[clang] [llvm] [RISCV] Preliminary P-ext intrinsics support (PR #174068)

[via cfe-commits]

github-actions[bot] wrote:

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

* 129010 tests passed
* 2843 tests skipped
* 1 test failed

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

### LLVM
<details>
<summary>LLVM.CodeGen/RISCV/rvp-ext-rv32.ll</summary>

```
Exit Code: 2

Command Output (stdout):
--
# RUN: at line 2
c:\_work\llvm-project\llvm-project\build\bin\llc.exe -mtriple=riscv32 -mattr=+experimental-p -riscv-enable-p-ext-simd-codegen -verify-machineinstrs < C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\RISCV\rvp-ext-rv32.ll | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe --check-prefixes=CHECK,CHECK-RV32 C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\RISCV\rvp-ext-rv32.ll
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\llc.exe' -mtriple=riscv32 -mattr=+experimental-p -riscv-enable-p-ext-simd-codegen -verify-machineinstrs
# note: command had no output on stdout or stderr
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe' --check-prefixes=CHECK,CHECK-RV32 'C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\RISCV\rvp-ext-rv32.ll'
# note: command had no output on stdout or stderr
# RUN: at line 3
c:\_work\llvm-project\llvm-project\build\bin\llc.exe -mtriple=riscv64 -mattr=+experimental-p -riscv-enable-p-ext-simd-codegen -verify-machineinstrs < C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\RISCV\rvp-ext-rv32.ll | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe --check-prefixes=CHECK,CHECK-RV64 C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\RISCV\rvp-ext-rv32.ll
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\llc.exe' -mtriple=riscv64 -mattr=+experimental-p -riscv-enable-p-ext-simd-codegen -verify-machineinstrs
# .---command stderr------------
# | LLVM ERROR: Cannot select: t13: ch = store<(store (s32) into %ir.ret_ptr)> t12, t11, t2, undef:i64
# |   t11: v2i16 = add t9, t10
# |     t9: v2i16,ch = load<(load (s32) from %ir.a_ptr)> t0, t4, undef:i64
# |       t4: i64,ch = CopyFromReg t0, Register:i64 %1
# |     t10: v2i16,ch = load<(load (s32) from %ir.b_ptr)> t0, t6, undef:i64
# |       t6: i64,ch = CopyFromReg t0, Register:i64 %2
# |   t2: i64,ch = CopyFromReg t0, Register:i64 %0
# | In function: test_padd_h
# | PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug.
# | Stack dump:
# | 0.	Program arguments: c:\\_work\\llvm-project\\llvm-project\\build\\bin\\llc.exe -mtriple=riscv64 -mattr=+experimental-p -riscv-enable-p-ext-simd-codegen -verify-machineinstrs
# | 1.	Running pass 'Function Pass Manager' on module '<stdin>'.
# | 2.	Running pass 'RISC-V DAG->DAG Pattern Instruction Selection' on function '@test_padd_h'
# | Exception Code: 0xC000001D
# |  #0 0x00007ff70d106066 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x2c66066)
# |  #1 0x00007ffe5279bb04 (C:\Windows\System32\ucrtbase.dll+0x7bb04)
# |  #2 0x00007ffe5279cad1 (C:\Windows\System32\ucrtbase.dll+0x7cad1)
# |  #3 0x00007ff70ab91a3b (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x6f1a3b)
# |  #4 0x00007ff70ab5bcaa (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x6bbcaa)
# |  #5 0x00007ff70ab5af50 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x6baf50)
# |  #6 0x00007ff70be0b11f (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x196b11f)
# |  #7 0x00007ff70ab4cafb (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x6acafb)
# |  #8 0x00007ff70ab4b5e5 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x6ab5e5)
# |  #9 0x00007ff70ab491de (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x6a91de)
# | #10 0x00007ff70ab487a5 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x6a87a5)
# | #11 0x00007ff70ab4474c (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x6a474c)
# | #12 0x00007ff70ab41a84 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x6a1a84)
# | #13 0x00007ff70aed9733 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0xa39733)
# | #14 0x00007ff70a958512 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x4b8512)
# | #15 0x00007ff70a9615ed (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x4c15ed)
# | #16 0x00007ff70a9591f1 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x4b91f1)
# | #17 0x00007ff70a4a7c1c (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x7c1c)
# | #18 0x00007ff70a4a4e86 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x4e86)
# | #19 0x00007ff70eaa68b4 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x46068b4)
# | #20 0x00007ffe5ac34cb0 (C:\Windows\System32\KERNEL32.DLL+0x14cb0)
# | #21 0x00007ffe624fedcb (C:\Windows\SYSTEM32\ntdll.dll+0x7edcb)
# `-----------------------------
# error: command failed with exit status: 0xc000001d
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe' --check-prefixes=CHECK,CHECK-RV64 'C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\RISCV\rvp-ext-rv32.ll'
# .---command stderr------------
# | FileCheck error: '<stdin>' is empty.
# | FileCheck command line:  c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe --check-prefixes=CHECK,CHECK-RV64 C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\RISCV\rvp-ext-rv32.ll
# `-----------------------------
# error: command failed with exit status: 2

--

```
</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/174068