================
@@ -2097,6 +2092,53 @@ CGDebugInfo::CreateRecordStaticField(const VarDecl *Var,
llvm::DIType *RecordTy,
C = llvm::ConstantInt::get(CGM.getLLVMContext(), Value->getInt());
if (Value->isFloat())
C = llvm::ConstantFP::get(CGM.getLLVMContext(), Value->getFloat());
+ if (Value->isArray()) {
+ // Handle constexpr array constants for debug info
+ // We handle arrays of integer types (char, short, int, long),
+ // which covers the most common and useful cases.
+ if (const auto *ArrayTy =
+ CGM.getContext().getAsArrayType(Var->getType())) {
+ QualType ElemQTy = ArrayTy->getElementType();
+ if (ElemQTy->isIntegerType()) {
+ unsigned ElemBitWidth = CGM.getContext().getTypeSize(ElemQTy);
+ unsigned NumElts = Value->getArraySize();
+ unsigned NumInits = Value->getArrayInitializedElts();
+ SmallVector<uint64_t, 64> Vals;
----------------
phyBrackets wrote:
With the refactored version (preallocating with filler), there's no separate
reserve call anymore, the SmallVector is constructed directly with NumElts
elements. The inline size of 64 avoids heap allocation for the common case of
small arrays.
https://github.com/llvm/llvm-project/pull/182442
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