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[libclang] [OpenCL] Expose half type. 

Expose the half type (fp16) through libclang and the python bindings.

It seems CXType_LastBuiltin was not updated in b2ea6d9 ("Enable
support for __float128 in Clang", 2016-04-13), so update it now.

Add an Index test for OpenCL types; in the future we will add other
OpenCL types such as images to this test.

Patch by Sven van Haastregt.

Differential Revision: https://reviews.llvm.org/D29718

llvm-svn: 294754
This commit is contained in:
Joey Gouly 2017-02-10 15:51:11 +00:00
parent a72fad980c
commit 6ea21852af
4 changed files with 29 additions and 1 deletions
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1
clang/bindings/python/clang/cindex.py
View File

@ -1887,6 +1887,7 @@ TypeKind.OBJCID = TypeKind(27)
TypeKind.OBJCCLASS = TypeKind(28)
TypeKind.OBJCSEL = TypeKind(29)
TypeKind.FLOAT128 = TypeKind(30)
TypeKind.HALF = TypeKind(31)
TypeKind.COMPLEX = TypeKind(100)
TypeKind.POINTER = TypeKind(101)
TypeKind.BLOCKPOINTER = TypeKind(102)

3
clang/include/clang-c/Index.h
View File

@ -3011,8 +3011,9 @@ enum CXTypeKind {
CXType_ObjCClass = 28,
CXType_ObjCSel = 29,
CXType_Float128 = 30,
CXType_Half = 31,
CXType_FirstBuiltin = CXType_Void,
CXType_LastBuiltin = CXType_ObjCSel,
CXType_LastBuiltin = CXType_Half,
CXType_Complex = 100,
CXType_Pointer = 101,

24
clang/test/Index/opencl-types.cl Normal file
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@ -0,0 +1,24 @@
// RUN: c-index-test -test-print-type %s | FileCheck %s
#pragma OPENCL EXTENSION cl_khr_fp16 : enable
#pragma OPENCL EXTENSION cl_khr_fp64 : enable
typedef half half4 __attribute__((ext_vector_type(4)));
typedef float float4 __attribute__((ext_vector_type(4)));
typedef double double4 __attribute__((ext_vector_type(4)));
void kernel testFloatTypes() {
half scalarHalf;
half4 vectorHalf;
float scalarFloat;
float4 vectorFloat;
double scalarDouble;
double4 vectorDouble;
}
// CHECK: VarDecl=scalarHalf:11:8 (Definition) [type=half] [typekind=Half] [isPOD=1]
// CHECK: VarDecl=vectorHalf:12:9 (Definition) [type=half4] [typekind=Typedef] [canonicaltype=half __attribute__((ext_vector_type(4)))] [canonicaltypekind=Unexposed] [isPOD=1]
// CHECK: VarDecl=scalarFloat:13:9 (Definition) [type=float] [typekind=Float] [isPOD=1]
// CHECK: VarDecl=vectorFloat:14:10 (Definition) [type=float4] [typekind=Typedef] [canonicaltype=float __attribute__((ext_vector_type(4)))] [canonicaltypekind=Unexposed] [isPOD=1]
// CHECK: VarDecl=scalarDouble:15:10 (Definition) [type=double] [typekind=Double] [isPOD=1]
// CHECK: VarDecl=vectorDouble:16:11 (Definition) [type=double4] [typekind=Typedef] [canonicaltype=double __attribute__((ext_vector_type(4)))] [canonicaltypekind=Unexposed] [isPOD=1]

2
clang/tools/libclang/CXType.cpp
View File

@ -48,6 +48,7 @@ static CXTypeKind GetBuiltinTypeKind(const BuiltinType *BT) {
BTCASE(Long);
BTCASE(LongLong);
BTCASE(Int128);
BTCASE(Half);
BTCASE(Float);
BTCASE(Double);
BTCASE(LongDouble);
@ -503,6 +504,7 @@ CXString clang_getTypeKindSpelling(enum CXTypeKind K) {
TKIND(Long);
TKIND(LongLong);
TKIND(Int128);
TKIND(Half);
TKIND(Float);
TKIND(Double);
TKIND(LongDouble);