[llvm] [VPlan] Replicate VPScalarIVStepsRecipe by VF outside replicate regions. (PR #170053)
via llvm-commits
llvm-commits at lists.llvm.org
Tue Mar 3 10:54:02 PST 2026
github-actions[bot] wrote:
<!--PREMERGE ADVISOR COMMENT: Windows-->
# :window: Windows x64 Test Results
* 131717 tests passed
* 2970 tests skipped
* 1 test failed
## Failed Tests
(click on a test name to see its output)
### LLVM
<details>
<summary>LLVM.Transforms/LoopVectorize/if-pred-stores.ll</summary>
```
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 2
c:\_work\llvm-project\llvm-project\build\bin\opt.exe -S -vectorize-num-stores-pred=1 -force-vector-width=1 -force-vector-interleave=2 -passes=loop-vectorize,simplifycfg -verify-loop-info -simplifycfg-require-and-preserve-domtree=1 < C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\if-pred-stores.ll | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\if-pred-stores.ll --check-prefix=UNROLL
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\opt.exe' -S -vectorize-num-stores-pred=1 -force-vector-width=1 -force-vector-interleave=2 -passes=loop-vectorize,simplifycfg -verify-loop-info -simplifycfg-require-and-preserve-domtree=1
# 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\if-pred-stores.ll' --check-prefix=UNROLL
# note: command had no output on stdout or stderr
# RUN: at line 3
c:\_work\llvm-project\llvm-project\build\bin\opt.exe -S -vectorize-num-stores-pred=1 -force-vector-width=1 -force-vector-interleave=2 -passes=loop-vectorize -verify-loop-info < C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\if-pred-stores.ll | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\if-pred-stores.ll --check-prefix=UNROLL-NOSIMPLIFY
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\opt.exe' -S -vectorize-num-stores-pred=1 -force-vector-width=1 -force-vector-interleave=2 -passes=loop-vectorize -verify-loop-info
# 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\if-pred-stores.ll' --check-prefix=UNROLL-NOSIMPLIFY
# note: command had no output on stdout or stderr
# RUN: at line 4
c:\_work\llvm-project\llvm-project\build\bin\opt.exe -S -vectorize-num-stores-pred=1 -force-vector-width=2 -force-vector-interleave=1 -passes=loop-vectorize,simplifycfg -verify-loop-info -simplifycfg-require-and-preserve-domtree=1 < C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\if-pred-stores.ll | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\if-pred-stores.ll --check-prefix=VEC
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\opt.exe' -S -vectorize-num-stores-pred=1 -force-vector-width=2 -force-vector-interleave=1 -passes=loop-vectorize,simplifycfg -verify-loop-info -simplifycfg-require-and-preserve-domtree=1
# 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\if-pred-stores.ll' --check-prefix=VEC
# .---command stderr------------
# | C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\if-pred-stores.ll:836:13: error: VEC-NEXT: expected string not found in input
# | ; VEC-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
# | ^
# | <stdin>:233:63: note: scanning from here
# | %index = phi i64 [ %index.next, %vector.body ], [ 0, %entry ]
# | ^
# | <stdin>:233:63: note: with "INDEX" equal to "%index"
# | %index = phi i64 [ %index.next, %vector.body ], [ 0, %entry ]
# | ^
# | <stdin>:270:5: note: possible intended match here
# | %iv.next = add i64 %iv, 1
# | ^
# |
# | Input file: <stdin>
# | Check file: C:\_work\llvm-project\llvm-project\llvm\test\Transforms\LoopVectorize\if-pred-stores.ll
# |
# | -dump-input=help explains the following input dump.
# |
# | Input was:
# | <<<<<<
# | .
# | .
# | .
# | 228: %bound1 = icmp ult ptr %B, %scevgep
# | 229: %found.conflict = and i1 %bound0, %bound1
# | 230: br i1 %found.conflict, label %scalar.ph, label %vector.body
# | 231:
# | 232: vector.body: ; preds = %entry, %vector.body
# | 233: %index = phi i64 [ %index.next, %vector.body ], [ 0, %entry ]
# | next:836'0 X error: no match found
# | next:836'1 with "INDEX" equal to "%index"
# | 234: %0 = add i64 %index, 1
# | next:836'0 ~~~~~~~~~~~~~~~~~~~~~~~~
# | 235: %1 = getelementptr i32, ptr %A, i64 %index
# | next:836'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 236: %2 = getelementptr i32, ptr %A, i64 %0
# | next:836'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 237: %3 = getelementptr i32, ptr %B, i64 %index
# | next:836'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 238: %wide.load = load <2 x i32>, ptr %3, align 4, !alias.scope !8
# | next:836'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | .
# | .
# | .
# | 265: if.else: ; preds = %loop
# | next:836'0 ~~~~~~~~~~~~~~~~~~~~~~~~~
# | 266: store i32 1, ptr %gep.A, align 4
# | next:836'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 267: br label %loop.latch
# | next:836'0 ~~~~~~~~~~~~~~~~~~~~~~
# | 268:
# | next:836'0 ~
# | 269: loop.latch: ; preds = %if.else, %if.then
# | next:836'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 270: %iv.next = add i64 %iv, 1
# | next:836'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | next:836'2 ? possible intended match
# | 271: %ec = icmp eq i64 %iv, 100
# | next:836'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 272: br i1 %ec, label %for.end, label %loop, !llvm.loop !14
# | next:836'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 273:
# | next:836'0 ~
# | 274: for.end: ; preds = %loop.latch
# | next:836'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 275: ret void
# | next:836'0 ~~~~~~~~~~
# | .
# | .
# | .
# | >>>>>>
# `-----------------------------
# 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/170053
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