[flang-commits] [flang] [flang] module namelist IO with renaming (PR #75264)

via flang-commits flang-commits at lists.llvm.org
Tue Dec 12 16:44:51 PST 2023


llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-flang-fir-hlfir

Author: None (vdonaldson)

<details>
<summary>Changes</summary>

The test:
```
  module mmm
    real rrr
    namelist /aaa/ rrr
  end

    use mmm, bbb => aaa
    rrr = 3.
    write(*,bbb)
  end
```
Should output:  &AAA RRR= 3./

not:            &BBB RRR= 3./

---

Patch is 20.27 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/75264.diff


2 Files Affected:

- (modified) flang/lib/Lower/IO.cpp (+2-1) 
- (modified) flang/test/Lower/namelist.f90 (+120-64) 


``````````diff
diff --git a/flang/lib/Lower/IO.cpp b/flang/lib/Lower/IO.cpp
index 4186d6158fb1d0..a60ca92a8733e3 100644
--- a/flang/lib/Lower/IO.cpp
+++ b/flang/lib/Lower/IO.cpp
@@ -641,7 +641,8 @@ static void genNamelistIO(Fortran::lower::AbstractConverter &converter,
   mlir::Location loc = converter.getCurrentLocation();
   makeNextConditionalOn(builder, loc, checkResult, ok);
   mlir::Type argType = funcOp.getFunctionType().getInput(1);
-  mlir::Value groupAddr = getNamelistGroup(converter, symbol, stmtCtx);
+  mlir::Value groupAddr =
+      getNamelistGroup(converter, symbol.GetUltimate(), stmtCtx);
   groupAddr = builder.createConvert(loc, argType, groupAddr);
   llvm::SmallVector<mlir::Value> args = {cookie, groupAddr};
   ok = builder.create<fir::CallOp>(loc, funcOp, args).getResult(0);
diff --git a/flang/test/Lower/namelist.f90 b/flang/test/Lower/namelist.f90
index bba7a0ea19774d..9fdd8a2c8f6131 100644
--- a/flang/test/Lower/namelist.f90
+++ b/flang/test/Lower/namelist.f90
@@ -1,88 +1,144 @@
-! RUN: bbc -emit-fir -hlfir=false -o - %s | FileCheck %s
+! RUN: bbc -emit-fir -o - %s | FileCheck %s
 
-! CHECK-LABEL: func @_QQmain
+! CHECK-LABEL: c.func @_QQmain
 program p
-  ! CHECK-DAG: [[ccc:%[0-9]+]] = fir.alloca !fir.array<4x!fir.char<1,3>> {bindc_name = "ccc", uniq_name = "_QFEccc"}
-  ! CHECK-DAG: [[jjj:%[0-9]+]] = fir.alloca i32 {bindc_name = "jjj", uniq_name = "_QFEjjj"}
+  ! CHECK:     %[[V_1:[0-9]+]] = fir.alloca !fir.box<!fir.ptr<!fir.array<4x!fir.char<1,3>>>>
+  ! CHECK:     %[[V_2:[0-9]+]] = fir.alloca !fir.box<!fir.ptr<i32>>
+  ! CHECK:     %[[V_3:[0-9]+]] = fir.alloca !fir.box<!fir.ptr<!fir.array<4x!fir.char<1,3>>>>
+  ! CHECK:     %[[V_4:[0-9]+]] = fir.alloca !fir.box<!fir.ptr<i32>>
+  ! CHECK:     %[[V_5:[0-9]+]] = fir.alloca !fir.array<4x!fir.char<1,3>> {bindc_name = "ccc", uniq_name = "_QFEccc"}
+  ! CHECK:     %[[V_6:[0-9]+]] = fir.shape %c4{{.*}} : (index) -> !fir.shape<1>
+  ! CHECK:     %[[V_7:[0-9]+]] = fir.declare %[[V_5]](%[[V_6]]) typeparams %c3{{.*}} {uniq_name = "_QFEccc"} : (!fir.ref<!fir.array<4x!fir.char<1,3>>>, !fir.shape<1>, index) -> !fir.ref<!fir.array<4x!fir.char<1,3>>>
+  ! CHECK:     %[[V_8:[0-9]+]] = fir.alloca i32 {bindc_name = "jjj", uniq_name = "_QFEjjj"}
+  ! CHECK:     %[[V_9:[0-9]+]] = fir.declare %[[V_8]] {uniq_name = "_QFEjjj"} : (!fir.ref<i32>) -> !fir.ref<i32>
+  ! CHECK:     fir.store %c17{{.*}} to %[[V_9]] : !fir.ref<i32>
   character*3 ccc(4)
   namelist /nnn/ jjj, ccc
   jjj = 17
   ccc = ["aa ", "bb ", "cc ", "dd "]
-  ! CHECK: [[cookie:%[0-9]+]] = fir.call @_FortranAioBeginExternalListOutput
-  ! CHECK: fir.alloca !fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>
-  ! CHECK: fir.undefined
-  ! CHECK: fir.address_of
-  ! CHECK: fir.insert_value
-  ! CHECK: fir.embox [[jjj]]
-  ! CHECK: fir.insert_value
-  ! CHECK: fir.address_of
-  ! CHECK: fir.insert_value
-  ! CHECK: fir.embox [[ccc]]
-  ! CHECK: fir.insert_value
-  ! CHECK: fir.alloca tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>
-  ! CHECK: fir.address_of
-  ! CHECK-COUNT-4: fir.insert_value
-  ! CHECK: fir.call @_FortranAioOutputNamelist([[cookie]]
-  ! CHECK: fir.call @_FortranAioEndIoStatement([[cookie]]
+
+  ! CHECK:     %[[V_23:[0-9]+]] = fir.call @_FortranAioBeginExternalListOutput
+  ! CHECK:     %[[V_24:[0-9]+]] = fir.alloca !fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>
+  ! CHECK:     %[[V_25:[0-9]+]] = fir.undefined !fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>
+  ! CHECK:     %[[V_26:[0-9]+]] = fir.address_of(@_QQclX6A6A6A00) : !fir.ref<!fir.char<1,4>>
+  ! CHECK:     %[[V_27:[0-9]+]] = fir.convert %[[V_26]] : (!fir.ref<!fir.char<1,4>>) -> !fir.ref<i8>
+  ! CHECK:     %[[V_28:[0-9]+]] = fir.insert_value %[[V_25]], %[[V_27]], [0 : index, 0 : index] : (!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>, !fir.ref<i8>) -> !fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>
+  ! CHECK:     %[[V_29:[0-9]+]] = fir.embox %[[V_9]] : (!fir.ref<i32>) -> !fir.box<!fir.ptr<i32>>
+  ! CHECK:     fir.store %[[V_29]] to %[[V_4]] : !fir.ref<!fir.box<!fir.ptr<i32>>>
+  ! CHECK:     %[[V_30:[0-9]+]] = fir.convert %[[V_4]] : (!fir.ref<!fir.box<!fir.ptr<i32>>>) -> !fir.ref<!fir.box<none>>
+  ! CHECK:     %[[V_31:[0-9]+]] = fir.insert_value %[[V_28]], %[[V_30]], [0 : index, 1 : index] : (!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>, !fir.ref<!fir.box<none>>) -> !fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>
+  ! CHECK:     %[[V_32:[0-9]+]] = fir.address_of(@_QQclX63636300) : !fir.ref<!fir.char<1,4>>
+  ! CHECK:     %[[V_33:[0-9]+]] = fir.convert %[[V_32]] : (!fir.ref<!fir.char<1,4>>) -> !fir.ref<i8>
+  ! CHECK:     %[[V_34:[0-9]+]] = fir.insert_value %[[V_31]], %[[V_33]], [1 : index, 0 : index] : (!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>, !fir.ref<i8>) -> !fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>
+  ! CHECK:     %[[V_35:[0-9]+]] = fir.embox %[[V_7]](%[[V_6]]) : (!fir.ref<!fir.array<4x!fir.char<1,3>>>, !fir.shape<1>) -> !fir.box<!fir.ptr<!fir.array<4x!fir.char<1,3>>>>
+  ! CHECK:     fir.store %[[V_35]] to %[[V_3]] : !fir.ref<!fir.box<!fir.ptr<!fir.array<4x!fir.char<1,3>>>>>
+  ! CHECK:     %[[V_36:[0-9]+]] = fir.convert %[[V_3]] : (!fir.ref<!fir.box<!fir.ptr<!fir.array<4x!fir.char<1,3>>>>>) -> !fir.ref<!fir.box<none>>
+  ! CHECK:     %[[V_37:[0-9]+]] = fir.insert_value %[[V_34]], %[[V_36]], [1 : index, 1 : index] : (!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>, !fir.ref<!fir.box<none>>) -> !fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>
+  ! CHECK:     fir.store %[[V_37]] to %[[V_24]] : !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>
+  ! CHECK:     %[[V_38:[0-9]+]] = fir.alloca tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>
+  ! CHECK:     %[[V_39:[0-9]+]] = fir.undefined tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>
+  ! CHECK:     %[[V_40:[0-9]+]] = fir.address_of(@_QQclX6E6E6E00) : !fir.ref<!fir.char<1,4>>
+  ! CHECK:     %[[V_41:[0-9]+]] = fir.convert %[[V_40]] : (!fir.ref<!fir.char<1,4>>) -> !fir.ref<i8>
+  ! CHECK:     %[[V_42:[0-9]+]] = fir.insert_value %[[V_39]], %[[V_41]], [0 : index] : (tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>, !fir.ref<i8>) -> tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>
+  ! CHECK:     %[[V_43:[0-9]+]] = fir.insert_value %[[V_42]], %c2{{.*}}, [1 : index] : (tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>, i64) -> tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>
+  ! CHECK:     %[[V_44:[0-9]+]] = fir.insert_value %[[V_43]], %[[V_24]], [2 : index] : (tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>, !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>) -> tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>
+  ! CHECK:     %[[V_45:[0-9]+]] = fir.address_of(@default.nonTbpDefinedIoTable) : !fir.ref<tuple<i64, !fir.ref<!fir.array<0xtuple<!fir.ref<none>, !fir.ref<none>, i32, i1>>>, i1>>
+  ! CHECK:     %[[V_46:[0-9]+]] = fir.convert %[[V_45]] : (!fir.ref<tuple<i64, !fir.ref<!fir.array<0xtuple<!fir.ref<none>, !fir.ref<none>, i32, i1>>>, i1>>) -> !fir.ref<none>
+  ! CHECK:     %[[V_47:[0-9]+]] = fir.insert_value %[[V_44]], %[[V_46]], [3 : index] : (tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>, !fir.ref<none>) -> tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>
+  ! CHECK:     fir.store %[[V_47]] to %[[V_38]] : !fir.ref<tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>>
+  ! CHECK:     %[[V_48:[0-9]+]] = fir.convert %[[V_38]] : (!fir.ref<tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>>) -> !fir.ref<tuple<>>
+  ! CHECK:     %[[V_49:[0-9]+]] = fir.call @_FortranAioOutputNamelist(%[[V_23]], %[[V_48]]) fastmath<contract> : (!fir.ref<i8>, !fir.ref<tuple<>>) -> i1
+  ! CHECK:     %[[V_50:[0-9]+]] = fir.call @_FortranAioEndIoStatement(%[[V_23]]) fastmath<contract> : (!fir.ref<i8>) -> i32
   write(*, nnn)
   jjj = 27
-  ! CHECK: fir.coordinate_of
   ccc(4) = "zz "
-  ! CHECK: [[cookie:%[0-9]+]] = fir.call @_FortranAioBeginExternalListOutput
-  ! CHECK: fir.alloca !fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>
-  ! CHECK: fir.undefined
-  ! CHECK: fir.address_of
-  ! CHECK: fir.insert_value
-  ! CHECK: fir.embox [[jjj]]
-  ! CHECK: fir.insert_value
-  ! CHECK: fir.address_of
-  ! CHECK: fir.insert_value
-  ! CHECK: fir.embox [[ccc]]
-  ! CHECK: fir.insert_value
-  ! CHECK: fir.alloca tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>
-  ! CHECK: fir.address_of
-  ! CHECK-COUNT-4: fir.insert_value
-  ! CHECK: fir.call @_FortranAioOutputNamelist([[cookie]]
-  ! CHECK: fir.call @_FortranAioEndIoStatement([[cookie]]
+  ! CHECK:     %[[V_58:[0-9]+]] = fir.call @_FortranAioBeginExternalListOutput
+  ! CHECK:     %[[V_59:[0-9]+]] = fir.alloca !fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>
+  ! CHECK:     fir.store %[[V_29]] to %[[V_2]] : !fir.ref<!fir.box<!fir.ptr<i32>>>
+  ! CHECK:     %[[V_60:[0-9]+]] = fir.convert %[[V_2]] : (!fir.ref<!fir.box<!fir.ptr<i32>>>) -> !fir.ref<!fir.box<none>>
+  ! CHECK:     %[[V_61:[0-9]+]] = fir.insert_value %[[V_28]], %[[V_60]], [0 : index, 1 : index] : (!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>, !fir.ref<!fir.box<none>>) -> !fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>
+  ! CHECK:     %[[V_62:[0-9]+]] = fir.insert_value %[[V_61]], %[[V_33]], [1 : index, 0 : index] : (!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>, !fir.ref<i8>) -> !fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>
+  ! CHECK:     fir.store %[[V_35]] to %[[V_1]] : !fir.ref<!fir.box<!fir.ptr<!fir.array<4x!fir.char<1,3>>>>>
+  ! CHECK:     %[[V_63:[0-9]+]] = fir.convert %[[V_1]] : (!fir.ref<!fir.box<!fir.ptr<!fir.array<4x!fir.char<1,3>>>>>) -> !fir.ref<!fir.box<none>>
+  ! CHECK:     %[[V_64:[0-9]+]] = fir.insert_value %[[V_62]], %[[V_63]], [1 : index, 1 : index] : (!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>, !fir.ref<!fir.box<none>>) -> !fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>
+  ! CHECK:     fir.store %[[V_64]] to %[[V_59]] : !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>
+  ! CHECK:     %[[V_65:[0-9]+]] = fir.alloca tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>
+  ! CHECK:     %[[V_66:[0-9]+]] = fir.insert_value %[[V_43]], %[[V_59]], [2 : index] : (tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>, !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>) -> tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>
+  ! CHECK:     %[[V_67:[0-9]+]] = fir.insert_value %[[V_66]], %[[V_46]], [3 : index] : (tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>, !fir.ref<none>) -> tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>
+  ! CHECK:     fir.store %[[V_67]] to %[[V_65]] : !fir.ref<tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>>
+  ! CHECK:     %[[V_68:[0-9]+]] = fir.convert %[[V_65]] : (!fir.ref<tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<2xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>>) -> !fir.ref<tuple<>>
+  ! CHECK:     %[[V_69:[0-9]+]] = fir.call @_FortranAioOutputNamelist(%[[V_58]], %[[V_68]]) fastmath<contract> : (!fir.ref<i8>, !fir.ref<tuple<>>) -> i1
+  ! CHECK:     %[[V_70:[0-9]+]] = fir.call @_FortranAioEndIoStatement(%[[V_58]]) fastmath<contract> : (!fir.ref<i8>) -> i32
   write(*, nnn)
+
+  call rename
 end
 
-! CHECK-LABEL: sss
+! CHECK-LABEL: c.func @_QPsss
 subroutine sss
+  ! CHECK:     %[[V_0:[0-9]+]] = fir.alloca !fir.box<!fir.ptr<!fir.array<3xi32>>>
+  ! CHECK:     %[[V_1:[0-9]+]] = fir.alloca !fir.array<3xi32> {bindc_name = "xxx", uniq_name = "_QFsssExxx"}
+  ! CHECK:     %[[V_2:[0-9]+]] = fir.shape_shift %c11{{.*}}, %c3{{.*}} : (index, index) -> !fir.shapeshift<1>
+  ! CHECK:     %[[V_3:[0-9]+]] = fir.declare %[[V_1]](%[[V_2]]) {uniq_name = "_QFsssExxx"} : (!fir.ref<!fir.array<3xi32>>, !fir.shapeshift<1>) -> !fir.ref<!fir.array<3xi32>>
   integer xxx(11:13)
+
+  ! CHECK:     %[[V_7:[0-9]+]] = fir.call @_FortranAioBeginExternalListInput
+  ! CHECK:     %[[V_8:[0-9]+]] = fir.alloca !fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>
+  ! CHECK:     %[[V_9:[0-9]+]] = fir.undefined !fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>
+  ! CHECK:     %[[V_10:[0-9]+]] = fir.address_of(@_QQclX78787800) : !fir.ref<!fir.char<1,4>>
+  ! CHECK:     %[[V_11:[0-9]+]] = fir.convert %[[V_10]] : (!fir.ref<!fir.char<1,4>>) -> !fir.ref<i8>
+  ! CHECK:     %[[V_12:[0-9]+]] = fir.insert_value %[[V_9]], %[[V_11]], [0 : index, 0 : index] : (!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>, !fir.ref<i8>) -> !fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>
+  ! CHECK:     %[[V_13:[0-9]+]] = fir.embox %[[V_3]](%[[V_2]]) : (!fir.ref<!fir.array<3xi32>>, !fir.shapeshift<1>) -> !fir.box<!fir.ptr<!fir.array<3xi32>>>
+  ! CHECK:     fir.store %[[V_13]] to %[[V_0]] : !fir.ref<!fir.box<!fir.ptr<!fir.array<3xi32>>>>
+  ! CHECK:     %[[V_14:[0-9]+]] = fir.convert %[[V_0]] : (!fir.ref<!fir.box<!fir.ptr<!fir.array<3xi32>>>>) -> !fir.ref<!fir.box<none>>
+  ! CHECK:     %[[V_15:[0-9]+]] = fir.insert_value %[[V_12]], %[[V_14]], [0 : index, 1 : index] : (!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>, !fir.ref<!fir.box<none>>) -> !fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>
+  ! CHECK:     fir.store %[[V_15]] to %[[V_8]] : !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>
+  ! CHECK:     %[[V_16:[0-9]+]] = fir.alloca tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>
+  ! CHECK:     %[[V_17:[0-9]+]] = fir.undefined tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>
+  ! CHECK:     %[[V_18:[0-9]+]] = fir.address_of(@_QQclX72727200) : !fir.ref<!fir.char<1,4>>
+  ! CHECK:     %[[V_19:[0-9]+]] = fir.convert %[[V_18]] : (!fir.ref<!fir.char<1,4>>) -> !fir.ref<i8>
+  ! CHECK:     %[[V_20:[0-9]+]] = fir.insert_value %[[V_17]], %[[V_19]], [0 : index] : (tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>, !fir.ref<i8>) -> tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>
+  ! CHECK:     %[[V_21:[0-9]+]] = fir.insert_value %[[V_20]], %c1{{.*}}, [1 : index] : (tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>, i64) -> tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>
+  ! CHECK:     %[[V_22:[0-9]+]] = fir.insert_value %[[V_21]], %[[V_8]], [2 : index] : (tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>, !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>) -> tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>
+  ! CHECK:     %[[V_23:[0-9]+]] = fir.address_of(@default.nonTbpDefinedIoTable) : !fir.ref<tuple<i64, !fir.ref<!fir.array<0xtuple<!fir.ref<none>, !fir.ref<none>, i32, i1>>>, i1>>
+  ! CHECK:     %[[V_24:[0-9]+]] = fir.convert %[[V_23]] : (!fir.ref<tuple<i64, !fir.ref<!fir.array<0xtuple<!fir.ref<none>, !fir.ref<none>, i32, i1>>>, i1>>) -> !fir.ref<none>
+  ! CHECK:     %[[V_25:[0-9]+]] = fir.insert_value %[[V_22]], %[[V_24]], [3 : index] : (tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>, !fir.ref<none>) -> tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>
+  ! CHECK:     fir.store %[[V_25]] to %[[V_16]] : !fir.ref<tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>>
+  ! CHECK:     %[[V_26:[0-9]+]] = fir.convert %[[V_16]] : (!fir.ref<tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>>) -> !fir.ref<tuple<>>
+  ! CHECK:     %[[V_27:[0-9]+]] = fir.call @_FortranAioInputNamelist(%[[V_7]], %[[V_26]]) fastmath<contract> : (!fir.ref<i8>, !fir.ref<tuple<>>) -> i1
+  ! CHECK:     %[[V_28:[0-9]+]] = fir.call @_FortranAioEndIoStatement(%[[V_7]]) fastmath<contract> : (!fir.ref<i8>) -> i32
   namelist /rrr/ xxx
-  ! CHECK: [[xxx:%[0-9]+]] = fir.alloca {{.*}} = "xxx"
-  ! CHECK: [[cookie:%[0-9]+]] = fir.call @_FortranAioBeginExternalListInput
-  ! CHECK: alloca
-  ! CHECK: undefined
-  ! CHECK: fir.address_of{{.*}}787878
-  ! CHECK: fir.insert_value
-  ! CHECK: fir.shape_shift %c11
-  ! CHECK: fir.embox [[xxx]]
-  ! CHECK: fir.insert_value
-  ! CHECK: fir.alloca
-  ! CHECK: fir.undefined
-  ! CHECK: fir.address_of{{.*}}727272
-  ! CHECK-COUNT-3: fir.insert_value
-  ! CHECK: fir.call @_FortranAioInputNamelist([[cookie]]
-  ! CHECK: fir.call @_FortranAioEndIoStatement([[cookie]]
   read(*, rrr)
 end
 
-! CHECK-LABEL: global_pointer
+! CHECK-LABEL: c.func @_QPglobal_pointer
 subroutine global_pointer
   real,pointer,save::ptrarray(:)
-  ! CHECK: %[[a0:.*]] = fir.address_of
+  ! CHECK:     %[[V_4:[0-9]+]] = fir.call @_FortranAioBeginExternalListOutput
+  ! CHECK:     %[[V_5:[0-9]+]] = fir.address_of(@_QFglobal_pointerNmygroup) : !fir.ref<tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>>
+  ! CHECK:     %[[V_6:[0-9]+]] = fir.convert %[[V_5]] : (!fir.ref<tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>>) -> !fir.ref<tuple<>>
+  ! CHECK:     %[[V_7:[0-9]+]] = fir.call @_FortranAioOutputNamelist(%[[V_4]], %[[V_6]]) fastmath<contract> : (!fir.ref<i8>, !fir.ref<tuple<>>) -> i1
+  ! CHECK:     %[[V_8:[0-9]+]] = fir.call @_FortranAioEndIoStatement(%[[V_4]]) fastmath<contract> : (!fir.ref<i8>) -> i32
   namelist/mygroup/ptrarray
-  ! CHECK: %[[a1:.*]] = fir.convert %[[a0]]
-  ! CHECK: %[[a2:.*]] = fir.call @_FortranAioBeginExternalListOutput({{.*}}, %[[a1]], {{.*}}) {{.*}}: (i32, !fir.ref<i8>, i32) -> !fir.ref<i8>
-  ! CHECK: %[[a3:.*]] = fir.address_of
-  ! CHECK: %[[a4:.*]] = fir.convert %[[a3]]
-  ! CHECK: %[[a5:.*]] = fir.call @_FortranAioOutputNamelist(%[[a2]], %[[a4]])
-  ! CHECK: %[[a6:.*]] = fir.call @_FortranAioEndIoStatement(%[[a2]])
   write(10, nml=mygroup)
 end
 
-  ! CHECK-DAG: fir.global linkonce @_QQclX6A6A6A00 constant : !fir.char<1,4>
-  ! CHECK-DAG: fir.global linkonce @_QQclX63636300 constant : !fir.char<1,4>
-  ! CHECK-DAG: fir.global linkonce @_QQclX6E6E6E00 constant : !fir.char<1,4>
+module mmm
+  real rrr
+  namelist /aaa/ rrr
+end
+
+! CHECK-LABEL: c.func @_QPrename
+subroutine rename
+  use mmm, bbb => aaa
+  rrr = 3.
+  ! CHECK:     %[[V_4:[0-9]+]] = fir.call @_FortranAioBeginExternalListOutput
+  ! CHECK:     %[[V_5:[0-9]+]] = fir.address_of(@_QMmmmNaaa) : !fir.ref<tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>>
+  ! CHECK:     %[[V_6:[0-9]+]] = fir.convert %[[V_5]] : (!fir.ref<tuple<!fir.ref<i8>, i64, !fir.ref<!fir.array<1xtuple<!fir.ref<i8>, !fir.ref<!fir.box<none>>>>>, !fir.ref<none>>>) -> !fir.ref<tuple<>>
+  ! CHECK:     %[[V_7:[0-9]+]] = fir.call @_FortranAioOutputNamelist(%[[V_4]], %[[V_6]]) fastmat...
[truncated]

``````````

</details>


https://github.com/llvm/llvm-project/pull/75264


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