Author: Igor Gorban Date: 2026-05-25T22:48:43-07:00 New Revision: d4550cc82efa06745192f78120e1acfc7892b35d
URL: https://github.com/llvm/llvm-project/commit/d4550cc82efa06745192f78120e1acfc7892b35d DIFF: https://github.com/llvm/llvm-project/commit/d4550cc82efa06745192f78120e1acfc7892b35d.diff LOG: [OpenCL] Add cl_intel_bfloat16_conversions builtins (#199422) Add cl_intel_bfloat16_conversions declarations to OpenCLBuiltins.td and cover the extension with a dedicated header-free SPIR test. Specification: https://registry.khronos.org/OpenCL/extensions/intel/cl_intel_bfloat16_conversions.html Co-authored-by: Copilot Added: clang/test/SemaOpenCL/intel-bfloat16-conversions-builtins.cl Modified: clang/lib/Sema/OpenCLBuiltins.td Removed: ################################################################################ diff --git a/clang/lib/Sema/OpenCLBuiltins.td b/clang/lib/Sema/OpenCLBuiltins.td index dd96e5ac84bd3..d0c4b4ae58880 100644 --- a/clang/lib/Sema/OpenCLBuiltins.td +++ b/clang/lib/Sema/OpenCLBuiltins.td @@ -1902,6 +1902,7 @@ def FuncExtIntelSubgroupsChar : FunctionExtension<"cl_intel_subgroups_char">; def FuncExtIntelSubgroupsLong : FunctionExtension<"cl_intel_subgroups_long">; def FuncExtIntelSubgroupBufferPrefetch : FunctionExtension<"cl_intel_subgroup_buffer_prefetch">; def FuncExtIntelSubgroupLocalBlockIO : FunctionExtension<"cl_intel_subgroup_local_block_io">; +def FuncExtIntelBfloat16Conversions : FunctionExtension<"cl_intel_bfloat16_conversions">; def FuncExtIntelSubgroupsRWImages : FunctionExtension<"cl_intel_subgroups __opencl_c_read_write_images">; def FuncExtIntelSubgroupsShortRWImages : FunctionExtension<"cl_intel_subgroups_short __opencl_c_read_write_images">; def FuncExtIntelSubgroupsCharRWImages : FunctionExtension<"cl_intel_subgroups_char __opencl_c_read_write_images">; @@ -2268,6 +2269,22 @@ let Extension = FuncExtIntelSubgroupsLongLocalBlockIO in { def : Builtin<"intel_sub_group_block_write_ul8", [Void, PointerType<ULong, LocalAS>, VectorType<ULong, 8>], Attr.Convergent>; } +let Extension = FuncExtIntelBfloat16Conversions in { + def : Builtin<"intel_convert_bfloat16_as_ushort", [UShort, Float], Attr.Const>; + def : Builtin<"intel_convert_bfloat162_as_ushort2", [VectorType<UShort, 2>, VectorType<Float, 2>], Attr.Const>; + def : Builtin<"intel_convert_bfloat163_as_ushort3", [VectorType<UShort, 3>, VectorType<Float, 3>], Attr.Const>; + def : Builtin<"intel_convert_bfloat164_as_ushort4", [VectorType<UShort, 4>, VectorType<Float, 4>], Attr.Const>; + def : Builtin<"intel_convert_bfloat168_as_ushort8", [VectorType<UShort, 8>, VectorType<Float, 8>], Attr.Const>; + def : Builtin<"intel_convert_bfloat1616_as_ushort16", [VectorType<UShort, 16>, VectorType<Float, 16>], Attr.Const>; + + def : Builtin<"intel_convert_as_bfloat16_float", [Float, UShort], Attr.Const>; + def : Builtin<"intel_convert_as_bfloat162_float2", [VectorType<Float, 2>, VectorType<UShort, 2>], Attr.Const>; + def : Builtin<"intel_convert_as_bfloat163_float3", [VectorType<Float, 3>, VectorType<UShort, 3>], Attr.Const>; + def : Builtin<"intel_convert_as_bfloat164_float4", [VectorType<Float, 4>, VectorType<UShort, 4>], Attr.Const>; + def : Builtin<"intel_convert_as_bfloat168_float8", [VectorType<Float, 8>, VectorType<UShort, 8>], Attr.Const>; + def : Builtin<"intel_convert_as_bfloat1616_float16", [VectorType<Float, 16>, VectorType<UShort, 16>], Attr.Const>; +} + //-------------------------------------------------------------------- // Arm extensions. let Extension = ArmIntegerDotProductInt8 in { diff --git a/clang/test/SemaOpenCL/intel-bfloat16-conversions-builtins.cl b/clang/test/SemaOpenCL/intel-bfloat16-conversions-builtins.cl new file mode 100644 index 0000000000000..42883789905e0 --- /dev/null +++ b/clang/test/SemaOpenCL/intel-bfloat16-conversions-builtins.cl @@ -0,0 +1,65 @@ +// RUN: %clang_cc1 -triple spir-unknown-unknown -cl-std=CL3.0 -fdeclare-opencl-builtins -verify -fsyntax-only %s +// expected-no-diagnostics + +// Keep this test header-free so it exercises OpenCLBuiltins.td instead of +// declarations from opencl-c.h. + +typedef unsigned short ushort; +typedef float float2 __attribute__((ext_vector_type(2))); +typedef float float3 __attribute__((ext_vector_type(3))); +typedef float float4 __attribute__((ext_vector_type(4))); +typedef float float8 __attribute__((ext_vector_type(8))); +typedef float float16 __attribute__((ext_vector_type(16))); +typedef ushort ushort2 __attribute__((ext_vector_type(2))); +typedef ushort ushort3 __attribute__((ext_vector_type(3))); +typedef ushort ushort4 __attribute__((ext_vector_type(4))); +typedef ushort ushort8 __attribute__((ext_vector_type(8))); +typedef ushort ushort16 __attribute__((ext_vector_type(16))); + +ushort test_convert_bfloat16_as_ushort(float source) { + return intel_convert_bfloat16_as_ushort(source); +} + +ushort2 test_convert_bfloat162_as_ushort2(float2 source) { + return intel_convert_bfloat162_as_ushort2(source); +} + +ushort3 test_convert_bfloat163_as_ushort3(float3 source) { + return intel_convert_bfloat163_as_ushort3(source); +} + +ushort4 test_convert_bfloat164_as_ushort4(float4 source) { + return intel_convert_bfloat164_as_ushort4(source); +} + +ushort8 test_convert_bfloat168_as_ushort8(float8 source) { + return intel_convert_bfloat168_as_ushort8(source); +} + +ushort16 test_convert_bfloat1616_as_ushort16(float16 source) { + return intel_convert_bfloat1616_as_ushort16(source); +} + +float test_convert_as_bfloat16_float(ushort source) { + return intel_convert_as_bfloat16_float(source); +} + +float2 test_convert_as_bfloat162_float2(ushort2 source) { + return intel_convert_as_bfloat162_float2(source); +} + +float3 test_convert_as_bfloat163_float3(ushort3 source) { + return intel_convert_as_bfloat163_float3(source); +} + +float4 test_convert_as_bfloat164_float4(ushort4 source) { + return intel_convert_as_bfloat164_float4(source); +} + +float8 test_convert_as_bfloat168_float8(ushort8 source) { + return intel_convert_as_bfloat168_float8(source); +} + +float16 test_convert_as_bfloat1616_float16(ushort16 source) { + return intel_convert_as_bfloat1616_float16(source); +} _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
