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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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18
tools/opt/opt.cpp
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@@ -191,7 +191,10 @@ static inline void addPass(PassManagerBase &PM, Pass *P) {
PM.add(P);
// If we are verifying all of the intermediate steps, add the verifier...
if (VerifyEach) PM.add(createVerifierPass());
if (VerifyEach) {
PM.add(createVerifierPass());
PM.add(createDebugInfoVerifierPass());
}
}
/// AddOptimizationPasses - This routine adds optimization passes
@@ -201,7 +204,8 @@ static inline void addPass(PassManagerBase &PM, Pass *P) {
/// OptLevel - Optimization Level
static void AddOptimizationPasses(PassManagerBase &MPM,FunctionPassManager &FPM,
unsigned OptLevel, unsigned SizeLevel) {
FPM.add(createVerifierPass()); // Verify that input is correct
FPM.add(createVerifierPass()); // Verify that input is correct
MPM.add(createDebugInfoVerifierPass()); // Verify that debug info is correct
PassManagerBuilder Builder;
Builder.OptLevel = OptLevel;
@@ -240,6 +244,9 @@ static void AddStandardCompilePasses(PassManagerBase &PM) {
if (StripDebug)
addPass(PM, createStripSymbolsPass(true));
// Verify debug info only after it's (possibly) stripped.
PM.add(createDebugInfoVerifierPass());
if (DisableOptimizations) return;
// -std-compile-opts adds the same module passes as -O3.
@@ -257,6 +264,9 @@ static void AddStandardLinkPasses(PassManagerBase &PM) {
if (StripDebug)
addPass(PM, createStripSymbolsPass(true));
// Verify debug info only after it's (possibly) stripped.
PM.add(createDebugInfoVerifierPass());
if (DisableOptimizations) return;
PassManagerBuilder Builder;
@@ -600,8 +610,10 @@ int main(int argc, char **argv) {
}
// Check that the module is well formed on completion of optimization
if (!NoVerify && !VerifyEach)
if (!NoVerify && !VerifyEach) {
Passes.add(createVerifierPass());
Passes.add(createDebugInfoVerifierPass());
}
// Write bitcode or assembly to the output as the last step...
if (!NoOutput && !AnalyzeOnly) {