commit 9123666ed4ab82182b92f8d978a2801516dcd63d
author Douglas Gregor <dgregor@apple.com> Tue Dec 22 18:11:50 2009 +0000
committer Douglas Gregor <dgregor@apple.com> Tue Dec 22 18:11:50 2009 +0000
tree 06c1b32dc4e67518420a7e77924fb7528b491ed2
parent b4debaebedfeb3161cd7bce0d13f005ab442fa5e

Serialize the NoReturn bit on FunctionTypes for precompiled headers

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91911 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Frontend/PCHReader.cpp

diff --git a/lib/Frontend/PCHReader.cpp b/lib/Frontend/PCHReader.cpp
index 48ef2ac..2eabdc9 100644
--- a/lib/Frontend/PCHReader.cpp
+++ b/lib/Frontend/PCHReader.cpp
@@ -1854,17 +1854,18 @@
   }
 
   case pch::TYPE_FUNCTION_NO_PROTO: {
-    if (Record.size() != 1) {
+    if (Record.size() != 2) {
       Error("incorrect encoding of no-proto function type");
       return QualType();
     }
     QualType ResultType = GetType(Record[0]);
-    return Context->getFunctionNoProtoType(ResultType);
+    return Context->getFunctionNoProtoType(ResultType, Record[1]);
   }
 
   case pch::TYPE_FUNCTION_PROTO: {
     QualType ResultType = GetType(Record[0]);
-    unsigned Idx = 1;
+    bool NoReturn = Record[1];
+    unsigned Idx = 2;
     unsigned NumParams = Record[Idx++];
     llvm::SmallVector<QualType, 16> ParamTypes;
     for (unsigned I = 0; I != NumParams; ++I)
@@ -1880,7 +1881,7 @@
     return Context->getFunctionType(ResultType, ParamTypes.data(), NumParams,
                                     isVariadic, Quals, hasExceptionSpec,
                                     hasAnyExceptionSpec, NumExceptions,
-                                    Exceptions.data());
+                                    Exceptions.data(), NoReturn);
   }
 
   case pch::TYPE_UNRESOLVED_USING:

lib/Frontend/PCHWriter.cpp

diff --git a/lib/Frontend/PCHWriter.cpp b/lib/Frontend/PCHWriter.cpp
index 0e45168..124df63 100644
--- a/lib/Frontend/PCHWriter.cpp
+++ b/lib/Frontend/PCHWriter.cpp
@@ -144,6 +144,7 @@
 
 void PCHTypeWriter::VisitFunctionType(const FunctionType *T) {
   Writer.AddTypeRef(T->getResultType(), Record);
+  Record.push_back(T->getNoReturnAttr());
 }
 
 void PCHTypeWriter::VisitFunctionNoProtoType(const FunctionNoProtoType *T) {

test/PCH/functions.c

diff --git a/test/PCH/functions.c b/test/PCH/functions.c
index fd0c376..eb8579a 100644
--- a/test/PCH/functions.c
+++ b/test/PCH/functions.c
@@ -18,3 +18,8 @@
   g0(y); // expected-warning{{incompatible pointer types passing 'float *', expected 'int *'}}
   g0(x); 
 }
+
+void __attribute__((noreturn)) test_abort(int code) {
+  do_abort(code);
+}
+  

test/PCH/functions.h

diff --git a/test/PCH/functions.h b/test/PCH/functions.h
index bc28ad7..3972430 100644
--- a/test/PCH/functions.h
+++ b/test/PCH/functions.h
@@ -4,3 +4,5 @@
 float *f1(float x, float y);
 
 void g0(int *);
+
+void do_abort(int) __attribute__((noreturn));