[asan] better debug diagnostics in asan compiler module
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166102 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Instrumentation/AddressSanitizer.cpp b/lib/Transforms/Instrumentation/AddressSanitizer.cpp
index b566994..75f42f3 100644
--- a/lib/Transforms/Instrumentation/AddressSanitizer.cpp
+++ b/lib/Transforms/Instrumentation/AddressSanitizer.cpp
@@ -534,7 +534,7 @@
bool AddressSanitizer::ShouldInstrumentGlobal(GlobalVariable *G) {
Type *Ty = cast<PointerType>(G->getType())->getElementType();
- DEBUG(dbgs() << "GLOBAL: " << *G);
+ DEBUG(dbgs() << "GLOBAL: " << *G << "\n");
if (BL->isIn(*G)) return false;
if (!Ty->isSized()) return false;
@@ -682,7 +682,7 @@
FirstDynamic = LastDynamic;
}
- DEBUG(dbgs() << "NEW GLOBAL:\n" << *NewGlobal);
+ DEBUG(dbgs() << "NEW GLOBAL: " << *NewGlobal << "\n");
}
ArrayType *ArrayOfGlobalStructTy = ArrayType::get(GlobalStructTy, n);
@@ -851,6 +851,7 @@
bool AddressSanitizer::runOnFunction(Function &F) {
if (BL->isIn(F)) return false;
if (&F == AsanCtorFunction) return false;
+ DEBUG(dbgs() << "ASAN instrumenting:\n" << F << "\n");
// If needed, insert __asan_init before checking for AddressSafety attr.
maybeInsertAsanInitAtFunctionEntry(F);
@@ -914,8 +915,6 @@
NumInstrumented++;
}
- DEBUG(dbgs() << F);
-
bool ChangedStack = poisonStackInFunction(F);
// We must unpoison the stack before every NoReturn call (throw, _exit, etc).
@@ -925,6 +924,7 @@
IRBuilder<> IRB(CI);
IRB.CreateCall(AsanHandleNoReturnFunc);
}
+ DEBUG(dbgs() << "ASAN done instrumenting:\n" << F << "\n");
return NumInstrumented > 0 || ChangedStack || !NoReturnCalls.empty();
}