[flang] [llvm] [flang][intrinsic] add nonstandard intrinsic unlink (PR #134162)

[Valentin Clement バレンタイン クレメン via llvm-commits]

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@@ -0,0 +1,24 @@
+!RUN: %flang_fc1 -emit-hlfir %s -o - | FileCheck %s
+
+!CHECK-LABEL: func.func @_QPunlink_test
+!CHECK-SAME:  %[[dummyPath:.*]]: !fir.boxchar<1> {fir.bindc_name = "path"}) -> i32 {
+integer function unlink_test(path)
+CHARACTER(len=255) :: path
+
+!CHECK-DAG:   %[[func_result:.*]] = fir.alloca i32 {bindc_name = "unlink_test", uniq_name = "_QFunlink_testEunlink_test"}
+!CHECK-DAG:   %[[func_result_decl:.*]]:{{.*}} = hlfir.declare %[[func_result]] {uniq_name = "_QFunlink_testEunlink_test"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+!CHECK-DAG:   %[[src_path_addr:.*]] = fir.address_of(@_{{.*}}) : !fir.ref<!fir.char<1,{{.*}}>
+!CHECK-DAG:   %[[line_value:.*]] = arith.constant {{.*}} : i64
+!CHECK-DAG:   %[[path:.*]] = fir.convert {{.*}} (!fir.ref<!fir.char<1,{{.*}}>>) -> !fir.ref<i8>
+!CHECK-DAG:   %[[path_len:.*]] = fir.convert {{.*}} : (index) -> i64
+!CHECK-DAG:   %[[src_path:.*]] = fir.convert %[[src_path_addr]] : (!fir.ref<!fir.char<1,{{.*}}>) -> !fir.ref<i8>
+!CHECK-DAG:   %[[line:.*]] = fir.convert %[[line_value]] : (i64) -> i32
+!CHECK:       %[[unlink_result:.*]] = fir.call @_FortranAUnlink(%[[path]], %[[path_len]], %[[src_path]], %[[line]])
+!CHECK-SAME:  -> i32
+
+! Check _FortranAUnlink result code handling
+!CHECK-DAG:   hlfir.assign %[[unlink_result]] to %[[func_result_decl]]#0 : i32, !fir.ref<i32>
+!CHECK-DAG:   %[[load_result:.*]] = fir.load %[[func_result_decl]]#0 : !fir.ref<i32>
+!CHECK:       return %[[load_result]] : i32
+unlink_test = unlink(path)
+end function unlink_test
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clementval wrote:

new line at the end of file

https://github.com/llvm/llvm-project/pull/134162