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TheRock/compiler/amd-llvm/flang/test/Fir/box-offset-codegen.fir
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// Test fir.box_offset code generation.
// RUN: tco %s | FileCheck %s
// RUN: %flang_fc1 -emit-llvm %s -o - | FileCheck %s
func.func @scalar_addr(%scalar : !fir.ref<!fir.box<!fir.type<t>>>) -> !fir.llvm_ptr<!fir.ref<!fir.type<t>>> {
%addr = fir.box_offset %scalar base_addr : (!fir.ref<!fir.box<!fir.type<t>>>) -> !fir.llvm_ptr<!fir.ref<!fir.type<t>>>
return %addr : !fir.llvm_ptr<!fir.ref<!fir.type<t>>>
}
// CHECK-LABEL: define ptr @scalar_addr(
// CHECK-SAME: ptr {{[^%]*}}%[[BOX:.*]]){{.*}}{
// CHECK: %[[VAL_0:.*]] = getelementptr { ptr, i64, i32, i8, i8, i8, i8, ptr, [1 x i64] }, ptr %[[BOX]], i32 0, i32 0
// CHECK: ret ptr %[[VAL_0]]
func.func @scalar_tdesc(%scalar : !fir.ref<!fir.box<!fir.type<t>>>) -> !fir.llvm_ptr<!fir.tdesc<!fir.type<t>>> {
%tdesc = fir.box_offset %scalar derived_type : (!fir.ref<!fir.box<!fir.type<t>>>) -> !fir.llvm_ptr<!fir.tdesc<!fir.type<t>>>
return %tdesc : !fir.llvm_ptr<!fir.tdesc<!fir.type<t>>>
}
// CHECK-LABEL: define ptr @scalar_tdesc(
// CHECK-SAME: ptr {{[^%]*}}%[[BOX:.*]]){{.*}}{
// CHECK: %[[VAL_0:.*]] = getelementptr { ptr, i64, i32, i8, i8, i8, i8, ptr, [1 x i64] }, ptr %[[BOX]], i32 0, i32 7
// CHECK: ret ptr %[[VAL_0]]
func.func @array_addr(%array : !fir.ref<!fir.class<!fir.ptr<!fir.array<?x!fir.type<t>>>>>) -> !fir.llvm_ptr<!fir.ptr<!fir.array<?x!fir.type<t>>>> {
%addr = fir.box_offset %array base_addr : (!fir.ref<!fir.class<!fir.ptr<!fir.array<?x!fir.type<t>>>>>) -> !fir.llvm_ptr<!fir.ptr<!fir.array<?x!fir.type<t>>>>
return %addr : !fir.llvm_ptr<!fir.ptr<!fir.array<?x!fir.type<t>>>>
}
// CHECK-LABEL: define ptr @array_addr(
// CHECK-SAME: ptr {{[^%]*}}%[[BOX:.*]]){{.*}}{
// CHECK: %[[VAL_0:.*]] = getelementptr { ptr, i64, i32, i8, i8, i8, i8, [1 x [3 x i64]], ptr, [1 x i64] }, ptr %[[BOX]], i32 0, i32 0
// CHECK: ret ptr %[[VAL_0]]
func.func @array_tdesc(%array : !fir.ref<!fir.class<!fir.ptr<!fir.array<?x!fir.type<t>>>>>) -> !fir.llvm_ptr<!fir.tdesc<!fir.type<t>>> {
%tdesc = fir.box_offset %array derived_type : (!fir.ref<!fir.class<!fir.ptr<!fir.array<?x!fir.type<t>>>>>) -> !fir.llvm_ptr<!fir.tdesc<!fir.type<t>>>
return %tdesc : !fir.llvm_ptr<!fir.tdesc<!fir.type<t>>>
}
// CHECK-LABEL: define ptr @array_tdesc(
// CHECK-SAME: ptr {{[^%]*}}%[[BOX:.*]]){{.*}}{
// CHECK: %[[VAL_0:.*]] = getelementptr { ptr, i64, i32, i8, i8, i8, i8, [1 x [3 x i64]], ptr, [1 x i64] }, ptr %[[BOX]], i32 0, i32 8
// CHECK: ret ptr %[[VAL_0]]
func.func @boxchar_addr(%boxchar : !fir.ref<!fir.boxchar<1>>) -> !fir.llvm_ptr<!fir.ref<!fir.char<1,?>>> {
%addr = fir.box_offset %boxchar base_addr : (!fir.ref<!fir.boxchar<1>>) -> !fir.llvm_ptr<!fir.ref<!fir.char<1,?>>>
return %addr : !fir.llvm_ptr<!fir.ref<!fir.char<1,?>>>
}
// CHECK-LABEL: define ptr @boxchar_addr(
// CHECK-SAME: ptr {{.*}}%[[BOXCHAR:.*]]){{.*}} {
// CHECK: %[[VAL_0:.*]] = getelementptr { ptr, i64 }, ptr %[[BOXCHAR]], i32 0, i32 0
// CHECK: ret ptr %[[VAL_0]]