TRE: Move class into anonymous namespace.
While there shrink a dangerously large SmallPtrSet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187050 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/TailRecursionElimination.cpp b/lib/Transforms/Scalar/TailRecursionElimination.cpp
index 9de1388..9fb8ddc 100644
--- a/lib/Transforms/Scalar/TailRecursionElimination.cpp
+++ b/lib/Transforms/Scalar/TailRecursionElimination.cpp
@@ -145,19 +145,20 @@
isa<ConstantInt>(AI->getArraySize());
}
+namespace {
struct AllocaCaptureTracker : public CaptureTracker {
AllocaCaptureTracker() : Captured(false) {}
- void tooManyUses() { Captured = true; }
+ void tooManyUses() LLVM_OVERRIDE { Captured = true; }
- bool shouldExplore(Use *U) {
+ bool shouldExplore(Use *U) LLVM_OVERRIDE {
Value *V = U->getUser();
if (isa<CallInst>(V) || isa<InvokeInst>(V))
UsesAlloca.insert(V);
return true;
}
- bool captured(Use *U) {
+ bool captured(Use *U) LLVM_OVERRIDE {
if (isa<ReturnInst>(U->getUser()))
return false;
Captured = true;
@@ -165,8 +166,9 @@
}
bool Captured;
- SmallPtrSet<const Value *, 64> UsesAlloca;
+ SmallPtrSet<const Value *, 16> UsesAlloca;
};
+} // end anonymous namespace
bool TailCallElim::runOnFunction(Function &F) {
// If this function is a varargs function, we won't be able to PHI the args