[clang] [OpenACC][CIR] Finish 'private' recipe lowering by doing 'init' (PR #161540)

[Andy Kaylor via cfe-commits]

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@@ -66,47 +66,134 @@ struct HasDtor {
 // CHECK-NEXT: acc.private.recipe @privatization__Bcnt1__ZTSA5_i : !cir.ptr<!cir.array<!s32i x 5>> init {
 // CHECK-NEXT: ^bb0(%[[ARG:.*]]: !cir.ptr<!cir.array<!s32i x 5>> {{.*}}, %[[BOUND1:.*]]: !acc.data_bounds_ty {{.*}}):
 // CHECK-NEXT: %[[ALLOCA:.*]] = cir.alloca !cir.array<!s32i x 5>, !cir.ptr<!cir.array<!s32i x 5>>, ["openacc.private.init"]
-// TODO: Add Init here.
 // CHECK-NEXT: acc.yield
 // CHECK-NEXT: }
 //
 // float[5] with 1 'bound'
 // CHECK-NEXT: acc.private.recipe @privatization__Bcnt1__ZTSA5_f : !cir.ptr<!cir.array<!cir.float x 5>> init {
 // CHECK-NEXT: ^bb0(%[[ARG:.*]]: !cir.ptr<!cir.array<!cir.float x 5>> {{.*}}, %[[BOUND1:.*]]: !acc.data_bounds_ty {{.*}}):
 // CHECK-NEXT: %[[ALLOCA:.*]] = cir.alloca !cir.array<!cir.float x 5>, !cir.ptr<!cir.array<!cir.float x 5>>, ["openacc.private.init"]
-// TODO: Add Init here.
 // CHECK-NEXT: acc.yield
 // CHECK-NEXT: }
 //
 // NoCopyConstruct[5] with 1 'bound'
 // CHECK-NEXT: acc.private.recipe @privatization__Bcnt1__ZTSA5_15NoCopyConstruct : !cir.ptr<!cir.array<!rec_NoCopyConstruct x 5>> init {
 // CHECK-NEXT: ^bb0(%[[ARG:.*]]: !cir.ptr<!cir.array<!rec_NoCopyConstruct x 5>> {{.*}}, %[[BOUND1:.*]]: !acc.data_bounds_ty {{.*}}):
 // CHECK-NEXT: %[[ALLOCA:.*]] = cir.alloca !cir.array<!rec_NoCopyConstruct x 5>, !cir.ptr<!cir.array<!rec_NoCopyConstruct x 5>>, ["openacc.private.init"]
-// TODO: Add Init here.
+// CHECK-NEXT: cir.scope {
+// CHECK-NEXT: %[[LB:.*]] = acc.get_lowerbound %[[BOUND1]] : (!acc.data_bounds_ty) -> index
+// CHECK-NEXT: %[[LB_CAST:.*]] = builtin.unrealized_conversion_cast %[[LB]] : index to !u64i
+// CHECK-NEXT: %[[UB:.*]] = acc.get_upperbound %[[BOUND1]] : (!acc.data_bounds_ty) -> index
+// CHECK-NEXT: %[[UB_CAST:.*]] = builtin.unrealized_conversion_cast %[[UB]] : index to !u64i
+// CHECK-NEXT: %[[ITR:.*]] = cir.alloca !u64i, !cir.ptr<!u64i>, ["iter"] {alignment = 8 : i64}
+// CHECK-NEXT: cir.store %[[LB_CAST]], %[[ITR]] : !u64i, !cir.ptr<!u64i>
+// CHECK-NEXT: cir.for : cond {
+// CHECK-NEXT: %[[ITR_LOAD:.*]] = cir.load %[[ITR]] : !cir.ptr<!u64i>, !u64i
+// CHECK-NEXT: %[[COND:.*]] = cir.cmp(lt, %[[ITR_LOAD]], %[[UB_CAST]]) : !u64i, !cir.bool
+// CHECK-NEXT: cir.condition(%[[COND]])
+// CHECK-NEXT: } body {
+// CHECK-NEXT: %[[ITR_LOAD:.*]] = cir.load %[[ITR]] : !cir.ptr<!u64i>, !u64i
+// CHECK-NEXT: %[[DECAY:.*]] = cir.cast array_to_ptrdecay %[[ALLOCA]] : !cir.ptr<!cir.array<!rec_NoCopyConstruct x 5>> -> !cir.ptr<!rec_NoCopyConstruct>
+// CHECK-NEXT: %[[STRIDE:.*]] = cir.ptr_stride(%[[DECAY]] : !cir.ptr<!rec_NoCopyConstruct>, %[[ITR_LOAD]] : !u64i), !cir.ptr<!rec_NoCopyConstruct>
+// CHECK-NEXT: cir.yield
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andykaylor wrote:

Is something missing here?

https://github.com/llvm/llvm-project/pull/161540