[PATCH] D101305: [LoopInterchange] Fix legality for triangular loops

[Leonard Chan via Phabricator via llvm-commits]

leonardchan added a comment.

Looks like this patch might be leading to the test failure we're seeing on our two-stage-builders (https://luci-milo.appspot.com/p/fuchsia/builders/prod/clang-linux-x64/b8847508232983084096):

  FAIL: LLVM :: Transforms/LoopInterchange/inner-indvar-depend-on-outer-indvar.ll (31462 of 43640)
  ******************** TEST 'LLVM :: Transforms/LoopInterchange/inner-indvar-depend-on-outer-indvar.ll' FAILED ********************
  Script:
  --
  : 'RUN: at line 1';   /b/s/w/ir/x/w/staging/llvm_build/tools/clang/stage2-bins/bin/opt < /b/s/w/ir/x/w/llvm-project/llvm/test/Transforms/LoopInterchange/inner-indvar-depend-on-outer-indvar.ll -basic-aa -loop-interchange -verify-dom-info -verify-loop-info      -S -debug 2>&1 | /b/s/w/ir/x/w/staging/llvm_build/tools/clang/stage2-bins/bin/FileCheck /b/s/w/ir/x/w/llvm-project/llvm/test/Transforms/LoopInterchange/inner-indvar-depend-on-outer-indvar.ll
  --
  Exit Code: 1
  
  Command Output (stderr):
  --
  /b/s/w/ir/x/w/llvm-project/llvm/test/Transforms/LoopInterchange/inner-indvar-depend-on-outer-indvar.ll:14:10: error: CHECK: expected string not found in input
  ; CHECK: Loop structure not understood by pass
           ^
  <stdin>:1:1: note: scanning from here
  opt: Unknown command line argument '-debug'. Try: '/b/s/w/ir/x/w/staging/llvm_build/tools/clang/stage2-bins/bin/opt --help'
  ^
  <stdin>:1:19: note: possible intended match here
  opt: Unknown command line argument '-debug'. Try: '/b/s/w/ir/x/w/staging/llvm_build/tools/clang/stage2-bins/bin/opt --help'
                    ^
  
  Input file: <stdin>
  Check file: /b/s/w/ir/x/w/llvm-project/llvm/test/Transforms/LoopInterchange/inner-indvar-depend-on-outer-indvar.ll
  
  -dump-input=help explains the following input dump.
  
  Input was:
  <<<<<<
              1: opt: Unknown command line argument '-debug'. Try: '/b/s/w/ir/x/w/staging/llvm_build/tools/clang/stage2-bins/bin/opt --help' 
  check:14'0     X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
  check:14'1                       ?                                                                                                          possible intended match
              2: opt: Did you mean '--debugify'? 
  check:14'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  >>>>>>
  
  --
  
  ********************
  Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.. 
  ********************
  Failed Tests (1):
    LLVM :: Transforms/LoopInterchange/inner-indvar-depend-on-outer-indvar.ll
  
  
  Testing Time: 47.05s
    Unsupported      : 11360
    Passed           : 32216
    Expectedly Failed:    63
    Failed           :     1

Is this a known issue?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D101305/new/

https://reviews.llvm.org/D101305