[llvm-bugs] [Bug 43328] New: Run the testsuite of clang, facing an error in backend: RISC-V backend.

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=43328

            Bug ID: 43328
           Summary: Run the testsuite of clang, facing an error in
                    backend: RISC-V backend.
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: RISC-V
          Assignee: unassignedbugs at nondot.org
          Reporter: fkladdu at gmail.com
                CC: asb at lowrisc.org, llvm-bugs at lists.llvm.org

step's:
--------
1. mkdir venv

2. virtualenv venv

3. sudo -H pip3 install pipenv

4. pip3 install svn+http://llvm.org/svn/llvm-project/llvm/trunk/utils/lit

5. sudo pip3 install svn+http://llvm.org/svn/llvm-project/llvm/trunk/utils/lit

6. git clone https://github.com/llvm/llvm-test-suite.git test-suite

7. mkdir test-suite-build

8. cd test-suite-build/

9. cmake
-DCMAKE_C_COMPILER=/home/khan/work-space/Tools/llvm/Baisc-llvm/Exe-linux/bin/clang
-C../test-suite/cmake/caches/O3.cmake ../test-suite 
 1838  make

Here Got an Error,

output: Got an Error as follows,
--------------------------------

fatal error: error in backend: RISC-V backend can't currently handle functions
that need stack realignment and have variable sized objects
clang-10: error: clang frontend command failed with exit code 70 (use -v to see
invocation)
clang version 10.0.0 (https://github.com/llvm/llvm-project.git
ce74c3b19f5b60d427977f21e506c26a3f40bd7f)
Target: riscv64-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/khan/work-space/Tools/llvm/Baisc-llvm/Exe-linux/bin
clang-10: note: diagnostic msg: PLEASE submit a bug report to
https://bugs.llvm.org/ and include the crash backtrace, preprocessed source,
and associated run script.
clang-10: note: diagnostic msg: 
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-10: note: diagnostic msg: /tmp/frame_layout-a383b8.cpp
clang-10: note: diagnostic msg: /tmp/frame_layout-a383b8.sh
clang-10: note: diagnostic msg: 

********************
MultiSource/UnitTests/C++11/frame_layout/CMakeFiles/frame_layout.dir/build.make:86:
recipe for target
'MultiSource/UnitTests/C++11/frame_layout/CMakeFiles/frame_layout.dir/frame_layout.cpp.o'
failed
make[2]: ***
[MultiSource/UnitTests/C++11/frame_layout/CMakeFiles/frame_layout.dir/frame_layout.cpp.o]
Error 70
CMakeFiles/Makefile2:14860: recipe for target
'MultiSource/UnitTests/C++11/frame_layout/CMakeFiles/frame_layout.dir/all'
failed
make[1]: ***
[MultiSource/UnitTests/C++11/frame_layout/CMakeFiles/frame_layout.dir/all]
Error 2
Makefile:127: recipe for target 'all' failed


 * I tried to attach mentioned files but they are not present.
 * Can anyone help me to sort this issue.
Thanks,
ghalib khan.

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