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[Bugpoint][NewPM] Pin bugpoint to legacy PM 

Bugpoint has lots of assumptions and hacks around the legacy PM, put off migrating it to NPM until later.
Fixes tests under BugPoint under NPM.

Reviewed By: arsenm

Differential Revision: https://reviews.llvm.org/D87655
This commit is contained in:
Arthur Eubanks 2020-09-14 17:17:32 -07:00
parent 05134877e6
commit ca76d6e94a
2 changed files with 4 additions and 1 deletions
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2
llvm/test/BugPoint/unsymbolized.ll
View File

@ -3,7 +3,7 @@
; RUN: echo "print('args = ' + str(sys.argv))" >> %t.py
; RUN: echo "exit(1)" >> %t.py
; RUN: not bugpoint -load %llvmshlibdir/BugpointPasses%shlibext %s -output-prefix %t -bugpoint-crashcalls -opt-command=%python -opt-args %t.py | FileCheck %s
; RUN: not --crash opt -load %llvmshlibdir/BugpointPasses%shlibext %s -bugpoint-crashcalls -disable-symbolication 2>&1 | FileCheck --check-prefix=CRASH %s
; RUN: not --crash opt -enable-new-pm=0 -load %llvmshlibdir/BugpointPasses%shlibext %s -bugpoint-crashcalls -disable-symbolication 2>&1 | FileCheck --check-prefix=CRASH %s
; RUN: not bugpoint -load %llvmshlibdir/BugpointPasses%shlibext %s -output-prefix %t -bugpoint-crashcalls -opt-command=%t.non.existent.opt.binary -opt-args %t.py 2>&1 | FileCheck %s --check-prefix=BAD-OPT
; Test that bugpoint disables symbolication on the opt tool to reduce runtime overhead when opt crashes

3
llvm/tools/bugpoint/OptimizerDriver.cpp
View File

@ -205,6 +205,9 @@ bool BugDriver::runPasses(Module &Program,
for (unsigned i = 0, e = OptArgs.size(); i != e; ++i)
Args.push_back(OptArgs[i]);
// Pin to legacy PM since bugpoint has lots of infra and hacks revolving
// around the legacy PM.
Args.push_back("-enable-new-pm=0");
Args.push_back("-disable-symbolication");
Args.push_back("-o");
Args.push_back(OutputFilename);