[llvm] [ISel] Introduce `llvm.pext` and `llvm.pdep` intrinsics (PR #200570)
via llvm-commits
llvm-commits at lists.llvm.org
Tue Jun 2 00:37:36 PDT 2026
github-actions[bot] wrote:
<!--PREMERGE ADVISOR COMMENT: Windows-->
# :window: Windows x64 Test Results
* 135314 tests passed
* 3346 tests skipped
* 2 tests failed
## Failed Tests
(click on a test name to see its output)
### LLVM
<details>
<summary>LLVM.CodeGen/AArch64/pdep.ll</summary>
```
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 2
c:\_work\llvm-project\llvm-project\build\bin\llc.exe < C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\AArch64\pdep.ll -mtriple=aarch64 -mattr=+sve2-bitperm | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\AArch64\pdep.ll --check-prefix=BITPERM
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\llc.exe' -mtriple=aarch64 -mattr=+sve2-bitperm
# note: command had no output on stdout or stderr
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe' 'C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\AArch64\pdep.ll' --check-prefix=BITPERM
# note: command had no output on stdout or stderr
# RUN: at line 3
c:\_work\llvm-project\llvm-project\build\bin\llc.exe < C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\AArch64\pdep.ll -mtriple=aarch64 -mattr=+sve2 | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\AArch64\pdep.ll --check-prefix=NOSVE2BITPERM
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\llc.exe' -mtriple=aarch64 -mattr=+sve2
# note: command had no output on stdout or stderr
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe' 'C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\AArch64\pdep.ll' --check-prefix=NOSVE2BITPERM
# .---command stderr------------
# | C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\AArch64\pdep.ll:974:23: error: NOSVE2BITPERM-NEXT: expected string not found in input
# | ; NOSVE2BITPERM-NEXT: str x29, [sp, #-16]! // 8-byte Folded Spill
# | ^
# | <stdin>:932:10: note: scanning from here
# | // %bb.0:
# | ^
# | <stdin>:935:2: note: possible intended match here
# | mov z2.d, #-1 // =0xffffffffffffffff
# | ^
# |
# | Input file: <stdin>
# | Check file: C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\AArch64\pdep.ll
# |
# | -dump-input=help explains the following input dump.
# |
# | Input was:
# | <<<<<<
# | .
# | .
# | .
# | 927: .globl pdep_nxv2i64 // -- Begin function pdep_nxv2i64
# | 928: .p2align 2
# | 929: .type pdep_nxv2i64, at function
# | 930: .variant_pcs pdep_nxv2i64
# | 931: pdep_nxv2i64: // @pdep_nxv2i64
# | 932: // %bb.0:
# | next:974'0 X error: no match found
# | 933: movprfx z3, z1
# | next:974'0 ~~~~~~~~~~~~~~~~
# | 934: subr z3.b, z3.b, #255 // =0xff
# | next:974'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 935: mov z2.d, #-1 // =0xffffffffffffffff
# | next:974'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | next:974'1 ? possible intended match
# | 936: lsl z4.d, z3.d, #1
# | next:974'0 ~~~~~~~~~~~~~~~~~~~~
# | 937: trn1 z3.s, z2.s, z4.s
# | next:974'0 ~~~~~~~~~~~~~~~~~~~~~~~
# | 938: trn2 z5.s, z4.s, z2.s
# | next:974'0 ~~~~~~~~~~~~~~~~~~~~~~~
# | 939: pmullt z6.d, z5.s, z3.s
# | next:974'0 ~~~~~~~~~~~~~~~~~~~~~~~~~
# | 940: pmullb z5.d, z5.s, z3.s
# | next:974'0 ~~~~~~~~~~~~~~~~~~~~~~~~~
# | .
# | .
# | .
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1
--
```
</details>
<details>
<summary>LLVM.CodeGen/AArch64/pext.ll</summary>
```
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 2
c:\_work\llvm-project\llvm-project\build\bin\llc.exe < C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\AArch64\pext.ll -mtriple=aarch64 -mattr=+sve2-bitperm | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\AArch64\pext.ll --check-prefix=BITPERM
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\llc.exe' -mtriple=aarch64 -mattr=+sve2-bitperm
# note: command had no output on stdout or stderr
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe' 'C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\AArch64\pext.ll' --check-prefix=BITPERM
# note: command had no output on stdout or stderr
# RUN: at line 3
c:\_work\llvm-project\llvm-project\build\bin\llc.exe < C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\AArch64\pext.ll -mtriple=aarch64 -mattr=+sve2 | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\AArch64\pext.ll --check-prefix=NOSVE2BITPERM
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\llc.exe' -mtriple=aarch64 -mattr=+sve2
# note: command had no output on stdout or stderr
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe' 'C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\AArch64\pext.ll' --check-prefix=NOSVE2BITPERM
# .---command stderr------------
# | C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\AArch64\pext.ll:1007:23: error: NOSVE2BITPERM-NEXT: expected string not found in input
# | ; NOSVE2BITPERM-NEXT: str x29, [sp, #-16]! // 8-byte Folded Spill
# | ^
# | <stdin>:963:10: note: scanning from here
# | // %bb.0:
# | ^
# | <stdin>:966:2: note: possible intended match here
# | mov z2.d, #-1 // =0xffffffffffffffff
# | ^
# |
# | Input file: <stdin>
# | Check file: C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\AArch64\pext.ll
# |
# | -dump-input=help explains the following input dump.
# |
# | Input was:
# | <<<<<<
# | .
# | .
# | .
# | 958: .globl pext_nxv2i64 // -- Begin function pext_nxv2i64
# | 959: .p2align 2
# | 960: .type pext_nxv2i64, at function
# | 961: .variant_pcs pext_nxv2i64
# | 962: pext_nxv2i64: // @pext_nxv2i64
# | 963: // %bb.0:
# | next:1007'0 X error: no match found
# | 964: movprfx z3, z1
# | next:1007'0 ~~~~~~~~~~~~~~~~
# | 965: subr z3.b, z3.b, #255 // =0xff
# | next:1007'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 966: mov z2.d, #-1 // =0xffffffffffffffff
# | next:1007'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | next:1007'1 ? possible intended match
# | 967: and z0.d, z0.d, z1.d
# | next:1007'0 ~~~~~~~~~~~~~~~~~~~~~~
# | 968: lsl z3.d, z3.d, #1
# | next:1007'0 ~~~~~~~~~~~~~~~~~~~~
# | 969: trn1 z4.s, z2.s, z3.s
# | next:1007'0 ~~~~~~~~~~~~~~~~~~~~~~~
# | 970: trn2 z5.s, z3.s, z2.s
# | next:1007'0 ~~~~~~~~~~~~~~~~~~~~~~~
# | 971: pmullb z7.d, z3.s, z2.s
# | next:1007'0 ~~~~~~~~~~~~~~~~~~~~~~~~~
# | .
# | .
# | .
# | >>>>>>
# `-----------------------------
# 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/200570
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