExpandSetCCOperands(SDValue &NewLHS, SDValue &NewRHS,
                                 ISD::CondCode &CCCode, SDLoc dl);
 
+
+  //===--------------------------------------------------------------------===//
+  // Float promotion support: LegalizeFloatTypes.cpp
+  //===--------------------------------------------------------------------===//
+
+  SDValue GetPromotedFloat(SDValue Op) {
+    SDValue &PromotedOp = PromotedFloats[Op];
+    RemapValue(PromotedOp);
+    assert(PromotedOp.getNode() && "Operand wasn't promoted?");
+    return PromotedOp;
+  }
+  void SetPromotedFloat(SDValue Op, SDValue Result);
+
+  void PromoteFloatResult(SDNode *N, unsigned ResNo);
+  SDValue PromoteFloatRes_BITCAST(SDNode *N);
+  SDValue PromoteFloatRes_BinOp(SDNode *N);
+  SDValue PromoteFloatRes_ConstantFP(SDNode *N);
+  SDValue PromoteFloatRes_EXTRACT_VECTOR_ELT(SDNode *N);
+  SDValue PromoteFloatRes_FCOPYSIGN(SDNode *N);
+  SDValue PromoteFloatRes_FMAD(SDNode *N);
+  SDValue PromoteFloatRes_FPOWI(SDNode *N);
+  SDValue PromoteFloatRes_FP_ROUND(SDNode *N);
+  SDValue PromoteFloatRes_LOAD(SDNode *N);
+  SDValue PromoteFloatRes_SELECT(SDNode *N);
+  SDValue PromoteFloatRes_SELECT_CC(SDNode *N);
+  SDValue PromoteFloatRes_UnaryOp(SDNode *N);
+  SDValue PromoteFloatRes_UNDEF(SDNode *N);
+  SDValue PromoteFloatRes_XINT_TO_FP(SDNode *N);
+
+  bool PromoteFloatOperand(SDNode *N, unsigned ResNo);
+  SDValue PromoteFloatOp_BITCAST(SDNode *N, unsigned OpNo);
+  SDValue PromoteFloatOp_FCOPYSIGN(SDNode *N, unsigned OpNo);
+  SDValue PromoteFloatOp_FP_EXTEND(SDNode *N, unsigned OpNo);
+  SDValue PromoteFloatOp_FP_TO_XINT(SDNode *N, unsigned OpNo);
+  SDValue PromoteFloatOp_STORE(SDNode *N, unsigned OpNo);
+  SDValue PromoteFloatOp_SELECT_CC(SDNode *N, unsigned OpNo);
+  SDValue PromoteFloatOp_SETCC(SDNode *N, unsigned OpNo);
+
   //===--------------------------------------------------------------------===//
   // Scalarization Support: LegalizeVectorTypes.cpp
   //===--------------------------------------------------------------------===//
@@ -593,7 +636,7 @@ private:
   bool SplitVectorOperand(SDNode *N, unsigned OpNo);
   SDValue SplitVecOp_VSELECT(SDNode *N, unsigned OpNo);
   SDValue SplitVecOp_UnaryOp(SDNode *N);
-  SDValue SplitVecOp_TruncateHelper(SDNode *N, unsigned TruncateOp);
+  SDValue SplitVecOp_TruncateHelper(SDNode *N);
 
   SDValue SplitVecOp_BITCAST(SDNode *N);
   SDValue SplitVecOp_EXTRACT_SUBVECTOR(SDNode *N);