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verify-di: Implement DebugInfoVerifier

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Implement DebugInfoVerifier, which steals verification relying on
DebugInfoFinder from Verifier.

  - Adds LegacyDebugInfoVerifierPassPass, a ModulePass which wraps
    DebugInfoVerifier.  Uses -verify-di command-line flag.

  - Change verifyModule() to invoke DebugInfoVerifier as well as
    Verifier.

  - Add a call to createDebugInfoVerifierPass() wherever there was a
    call to createVerifierPass().

This implementation as a module pass should sidestep efficiency issues,
allowing us to turn debug info verification back on.

<rdar://problem/15500563>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206300 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2014-04-15 16:27:38 +00:00
parent abf483ba52
commit 32791b02fa
10 changed files with 137 additions and 53 deletions
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3
lib/LTO/LTOCodeGenerator.cpp
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@ -399,6 +399,7 @@ void LTOCodeGenerator::applyScopeRestrictions() {
// Start off with a verification pass.
PassManager passes;
passes.add(createVerifierPass());
passes.add(createDebugInfoVerifierPass());
// mark which symbols can not be internalized
Mangler Mangler(TargetMach->getDataLayout());
@ -471,6 +472,7 @@ bool LTOCodeGenerator::generateObjectFile(raw_ostream &out,
// Start off with a verification pass.
passes.add(createVerifierPass());
passes.add(createDebugInfoVerifierPass());
// Add an appropriate DataLayout instance for this module...
mergedModule->setDataLayout(TargetMach->getDataLayout());
@ -492,6 +494,7 @@ bool LTOCodeGenerator::generateObjectFile(raw_ostream &out,
// Make sure everything is still good.
passes.add(createVerifierPass());
passes.add(createDebugInfoVerifierPass());
PassManager codeGenPasses;