[ubsan] Add support for -fsanitize-blacklist
llvm-svn: 172808
diff --git a/clang/lib/CodeGen/CodeGenFunction.cpp b/clang/lib/CodeGen/CodeGenFunction.cpp
index 8ba1bf4..1fdcc6f 100644
--- a/clang/lib/CodeGen/CodeGenFunction.cpp
+++ b/clang/lib/CodeGen/CodeGenFunction.cpp
@@ -33,10 +33,11 @@
: CodeGenTypeCache(cgm), CGM(cgm),
Target(CGM.getContext().getTargetInfo()),
Builder(cgm.getModule().getContext()),
- SanitizePerformTypeCheck(CGM.getLangOpts().SanitizeNull |
- CGM.getLangOpts().SanitizeAlignment |
- CGM.getLangOpts().SanitizeObjectSize |
- CGM.getLangOpts().SanitizeVptr),
+ SanitizePerformTypeCheck(CGM.getSanOpts().Null |
+ CGM.getSanOpts().Alignment |
+ CGM.getSanOpts().ObjectSize |
+ CGM.getSanOpts().Vptr),
+ SanOpts(&CGM.getSanOpts()),
AutoreleaseResult(false), BlockInfo(0), BlockPointer(0),
LambdaThisCaptureField(0), NormalCleanupDest(0), NextCleanupDestIndex(1),
FirstBlockInfo(0), EHResumeBlock(0), ExceptionSlot(0), EHSelectorSlot(0),
@@ -347,6 +348,11 @@
CurFnInfo = &FnInfo;
assert(CurFn->isDeclaration() && "Function already has body?");
+ if (CGM.getSanitizerBlacklist().isIn(*Fn)) {
+ SanOpts = &SanitizerOptions::Disabled;
+ SanitizePerformTypeCheck = false;
+ }
+
// Pass inline keyword to optimizer if it appears explicitly on any
// declaration.
if (!CGM.getCodeGenOpts().NoInline)
@@ -558,7 +564,7 @@
// function call is used by the caller, the behavior is undefined.
if (getLangOpts().CPlusPlus && !FD->hasImplicitReturnZero() &&
!FD->getResultType()->isVoidType() && Builder.GetInsertBlock()) {
- if (getLangOpts().SanitizeReturn)
+ if (SanOpts->Return)
EmitCheck(Builder.getFalse(), "missing_return",
EmitCheckSourceLocation(FD->getLocation()),
ArrayRef<llvm::Value *>(), CRK_Unrecoverable);
@@ -1143,7 +1149,7 @@
// If the size is an expression that is not an integer constant
// expression [...] each time it is evaluated it shall have a value
// greater than zero.
- if (getLangOpts().SanitizeVLABound &&
+ if (SanOpts->VLABound &&
size->getType()->isSignedIntegerType()) {
llvm::Value *Zero = llvm::Constant::getNullValue(Size->getType());
llvm::Constant *StaticArgs[] = {