1; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv32-unknown-unknown --spirv-ext=+SPV_INTEL_function_pointers %s -o - | FileCheck %s 2; TODO: %if spirv-tools %{ llc -O0 -mtriple=spirv64-unknown-unknown %s -o - -filetype=obj | spirv-val %} 3 4; CHECK-DAG: OpCapability FunctionPointersINTEL 5; CHECK-DAG: OpCapability Int64 6; CHECK: OpExtension "SPV_INTEL_function_pointers" 7 8; CHECK-DAG: %[[TyVoid:.*]] = OpTypeVoid 9; CHECK-DAG: %[[TyInt64:.*]] = OpTypeInt 64 0 10; CHECK-DAG: %[[TyFun:.*]] = OpTypeFunction %[[TyInt64]] %[[TyInt64]] 11; CHECK-DAG: %[[TyPtrFunCodeSection:.*]] = OpTypePointer CodeSectionINTEL %[[TyFun]] 12; CHECK-DAG: %[[ConstFunFp:.*]] = OpConstantFunctionPointerINTEL %[[TyPtrFunCodeSection]] %[[DefFunFp:.*]] 13; CHECK-DAG: %[[TyPtrFun:.*]] = OpTypePointer Function %[[TyFun]] 14; CHECK-DAG: %[[TyPtrPtrFun:.*]] = OpTypePointer Function %[[TyPtrFun]] 15; CHECK: OpFunction 16; CHECK: %[[Var:.*]] = OpVariable %[[TyPtrPtrFun]] Function 17; CHECK: OpStore %[[Var]] %[[ConstFunFp]] 18; CHECK: %[[FP:.*]] = OpLoad %[[TyPtrFun]] %[[Var]] 19; CHECK: OpFunctionPointerCallINTEL %[[TyInt64]] %[[FP]] %[[#]] 20; CHECK: OpFunctionEnd 21 22; CHECK: %[[DefFunFp]] = OpFunction %[[TyInt64]] None %[[TyFun]] 23 24target triple = "spir64-unknown-unknown" 25 26define spir_kernel void @test() { 27entry: 28 %fp = alloca ptr 29 store ptr @foo, ptr %fp 30 %tocall = load ptr, ptr %fp 31 %res = call i64 %tocall(i64 42) 32 ret void 33} 34 35define i64 @foo(i64 %a) { 36entry: 37 ret i64 %a 38} 39