[clang] [OpenMP] Map const-qualified target map variables as 'to'. (PR #185918)

[via cfe-commits]

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Windows-->
# :window: Windows x64 Test Results

* 53285 tests passed
* 1029 tests skipped
* 1 test failed

## Failed Tests
(click on a test name to see its output)

### Clang
<details>
<summary>Clang.OpenMP/map_const_aggregate.cpp</summary>

```
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
c:\_work\llvm-project\llvm-project\build\bin\clang.exe -cc1 -internal-isystem C:\_work\llvm-project\llvm-project\build\lib\clang\23\include -nostdsysteminc -verify -fopenmp -fopenmp-targets=powerpc64le-ibm-linux-gnu  -triple powerpc64le-unknown-unknown -emit-llvm C:\_work\llvm-project\llvm-project\clang\test\OpenMP\map_const_aggregate.cpp -o - | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe --allow-unused-prefixes C:\_work\llvm-project\llvm-project\clang\test\OpenMP\map_const_aggregate.cpp
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\clang.exe' -cc1 -internal-isystem 'C:\_work\llvm-project\llvm-project\build\lib\clang\23\include' -nostdsysteminc -verify -fopenmp -fopenmp-targets=powerpc64le-ibm-linux-gnu -triple powerpc64le-unknown-unknown -emit-llvm 'C:\_work\llvm-project\llvm-project\clang\test\OpenMP\map_const_aggregate.cpp' -o -
# note: command had no output on stdout or stderr
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe' --allow-unused-prefixes 'C:\_work\llvm-project\llvm-project\clang\test\OpenMP\map_const_aggregate.cpp'
# .---command stderr------------
# | C:\_work\llvm-project\llvm-project\clang\test\OpenMP\map_const_aggregate.cpp:41:11: error: CHECK: expected string not found in input
# | // CHECK: @.offload_maptypes = private unnamed_addr constant [1 x i64] [i64 545]
# |           ^
# | <stdin>:1:1: note: scanning from here
# | ; ModuleID = 'C:\_work\llvm-project\llvm-project\clang\test\OpenMP\map_const_aggregate.cpp'
# | ^
# | <stdin>:33:1: note: possible intended match here
# | @.offload_maptypes = private unnamed_addr constant [2 x i64] [i64 545, i64 288]
# | ^
# | 
# | Input file: <stdin>
# | Check file: C:\_work\llvm-project\llvm-project\clang\test\OpenMP\map_const_aggregate.cpp
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |             1: ; ModuleID = 'C:\_work\llvm-project\llvm-project\clang\test\OpenMP\map_const_aggregate.cpp' 
# | check:41'0     X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
# |             2: source_filename = "C:\\_work\\llvm-project\\llvm-project\\clang\\test\\OpenMP\\map_const_aggregate.cpp" 
# | check:41'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |             3: target datalayout = "e-m:e-Fn32-i64:64-i128:128-n32:64" 
# | check:41'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |             4: target triple = "powerpc64le-unknown-unknown" 
# | check:41'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |             5:  
# | check:41'0     ~
# |             6: %struct.ident_t = type { i32, i32, i32, i32, ptr } 
# | check:41'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |             .
# |             .
# |             .
# |            28:  
# | check:41'0     ~
# |            29: $_ZN18foo_nested_mutableC2Ei = comdat any 
# | check:41'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |            30:  
# | check:41'0     ~
# |            31: @.__omp_offloading_7e4838ac_2f305c7c__Z21test_const_no_mutablev_l66.region_id = weak constant i8 0 
# | check:41'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |            32: @.offload_sizes = private unnamed_addr constant [2 x i64] [i64 4, i64 0] 
# | check:41'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |            33: @.offload_maptypes = private unnamed_addr constant [2 x i64] [i64 545, i64 288] 
# | check:41'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | check:41'1     ?                                                                                possible intended match
# |            34: @0 = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00", align 1 
# | check:41'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |            35: @1 = private unnamed_addr constant %struct.ident_t { i32 0, i32 2, i32 0, i32 22, ptr @0 }, align 8 
# | check:41'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |            36: @.__omp_offloading_7e4838ac_2f305c7c__Z13test_nonconstv_l77.region_id = weak constant i8 0 
# | check:41'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |            37: @.offload_sizes.1 = private unnamed_addr constant [2 x i64] [i64 4, i64 0] 
# | check:41'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |            38: @.offload_maptypes.2 = private unnamed_addr constant [2 x i64] [i64 547, i64 288] 
# | check:41'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |             .
# |             .
# |             .
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1

--

```
</details>

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.

https://github.com/llvm/llvm-project/pull/185918