Fix warning from r332654 with LLVM_ATTRIBUTE_USED
r332654 tried to fix an unused function warning with
a void cast. This approach worked for clang and gcc
but not for MSVC. This commit replaces the void cast
with the LLVM_ATTRIBUTE_USED approach.
llvm-svn: 332910
diff --git a/llvm/lib/Transforms/Vectorize/VPlanVerifier.cpp b/llvm/lib/Transforms/Vectorize/VPlanVerifier.cpp
index f8e8f75..59a11f2 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanVerifier.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanVerifier.cpp
@@ -26,7 +26,8 @@
/// Utility function that checks whether \p VPBlockVec has duplicate
/// VPBlockBases.
-static bool hasDuplicates(const SmallVectorImpl<VPBlockBase *> &VPBlockVec) {
+LLVM_ATTRIBUTE_USED static bool
+hasDuplicates(const SmallVectorImpl<VPBlockBase *> &VPBlockVec) {
SmallDenseSet<const VPBlockBase *, 8> VPBlockSet;
for (const auto *Block : VPBlockVec) {
if (VPBlockSet.count(Block))
@@ -52,7 +53,6 @@
// TODO: This won't work for switch statements.
assert(!hasDuplicates(Successors) &&
"Multiple instances of the same successor.");
- (void)hasDuplicates;
for (const VPBlockBase *Succ : Successors) {
// There must be a bi-directional link between block and successor.