llvm-project/mlir/test/Target/LLVMIR/omptarget-byref-bycopy-generation-device.mlir

47 lines
2.1 KiB
MLIR

// RUN: mlir-translate -mlir-to-llvmir %s | FileCheck %s
module attributes {dlti.dl_spec = #dlti.dl_spec<#dlti.dl_entry<"dlti.alloca_memory_space", 5 : ui32>>, llvm.target_triple = "amdgcn-amd-amdhsa", omp.is_target_device = true} {
llvm.func @_QQmain() attributes {fir.bindc_name = "main"} {
%0 = llvm.mlir.addressof @_QFEi : !llvm.ptr
%1 = llvm.mlir.addressof @_QFEsp : !llvm.ptr
%2 = omp.map.info var_ptr(%1 : !llvm.ptr, i32) map_clauses(tofrom) capture(ByRef) -> !llvm.ptr {name = "sp"}
%3 = omp.map.info var_ptr(%0 : !llvm.ptr, i32) map_clauses(to) capture(ByCopy) -> !llvm.ptr {name = "i"}
omp.target map_entries(%2 -> %arg0, %3 -> %arg1 : !llvm.ptr, !llvm.ptr) {
%4 = llvm.load %arg1 : !llvm.ptr -> i32
llvm.store %4, %arg0 : i32, !llvm.ptr
omp.terminator
}
llvm.return
}
llvm.mlir.global internal @_QFEi() {addr_space = 0 : i32} : i32 {
%0 = llvm.mlir.constant(1 : i32) : i32
llvm.return %0 : i32
}
llvm.mlir.global internal @_QFEsp() {addr_space = 0 : i32} : i32 {
%0 = llvm.mlir.constant(0 : i32) : i32
llvm.return %0 : i32
}
}
// CHECK: define {{.*}} void @__omp_offloading_{{.*}}_{{.*}}__QQmain_l{{.*}}(ptr %[[DYN_PTR:.*]], ptr %[[ARG_BYREF:.*]], ptr %[[ARG_BYCOPY:.*]]) #{{[0-9]+}} {
// CHECK: entry:
// CHECK: %[[ALLOCA_BYREF:.*]] = alloca ptr, align 8, addrspace(5)
// CHECK: %[[ALLOCA_ASCAST:.*]] = addrspacecast ptr addrspace(5) %[[ALLOCA_BYREF]] to ptr
// CHECK: store ptr %[[ARG_BYREF]], ptr %[[ALLOCA_ASCAST]], align 8
// CHECK: %[[ALLOCA_BYCOPY:.*]] = alloca ptr, align 8, addrspace(5)
// CHECK: %[[ALLOCA_ASCAST2:.*]] = addrspacecast ptr addrspace(5) %[[ALLOCA_BYCOPY]] to ptr
// CHECK: store ptr %[[ARG_BYCOPY]], ptr %[[ALLOCA_ASCAST2]], align 8
// CHECK: user_code.entry: ; preds = %entry
// CHECK: %[[LOAD_BYREF:.*]] = load ptr, ptr %[[ALLOCA_ASCAST]], align 8
// CHECK: br label %outlined.body
// CHECK: outlined.body:
// CHECK: br label %omp.target
// CHECK: omp.target:
// CHECK: %[[VAL_LOAD_BYCOPY:.*]] = load i32, ptr %[[ALLOCA_ASCAST2]], align 4
// CHECK: store i32 %[[VAL_LOAD_BYCOPY]], ptr %[[LOAD_BYREF]], align 4
// CHECK: br label %omp.region.cont