================
@@ -4065,8 +4065,40 @@ void CodeGenModule::EmitGlobal(GlobalDecl GD) {
// If this is an alias definition (which otherwise looks like a declaration)
// emit it now.
- if (Global->hasAttr<AliasAttr>())
+ if (Global->hasAttr<AliasAttr>()) {
+ if (LangOpts.OpenMPIsTargetDevice || LangOpts.CUDA) {
+ const auto *AA = Global->getAttr<AliasAttr>();
+ assert(AA && "Not an alias?");
+ GlobalDecl AliaseeGD;
+ if (!lookupRepresentativeDecl(AA->getAliasee(), AliaseeGD)) {
+ if (LangOpts.CUDA)
+ // Failed to find aliasee on device side, skip emitting
----------------
Jason-VanBeusekom wrote:
`LangOpts.CUDA` is true for both HIP and CUDA cases for both host and device
compilation, this is not a hard error as this is triggered during host
compilation for a device only alias and during device compilation for a host
only alais
in
[16c1a68](https://github.com/llvm/llvm-project/pull/164326/commits/16c1a6888b87644f24c07a75c067d9e25eb1ac3e)
I refactored this and added comments to hopefully clear this up. I also added
a comment below going into depth about the various states in the refactor and
when they are triggered.
https://github.com/llvm/llvm-project/pull/164326
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