| ; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv64-unknown-unknown --spirv-ext=+SPV_INTEL_function_pointers %s -o - | FileCheck %s |
| ; TODO: %if spirv-tools %{ llc -O0 -mtriple=spirv64-unknown-unknown --spirv-ext=+SPV_INTEL_function_pointers %s -o - -filetype=obj | spirv-val %} |
| |
| ; CHECK: OpCapability Kernel |
| ; CHECK-DAG: OpCapability FunctionPointersINTEL |
| ; CHECK-DAG: OpExtension "SPV_INTEL_function_pointers" |
| ; CHECK-DAG: OpName %[[#fArray:]] "array" |
| ; CHECK-DAG: OpName %[[#fStruct:]] "struct" |
| |
| ; CHECK-DAG: %[[#Int8Ty:]] = OpTypeInt 8 0 |
| ; CHECK: %[[#GlobalInt8PtrTy:]] = OpTypePointer CrossWorkgroup %[[#Int8Ty]] |
| ; CHECK: %[[#VoidTy:]] = OpTypeVoid |
| ; CHECK: %[[#TestFnTy:]] = OpTypeFunction %[[#VoidTy]] %[[#GlobalInt8PtrTy]] |
| ; CHECK: %[[#F16Ty:]] = OpTypeFloat 16 |
| ; CHECK: %[[#t_halfTy:]] = OpTypeStruct %[[#F16Ty]] |
| ; CHECK: %[[#FnTy:]] = OpTypeFunction %[[#t_halfTy]] %[[#GlobalInt8PtrTy]] %[[#t_halfTy]] |
| ; CHECK: %[[#IntelFnPtrTy:]] = OpTypePointer CodeSectionINTEL %[[#FnTy]] |
| ; CHECK: %[[#Int8PtrTy:]] = OpTypePointer Function %[[#Int8Ty]] |
| ; CHECK: %[[#Int32Ty:]] = OpTypeInt 32 0 |
| ; CHECK: %[[#I32Const3:]] = OpConstant %[[#Int32Ty]] 3 |
| ; CHECK: %[[#FnArrTy:]] = OpTypeArray %[[#Int8PtrTy]] %[[#I32Const3]] |
| ; CHECK: %[[#GlobalFnArrPtrTy:]] = OpTypePointer CrossWorkgroup %[[#FnArrTy]] |
| ; CHECK: %[[#GlobalFnPtrTy:]] = OpTypePointer CrossWorkgroup %[[#FnTy]] |
| ; CHECK: %[[#FnPtrTy:]] = OpTypePointer Function %[[#FnTy]] |
| ; CHECK: %[[#StructWithPfnTy:]] = OpTypeStruct %[[#FnPtrTy]] %[[#FnPtrTy]] %[[#FnPtrTy]] |
| ; CHECK: %[[#ArrayOfPfnTy:]] = OpTypeArray %[[#FnPtrTy]] %[[#I32Const3]] |
| ; CHECK: %[[#Int64Ty:]] = OpTypeInt 64 0 |
| ; CHECK: %[[#GlobalStructWithPfnPtrTy:]] = OpTypePointer CrossWorkgroup %[[#StructWithPfnTy]] |
| ; CHECK: %[[#GlobalArrOfPfnPtrTy:]] = OpTypePointer CrossWorkgroup %[[#ArrayOfPfnTy]] |
| ; CHECK: %[[#I64Const2:]] = OpConstant %[[#Int64Ty]] 2 |
| ; CHECK: %[[#I64Const1:]] = OpConstant %[[#Int64Ty]] 1 |
| ; CHECK: %[[#I64Const0:]] = OpConstantNull %[[#Int64Ty]] |
| ; CHECK: %[[#f0Pfn:]] = OpConstantFunctionPointerINTEL %[[#IntelFnPtrTy]] %28 |
| ; CHECK: %[[#f1Pfn:]] = OpConstantFunctionPointerINTEL %[[#IntelFnPtrTy]] %32 |
| ; CHECK: %[[#f2Pfn:]] = OpConstantFunctionPointerINTEL %[[#IntelFnPtrTy]] %36 |
| ; CHECK: %[[#f0Cast:]] = OpSpecConstantOp %[[#FnPtrTy]] Bitcast %[[#f0Pfn]] |
| ; CHECK: %[[#f1Cast:]] = OpSpecConstantOp %[[#FnPtrTy]] Bitcast %[[#f1Pfn]] |
| ; CHECK: %[[#f2Cast:]] = OpSpecConstantOp %[[#FnPtrTy]] Bitcast %[[#f2Pfn]] |
| ; CHECK: %[[#fnptrTy:]] = OpConstantComposite %[[#ArrayOfPfnTy]] %[[#f0Cast]] %[[#f1Cast]] %[[#f2Cast]] |
| ; CHECK: %[[#fnptr:]] = OpVariable %[[#GlobalArrOfPfnPtrTy]] CrossWorkgroup %[[#fnptrTy]] |
| ; CHECK: %[[#fnstructTy:]] = OpConstantComposite %[[#StructWithPfnTy]] %[[#f0Cast]] %[[#f1Cast]] %[[#f2Cast]] |
| ; CHECK: %[[#fnstruct:]] = OpVariable %[[#GlobalStructWithPfnPtrTy:]] CrossWorkgroup %[[#fnstructTy]] |
| ; CHECK-DAG: %[[#GlobalInt8PtrPtrTy:]] = OpTypePointer CrossWorkgroup %[[#Int8PtrTy]] |
| ; CHECK: %[[#StructWithPtrTy:]] = OpTypeStruct %[[#Int8PtrTy]] %[[#Int8PtrTy]] %[[#Int8PtrTy]] |
| ; CHECK: %[[#GlobalStructWithPtrPtrTy:]] = OpTypePointer CrossWorkgroup %[[#StructWithPtrTy]] |
| ; CHECK: %[[#I32Const2:]] = OpConstant %[[#Int32Ty]] 2 |
| ; CHECK: %[[#I32Const1:]] = OpConstant %[[#Int32Ty]] 1 |
| ; CHECK: %[[#I32Const0:]] = OpConstantNull %[[#Int32Ty]] |
| ; CHECK: %[[#GlobalFnPtrPtrTy:]] = OpTypePointer CrossWorkgroup %[[#FnPtrTy]] |
| %t_half = type { half } |
| %struct.anon = type { ptr, ptr, ptr } |
| |
| declare spir_func %t_half @f0(ptr addrspace(1) %a, %t_half %b) |
| declare spir_func %t_half @f1(ptr addrspace(1) %a, %t_half %b) |
| declare spir_func %t_half @f2(ptr addrspace(1) %a, %t_half %b) |
| |
| @fnptr = addrspace(1) constant [3 x ptr] [ptr @f0, ptr @f1, ptr @f2] |
| @fnstruct = addrspace(1) constant %struct.anon { ptr @f0, ptr @f1, ptr @f2 }, align 8 |
| |
| ; CHECK-DAG: %[[#fArray]] = OpFunction %[[#VoidTy]] None %[[#TestFnTy]] |
| ; CHECK-DAG: %[[#fnptrCast:]] = OpBitcast %[[#GlobalFnArrPtrTy]] %[[#fnptr]] |
| ; CHECK: %[[#f0GEP:]] = OpInBoundsPtrAccessChain %[[#GlobalFnArrPtrTy]] %[[#fnptrCast]] %[[#I64Const0]] |
| ; CHECK: %[[#f0GEPCast:]] = OpBitcast %[[#GlobalFnPtrTy]] %[[#f0GEP]] |
| ; CHECK: %[[#f1GEP:]] = OpInBoundsPtrAccessChain %[[#GlobalFnArrPtrTy]] %[[#fnptrCast]] %[[#I64Const1]] |
| ; CHECK: %[[#f1GEPCast:]] = OpBitcast %[[#GlobalFnPtrTy]] %[[#f1GEP]] |
| ; CHECK: %[[#f2GEP:]] = OpInBoundsPtrAccessChain %[[#GlobalFnArrPtrTy]] %[[#fnptrCast]] %[[#I64Const2]] |
| ; CHECK: %[[#f2GEPCast:]] = OpBitcast %[[#GlobalFnPtrTy]] %[[#f2GEP]] |
| ; CHECK: %{{.*}} = OpFunctionPointerCallINTEL %[[#t_halfTy]] %[[#f0GEPCast]] |
| ; CHECK: %{{.*}} = OpFunctionPointerCallINTEL %[[#t_halfTy]] %[[#f1GEPCast]] |
| ; CHECK: %{{.*}} = OpFunctionPointerCallINTEL %[[#t_halfTy]] %[[#f2GEPCast]] |
| define spir_func void @array(ptr addrspace(1) %p) { |
| entry: |
| %f = getelementptr inbounds [3 x ptr], ptr addrspace(1) @fnptr, i64 0 |
| %g = getelementptr inbounds [3 x ptr], ptr addrspace(1) @fnptr, i64 1 |
| %h = getelementptr inbounds [3 x ptr], ptr addrspace(1) @fnptr, i64 2 |
| %0 = call spir_func addrspace(1) %t_half %f(ptr addrspace(1) %p, %t_half poison) |
| %1 = call spir_func addrspace(1) %t_half %g(ptr addrspace(1) %p, %t_half %0) |
| %2 = call spir_func addrspace(1) %t_half %h(ptr addrspace(1) %p, %t_half %1) |
| |
| ret void |
| } |
| |
| ; CHECK-DAG: %[[#fStruct]] = OpFunction %[[#VoidTy]] None %[[#TestFnTy]] |
| ; CHECK-DAG: %[[#fnStructCast0:]] = OpBitcast %[[#GlobalInt8PtrPtrTy]] %[[#fnstruct]] |
| ; CHECK: %[[#fnStructCast1:]] = OpBitcast %[[#GlobalFnPtrPtrTy]] %[[#fnStructCast0]] |
| ; CHECK: %[[#f0Load:]] = OpLoad %[[#FnPtrTy]] %[[#fnStructCast1]] |
| ; CHECK: %[[#fnStructCast2:]] = OpBitcast %[[#GlobalStructWithPtrPtrTy]] %[[#fnstruct]] |
| ; CHECK: %[[#f1GEP:]] = OpInBoundsPtrAccessChain %[[#GlobalInt8PtrPtrTy]] %[[#fnStructCast2]] %[[#I32Const0]] %[[#I32Const1]] |
| ; CHECK: %[[#f1GEPCast:]] = OpBitcast %[[#GlobalFnPtrPtrTy]] %[[#f1GEP]] |
| ; CHECK: %[[#f1Load:]] = OpLoad %[[#FnPtrTy]] %[[#f1GEPCast]] |
| ; CHECK: %[[#f2GEP:]] = OpInBoundsPtrAccessChain %[[#GlobalInt8PtrPtrTy]] %[[#fnStructCast2]] %[[#I32Const0]] %[[#I32Const2]] |
| ; CHECK: %[[#f2GEPCast:]] = OpBitcast %[[#GlobalFnPtrPtrTy]] %[[#f2GEP]] |
| ; CHECK: %[[#f2Load:]] = OpLoad %[[#FnPtrTy]] %[[#f2GEPCast]] |
| ; CHECK: %{{.*}} = OpFunctionPointerCallINTEL %[[#t_halfTy]] %[[#f0Load]] |
| ; CHECK: %{{.*}} = OpFunctionPointerCallINTEL %[[#t_halfTy]] %[[#f1Load]] |
| ; CHECK: %{{.*}} = OpFunctionPointerCallINTEL %[[#t_halfTy]] %[[#f2Load]] |
| define spir_func void @struct(ptr addrspace(1) %p) { |
| entry: |
| %f = load ptr, ptr addrspace(1) @fnstruct |
| %g = load ptr, ptr addrspace(1) getelementptr inbounds (%struct.anon, ptr addrspace(1) @fnstruct, i32 0, i32 1) |
| %h = load ptr, ptr addrspace(1) getelementptr inbounds (%struct.anon, ptr addrspace(1) @fnstruct, i32 0, i32 2) |
| %0 = call spir_func noundef %t_half %f(ptr addrspace(1) %p, %t_half poison) |
| %1 = call spir_func noundef %t_half %g(ptr addrspace(1) %p, %t_half %0) |
| %2 = call spir_func noundef %t_half %h(ptr addrspace(1) %p, %t_half %1) |
| |
| ret void |
| } |
