[flang-commits] [flang] [openmp] [mlir] [Flang][OpenMP] Initial mapping of Fortran pointers and allocatables for target devices (PR #71766)

[Sergio Afonso via flang-commits]

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@@ -58,3 +89,24 @@ subroutine mapType_char
      a = 'b'
   !$omp end target
 end subroutine mapType_char
+
+!CHECK-LABEL: define void @maptype_ptr_explicit_() {
+!CHECK: %[[ALLOCA:.*]] = alloca { ptr, i64, i32, i8, i8, i8, i8 }, i64 1, align 8
+!CHECK: %[[ALLOCA_GEP:.*]] = getelementptr { ptr, i64, i32, i8, i8, i8, i8 }, ptr %[[ALLOCA]], i32 1
+!CHECK: %[[ALLOCA_GEP_INT:.*]] = ptrtoint ptr %[[ALLOCA_GEP]] to i64
+!CHECK: %[[ALLOCA_INT:.*]] = ptrtoint ptr %[[ALLOCA]] to i64
+!CHECK: %[[SIZE_DIFF:.*]] = sub i64 %[[ALLOCA_GEP_INT]], %[[ALLOCA_INT]]
+!CHECK: %[[DIV:.*]] = sdiv exact i64 %[[SIZE_DIFF]], ptrtoint (ptr getelementptr (i8, ptr null, i32 1) to i64)
+!CHECK: %[[OFFLOAD_SIZE_ARR:.*]] = getelementptr inbounds [3 x i64], ptr %.offload_sizes, i32 0, i32 0
+!CHECK: store i64 %[[DIV]], ptr %[[OFFLOAD_SIZE_ARR]], align 8
+
+
+!CHECK-LABEL: define void @maptype_allocatable_explicit_() {
+!CHECK: %[[ALLOCA:.*]] = alloca { ptr, i64, i32, i8, i8, i8, i8 }, i64 1, align 8
+!CHECK: %[[ALLOCA_GEP:.*]] = getelementptr { ptr, i64, i32, i8, i8, i8, i8 }, ptr %[[ALLOCA]], i32 1
+!CHECK: %[[ALLOCA_GEP_INT:.*]] = ptrtoint ptr %[[ALLOCA_GEP]] to i64
+!CHECK: %[[ALLOCA_INT:.*]] = ptrtoint ptr %[[ALLOCA]] to i64
+!CHECK: %[[SIZE_DIFF:.*]] = sub i64 %[[ALLOCA_GEP_INT]], %[[ALLOCA_INT]]
+!CHECK: %[[DIV:.*]] = sdiv exact i64 %[[SIZE_DIFF]], ptrtoint (ptr getelementptr (i8, ptr null, i32 1) to i64)
+!CHECK: %[[OFFLOAD_SIZE_ARR:.*]] = getelementptr inbounds [3 x i64], ptr %.offload_sizes, i32 0, i32 0
+!CHECK: store i64 %[[DIV]], ptr %[[OFFLOAD_SIZE_ARR]], align 8
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skatrak wrote:

Nit: new line

https://github.com/llvm/llvm-project/pull/71766