================
@@ -1759,20 +1759,29 @@ void
CodeGenFunction::emitZeroOrPatternForAutoVarInit(QualType type,
const VarDecl &D,
Address Loc) {
auto trivialAutoVarInit = getContext().getLangOpts().getTrivialAutoVarInit();
+ auto trivialAutoVarInitSizeBound =
+ getContext().getLangOpts().TrivialAutoVarInitSizeBound;
CharUnits Size = getContext().getTypeSizeInChars(type);
bool isVolatile = type.isVolatileQualified();
if (!Size.isZero()) {
+ auto allocSize =
CGM.getDataLayout().getTypeAllocSize(Loc.getElementType());
----------------
haopliu wrote:
`struct S {
long a;
long b;
char c;
}; S var;` The `var` size is 24 bytes. `emitStoresForConstant` splits the
constant store and emits several stores instead. Assume we set the max-size
flag to 16. If filter the size in `emitStoresForConstant`, this var will be
auto-initialized (each split store is less than 16) even though its size > 16.
Would it be confusing?
https://github.com/llvm/llvm-project/pull/74777
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