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, 19 insertions, 0 deletions

diff --git a/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
index ebf6b28..00b261b 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
@@ -259,6 +259,10 @@ bool DAGTypeLegalizer::run() {
         WidenVectorResult(N, i);
         Changed = true;
         goto NodeDone;
+      case TargetLowering::TypePromoteFloat:
+        PromoteFloatResult(N, i);
+        Changed = true;
+        goto NodeDone;
       }
     }
 
@@ -308,6 +312,10 @@ ScanOperands:
         NeedsReanalyzing = WidenVectorOperand(N, i);
         Changed = true;
         break;
+      case TargetLowering::TypePromoteFloat:
+        NeedsReanalyzing = PromoteFloatOperand(N, i);
+        Changed = true;
+        break;
       }
       break;
     }
@@ -753,6 +761,17 @@ void DAGTypeLegalizer::SetSoftenedFloat(SDValue Op, SDValue Result) {
   OpEntry = Result;
 }
 
+void DAGTypeLegalizer::SetPromotedFloat(SDValue Op, SDValue Result) {
+  assert(Result.getValueType() ==
+         TLI.getTypeToTransformTo(*DAG.getContext(), Op.getValueType()) &&
+         "Invalid type for promoted float");
+  AnalyzeNewValue(Result);
+
+  SDValue &OpEntry = PromotedFloats[Op];
+  assert(!OpEntry.getNode() && "Node is already promoted!");
+  OpEntry = Result;
+}
+
 void DAGTypeLegalizer::SetScalarizedVector(SDValue Op, SDValue Result) {
   // Note that in some cases vector operation operands may be greater than
   // the vector element type. For example BUILD_VECTOR of type <1 x i1> with