================
@@ -172,28 +190,21 @@ RValue CIRGenFunction::emitBuiltinExpr(const GlobalDecl
&gd, unsigned builtinID,
builder.getUInt8Ty(), "bi_alloca", suitableAlignmentInBytes, size);
// Initialize the allocated buffer if required.
- if (builtinID != Builtin::BI__builtin_alloca_uninitialized) {
- // Initialize the alloca with the given size and alignment according to
- // the lang opts. Only the trivial non-initialization is supported for
- // now.
-
- switch (getLangOpts().getTrivialAutoVarInit()) {
- case LangOptions::TrivialAutoVarInitKind::Uninitialized:
- // Nothing to initialize.
- break;
- case LangOptions::TrivialAutoVarInitKind::Zero:
- case LangOptions::TrivialAutoVarInitKind::Pattern:
- cgm.errorNYI("trivial auto var init");
- break;
- }
- }
+ if (builtinID != Builtin::BI__builtin_alloca_uninitialized)
+ initializeAlloca(*this, allocaAddr, size, suitableAlignmentInBytes);
// An alloca will always return a pointer to the alloca (stack) address
// space. This address space need not be the same as the AST / Language
// default (e.g. in C / C++ auto vars are in the generic address space). At
// the AST level this is handled within CreateTempAlloca et al., but for
the
// builtin / dynamic alloca we have to handle it here.
assert(!cir::MissingFeatures::addressSpace());
+ cir::AddressSpace aas = getCIRAllocaAddressSpace();
+ cir::AddressSpace eas = cir::toCIRAddressSpace(
+ e->getType()->getPointeeType().getAddressSpace());
+ if (eas != aas) {
+ assert(false && "Non-default address space for alloca NYI");
----------------
andykaylor wrote:
OK. I'm fine with deferring it.
https://github.com/llvm/llvm-project/pull/161212
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