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Apply Takumi's patch to suppress unused-variable warnings in -Asserts builds.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168911 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Beaumont-Gay 2012-11-29 18:15:49 +00:00
parent ee548275c6
commit cb5d04a904
1 changed files with 7 additions and 2 deletions
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9
lib/Transforms/Instrumentation/MemorySanitizer.cpp
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@ -601,6 +601,7 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
Value *Shadow = ShadowMap[V];
if (!Shadow) {
DEBUG(dbgs() << "No shadow: " << *V << "\n" << *(I->getParent()));
(void)I;
assert(Shadow && "No shadow for a value");
}
return Shadow;
@ -608,6 +609,7 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
if (UndefValue *U = dyn_cast<UndefValue>(V)) {
Value *AllOnes = getPoisonedShadow(getShadowTy(V));
DEBUG(dbgs() << "Undef: " << *U << " ==> " << *AllOnes << "\n");
(void)U;
return AllOnes;
}
if (Argument *A = dyn_cast<Argument>(V)) {
@ -636,6 +638,7 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
getShadowPtr(V, EntryIRB.getInt8Ty(), EntryIRB),
Base, Size, AI->getParamAlignment());
DEBUG(dbgs() << " ByValCpy: " << *Cpy << "\n");
(void)Cpy;
*ShadowPtr = getCleanShadow(V);
} else {
*ShadowPtr = EntryIRB.CreateLoad(Base);
@ -689,9 +692,11 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
if (!InsertChecks) return;
Instruction *Shadow = dyn_cast_or_null<Instruction>(getShadow(Val));
if (!Shadow) return;
#ifndef NDEBUG
Type *ShadowTy = Shadow->getType();
assert((isa<IntegerType>(ShadowTy) || isa<VectorType>(ShadowTy)) &&
"Can only insert checks for integer and vector shadow types");
#endif
Instruction *Origin = dyn_cast_or_null<Instruction>(getOrigin(Val));
InstrumentationList.push_back(
ShadowOriginAndInsertPoint(Shadow, Origin, OrigIns));
@ -704,8 +709,7 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
/// Loads the corresponding shadow and (optionally) origin.
/// Optionally, checks that the load address is fully defined.
void visitLoadInst(LoadInst &I) {
Type *LoadTy = I.getType();
assert(LoadTy->isSized() && "Load type must have size");
assert(I.getType()->isSized() && "Load type must have size");
IRBuilder<> IRB(&I);
Type *ShadowTy = getShadowTy(&I);
Value *Addr = I.getPointerOperand();
@ -733,6 +737,7 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
StoreInst *NewSI = IRB.CreateAlignedStore(Shadow, ShadowPtr, I.getAlignment());
DEBUG(dbgs() << " STORE: " << *NewSI << "\n");
(void)NewSI;
// If the store is volatile, add a check.
if (I.isVolatile())
insertCheck(Val, &I);