[OpenCL] Pipe type support

Summary:
Support for OpenCL 2.0 pipe type.
This is a bug-fix version for bader's patch reviews.llvm.org/D14441


Reviewers: pekka.jaaskelainen, Anastasia

Subscribers: bader, Anastasia, cfe-commits

Differential Revision: http://reviews.llvm.org/D15603

llvm-svn: 257254

1 files changed, 14 insertions, 0 deletions

diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp
index a279475eeaf..833ff57e4d0 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -5640,6 +5640,17 @@ QualType ASTReader::readTypeRecord(unsigned Index) {
     QualType ValueType = readType(*Loc.F, Record, Idx);
     return Context.getAtomicType(ValueType);
   }
+
+  case TYPE_PIPE: {
+    if (Record.size() != 1) {
+      Error("Incorrect encoding of pipe type");
+      return QualType();
+    }
+
+    // Reading the pipe element type.
+    QualType ElementType = readType(*Loc.F, Record, Idx);
+    return Context.getPipeType(ElementType);
+  }
   }
   llvm_unreachable("Invalid TypeCode!");
 }
@@ -5911,6 +5922,9 @@ void TypeLocReader::VisitAtomicTypeLoc(AtomicTypeLoc TL) {
   TL.setLParenLoc(ReadSourceLocation(Record, Idx));
   TL.setRParenLoc(ReadSourceLocation(Record, Idx));
 }
+void TypeLocReader::VisitPipeTypeLoc(PipeTypeLoc TL) {
+  TL.setKWLoc(ReadSourceLocation(Record, Idx));
+}
 
 TypeSourceInfo *ASTReader::GetTypeSourceInfo(ModuleFile &F,
                                              const RecordData &Record,