[LLVMdev] Parallel testsuite run breaks

[David A. Greene]

greened at obbligato.org (David A. Greene) writes:

> greened at obbligato.org (David A. Greene) writes:
>
>> For now, I think if I tweak the way I do the build to always build
>> without pointing to llvm-gcc first, build and test LLVM then build
>> llvm-gcc and re-build LLVM, it should work.  It will take much longer,
>> though.  :(
>
> I updated the bug explaining what I'm seeing.  I think the correct fix
> is to use absolute paths to tools being tested rather than relying on
> PATH.

So I tried adding this to llvm.exp::substitute:

[...]

  global llvmdsymutil valgrind grep gas bugpoint_topts llvmtoolsdir

[...]

# Replace references to llvm tools to tools in OBJDIR.
  regsub -all {bugpoint } $new_line "$llvmtoolsdir/bugpoint " new_line
  regsub -all {llc } $new_line "$llvmtoolsdir/llc " new_line
  regsub -all {lli } $new_line "$llvmtoolsdir/lli " new_line
  regsub -all {llvm-ar } $new_line "$llvmtoolsdir/llvm-ar " new_line
  regsub -all {llvm-as } $new_line "$llvmtoolsdir/llvm-as " new_line
  regsub -all {llvm-bcanalyzer } $new_line "$llvmtoolsdir/llvm-bcanalyzer " new_line
  regsub -all {llvm-dis } $new_line "$llvmtoolsdir/llvm-dis " new_line
  regsub -all {llvm-extract } $new_line "$llvmtoolsdir/llvm-extract " new_line
  regsub -all {llvm-ld } $new_line "$llvmtoolsdir/llvm-ld " new_line
  regsub -all {llvm-link } $new_line "$llvmtoolsdir/llvm-link " new_line
  regsub -all {llvm-nm } $new_line "$llvmtoolsdir/llvm-nm " new_line
  regsub -all {llvm-prof } $new_line "$llvmtoolsdir/llvm-prof " new_line
  regsub -all {llvm-ranlib } $new_line "$llvmtoolsdir/llvm-ranlib " new_line
  regsub -all {([^a-zA-Z_-])opt } $new_line "$llvmtoolsdir/\\1opt " new_line
  regsub -all {opt } $new_line "$llvmtoolsdir/opt " new_line
  regsub -all {tblgen } $new_line "$llvmtoolsdir/tblgen " new_line

It appears to work for clang tests:

[x86_64-off-opt]: FAIL: Clang :: CodeCompletion/ordinary-name.c (432 of 8411)
[x86_64-off-opt]: ******************** TEST 'Clang :: CodeCompletion/ordinary-name.c' FAILED ********************
[x86_64-off-opt]: Script:
[x86_64-off-opt]: --
[x86_64-off-opt]: /ptmp/dag/build.llvm.trunk.official.opt/x86_64-unknown-linux-gnu/Release+Asserts/bin/clang -cc1 -isystem /ptmp/dag/llvm-project.official/llvm/trunk/tools/clang/test/CodeCompletion/Inputs -fsyntax-only -code-completion-at=/ptmp/dag/llvm-project.official/llvm/trunk/tools/clang/test/CodeCompletion/ordinary-name.c:6:9 /ptmp/dag/llvm-project.official/llvm/trunk/tools/clang/test/CodeCompletion/ordinary-name.c -o - | FileCheck -check-prefix=CHECK-CC1 /ptmp/dag/llvm-project.official/llvm/trunk/tools/clang/test/CodeCompletion/ordinary-name.c
[x86_64-off-opt]: /ptmp/dag/build.llvm.trunk.official.opt/x86_64-unknown-linux-gnu/Release+Asserts/bin/clang -cc1 -isystem /ptmp/dag/llvm-project.official/llvm/trunk/tools/clang/test/CodeCompletion/Inputs -fsyntax-only -code-completion-at=/ptmp/dag/llvm-project.official/llvm/trunk/tools/clang/test/CodeCompletion/ordinary-name.c:1:11 /ptmp/dag/llvm-project.official/llvm/trunk/tools/clang/test/CodeCompletion/ordinary-name.c
[x86_64-off-opt]: --
[x86_64-off-opt]: Exit Code: 134

but it does not appear to do anything for LLVM tests:

[x86_64-off-opt]: FAIL: LLVM :: Analysis/BasicAA/2010-09-15-GEP-SignedArithmetic.ll (2731 of 8411)
[x86_64-off-opt]: ******************** TEST 'LLVM :: Analysis/BasicAA/2010-09-15-GEP-SignedArithmetic.ll' FAILED ********************
[x86_64-off-opt]: Script:
[x86_64-off-opt]: --
[x86_64-off-opt]: opt < /ptmp/dag/llvm-project.official/llvm/trunk/test/Analysis/BasicAA/2010-09-15-GEP-SignedArithmetic.ll -basicaa -aa-eval -print-all-alias-modref-info -disable-output |& grep {1 may alias}
[x86_64-off-opt]: --
[x86_64-off-opt]: Exit Code: 1
[x86_64-off-opt]: 
[x86_64-off-opt]: ********************

I cannot figure out where in lit the test script gets printed out.

Any hints on how to make absolute paths stick?

                               -Dave