derek.holloway
7502bf64a4
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118 lines
7.3 KiB
LLVM
118 lines
7.3 KiB
LLVM
; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv64-unknown-unknown --spirv-ext=+SPV_INTEL_function_pointers %s -o - | FileCheck %s
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; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv64-unknown-unknown --spirv-ext=+SPV_INTEL_function_pointers %s -o - -filetype=obj | spirv-val %}
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; CHECK: OpCapability Kernel
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; CHECK-DAG: OpCapability FunctionPointersINTEL
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; CHECK-DAG: OpExtension "SPV_INTEL_function_pointers"
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; CHECK-DAG: OpName %[[#fArray:]] "array"
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; CHECK-DAG: OpName %[[#fStruct:]] "struct"
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; CHECK-DAG: OpName %[[#f0:]] "f0"
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; CHECK-DAG: OpName %[[#f1:]] "f1"
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; CHECK-DAG: OpName %[[#f2:]] "f2"
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; CHECK-DAG: %[[#Int8Ty:]] = OpTypeInt 8 0
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; CHECK-DAG: %[[#GlobalInt8PtrTy:]] = OpTypePointer CrossWorkgroup %[[#Int8Ty]]
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; CHECK-DAG: %[[#VoidTy:]] = OpTypeVoid
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; CHECK-DAG: %[[#TestFnTy:]] = OpTypeFunction %[[#VoidTy]] %[[#GlobalInt8PtrTy]]
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; CHECK-DAG: %[[#F16Ty:]] = OpTypeFloat 16
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; CHECK-DAG: %[[#t_halfTy:]] = OpTypeStruct %[[#F16Ty]]
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; CHECK-DAG: %[[#FnTy:]] = OpTypeFunction %[[#t_halfTy]] %[[#GlobalInt8PtrTy]] %[[#t_halfTy]]
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; CHECK-DAG: %[[#IntelFnPtrTy:]] = OpTypePointer CodeSectionINTEL %[[#FnTy]]
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; CHECK-DAG: %[[#Int8PtrTy:]] = OpTypePointer Function %[[#Int8Ty]]
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; CHECK-DAG: %[[#Int32Ty:]] = OpTypeInt 32 0
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; CHECK-DAG: %[[#I32Const3:]] = OpConstant %[[#Int32Ty]] 3
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; CHECK-DAG: %[[#FnArrTy:]] = OpTypeArray %[[#Int8PtrTy]] %[[#I32Const3]]
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; CHECK-DAG: %[[#GlobalFnArrPtrTy:]] = OpTypePointer CrossWorkgroup %[[#FnArrTy]]
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; CHECK-DAG: %[[#GlobalFnPtrTy:]] = OpTypePointer CrossWorkgroup %[[#FnTy]]
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; CHECK-DAG: %[[#FnPtrTy:]] = OpTypePointer Function %[[#FnTy]]
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; CHECK-DAG: %[[#StructWithPfnTy:]] = OpTypeStruct %[[#FnPtrTy]] %[[#FnPtrTy]] %[[#FnPtrTy]]
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; CHECK-DAG: %[[#ArrayOfPfnTy:]] = OpTypeArray %[[#FnPtrTy]] %[[#I32Const3]]
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; CHECK-DAG: %[[#Int64Ty:]] = OpTypeInt 64 0
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; CHECK-DAG: %[[#GlobalStructWithPfnPtrTy:]] = OpTypePointer CrossWorkgroup %[[#StructWithPfnTy]]
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; CHECK-DAG: %[[#GlobalArrOfPfnPtrTy:]] = OpTypePointer CrossWorkgroup %[[#ArrayOfPfnTy]]
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; CHECK-DAG: %[[#I64Const2:]] = OpConstant %[[#Int64Ty]] 2
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; CHECK-DAG: %[[#I64Const1:]] = OpConstant %[[#Int64Ty]] 1
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; CHECK-DAG: %[[#I64Const0:]] = OpConstantNull %[[#Int64Ty]]
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; CHECK-DAG: %[[#f0Pfn:]] = OpConstantFunctionPointerINTEL %[[#IntelFnPtrTy]] %[[#f0]]
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; CHECK-DAG: %[[#f1Pfn:]] = OpConstantFunctionPointerINTEL %[[#IntelFnPtrTy]] %[[#f1]]
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; CHECK-DAG: %[[#f2Pfn:]] = OpConstantFunctionPointerINTEL %[[#IntelFnPtrTy]] %[[#f2]]
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; These constants appear twice (duplicated) at the moment
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; CHECK-DAG: %[[#f0Cast_0:]] = OpSpecConstantOp %[[#FnPtrTy]] Bitcast %[[#f0Pfn]]
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; CHECK-DAG: %[[#f1Cast_0:]] = OpSpecConstantOp %[[#FnPtrTy]] Bitcast %[[#f1Pfn]]
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; CHECK-DAG: %[[#f2Cast_0:]] = OpSpecConstantOp %[[#FnPtrTy]] Bitcast %[[#f2Pfn]]
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; CHECK-DAG: %[[#f0Cast_1:]] = OpSpecConstantOp %[[#FnPtrTy]] Bitcast %[[#f0Pfn]]
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; CHECK-DAG: %[[#f1Cast_1:]] = OpSpecConstantOp %[[#FnPtrTy]] Bitcast %[[#f1Pfn]]
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; CHECK-DAG: %[[#f2Cast_1:]] = OpSpecConstantOp %[[#FnPtrTy]] Bitcast %[[#f2Pfn]]
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; CHECK-DAG: %[[#fnptrTy:]] = OpSpecConstantComposite %[[#ArrayOfPfnTy]] %[[#f0Cast_0]] %[[#f1Cast_0]] %[[#f2Cast_0]]
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; CHECK-DAG: %[[#fnstructTy:]] = OpSpecConstantComposite %[[#StructWithPfnTy]] %[[#f0Cast_1]] %[[#f1Cast_1]] %[[#f2Cast_1]]
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; CHECK-DAG: %[[#fnptr:]] = OpVariable %[[#GlobalArrOfPfnPtrTy]] CrossWorkgroup %[[#fnptrTy]]
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; CHECK-DAG: %[[#fnstruct:]] = OpVariable %[[#GlobalStructWithPfnPtrTy:]] CrossWorkgroup %[[#fnstructTy]]
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; CHECK-DAG: %[[#GlobalInt8PtrPtrTy:]] = OpTypePointer CrossWorkgroup %[[#Int8PtrTy]]
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; CHECK-DAG: %[[#StructWithPtrTy:]] = OpTypeStruct %[[#Int8PtrTy]] %[[#Int8PtrTy]] %[[#Int8PtrTy]]
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; CHECK-DAG: %[[#GlobalStructWithPtrPtrTy:]] = OpTypePointer CrossWorkgroup %[[#StructWithPtrTy]]
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; CHECK-DAG: %[[#I32Const2:]] = OpConstant %[[#Int32Ty]] 2
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; CHECK-DAG: %[[#I32Const1:]] = OpConstant %[[#Int32Ty]] 1
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; CHECK-DAG: %[[#I32Const0:]] = OpConstantNull %[[#Int32Ty]]
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; CHECK-DAG: %[[#GlobalFnPtrPtrTy:]] = OpTypePointer CrossWorkgroup %[[#FnPtrTy]]
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%t_half = type { half }
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%struct.anon = type { ptr, ptr, ptr }
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declare spir_func %t_half @f0(ptr addrspace(1) %a, %t_half %b)
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declare spir_func %t_half @f1(ptr addrspace(1) %a, %t_half %b)
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declare spir_func %t_half @f2(ptr addrspace(1) %a, %t_half %b)
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@fnptr = addrspace(1) constant [3 x ptr] [ptr @f0, ptr @f1, ptr @f2]
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@fnstruct = addrspace(1) constant %struct.anon { ptr @f0, ptr @f1, ptr @f2 }, align 8
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; CHECK-DAG: %[[#fArray]] = OpFunction %[[#VoidTy]] None %[[#TestFnTy]]
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; CHECK-DAG: %[[#fnptrCast:]] = OpBitcast %[[#GlobalFnArrPtrTy]] %[[#fnptr]]
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; CHECK: %[[#f0GEP:]] = OpInBoundsPtrAccessChain %[[#GlobalFnArrPtrTy]] %[[#fnptrCast]] %[[#I64Const0]]
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; CHECK: %[[#f0GEPCast:]] = OpBitcast %[[#GlobalFnPtrTy]] %[[#f0GEP]]
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; CHECK: %[[#f1GEP:]] = OpInBoundsPtrAccessChain %[[#GlobalFnArrPtrTy]] %[[#fnptrCast]] %[[#I64Const1]]
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; CHECK: %[[#f1GEPCast:]] = OpBitcast %[[#GlobalFnPtrTy]] %[[#f1GEP]]
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; CHECK: %[[#f2GEP:]] = OpInBoundsPtrAccessChain %[[#GlobalFnArrPtrTy]] %[[#fnptrCast]] %[[#I64Const2]]
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; CHECK: %[[#f2GEPCast:]] = OpBitcast %[[#GlobalFnPtrTy]] %[[#f2GEP]]
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; CHECK: %{{.*}} = OpFunctionPointerCallINTEL %[[#t_halfTy]] %[[#f0GEPCast]]
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; CHECK: %{{.*}} = OpFunctionPointerCallINTEL %[[#t_halfTy]] %[[#f1GEPCast]]
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; CHECK: %{{.*}} = OpFunctionPointerCallINTEL %[[#t_halfTy]] %[[#f2GEPCast]]
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define spir_func void @array(ptr addrspace(1) %p) {
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entry:
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%f = getelementptr inbounds [3 x ptr], ptr addrspace(1) @fnptr, i64 0
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%g = getelementptr inbounds [3 x ptr], ptr addrspace(1) @fnptr, i64 1
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%h = getelementptr inbounds [3 x ptr], ptr addrspace(1) @fnptr, i64 2
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%0 = call spir_func addrspace(1) %t_half %f(ptr addrspace(1) %p, %t_half poison)
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%1 = call spir_func addrspace(1) %t_half %g(ptr addrspace(1) %p, %t_half %0)
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%2 = call spir_func addrspace(1) %t_half %h(ptr addrspace(1) %p, %t_half %1)
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ret void
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}
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; CHECK-DAG: %[[#fStruct]] = OpFunction %[[#VoidTy]] None %[[#TestFnTy]]
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; CHECK-DAG: %[[#fnStructCast0:]] = OpBitcast %[[#GlobalInt8PtrPtrTy]] %[[#fnstruct]]
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; CHECK: %[[#fnStructCast1:]] = OpBitcast %[[#GlobalFnPtrPtrTy]] %[[#fnStructCast0]]
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; CHECK: %[[#f0Load:]] = OpLoad %[[#FnPtrTy]] %[[#fnStructCast1]]
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; CHECK: %[[#fnStructCast2:]] = OpBitcast %[[#GlobalStructWithPtrPtrTy]] %[[#fnstruct]]
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; CHECK: %[[#f1GEP:]] = OpInBoundsPtrAccessChain %[[#GlobalInt8PtrPtrTy]] %[[#fnStructCast2]] %[[#I32Const0]] %[[#I32Const1]]
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; CHECK: %[[#f1GEPCast:]] = OpBitcast %[[#GlobalFnPtrPtrTy]] %[[#f1GEP]]
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; CHECK: %[[#f1Load:]] = OpLoad %[[#FnPtrTy]] %[[#f1GEPCast]]
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; CHECK: %[[#f2GEP:]] = OpInBoundsPtrAccessChain %[[#GlobalInt8PtrPtrTy]] %[[#fnStructCast2]] %[[#I32Const0]] %[[#I32Const2]]
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; CHECK: %[[#f2GEPCast:]] = OpBitcast %[[#GlobalFnPtrPtrTy]] %[[#f2GEP]]
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; CHECK: %[[#f2Load:]] = OpLoad %[[#FnPtrTy]] %[[#f2GEPCast]]
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; CHECK: %{{.*}} = OpFunctionPointerCallINTEL %[[#t_halfTy]] %[[#f0Load]]
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; CHECK: %{{.*}} = OpFunctionPointerCallINTEL %[[#t_halfTy]] %[[#f1Load]]
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; CHECK: %{{.*}} = OpFunctionPointerCallINTEL %[[#t_halfTy]] %[[#f2Load]]
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define spir_func void @struct(ptr addrspace(1) %p) {
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entry:
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%f = load ptr, ptr addrspace(1) @fnstruct
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%g = load ptr, ptr addrspace(1) getelementptr inbounds (%struct.anon, ptr addrspace(1) @fnstruct, i32 0, i32 1)
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%h = load ptr, ptr addrspace(1) getelementptr inbounds (%struct.anon, ptr addrspace(1) @fnstruct, i32 0, i32 2)
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%0 = call spir_func noundef %t_half %f(ptr addrspace(1) %p, %t_half poison)
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%1 = call spir_func noundef %t_half %g(ptr addrspace(1) %p, %t_half %0)
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%2 = call spir_func noundef %t_half %h(ptr addrspace(1) %p, %t_half %1)
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ret void
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}
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