================
@@ -46,21 +52,124 @@ void CIRGenFunction::emitAutoVarAlloca(const VarDecl &d) {
address = createTempAlloca(allocaTy, alignment, loc, d.getName());
declare(address.getPointer(), &d, ty, getLoc(d.getSourceRange()), alignment);
+ emission.Addr = address;
setAddrOfLocalVar(&d, address);
+
+ return emission;
+}
+
+/// Determine whether the given initializer is trivial in the sense
+/// that it requires no code to be generated.
+bool CIRGenFunction::isTrivialInitializer(const Expr *init) {
+ if (!init)
+ return true;
+
+ if (const CXXConstructExpr *construct = dyn_cast<CXXConstructExpr>(init))
+ if (CXXConstructorDecl *constructor = construct->getConstructor())
+ if (constructor->isTrivial() && constructor->isDefaultConstructor() &&
+ !construct->requiresZeroInitialization())
+ return true;
+
+ return false;
}
-void CIRGenFunction::emitAutoVarInit(const clang::VarDecl &d) {
+void CIRGenFunction::emitAutoVarInit(
+ const CIRGenFunction::AutoVarEmission &emission) {
+ const VarDecl &d = *emission.Variable;
+
----------------
xlauko wrote:
Corresponding `CodeGenFunction::EmitAutoVarInit` has here:
```
// If this was emitted as a global constant, we're done.
if (emission.wasEmittedAsGlobal()) return;
```
is there any reason why this is not here for CIR?
https://github.com/llvm/llvm-project/pull/130164
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