[llvm] [AArch64][SVE] Allow scalable factor-3 interleaved accesses (PR #200424)
via llvm-commits
llvm-commits at lists.llvm.org
Wed Jul 15 03:05:36 PDT 2026
github-actions[bot] wrote:
<!--PREMERGE ADVISOR COMMENT: Windows-->
# :window: Windows x64 Test Results
* 138499 tests passed
* 3541 tests skipped
* 1 test failed
## Failed Tests
(click on a test name to see its output)
### LLVM
<details>
<summary>LLVM.Transforms/LoopVectorize/AArch64/sve-tail-folding-option.ll</summary>
```
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 2
c:\_work\llvm-project\llvm-project\build\bin\opt.exe < C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\AArch64\sve-tail-folding-option.ll -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -sve-tail-folding=disabled -S | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\AArch64\sve-tail-folding-option.ll -check-prefix=CHECK-NOTF
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\opt.exe' -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -sve-tail-folding=disabled -S
# 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\Transforms\LoopVectorize\AArch64\sve-tail-folding-option.ll' -check-prefix=CHECK-NOTF
# note: command had no output on stdout or stderr
# RUN: at line 3
c:\_work\llvm-project\llvm-project\build\bin\opt.exe < C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\AArch64\sve-tail-folding-option.ll -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -sve-tail-folding=default -S | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\AArch64\sve-tail-folding-option.ll -check-prefix=CHECK-NOTF
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\opt.exe' -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -sve-tail-folding=default -S
# 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\Transforms\LoopVectorize\AArch64\sve-tail-folding-option.ll' -check-prefix=CHECK-NOTF
# note: command had no output on stdout or stderr
# RUN: at line 4
c:\_work\llvm-project\llvm-project\build\bin\opt.exe < C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\AArch64\sve-tail-folding-option.ll -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -S | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\AArch64\sve-tail-folding-option.ll -check-prefix=CHECK-NOTF
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\opt.exe' -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -S
# 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\Transforms\LoopVectorize\AArch64\sve-tail-folding-option.ll' -check-prefix=CHECK-NOTF
# note: command had no output on stdout or stderr
# RUN: at line 5
c:\_work\llvm-project\llvm-project\build\bin\opt.exe < C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\AArch64\sve-tail-folding-option.ll -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -sve-tail-folding=all -S | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\AArch64\sve-tail-folding-option.ll -check-prefix=CHECK-TF-ALL
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\opt.exe' -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -sve-tail-folding=all -S
# 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\Transforms\LoopVectorize\AArch64\sve-tail-folding-option.ll' -check-prefix=CHECK-TF-ALL
# note: command had no output on stdout or stderr
# RUN: at line 6
c:\_work\llvm-project\llvm-project\build\bin\opt.exe < C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\AArch64\sve-tail-folding-option.ll -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -sve-tail-folding=simple+reductions+recurrences+reverse -S | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\AArch64\sve-tail-folding-option.ll -check-prefix=CHECK-TF
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\opt.exe' -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -sve-tail-folding=simple+reductions+recurrences+reverse -S
# 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\Transforms\LoopVectorize\AArch64\sve-tail-folding-option.ll' -check-prefix=CHECK-TF
# note: command had no output on stdout or stderr
# RUN: at line 7
c:\_work\llvm-project\llvm-project\build\bin\opt.exe < C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\AArch64\sve-tail-folding-option.ll -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -S -mcpu=neoverse-v1 -sve-tail-folding=default+reductions+recurrences+reverse | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\AArch64\sve-tail-folding-option.ll -check-prefix=CHECK-TF-DEFAULT
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\opt.exe' -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -S -mcpu=neoverse-v1 -sve-tail-folding=default+reductions+recurrences+reverse
# 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\Transforms\LoopVectorize\AArch64\sve-tail-folding-option.ll' -check-prefix=CHECK-TF-DEFAULT
# .---command stderr------------
# | C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\AArch64\sve-tail-folding-option.ll:1262:26: error: CHECK-TF-DEFAULT-NEXT: expected string not found in input
# | ; CHECK-TF-DEFAULT-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N]], 4
# | ^
# | <stdin>:109:12: note: scanning from here
# | iter.check:
# | ^
# | <stdin>:109:12: note: with "N" equal to "%n"
# | iter.check:
# | ^
# | <stdin>:109:12: note: pattern attempts to capture variables: "MIN_ITERS_CHECK"
# | iter.check:
# | ^
# | <stdin>:112:13: note: possible intended match here
# | %min.iters.check = icmp ult i64 %n, %1
# | ^
# | C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\AArch64\sve-tail-folding-option.ll:2252:23: error: undefined variable: LOOP5
# | ; CHECK-TF-DEFAULT: [[LOOP5]] = distinct !{[[LOOP5]], [[META1]], [[META2]]}
# | ^
# | C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\AArch64\sve-tail-folding-option.ll:2252:46: error: undefined variable: LOOP5
# | ; CHECK-TF-DEFAULT: [[LOOP5]] = distinct !{[[LOOP5]], [[META1]], [[META2]]}
# | ^
# | <stdin>:319:28: note: with "META1" equal to "!1"
# | !4 = distinct !{!4, !1, !2}
# | ^
# | <stdin>:319:28: note: with "META2" equal to "!2"
# | !4 = distinct !{!4, !1, !2}
# | ^
# | <stdin>:320:2: note: possible intended match here
# | !5 = distinct !{!5, !1, !2}
# | ^
# |
# | Input file: <stdin>
# | Check file: C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\AArch64\sve-tail-folding-option.ll
# |
# | -dump-input=help explains the following input dump.
# |
# | Input was:
# | <<<<<<
# | .
# | .
# | .
# | 104: for.end: ; preds = %middle.block
# | 105: ret void
# | 106: }
# | 107:
# | 108: define void @interleave(ptr noalias %dst, ptr noalias %src, i64 %n) #0 {
# | 109: iter.check:
# | next:1262'0 { search range start (exclusive)
# | next:1262'1 error: no match found in search range
# | next:1262'2 with "N" equal to "%n"
# | next:1262'3 pattern attempts to capture variables: "MIN_ITERS_CHECK"
# | 110: %0 = call i64 @llvm.vscale.i64()
# | 111: %1 = shl nuw i64 %0, 2
# | 112: %min.iters.check = icmp ult i64 %n, %1
# | next:1262'4 ? possible intended match
# | 113: %2 = call i64 @llvm.vscale.i64()
# | 114: %3 = shl nuw i64 %2, 2
# | 115: br i1 %min.iters.check, label %vec.epilog.scalar.ph, label %vector.main.loop.iter.check
# | 116:
# | 117: vector.main.loop.iter.check: ; preds = %iter.check
# | .
# | .
# | .
# | 218:
# | 219: for.end: ; preds = %vec.epilog.middle.block, %middle.block, %for.body
# | 220: ret void
# | 221: }
# | 222:
# | 223: define void @reverse(ptr noalias %dst, ptr noalias %src) #0 {
# | next:1262'5 } search range end (exclusive)
# | 224: entry:
# | 225: br label %vector.ph
# | 226:
# | 227: vector.ph: ; preds = %entry
# | 228: %0 = call i64 @llvm.vscale.i64()
# | .
# | .
# | .
# | 314:
# | 315: !0 = distinct !{!0, !1, !2}
# | 316: !1 = !{!"llvm.loop.isvectorized", i32 1}
# | 317: !2 = !{!"llvm.loop.unroll.runtime.disable"}
# | 318: !3 = distinct !{!3, !1, !2}
# | 319: !4 = distinct !{!4, !1, !2}
# | check:2252'0 { search range start (exclusive)
# | check:2252'1 error: match failed for invalid pattern
# | check:2252'2 undefined variable: LOOP5
# | check:2252'3 undefined variable: LOOP5
# | check:2252'4 with "META1" equal to "!1"
# | check:2252'5 with "META2" equal to "!2"
# | 320: !5 = distinct !{!5, !1, !2}
# | check:2252'6 ? possible intended match
# | 321: !6 = !{!"branch_weights", i32 8, i32 8}
# | 322: !7 = distinct !{!7, !1, !2}
# | 323: !8 = distinct !{!8, !2, !1}
# | 324: !9 = distinct !{!9, !1, !2}
# | check:2252'7 } search range end (exclusive)
# | >>>>>>
# `-----------------------------
# 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/200424
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