Small fixes and cleanups on CUDA/CPP codegen. (#2746)

* Small fixes and cleanups on CUDA/CPP codegen.

* Disable `legalizeEmptyTypes` for now.

---------

Co-authored-by: Yong He <yhe@nvidia.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/source/slang/slang-emit-c-like.cpp b/source/slang/slang-emit-c-like.cpp
index ebc312560..2bc739142 100644
--- a/source/slang/slang-emit-c-like.cpp
+++ b/source/slang/slang-emit-c-like.cpp
@@ -2407,6 +2407,17 @@ void CLikeSourceEmitter::_emitInst(IRInst* inst)
         {
             auto type = inst->getDataType();
             emitType(type, getName(inst));
+
+            // On targets that support empty initializers, we will emit it.
+            switch (this->getTarget())
+            {
+            case CodeGenTarget::CPPSource:
+            case CodeGenTarget::HostCPPSource:
+            case CodeGenTarget::PyTorchCppBinding:
+            case CodeGenTarget::CUDASource:
+                m_writer->emit(" = {}");
+                break;
+            }
             m_writer->emit(";\n");
         }
         break;